Patent Description:
In general, adhesive tape is stuck on the top of a wooden plank for waterproofing or protection. A tape dispenser is used for applying the adhesive tape. A conventional adhesive tape dispenser has a handle and a retaining frame on the handle. The retaining frame includes a tape seat for installing an adhesive tape roll and a blade. The tape seat is configured to install the adhesive tape roll. The blade is configured to cut the adhesive tape roll, so as to complete the application of the adhesive tape.

The conventional adhesive tape dispenser is operated through the handle, so the adhesive tape applied to the wooden plank may be not centered. In addition to the problem of skewing, part of the wooden plank is exposed. The exposed wooden plank cannot be protected to cause damage. Accordingly, the inventor of the present invention has devoted himself based on his many years of practical experiences to solve these problems.

<CIT> relates to a protective tape dispenser, which includes a mounting unit, a handle, a guide unit and a cutting unit. The guide unit has a tape pressing member and a turning member. The tape pressing member is located between the mounting unit and the turning member. The cutting unit includes an operation member and a fixing seat. One side of the fixing seat is provided with a blade holder. The tape pressing member and the turning member are configured to increase the tension of the protective tape and facilitate cutting. By pressing the operation member, the operation member drives a linking member to actuate the blade holder so as to extend or retract a blade.

<CIT> relates to a dispenser for applying self-adhesive tapes to surfaces of construction lumber, such that pieces of lumber can be accurately located to each other. The dispenser includes a frame comprising spaced-apart members and a roll of adhesive tape rotatably mounted between the spaced apart members so that the tape is dispensed from the roll and travels toward a rearward end of the frame. Guides are pivotably attached to the spaced-apart members of the frame, with each guide attached so that a portion thereof is pivotable to a position below the lower edge of its respective spaced-apart member. A resilient member is disposed between the lower edges of the spaced-apart members and applies a downward pressure on the tape as it travels beneath the frame.

<CIT> relates to a tape dispenser for rolls of tape of different sizes, comprising a main body having a handle and a holder. The holder has two opposing vertical plates forming a receiving space. A cutting unit includes a wheel between the two perpendicular plates. The dispenser further includes a blade above the wheel between the two perpendicular plates, and an application plate above the blade between the two perpendicular plates, and a fastening unit which includes a pressure element, a leg spring and an actuating element. The pressure element has a driving rod from whose two ends a hinge rod and a pressure rod extend in the same direction. The hinge rod being hinged to the vertical plates. The leg spring is placed around the hinge rod and supported at both ends on the holder and the pressure rod. The pressure element and the actuating element are coaxially hinged to the handle, wherein the actuating element has a stop against which the pressure element rests, wherein when the user actuates the actuating element, the pressure element is moved along, and when the actuating element reaches the end position, the user can pull the pressure element, thereby increasing the distance between the pressure element and the receiving space, so that the size range of the adhesive tape rolls is increased.

The primary object of the present invention is to provide an adhesive tape dispenser having a guide function, which can achieve the effect of sticking the adhesive tape centrally.

In order to achieve the aforesaid object, the adhesive tape dispenser of the present invention comprises a handle, a retaining frame, a tape cutting unit, a guide unit, and a tape holding unit. The retaining frame is disposed on the handle. The retaining frame has a pair of vertical plates. The tape cutting unit has a roller, a spindle and a blade that are located between the vertical plates. The roller is sleeved on the spindle and either end of the spindle has a screw hole. The guide unit has a pair of guide plates located outside the respective vertical plates. The guide plates each have a fastener for fastening the guide plates to the respective vertical plates. The fastener is a knob and has a threaded portion which is screwed to a corresponding end of the spindle for the guide plates to be in a rotatable unlocked state or a non-rotatable locked state. The tape holding unit has a pressing member. The pressing member is connected to the vertical plates. The pressing member is configured to install an adhesive tape roll.

In the adhesive tape dispenser provided by the present invention, the guide members of the guide plates are able to be in close contact with both sides of wooden planks, so as to achieve the effect of sticking the adhesive tape centrally.

Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings.

<FIG> is a perspective view in accordance with a preferred embodiment of the present invention. <FIG> is an exploded view in accordance with the preferred embodiment of the present invention. The present invention discloses an adhesive tape dispenser <NUM> having a guide function. The adhesive tape dispenser <NUM> comprises a handle <NUM>, a retaining frame <NUM>, a tape cutting unit <NUM>, a guide unit <NUM>, and a tape holding unit <NUM>.

The handle <NUM> includes an adjustment frame <NUM> and a pair of connecting plates <NUM> extending upwardly from the adjustment frame <NUM>. Each connecting plate <NUM> has a pivot hole <NUM>. One of the connecting plates <NUM> has an arc-shaped adjustment slot <NUM>.

The retaining frame <NUM> has a pair of spaced vertical plates <NUM>. The vertical plates <NUM> are located at the inner sides of the connecting plates <NUM>, respectively. Each vertical plate <NUM> has a pivot hole <NUM>. A pivot member <NUM> is insertedly connected to the pivot hole <NUM> of the handle <NUM> and the pivot hole <NUM> of the vertical plate <NUM>. The pivot member <NUM> is composed of a screw and a sleeve, so that the retaining frame <NUM> can be pivoted. An adjustment axle <NUM> is provided between the vertical plates <NUM>. An adjustment member <NUM> is provided on one end of the adjustment axle <NUM>. The adjustment member <NUM> is a knob. The adjustment member <NUM> has a threaded portion <NUM> passing through the adjustment slot <NUM> and screwed to the adjustment axle <NUM>. Thereby, the adjustment member <NUM> can be moved within the adjustment slot <NUM> to adjust the angle of the handle <NUM> in a stepless manner for applying the adhesive tape.

The tape cutting unit <NUM> has a spindle <NUM> and a blade holder <NUM> located between the vertical plates <NUM>. A roller <NUM> is sleeved on the spindle <NUM>. Either end of the spindle <NUM> has a screw hole <NUM>. The blade holder <NUM> is located above the roller <NUM>. The blade holder <NUM> has an upper holding plate <NUM>, a blade <NUM> and a lower holding plate <NUM> that are sequentially arranged in a top-down direction and screwed together by a pair of screws. Two sides of the lower holding plate <NUM> under the blade holder <NUM> have a pair of positioning portions <NUM> extending out of the outer sides of the vertical plates <NUM>, respectively.

The guide unit <NUM> has a pair of guide plates <NUM> located outside the vertical plates <NUM>, respectively. The outer peripheral wall of each guide plate <NUM> has an L-shaped first notch <NUM> and an L-shaped second notch <NUM>. At least one guide member <NUM> is provided on the inner side of each guide plate <NUM>. The guide member <NUM> may be a projection or a roller in any shape. In the embodiment of the present invention, the guide member <NUM> is a pair of rollers. A fastener <NUM> is insertedly connected to each guide plate <NUM>. The fastener <NUM> is a knob. The fastener <NUM> has a threaded portion <NUM> passing through the corresponding vertical plate <NUM> and screwed to the corresponding end of the spindle <NUM>, so that the guide plates <NUM> are secured to the vertical plates <NUM>, respectively. Each guide plate <NUM> may be in a rotatable unlocked state or a non-rotatable locked state. The user can position the first notch <NUM> or the second notch <NUM> of the guide plate <NUM> on the positioning portion <NUM> according to the needs, or position the guide plate <NUM> at any position, and then fasten the fastener <NUM> to lock the guide plate <NUM>.

The tape holding unit <NUM> has a pressing member <NUM>, a spring <NUM>, and an operating member <NUM>. The pressing member <NUM> includes a drive rod <NUM>. Both ends of the drive rod <NUM> are bent in the same direction and extend to form a pivot rod <NUM> and a pressing rod <NUM>. The pivot rod <NUM> is pivotally connected to the vertical plates <NUM>. The pressing rod <NUM> is configured to hold an adhesive tape roll <NUM>. As shown in <FIG>, one end of the spring <NUM> is connected to the vertical plate <NUM>, and the other end of the spring <NUM> is sleeved on the pressing rod <NUM>. The pressing rod <NUM> is pressed against the adhesive tape roll <NUM> via the elastic force of the spring <NUM>, so as to improve the stability of the adhesive tape dispenser <NUM> when in use and avoid shaking. The operating member <NUM> has an operating plate <NUM>. The pivot rod <NUM> is inserted through the operating plate <NUM>. Two sides of one end of the operating plate <NUM> extend outwardly to form a C-shaped drive plate <NUM> and a stop plate <NUM>, respectively. As shown in <FIG>, the drive rod <NUM> is located between the drive plate <NUM> and the stop plate <NUM>. The other end of the operating plate <NUM> has a press plate <NUM>.

Please refer to <FIG> and <FIG>. When the user intends to use the adhesive tape dispenser <NUM>, he/she has to press the press plate <NUM> first for rotating the operation plate <NUM>. The drive rod <NUM> is driven by the drive plate <NUM> to rotate, so that the pressing rod <NUM> is moved away from the vertical plates <NUM>. The pressing rod <NUM> is mounted with the adhesive tape roll <NUM>. Then, the position of the guide plates <NUM> is adjusted by the fasteners <NUM>. In the embodiment of the present invention, the first notches <NUM> of the guide plates <NUM> are positioned on the respective positioning portions <NUM>. The fasteners <NUM> are fastened so that the guide plates <NUM> cannot rotate. At this time, the guide members <NUM> of the guide plates <NUM> are close contact with to both sides of a wooden plank <NUM>, and the user holds the handle <NUM> to stick the adhesive tape to the wooden plank <NUM>, so as to achieve the effect of sticking the adhesive tape centrally. Finally, the adhesive tape is cut off by the blade <NUM> of the tape cutting unit <NUM> to complete the application of the adhesive tape. After use, the second notches <NUM> of the guide plates <NUM> are positioned on the positioning portions <NUM> respectively, so that the blade <NUM> is positioned between the guide plates <NUM> to avoid touching the blade <NUM> accidentally.

Please refer to <FIG>. When the adhesive tape is to be attached to a frame formed by a plurality of wooden planks <NUM> assembled vertically, the user can loosen one of the fasteners <NUM> first for the guide members <NUM> of the guide plates <NUM> to be in close contact with both sides of the wooden planks, so as to achieve the effect of sticking the adhesive tape centrally. Alternatively, the guide plates <NUM> may be secured above and under the retaining frame <NUM>, respectively. The guide plate <NUM> secured under the retaining frame <NUM> is in close contact with one side of the wooden planks to achieve the effect of one-sided alignment. In addition, if the guide plates <NUM> are secured above the retaining frame <NUM>, the adhesive tape dispenser functions as a general adhesive tape dispenser.

According to the standing posture, squatting posture or the angle of holding the adhesive tape dispenser, the user can freely adjust the angle to hold the handle comfortably for applying the adhesive tape by adjusting the adjustment member <NUM> within the adjustment slot <NUM>, as shown in <FIG> and <FIG>.

Claim 1:
An adhesive tape dispenser (<NUM>) having a guide function, comprising:
a handle (<NUM>);
a retaining frame (<NUM>), disposed on the handle (<NUM>), the retaining frame (<NUM>) having a pair of vertical plates (<NUM>);
a tape cutting unit (<NUM>), having a roller (<NUM>), a spindle (<NUM>) and a blade (<NUM>) that are located between the vertical plates (<NUM>), the roller (<NUM>) is sleeved on the spindle (<NUM>), either end of the spindle (<NUM>) has a screw hole (<NUM>);
a guide unit (<NUM>), the adhesive tape dispenser being characterized by the guide unit having a pair of guide plates (<NUM>) located outside the respective vertical plates (<NUM>), the guide plates (<NUM>) each having a fastener (<NUM>) for fastening the guide plates (<NUM>) to the respective vertical plates (<NUM>);
and in that the fastener (<NUM>) is a knob, the fastener (<NUM>) has a threaded portion (<NUM>), and the threaded portion (<NUM>) of the fastener (<NUM>) is screwed to a corresponding end of the spindle (<NUM>) for the guide plates (<NUM>) to be in a rotatable unlocked state or a non-rotatable locked state; and by
a tape holding unit (<NUM>), having a pressing member (<NUM>), the pressing member (<NUM>) being connected to the vertical plates (<NUM>), the pressing member (<NUM>) being configured to install an adhesive tape roll (<NUM>).