EXHIBIT 4

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morningtrans.com

QUESTEL CONFIDENTIAL

4001 S 700 East, Suite 500 #B17

Salt Lake City, UT 84107

TRANSLATION CERTIFICATION

Date: October 16, 2024

To whom it may concern:

This is to certify that the attached translation is an accurate representation of the documents received by 

this office. The translation was completed from:

• German

• French

• Italian

To:

• English (USA)

The documents are designated as:

• CH91113

Emily Paras, Project Manager in this company, attests to the following:

“To the best of my knowledge, the aforementioned documents are a true, full and accurate translation of 

the specified documents.”

Signature of Emily Paras

Case 2:24-cv-00080-JRG Document 57-5 Filed 10/17/24 Page 31 of 60 PageID #: 1240
Swiss Confederation

Confédération suisse

Confederazione Svizzera

Confederaziun svizra

Federal Institute of Intellectual Property

Institut Fédéral de la Propriété Intellectuelle

Istituto Federale della Proprietà Intellettuale

Institut Federai da Proprietad Intellectuala

PCT/CH 2014/000059

Attestation

The enclosed files match the original technical documents of the patent application 

specified on the next page for Switzerland and Liechtenstein. Switzerland and the 

Principality of Liechtenstein form a unified protection territory. Therefore, protection 

can only be requested for both countries together.

Attestation

The enclosed files match the original technical documents of the patent application 

specified on the next page for Switzerland and Liechtenstein. Switzerland and the 

Principality of Liechtenstein form a unified protection territory. Therefore, protection 

can only be requested for both countries together.

Attestation

The enclosed files match the original technical documents of the patent application 

specified on the next page for Switzerland and Liechtenstein. Switzerland and the 

Principality of Liechtenstein form a unified protection territory. Therefore, protection 

can only be requested for both countries together.

.

Bern, May 5, 2014

Patent Administration

[signature]

Cristiani, Jean-Claude

[stamp: Federal Institute of Intellectual Property]

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1/2

Certificate of Filing for Patent Application No. 00911/13 (Article 46b(1) of the Patent Regulation)

The Swiss Federal Institute of Intellectual Property certifies the receipt of the Swiss patent application 

specified below.

Title:

Mobile strapping device with a display element.

Patent applicant:

ILLINOIS TOOL WORKS INC.

3600 West Lake Avenue Glenview

Illinois 60026

United States of America

Representative:

Patent Attorneys Klein & Klein

Grienbachstrasse 17

6300 Zug

Filing date: May 5, 2013

Expected classes: B65B

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Mobile strapping device with a display element

The invention relates to a mobile strapping device for strapping packaged goods with a 

strapping band. The device includes a tensioning mechanism for applying tension to a 

loop of the strapping band and a welding mechanism for producing a welded 

connection, particularly a friction or vibration weld, at two overlapping areas of the 

strapping band loop. The device also features a rechargeable energy storage unit for 

storing electrical energy, which is used as the driving energy for the motorized 

movements of the strapping device. The device further comprises a housing with a 

front cover for the tensioning mechanism and a rear housing section, preferably 

intended to hold the energy storage unit, and a handle for operating the strapping 

device, located between the front and rear housing sections.

Such strapping devices include a tensioning mechanism that applies sufficient tension 

to a band loop placed around the packaged goods. Using a clamping mechanism, the 

band loop can then be secured to the package for the subsequent joining process. In 

conventional strapping devices, the joining process is carried out using a vibration 

welding mechanism, particularly a friction welding mechanism. In this process, a 

friction shoe that oscillates is pressed onto the band at the two ends of the band loop. 

The pressure and the heat generated by the oscillating movement of the band sections 

melt the typically plastic band locally for a short time. This creates a permanent bond 

between the two layers of the band, which can only be undone with considerable force.

Conventional strapping devices are designed for mobile use, where the devices are 

transported by a user to the site of use and typically do not rely on external energy 

sources. The energy required for such strapping devices to tension a band around any 

packaged goods and to create the closure is usually provided by an electric 

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accumulator or compressed air in prior known devices. This energy is used to apply 

tension to the band through the tensioning mechanism and to produce a closure on the 

strapping band. Conventional strapping devices and thus also strapping devices 

according to the invention are also intended solely for connecting weldable plastic 

bands.

For mobile devices, a low weight is of particular importance to minimize the physical 

strain on users during operation. From an ergonomic perspective, an even distribution 

of weight across the entire strapping device is desirable, especially to avoid 

concentrating weight in the head area of the device, which would result in poor 

handling characteristics. Additionally, the device should be as ergonomic and userfriendly as possible. The likelihood of operational errors and malfunctions should be 

minimized, and information about the device's operating status should be visible to the 

user.

To meet these requirements, it has become common to equip mobile strapping 

devices with a handle for carrying and operating the device, especially during 

strapping operations. Typically, the handle is located between the front and rear ends 

of the strapping device, with the front end housing at least one or more functional 

units, such as the tensioning mechanism for applying band tension, the closure 

mechanism for joining the band ends, and the cutting mechanism for separating the 

strapping band from a supply roll. The control and display elements of the strapping 

device, usually in the form of buttons, possibly membrane buttons, and LED displays, 

are generally placed in the front housing section, which partially or fully covers these 

functional units.

At the other end of the handle, i.e., at the rear end of the strapping device, many 

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known strapping devices have a compartment for an accumulator. While this design of 

mobile strapping devices allows for good handling characteristics and an acceptable 

balanced weight distribution, it may not be fully satisfactory, especially from an 

ergonomic standpoint.

However, this arrangement has the drawback that the extensive and space-consuming 

mechanics located in the front housing section of the strapping device significantly 

restrict the choice of placement for control buttons, display elements, and the 

associated electronics and wiring. The restriction is particularly relevant when an 

ergonomically optimal position is not possible unless the housing is considerably 

enlarged to accommodate these elements.

The objective of the invention is therefore to provide a conventional strapping device 

with improved ergonomic properties.

This objective is achieved in a mobile strapping device of the aforementioned type by 

arranging a display element for showing operational information in the rear housing 

section of the strapping device. The arrangement of the display element, preferably for 

displaying only operational states of the strapping device, offers ergonomic 

advantages by reducing the head-heaviness often found in such devices. This is 

because the display unit and its weight are shifted from the front head section of the 

strapping device to the rear housing section. By relocating the display element, the 

weight of the front section of the strapping device is not only reduced by the weight of 

the display element, but weight is also shifted to the rear section, further reducing the 

head-heaviness.

Another advantage of this measure according to the invention is that the risk of 

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damage to the display element is significantly reduced. In a front housing section 

arrangement, as was previously the case, the display element and the associated 

electronics are at significant risk of damage in the event of a fall, which often occurs 

with mobile strapping devices. By placing the display element in the rear section of the 

strapping device, where, due to the typical and almost unavoidable head-heaviness of 

the device, it usually does not hit the ground first during a fall, the risk of damage to the 

sensitive display elements is significantly reduced compared to conventional 

arrangements. In the event of a fall, the load on the rear section of the strapping 

device is much lower due to the usual head-first impact on the ground, which is why 

the measure according to the invention significantly reduces the risk of damage to the 

display elements.

Moreover, the arrangement according to the invention simplifies the assembly of 

strapping devices according to the invention, as both the display element, including 

any required electronics, and the control board for the device's control system, as well 

as the connections for the accumulator, can be placed in close proximity to one 

another in the rear housing section. On the one hand, these components can be 

designed as a module that can be installed with little effort and, in the event of repair, 

can be easily removed and replaced. On the other hand, the previously required wiring 

of long cables within the strapping device to connect these components can be 

eliminated. This reduces both the design complexity and the assembly effort for 

strapping devices according to the invention. Additionally, this arrangement facilitates 

assembly since, unlike the front housing section, the display element in the rear 

housing section does not interfere with the device's mechanics. Furthermore, the 

display element can be positioned almost anywhere in the rear housing section, as 

ergonomically desired, since it generally does not need to accommodate the strapping 

device's mechanics.

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The display element can be positioned anywhere in the rear housing section, behind 

the handle. It can be placed on the side of the rear housing section, but it is especially 

preferred that the display element be located on the upper side of the rear housing 

section. This ergonomically favorable placement ensures that the display element is 

easily viewable by the user at any time, even during strapping operations around 

packaged goods. In this context, the "upper side" of the rear housing section refers to 

the surface visible from above when the strapping device is placed flat. The surface 

may be a horizontally oriented surface, one or more surfaces inclined with respect to a 

horizontal plane, or one or more surfaces provided with one or more curvatures.

The display element can advantageously be designed as a combined control and 

display panel. It may extend over a specific area of the rear housing section, where 

both information is displayed and settings and/or specific actions can be triggered 

through input elements located there. The control and display panel may particularly 

take the form of an LCD screen, combined with fixed-position buttons, which are 

preferably all located within a specific section of the rear housing section. With at least 

one of the buttons, the user can navigate a menu displayed on the screen, input 

settings, and select and possibly trigger functions or actions of the strapping device.

One of a plurality of different preferred possible solutions according to the invention 

involves a control and display panel that includes a touchscreen and is designed 

entirely as such. The touchscreen can extend over a specific, particularly contiguous 

area, where different information and control and/or input elements can be displayed at 

least temporarily. As control elements, the touchscreen's surface areas can be used, 

where touching these areas triggers functions of the strapping device directly or 

indirectly. Input elements can be understood as surface areas that can be used for 

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inputting values or selecting settings, such as "on/off," "large/small," or any other 

required input. In the context of the invention, a touchscreen can thus be understood 

as an input and display device, where touching a designated surface area triggers 

inputs that either effect inputs for controlling the strapping device and/or initiate 

functions of the strapping device. Inputs can be made in particular by touching the 

screen with a finger.

A touchscreen, unlike membrane keyboards, allows certain surface areas to be 

assigned functions either in a predetermined manner or through programming. This 

makes it possible to assign different functions to certain areas one after the other, 

allowing for particularly efficient use of the available space and for easy addition of 

new functions or settings. The latter can be achieved, for example, by installing 

software updates to the control system of the strapping device.

According to another aspect of the invention, which also has independent significance, 

the mobile strapping device, particularly as described in the preamble of claim 1, can 

be equipped with a modular unit that includes the display and control unit, as well as at 

least parts of the strapping device's control system. This modular unit can preferably 

include all the electronics of the strapping device. Since such a modular unit can be 

pre-assembled, installing the display and control unit, as well as the control system 

into the strapping device, is particularly simple and quick. Another significant 

advantage is that, in the event of a defect, the defective modular unit can be quickly 

and easily replaced with a new one. Since the modular unit is preferably located in the 

rear housing section, the mechanics of the strapping device, usually located in the 

front housing section, do not interfere with these maintenance procedures.

Further preferred embodiments of the invention result from the claims, the description, 

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and the drawings.

The invention is explained in more detail using purely schematic exemplary 

embodiments shown in the figures:

FIG. 1 A side view of a mobile strapping device according to the invention;

FIG. 2 A top view of the strapping device from FIG. 1 with an inserted 

strapping band;

FIG. 3 The strapping device according to the invention with the housing 

removed;

FIG. 4 The control and display panel of the strapping device from FIGS. 1 and 

2;

FIG. 5 A perspective view of a rear housing section with a modular unit for the 

control and display device, intended for installation in the housing;

FIG. 6 A view according to FIG. 5, with the modular unit inserted into the 

housing and an accumulator designed for insertion into the housing.

The mobile strapping device 1 (strapping device) according to the invention shown in 

FIGS. 1, 2, and 3, which is exclusively hand-operated, features a housing 2 that 

surrounds the device's mechanics, with a handle 3 integrated for the operation of the 

device. The strapping device is further equipped with a base plate 4, on the underside 

of which a base surface 5 is provided for positioning on an item to be strapped. All the 

functional units of the strapping device 1 are attached to the base plate 4 and to a 

carrier (not shown in detail) connected to the base plate.

With the strapping device 1, a loop of a plastic band 10, not shown in detail in FIG. 1, 

made for instance of polypropylene (PP) or polyester (PET), previously placed around 

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the item to be strapped, can be tensioned using the tensioning mechanism 6 of the 

device. The tensioning mechanism 6, a component of the strapping device, includes a 

tensioning wheel 7, which grips the band 10 during the tensioning process. In the 

depicted embodiment, the tensioning wheel 7 interacts with a rocker 8, which can be 

pivoted by a rocker button 9 from an end position distanced from the tensioning wheel 

into a second end position around a rocker pivot axis 8a, where the rocker 8 rests 

against the tensioning wheel 7. The band 10, located between the tensioning wheel 7 

and the rocker 8, also rests against the tensioning wheel 7 in this position. By rotating 

the tensioning wheel 7, it is then possible to press the band against the tensioning 

wheel 7 and generate a retraction movement of the band through the rotation of the 

tensioning wheel 7, which allows the loop of the band to be provided with a sufficiently 

high tension for packaging purposes.

Subsequently, at a point in the band loop where two layers of the band 10 overlap, a 

welding of the two layers can be carried out using the sealing device, which is 

designed as the friction welding mechanism 13 of the strapping device. This 

permanently seals the band loop. The friction welding mechanism 13 is equipped with 

a welding shoe 11 that applies mechanical pressure to the strapping band, while 

simultaneously oscillating at a predetermined frequency to melt the two layers of the 

strapping band 10. The plasticized or melted areas of the two band layers flow into 

each other, and after the band 10 cools during a cooling period, a bond is formed 

between the two layers of the band. If necessary, the band loop can then 

simultaneously be cut from a supply roll (not shown) of the band 10 using a cutting 

mechanism 12 of the strapping device 1. Afterward, the strapping device 1 can be 

removed from the strapped item.

The operation of the tensioning mechanism 6, the engagement of the friction welding 

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mechanism 13 via a delivery mechanism for the friction welding mechanism 13, as well 

as the operation of the welding mechanism and the cutting mechanism, are powered 

by a single electric motor 14, which provides the driving movement for each 

component. The structural solution provided for this purpose may correspond to that 

described in WO2009/129634 A1, the disclosure of which is incorporated here by 

reference. The strapping device is powered by a replaceable and rechargeable 

accumulator 15. External auxiliary power sources, such as compressed air or 

additional electricity, are not required for the strapping device as shown in FIGS. 1-3.

The portable mobile strapping device 1 is equipped with a pressure-switch operating 

element 16, which is intended to activate the motor and is referred to as the tension 

button. For this operating element 16, three modes can be set using the mode switch 

17 (FIG. 4) on the control and display panel 25 of this embodiment according to the 

invention. In the first mode, both the tensioning mechanism 6 and the friction welding 

mechanism 13 are automatically triggered in sequence by pressing the operating 

element 16, with no further user actions required. To select the second mode, switch 

17 is set to a second switch mode. The switching state of switch 17, as well as the 

switching state of the operating element 16, is displayed on the control panel. In the 

second mode, pressing the tension button 16 only triggers the tensioning mechanism 

6. The friction welding mechanism 13 must be separately triggered by pressing the 

tension button 16 a second time. The third mode is a semi-automatic mode, where the 

tension button 16 must be held down until the pre-set tension force or pull tension in 

the band is reached. In this mode, the tensioning process can be paused by releasing 

the tension button 16, for instance, to insert corner protectors under the strapping band 

on the item. Pressing the tension button 16 again will resume the tensioning process. 

This third mode can be combined with either a separately triggered or an automatically 

following friction welding process. The power supply is ensured by the accumulator 15, 

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which is designed as a lithium-ion battery.

During the closure process, after the band loop is placed around the item, the band is 

fed single-layered through the tensioning mechanism 6 and double-layered through 

the welding mechanism. The required band tension is applied by the tensioning 

mechanism 6 gripping the upper layer of the band guided by the tensioning 

mechanism 6 and retracting the band. The welding shoe 11 is then lowered toward the 

counterholding surface 22 of the base plate 4. Depending on the operating mode 

selected for the strapping device 1, this happens either automatically after the 

tensioning process is complete, or by separately triggering the welding process via a 

designated button. During the friction welding process, the band remains clamped 

between the tensioning wheel 7 and the counterholder 23 and is held there during the 

welding. During this phase of the strapping process, the tensioning mechanism 

functions as a band clamp or clamping mechanism, in which two interacting clamping 

elements hold the band between them. By lowering the welding shoe 11, the two band 

layers pressed together by the welding mechanism are also pressed against the 

counterholding surface 22.

In the welding mechanism, the band is arranged in two layers, with the lower band 

layer resting against the inclined counterholding surface 22 and being pressed against 

it. The upper surface of the lower band layer touches the underside of the upper band 

layer, and the welding shoe 11 presses on the top surface of the upper band layer. In 

this position, the friction welding mechanism 13 begins forming the closure by 

oscillating the welding shoe 11 transversely to the length of the band. This melts the 

two adjacent band layers. The materials of the band layers flow together and form a 

material bond as they cool, after the oscillation of the welding shoe stops. The welding 

shoe 11 is then moved away from the counterholding surface 22, and the tensioning 

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mechanism 6 is released from the band, freeing the two band layers.

The strapping device according to the invention is equipped with a control and display 

panel 25, which can also be designed as a touchscreen. The touchscreen may be a 

resistive or capacitive touch-sensitive screen (display), though any other type of 

touchscreen may also be used. In the depicted embodiment, the touchscreen features 

a rectangular display and control surface 25a. Such touchscreens are offered by 

companies such as Ad Metro, 1181 Parisien Street, Ottawa, Ontario, Canada K1B 

4W4, which are available in Germany from Interelectronix e.K., Ottostrasse 1, 85649 

Hofolding.

In other embodiments, the display and control unit may include conventional switch 

buttons or other control elements, especially membrane buttons or other buttons with a 

fixed, unchangeable position, where the switching state of the button is triggered not 

only by touch but also by mechanical pressure. Information about the status of the 

strapping device can also be displayed in such alternative embodiments using 

conventional display devices, such as LCD or TFT displays, without control elements 

integrated into the display surface.

Although the depiction in FIG. 4 shows a rectangular touchscreen with three control 

elements 17-19 at the lower front side, this could also represent an LCD display with 

three button-shaped control elements 17-19 adjacent to its lower front side outside the 

display surface. Naturally, these buttons could also be placed elsewhere, particularly 

at another location adjacent to the display surface. Similarly, as with a touchscreen, 

the number of control elements 17-19, and their associated functions, could be 

different from what is shown. In this case, the LCD display would be smaller than the 

touchscreen shown, by the area 25a', where the physically fixed buttons are located. 

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The following explanations apply both to the actual embodiment shown and to an 

embodiment with an LCD display surface or another display surface without control 

functions, to which separate control elements are assigned.

The display and control surface 25a can alternately or simultaneously display different 

information and touch-sensitive control or input elements. Different display and input 

levels can be provided, which can be selected or deselected, each showing different 

information, as well as control and input elements. The displayed elements can 

provide information about the status and settings of the strapping device and its 

components. The operating elements may include several touch-sensitive buttons 17-

19. These buttons allow the pre-selection and adjustment of the previously described 

modes—Manual (MAN), Semi-Automatic (SEM), and Automatic (AUTO)—and the 

parameters of the strapping processes. Adjustable and displayed parameters may 

include the tension force, welding time, and cooling time. Adjustments can be made by 

increasing or decreasing the respective value in preset steps by pressing the plus or 

minus buttons 18, 19, and confirming the set value using the mode switch 17, which 

acts as a confirmation button in this case. Pressing the mode switch 17 saves the set 

value in the control system for use in the subsequent strapping operation. The type of 

band used can also be displayed and selected from a preset list of band types 26. 

Furthermore, current operating states can be displayed, such as the battery discharge 

level 27, and during the tensioning process, a progress bar 28 can show the proportion 

of the already achieved tension force relative to the set target tension force.

The preset values are displayed on the control panel 32 and remain in use during the 

strapping processes until the parameter values are changed again. The strapping 

processes themselves are initiated or started by pressing the tension button 16, 

ergonomically placed at the front end of the handle of the strapping device 1, as a 

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further operating element. To insert the band into the tensioning mechanism, a rocker 

button 20, preferably designed as a push button, is located below the tension button 

16. Pressing the rocker button 20 opens the rocker 8, meaning the rocker swings away 

from the tensioning wheel 7 with its tension plate 23, creating a gap between the 

tension plate 23 and the tensioning wheel 7. As long as the rocker button 20 is 

pressed, the tension plate 23 remains separated from the tensioning wheel 7, allowing 

the band to be inserted into the tensioning mechanism between the tension plate 23 

and the tensioning wheel 7. When the rocker button 20 is released, the rocker 8 

swings the tension plate 23 back toward the tensioning wheel 7, so that the tension 

plate 23 presses against the underside of the band, and the top of the band presses 

against the tensioning wheel 7.

When the strapping device 1 is held by the handle 3, the tension button 16 can be 

operated with the thumb of the hand holding the handle 3. The rocker button 20, 

located on the underside of the handle 3, can be ergonomically pressed with the index 

finger, without requiring a change of grip. In other embodiments according to the 

invention, the rocker button 20 can be located on the upper side of the strapping 

device, particularly near the tension button 16, so that both the tension button 16 and 

the rocker button 20 can be operated by the thumb of the hand holding the handle 3. 

The tension button 16 can be used to trigger both the tensioning and welding 

processes, and depending on the mode setting, a single press of the tension button 

can trigger both the tensioning and subsequent welding process. In another mode, 

pressing the tension button once may only initiate the tensioning process, and a 

second press of the tension button would then be required to perform the welding 

process.

In an alternative embodiment of this invention, a combination button can be provided 

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on the strapping device, particularly in the area of the handle, which has two activation 

areas: one for tensioning and welding, and another for operating the rocker. In this 

case, the tensioning and welding process can either be triggered by a single operation 

or by separate, consecutive operations of one activation area. The tensioning process 

can be initiated by a single press, and the connection process can be triggered by 

multiple subsequent presses, particularly by a double-click. The other activation area is 

intended for operating the rocker. Such a combination button could be located 

approximately where the tension button 16 is placed in FIGS. 1 and 2.

In another alternative embodiment, particularly in the area of the handle 3, separate 

buttons could be provided for each of the three functions. In this case, triggering each 

respective process would only require a single press of the corresponding button.

In all embodiments, it is preferred that the buttons for the tensioning and welding 

processes initiate electrical switching actions, which are then relayed to the control 

system. The operation of the rocker button can, however, be preferably transmitted to 

the rocker electromechanically, triggering the rocker's swiveling motion. One or more 

additional actuating elements may also be provided to trigger and carry out the 

rocker's swiveling motion, which can be electrically controlled.

All versions of the described control concepts can also have independent significance 

and represent separate inventions.

Below the display, in particular directly below the display and above the battery, the 

electronics controlling the strapping device can be placed, which could be designed in 

the form of an electronic circuit board. Due to the proximity of the display and control 

unit to the control system and the battery 15, fewer cables are required compared to 

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previously known solutions. Where cables are necessary, shorter cables are required 

for wiring the strapping device. This measure also makes assembly simpler and faster.

In a further preferred development of the invention, as shown in FIGS. 5 and 6, the 

display and control unit can also be designed as a modular unit 29, along with the 

control system or the corresponding electronic circuit board, which significantly 

simplifies both assembly and any necessary repairs. The electronic circuit board, or 

print, may, in a preferred further development of the invention, also include the power 

electronics for the preferably single electric motor. This modular unit 29 can be 

inserted into a designated slot in the rear housing section 37 and secured with a few 

screws. Electrical contact for power supply and data transfer between the strapping 

device and the modular unit can be made via a connector 30, which is mounted to the 

housing and onto which the modular unit is slid. Directly below the modular unit, a slot 

for the battery 15 is provided in the housing, allowing the battery to be inserted from 

the rear and securely fastened using a detachable snap connection. Within the recess, 

additional electrical contacts for connecting the battery are located.

The housing 2 of the strapping device 1 shown in the figures features a front section 

and a rear section, between which there is a middle housing section 38 with a handle 

3. The handle 3 connects the front section and the rear sections 36, 37 of the housing 

2 to each other. In the preferred embodiment, the housing consists of two connected 

shells, preferably made of plastic. The separation line or separation plane, where the 

two halves of the shell are joined and connected to each other by suitable fastening 

means such as screws, can preferably extend over the entire length of the strapping 

device and also run through the handle 3 along its entire length.

The front section 36 of the housing 2 encloses the tensioning, friction welding, and 

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cutting mechanisms in such a way that only those mechanical parts of the strapping 

device that the user needs to access are exposed or uncovered, particularly the parts 

involved in engaging the two layers of the band during the strapping process. On one 

side of the front section of the housing 2, an opening with a removable cover 39 is 

provided, which can be used for maintenance purposes, such as replacing worn-out 

parts.

The rear section 37 of the housing 2 is designed in a highly simplified cuboid shape. 

The handle 3 connects to the upper side 37a of the rear section 37 of the housing 2 at 

its rear end or merges into it. The "upper side" 37a refers to the side visible from above 

when the strapping device is placed on a horizontal surface with its base plate 4. At 

the rear side of the housing's rear section, an opening is provided, the cross-section of 

which corresponds roughly to that of the battery 15.

The handle 3, primarily located along the upper section of the strapping device, 

merges at its front end 3a into the front section of the housing, particularly into the 

upper side of the front section 36. Conversely, the front housing section 36 merges 

into the handle 3. The rear end 3b of the handle 3 connects to the rear section 37 of 

the housing 2, specifically to the upper side 37a of the rear housing section 37. In the 

preferred embodiment, each half of the handle 3 is integrally connected to the 

corresponding shell of the housing. The respective half of the handle is integrally 

connected to or integrated into the respective housing shell.

The strapping device 1, especially in the area of the tensioning mechanism 6 and the 

welding or friction welding mechanism 13, includes known band-guiding elements that 

define a mostly predetermined path for the strapping band 10 inside the strapping 

device, particularly in the section of the band between the tensioning mechanism and 

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the welding mechanism 13. This path, particularly a straight central axis 10a along the 

upper side of the band 10, is used as a reference line and aid for defining the 

orientation of the handle 3. In a top view, this band alignment follows a straight line.

When connecting the transition areas of the handle 3 to the front section 36 and the 

rear section 37 of the housing by a straight line 40, this line 40 does not run parallel to 

the central axis 10a of the band path within the strapping device 1. The transition 

areas can be understood as the points where the surface areas of the upper sides of 

the front and rear housing sections 36, 37 change direction as they merge into the 

handle. These transitions can be designed as either continuous or discontinuous. The 

two points 41, 42 used to form the imaginary line 40 can be located in the middle of the 

width of the handle 3 in a top view. With respect to the line 10a resulting from the band 

path, the two points 41 and 42 have different distances from the line 10a, and are thus 

offset relative to each other in the direction of the band path. In relation to a top view of 

the strapping device and with respect to the band path resulting from the arrangement 

of the band in the strapping device, the lines 10a and 40 are non-parallel to each other 

and form an angle φ that differs from 0°.

The angle φ is further characterized by the fact that the line 40 determining it is located 

on the opposite side 31 of the central axis 10a, in relation to the band 10 and its 

central axis, from the insertion side 32, where the band is fed into the strapping device. 

Thus, the handle 3 is positioned relative to the band 10 on the opposite side 31 from 

the insertion side 32. The distance between the line 40 and the central axis of the band 

increases along the length of the handle 3, from the front housing section 36 to the 

rear housing section 37.

In preferred embodiments of the invention, this angle φ can be selected from a range 

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of 3° to 89°, preferably from a range of 8° to 70°, and, in contrast, more preferably from 

a range of 10° to 35°. As can be seen in the lower top view illustration of FIG. 1, the 

slanted handle results in the rear housing section 37 being offset away from the 

strapping band 10, so that the rear housing section 37 does not interfere with inserting 

the strapping band into the strapping device. This reduces the preparation time for the 

strapping process and improves the functional safety of the strapping device.

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List of reference signs

1 Strapping device 22 Counterholding surface

2 Housing 23 Tensioning counterholder

3 Handle 25 Control and display panel

3a Front end 25a Display and control surface

3b Rear end 25a' Partial surface

4 Base plate 26 List of band types

5 Base surface 27 Discharge status

6 Tensioning mechanism 28 Progress bar

7 Tensioning wheel 29 Modular unit

8 Rocker 30 Connector

8a Rocker pivot axis 31 Side

9 Rocker button 32 Insertion side

10 Band 36 Front section

10a Centerline 37 Rear section

11 Welding shoe 37a Upper side

12 Cutting mechanism 38 Middle section

13 Friction welding mechanism 39 Cover

14 Motor 40 Straight line

15 Accumulator 41 Point

16 Operating element 42 Point

17 Mode switch

18 Minus button

19 Plus button

20 Rocker button

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Patent claims

1. Mobile strapping device for strapping goods with a strapping band, comprising

a tensioning mechanism for applying tension to a loop of a strapping band, and

a sealing mechanism for creating a seal, particularly a friction or vibration weld, 

at two overlapping sections of the strapping band loop, which has an energy 

source, particularly a rechargeable energy storage device for storing electrical 

energy, wherein the energy from the energy source is used as drive energy for 

motor-driven movements of the strapping device, and

a housing with a front section serving as a cover for the tensioning mechanism, 

and a rear section preferably designed to accommodate the energy storage 

device, and a handle for holding the strapping device, arranged between the 

front and rear sections of the housing, characterized in that

a display element for showing operational information of the strapping device is 

arranged on the rear section of the housing of the strapping device.

2. Mobile strapping device according to claim 1, characterized in that the display 

element is visible from above when the strapping device is in a horizontal 

operating position, viewed from above.

3. Mobile strapping device according to claim 1 or 2, characterized in that a 

compartment for a power source, particularly for a battery, is arranged at the rear 

end of the handle, and the display element is located above this compartment.

4. Mobile strapping device according to at least one of the preceding claims, 

characterized in that the display element is designed as a combined control and 

display panel that extends over a predetermined area and within this area, both 

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display and control elements for making adjustments and/or triggering functions 

are shown, and preferably, at least some of them can also be hidden.

5. Mobile strapping device according to claim 4, characterized in that different 

information and/or control elements can alternately or simultaneously be 

displayed on the same surface areas of the control and display panel.

6. Mobile strapping device according to at least one of the preceding claims, 

characterized in that the display element includes a touchscreen.

7. Mobile strapping device, in particular according to at least one of the preceding 

claims, characterized by a modular unit that includes the display and control unit 

as well as the control system, or at least parts thereof, of the strapping device.

8. Mobile strapping device, in particular according to the preamble of claim 1, 

characterized by a means for operating the rocker of the tensioning mechanism, 

which is designed as a button.

9. Mobile strapping device according to claim 8, characterized in that the button for 

operating the rocker is arranged on the upper side of the strapping device.

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DOCUMENT MADE AVAILABLE UNDER THE 

PATENT COOPERATION TREATY (PCT)

International application number: PCT/CH2014/000059

International filing date: 05 May 2014 (05.05.2014)

Document type: Certified copy of priority document

Document details: Country/Office:

Number:

Filing date:

CH

911/13

05 May 2013 (05.05.2013)

Date of receipt at the International Bureau: 13 May 2014 (13.05.2014)

Remark: Priority document submitted or transmitted to the International Bureau in compliance with Rule 

17.1(a),(b) or (b-bis)

34, chemin des Colombettes

1211 Geneva 20, Switzerland

www.wipo.int

WIPO

WORLD 

INTELLECTUAL PROPERTY

ORGANIZATION

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