Source: https://patents.google.com/patent/JP2009542466A/en
Timestamp: 2020-02-19 14:51:37
Document Index: 474710091

Matched Legal Cases: ['art 25', 'art 23', 'art 23', 'art 23', 'arts 23', 'art 23', 'art 22', 'art 23', 'art 24', 'art 24', 'art 25']

JP2009542466A - Writing utensils with buffer devices - Google Patents
Writing utensils with buffer devices Download PDF
JP2009542466A
JP2009542466A JP2009517456A JP2009517456A JP2009542466A JP 2009542466 A JP2009542466 A JP 2009542466A JP 2009517456 A JP2009517456 A JP 2009517456A JP 2009517456 A JP2009517456 A JP 2009517456A JP 2009542466 A JP2009542466 A JP 2009542466A
JP2009517456A
JP4768068B2 (en
フランク・ロリオン
ベルトラン・ボードアン
リック・オブライエン
ソシエテ・ビック
2006-07-07 Application filed by ソシエテ・ビック filed Critical ソシエテ・ビック
2006-07-07 Priority to PCT/IB2006/003341 priority Critical patent/WO2008007167A1/en
2009-12-03 Publication of JP2009542466A publication Critical patent/JP2009542466A/en
2011-09-07 Publication of JP4768068B2 publication Critical patent/JP4768068B2/en
B43K17/005—Continuously-adjustable nibs, e.g. for drawing-pens; Holders therefor continuously-adjustable nibs
The writing instrument comprises a barrel (2) extending along the central axis (Z) between the front end (2a) and the rear end (2b) with openings (3, 5): between the protruding and retracted positions And an actuating mechanism (20) having a plurality of parts for projecting and retracting the writing tip when the actuating member (6) is actuated. And a cushioning device (30) that allows the writing tip to retract when excessive pressure is applied to the writing tip by the user. The shock absorbing device has a spring member (32) that is formed integrally with the movable portion (23) of the operating mechanism and is elastically deformable in the central axis direction. The movable part (23) is operable with respect to the barrel (2) along the central axis (Z). The spring member (32) has a free end (32b) that contacts the barrel and a through hole (35) extending along the central axis (Z). The stem (22b) connects the operating member to the operating mechanism.
The present invention relates to a writing instrument including a writing chip and a buffer device that enables the writing chip to be retracted when an excessive pressure is applied to the writing chip by a user. More particularly, the present invention relates to a barrel extending along a central axis between a front end and a rear end with respective front and rear openings, and a front opening between a protruding position and a retracted position. Actuating mechanism having a plurality of parts for projecting and retreating the writing chip when the actuating member is actuated, and a writing chip that is operable through the section And a writing instrument provided with a buffer device.
By using a cushioning device, writing comfort is improved and damage to the paper sheet or writing tip is avoided. Various types of writing instruments are used, especially ballpoint pens, fiber pens or mechanical pencils. In particular, in a mechanical pencil, the buffer device reduces the possibility that the core breaks when the user applies high pressure to the paper sheet. Various embodiments of the buffer device are known, and Patent Document 1 is given as an example. However, a commercially available writing instrument with a cushioning device is a type of writing instrument that cannot be retracted, i.e., the writing tip cannot be retracted into the barrel when not in use. Thus, most of these devices include a removable cap that is fitted to the tip of the barrel to avoid spotting and / or drying of the tip. Indeed, it is a challenge to provide an actuation mechanism for the tip that retracts / protrudes with the damping device in the barrel.
One problem is that the complexity of such writing instruments increases the manufacturing process and costs. Furthermore, it is also a problem to leave a space in the barrel for accommodating the ink cartridge when the lifetime of the writing instrument is not significantly reduced.
US Patent Application Publication No. 2004/0234322
Therefore, there is a need for a writing instrument with a cushioning device that can be manufactured in industrial quantities at a reasonable price for a retractable tip.
In order to solve these problems, according to one aspect of the present invention, there is provided a writing instrument of the type described above, in which the cushioning device comprises a spring member that can be elastically deformed in the direction of the central axis. It is formed integrally with the moving part of the actuating mechanism, which is a part that is movable relative to the barrel along the central axis, and this spring member is a free end that abuts the barrel toward its rear end And a through hole extending along the central axis, and a stem extending into the hole of the spring member connects the actuating member to the actuating mechanism.
By providing a spring member formed integrally with a part of the operating mechanism, the number of parts of the writing instrument is reduced. This reduces the cost and greatly facilitates the assembly of the mechanism with the buffer device. Furthermore, by realizing this, the spring member is placed near the rear end of the barrel, forming a through hole that is immediately adjacent to the actuation mechanism and in which some parts of the mechanism are placed. Thus, a space in the barrel for the ink cartridge is maintained.
According to another aspect of the invention, it may be independent of the above aspect, and the spring member is central to the movable part of the actuating mechanism when the spring member is compressed in the direction of the central axis. It is configured to prevent transmission of torque around the axis. Indeed, the use of a spring member having a helical shape allows one end to rotate slightly when such type of spring member is compressed. This does not have the actual drawbacks associated with writing instruments as described in US Pat. However, using a retractable tool with parts that are accurately guided along the length by the cooperation of the grooves and ribs, a friction force is created between the mechanism and the barrel when the spring member provides torque. It turns out that there is a thing.
Various embodiments of spring members that do not transmit torque have been devised. On the other hand, preferred embodiments of the present invention have one or more of the following features.
The spring member has at least one corrugated portion, the at least one corrugated portion extending generally in the direction of the central axis and at least first and second disposed on opposite sides of the extension axis; It has 2 curves.
The corrugation has further curves regularly arranged on both sides of its extension axis.
-At least first and second corrugations are provided, and the first and second corrugations are arcuate around the central axis so as to at least partially form a through hole in the spring member .
The first and second wavy portions are connected to each other by an intermediate portion of two adjacent curves that are part of each of the first and second wavy portions.
At least one corrugation is terminated by a ring at the free end of one side of the spring member;
Various types of actuating mechanisms are suitably coupled with the dampening device according to the present invention, but may include the following features in preferred embodiments.
The movable part formed integrally with the spring member is tubular and has a central axis that is collinear with the through hole of the spring member.
The shock absorbing device further comprises an additional spring member formed by a metal helical spring member provided between the movable part of the mechanism and the barrel.
The spring constant characteristic of the additional helical spring is different from the spring constant characteristic of the spring member.
The additional helical spring is locked to the moving part of the actuation mechanism.
The movable part has at least one cam path that cooperates with the rotating part of the operating mechanism.
The actuation mechanism is a ratchet-plunger type mechanism that is actuated by a rear knock button.
Other features and advantages of the present invention will become apparent from the following description of preferred embodiments, given by way of non-limiting example, with reference to the drawings.
1 is a perspective view of a retractable tool comprising an actuating mechanism and a shock absorbing device according to the present invention. FIG. It is an exploded view of the writing instrument of FIG. FIG. 3 is a cross-sectional view of the writing instrument of FIG. 1 taken along line III-III showing the writing tip in a protruding position. FIG. 4 is a view similar to FIG. 3, showing a state where the writing tip is in the retracted position. FIG. 4 is a view similar to FIG. 3, showing a state where the writing tip is in the buffer position. It is a right view of a part of actuating mechanism and a part of buffer device. It is a front view of a part of actuating mechanism and a part of buffer device. It is a left view of a part of actuating mechanism and a part of buffer device. FIG. 7 is a cross-sectional view taken along line VII-VII in FIG.
The same reference numerals are used in different figures to indicate the same or similar components.
FIG. 1 shows a preferred embodiment of the writing instrument of the present invention. The tool 1 has a barrel 2 that extends along a central axis Z from a front end 2a to a rear end 2b. The front end 2a has a front opening 3 through which the writing tip 4 can move between a protruding position shown in FIG. 3 and a retracted position shown in FIG. The rear end 2b of the barrel has a rear opening 5 through which a rear knock button 6 extends.
The barrel 2 includes a nose cone 8, an intermediate tubular member 9, and a rear tubular member 10 having a clip 11 from the front end to the rear end. However, the barrel can be composed of many different parts.
The writing chip 4 is a ball point chip formed at the front end of the ink cartridge 14 shown in FIG. The ink cartridge 14 has two protrusions 14a on the opposite side. However, the present invention is not limited to this type of writing tip. For example, a mechanical pencil cartridge having a mechanism for advancing an incorporated core, a cap from which a writing instrument can be removed, or a front opening 3 in a retracted position. If a device for sealing is provided, a fibrous writing tip can be used.
2 to 5, a biasing device 16 is disposed between the front end 2a and the protrusion 14a of the ink cartridge 14 so as to elastically bias the cartridge toward the rear end 2b. .
The actuating mechanism 20 and the buffer device 30 are provided in the barrel 2. When the user activates the actuating member formed by the rear knock button 6 in the illustrated embodiment, the actuating mechanism 20 allows the writing tip 4 to project or retract. The function of the buffer device 30 is to absorb the excess pressure applied to the writing tip 4 by the user. The shock absorber device must be able to slightly displace the writing tip backward when excessive pressure is applied to the writing tip. Generally, when the writing tip 4 moves backward toward the retracted position, the user relaxes the pressure applied to the writing implement. Subsequently, the elasticity of the buffer device 30 enables the writing chip 4 to return to the protruding position.
The actuating mechanism is of a conventional type, in particular of the ratchet-plunger type disclosed in US Pat. No. 4,991,988 (US-A-4 991 988). This mechanism includes a ratchet 21, a plunger 22, a tubular portion 23, and an adapter 24.
The tubular portion 23 has an annular inner surface with a saw-like cam path 25. As best shown in FIG. 7, the cam path 25 forms front and rear abutments (25a, 25b) separated by six longitudinal grooves.
The plunger 22 has a stem portion 22a extending rearward and six radial protrusions 27 adjacent to the front end 22a that engages the groove 26 of the annular portion 23 so as to slide. The front end 22a of the plunger 22 has the shape of a toothed crown.
The ratchet 21 has a cylindrical projection 21b inserted so as to rotate via the front end 22a of the plunger 22. In addition, the ratchet 21 has an annular shoulder 28 with a surface facing towards the rear end 2b, which is complementary to the toothed crown 22a of the plunger. Three longitudinal protrusions 29 are provided on the outer surface of the ratchet 21 from the shoulder 28 to the front end 21a. The longitudinal protrusion 29 can be in contact with either the front part or the rear part 25 a, 25 b of the cam path 25 and can be guided in the longitudinal direction by the groove 26.
The adapter 24 has a rear pin portion 24b inserted into the ratchet 21 and a front cup-shaped portion 24a with which the ink cartridge 14 abuts when the biasing member 16 is operated. However, the adapter 24 may have a conical shape having a flat end at the front end thereof. The adapter 24 may be mounted to rotate freely within the ratchet 21 in order to avoid rotational displacement or torque transmission between the ratchet 21 and the ink cartridge 14. However, the adapter 24 can be secured to the ratchet 21 and further engages on the cartridge 14 to prevent relative rotation therebetween without interfering with the operation of the ratchet-plunger mechanism 20. Is possible.
When the rear knock button 6 is pressed by the user, the plunger 22 moves forward relative to the tubular portion 23 and pushes the longitudinal protrusion 29 into the groove 26 of the tubular portion 23 and the ratchet 21. Collaborate. The toothed crown 22a of the plunger 22 and the complementary shoulder 28 of the ratchet 21 are configured so that the ratchet 21 rotates slightly when the rear knock button is pushed forward. As a result, the ratchet longitudinal protrusion 29 instead abuts against the cam path front portion 25a and rear portion 25b of the tubular portion 23 when the user releases the rear lock button 6.
The actuating mechanism 20 causes the writing tip 4 to move from the retracted position to the projecting position or vice versa at each actuation of the rear knock button 6. The ratchet-plunger type mechanism is easy to use for many users and takes up little space. In particular, the outer diameter of the ratchet and plunger can be made relatively smaller than the diameter of the barrel. As a result, a sufficient space for accommodating the sliding tubular portion 23 is secured.
The tubular portion 23 has an outer surface 23 c configured to be movable in the longitudinal direction with respect to the barrel 2. In order to prevent the rotation of the tubular part 23 with respect to the barrel 2, two opposite protrusions 31 are provided on the outer surface 23c and cooperate with the longitudinal groove of the barrel (not shown).
Transmission of torque to the ratchet 21 is avoided by the protruding portion 31 of the tubular member 23 and the adapter 24. As a result, rotation of the ratchet 21 is prevented without actuating the rear knock button 6 and, subsequently, a forced position change of the writing tip 4 is avoided.
Referring to FIG. 5, the mobility of the tubular portion 23 is such that it can be displaced from the position corresponding to the protruding position of the writing tip to the rear end of the barrel along a predetermined longitudinal distance d. It must be. This predetermined distance d needs to be long enough to provide a buffering effect when the writing tip moves backward due to excessive pressure.
Note that the longitudinal position of the tubular part 23 is the same as the retracted and protruding position of the writing tip 4. This simplifies the buffer device 30 and facilitates adjustment of the buffer force.
The rear end 23 b of the tubular portion 23 includes a spring member 32 that extends toward the rear end 2 b of the barrel 2. The spring member 32 has a free end 32 b facing the tubular member 23 that abuts rearward against the inner shoulder 33 of the barrel 2. The spring member 32 is elastically compressible in the direction of the central axis Z in order to enable the displacement of the entire actuation mechanism 20 and consequently the writing tip 4.
The spring member 32 is integrally formed with the tubular portion 23 during the plastic material injection molding process. This makes it possible to manufacture a single part having two functions in the same process.
The spring member 32 has a through hole 35 that is collinear with the central axis Z, and has a diameter that is substantially the same as the inner diameter of the tubular portion 23. The through-hole 35 provides a passage for connecting the rear knock button 6 forming the actuation member of the mechanism and its own ratchet-plunger mechanism 20. By providing this, it is possible to ensure space in the barrel 2 and is rather common for the user instead of a more complex actuation mechanism that would be difficult for the user to intuitively understand. It is possible to use a rear knock button as the actuating member.
The longitudinal tubular members (23, 32) formed by the tubular portion 23 and the spring member 32, the plunger 22, the ratchet 21, and the pin 24 are easily operated when the spring member 32 is oriented downward. A first sub-assembly is formed so that it is possible. This first sub-assembly is insertable into the barrel's rear tubular member 10 with the rearwardly oriented rear end 2b. Subsequently, the rear knock button 6 is inserted through the rear opening 5 of the barrel and engaged in a snap manner on the stem 22b of the plunger 22. As a result, the rear knock button 6, the plunger 22, the single tubular member (23, 32) and the rear tubular member 10 form a second sub-assembly that is inseparable, which is And, in particular, snaps to a third sub-assembly having a nose-cone 8, an intermediate tubular member 9, a biasing member 16, and an ink cartridge 14 with a nose-cone oriented downwardly. An upwardly oriented knock button 6 engaged in form is provided.
In order to avoid separation of the ratchet 21 and the adapter 24 from the first sub-assembly, a separable cooperating state between the adapter 24 and the tubular part 23 can be realized. As best shown in FIG. 7, a tubular member 34 extends radially from the inner surface of the tubular member 23 at its front end 23a. Alternatively, the adapter 24 has a small protrusion 36 on the rear side of the tubular cylindrical portion 24a, as seen in FIG.
Thus, in practice, the rear of the barrel 10 includes a shock absorber 30 in addition to the actuating mechanism 20, but the assembly of the writing instrument is not very complicated.
As best shown in FIGS. 6 and 7, when the spring member 32 is compressed in the axial direction, the spring member 32 transmits rotational displacement or torque according to the central axis Z to the tubular portion 23 formed integrally therewith. It has a unique shape designed to not. Actually, the torque or rotational displacement generated by the spring member 32 may impair the cushioning effect when a frictional force is generated between the tubular portion 23 and the barrel 2, or the unexpected jerky displacement may cause the ratchet. When caused between 21 and the cam path 25, it can be detrimental with respect to the ratchet-plunger mechanism.
The spring member has first and second corrugations (37, 38) extending generally in the direction of the central axis Z from the rear end 23b of the tubular portion 23 to the ring 39 forming the rear end of the spring member 32. It has. These portions (37, 38) have a shape similar to a band that forms a waveform on both sides of its main extension axis, such as a curved curve along the abscissa axis. As a result, the corrugated part (37, 38) comprises first and second curves (37a, 37b; 38a, 38b) on both sides of its extended axis parallel to the central axis Z. However, the wavy shape may not correspond to the bent curve; the width around the extension axis, the radius of the curve, and the circumferential extension angle of the curve can vary. Can do. Due to the wave shape, when the spring member 32 is compressed, it is possible to avoid the generation of torque and jerky displacement around the central axis Z. For the same purpose, an odd number of first and second curves (37a, 37b; 38a, 38b), in which each of the undulations (37, 38) is equally distributed on both sides of the extension axis, are preferred embodiments. For example, it has four curves.
The corrugations (37, 38) have the further advantage of providing high elasticity over an effective distance even if their spring constant is not constant. Furthermore, it should be noted that the continuously folded shape of the undulations (37, 38) prevents the concentration of mechanical stress in that region that would occur if the spring member had sharp edges. This feature provides an important advantage. In fact, it increases the elastic return of the corrugated part to its initial shape and further increases its useful life.
As can be seen in FIGS. 6b and 7, the first and second undulations (37, 38) are arranged in opposite directions with respect to the central axis Z and extend via spring members. It is bent in an arc toward the axis so as to form the through hole 35. However, even if the spring member 32 includes two or more wavy portions or only one wavy portion, the spring member 32 includes additional portions having various shapes so that the same advantage can be finally obtained. May be.
As best shown in FIG. 6b, the first and second undulations are located in the middle of two adjacent curves (37b, 38a) of the respective first and second undulations (37, 38). Are connected to each other by the joining points 32c. By this feature portion, the tubular spring member 32 is reinforced, and the wavy portion having a small cross-sectional area can be prevented from being damaged, for example, during the manufacturing process. The ring 39 at the free end 23b of the spring member also reinforces the tubular structure of the spring member 23.
Furthermore, these features increase the torsional stiffness of the spring member 32 between the ring 39 and the tubular portion 23. It is attached to the barrel to rotate to rotate the cushioning device 30 to another type of actuating mechanism, for example, the portion 23 formed to be integral with the spring member 32, and the free of the spring member 32 This may be advantageous when associated with a torsional mechanism or the like that is actuated by an actuating member connected to the end.
As shown in FIG. 2, the shock absorbing device 30 further includes an additional spring member 41. This additional spring member 41 is a helical spring formed of metal disposed between an outer shoulder 23d oriented rearward of the tubular portion 23 and an inner shoulder 44 oriented forward of the barrel 2. .
The additional spring member 41 is compressed in the direction of the longitudinal axis 2 when excessive pressure is applied to the writing tip 4. As a result, the additional spring member 41 generates a buffering force together with the spring member 32. By providing the two spring members, the advantage that the entire shock absorbing device 30 corresponds to the shock absorbing force is obtained. In fact, a spring member 32 made of plastic material would have a spring constant that is not uniform or not high enough for buffering. The additional spring 41 increases the spring constant of the damping device 30, and if this additional spring 41 has been pre-compressed between the tubular parts 23 in the barrel 2, the additional spring 41 is initially The writing tip 4 is then retracted. Therefore, by providing two different spring members having different spring constant characteristics, it is possible to adjust the spring constant characteristics of the entire shock absorbing device 30, that is, the buffering force due to the backward displacement of the writing tip. Can be realized. For example, it is possible to adjust so that the buffering force is accelerated not as linearly but as the writing tip moves backward.
An additional spring 41 is arranged around the rear of the tubular part 23. The front end of the spring 41 is locked to a small protrusion 23e positioned near the shoulder 23d of the tubular portion so as to be slightly pressurized. Thus, the additional spring member 41 is attached to the tubular portion 23 and forms part of the first sub-assembly. Therefore, the additional spring member does not interfere with the assembly operation of the writing instrument. Note that the frictional force between the additional spring 41 and the barrel is low because it is a metal / plastic contact and only a portion of the pen pressure is applied to this point of contact. As a result, the additional spring 41 cannot produce an influential torque.
From the above description, many variations made from the embodiments described as examples have become apparent to those skilled in the art. As an example, as described above, the operating mechanism can be different from the ratchet-plunger mechanism, the configuration of the spring member can be modified, and it is not essential to provide an additional spring member Is mentioned.
DESCRIPTION OF SYMBOLS 1 Writing tool 2 Barrel 2a Front end 2b Rear end 3 Front opening 4 Writing tip 5 Back opening 6 Back knock button 8 Nose cone 9 Intermediate tubular member 10 Back tubular member 11 Clip 14 Ink cartridge 14a Protrusion 16 Energizing device DESCRIPTION OF SYMBOLS 20 Actuation mechanism 21 Ratchet 21a Front end 21b Protrusion part 22 Plunger 22a Front end 22b Stem 23 Tubular part 23a Front end 23b Rear end 23c Outer surface 23d External shoulder 23e Projection part 24 Adapter 24a Cup shape part 24b Rear pin part 25 Cam path 25a
25b Back contact portion 26 Longitudinal groove 27 Radial protrusion 28 Shoulder 29 Longitudinal protrusion 30 Buffer device 31 Protrusion 32 Spring member 32b Free end 32c Joining point 33 Inner shoulder 34 Tubular member 35 Through hole 37 First waved portion 37a first curve 37b second curve 38 second wavy portion 38a first curve 38b second curve 39 ring 41 spring member 44 inner shoulder
A barrel (2) extending along a central axis (Z) between a front end (2a) and a rear end (2b) with respective front and rear openings (3, 5);
A writing tip (4) operable between a protruding position and a retracted position via a front opening (3), for which purpose the writing tip (4) is located in the barrel;
An actuating mechanism (20) comprising a plurality of parts for projecting and retracting the writing tip when the actuating member (6) is actuated;
A buffering device (30) that allows the writing tip to be retracted when excessive pressure is applied to the writing tip by a user;
The buffer device (30) includes a spring member (32) that can be elastically deformed in the direction of the central axis (Z), which is integrated with the movable part (23) of the operating mechanism (20). The movable part (23) is operable with respect to the barrel (2) along the central axis (Z),
The spring member (32) has a free end (32b) that abuts the barrel toward the rear end (2b), and a through hole (35) extending along the central axis (Z). Have
A writing instrument, wherein a stem (22b) extending into the hole of the spring member connects the actuating member (6) to the actuating mechanism (30).
When the spring member is compressed in the direction of the central axis (X), the spring member (23) moves around the central axis (Z) with respect to the movable part (23) of the operating mechanism (30). The writing instrument according to claim 1, wherein the writing instrument is configured to prevent transmission of torque.
The spring member (32) comprises at least one corrugated portion (37; 38), and the at least one corrugated portion (37; 38) extends entirely in the direction of the central axis (Z). And at least first and second curves (37a, 37b; 38a, 38b) arranged on both sides of the extension axis thereof. Tools.
Writing according to claim 3, characterized in that the corrugated part (37; 38) has further curves (37a, 37b; 38a, 38b) regularly arranged on both sides of its extension axis. Tools.
At least first and second wavy portions (37; 38) are provided, and the first and second wavy portions are formed so as to at least partially form the through hole (35) of the spring member (32). The writing instrument according to claim 3 or 4, wherein the portion is bent in an arc around the central axis (Z).
The first and second wavy portions (37; 38) are connected to each other by an intermediate portion of two adjacent curves (37b; 38a) that are part of each of the first and second wavy portions. The writing instrument according to claim 5, wherein:
7. The at least one said undulating part (37; 38) is terminated by a ring (39) at the free end (32b) on one side of the spring member. Writing instrument as described in one item.
The movable part (23) formed integrally with the spring member (32) is tubular and has a central axis that is collinear with the through hole (35) of the spring member. The writing instrument according to any one of claims 1 to 7, wherein the writing instrument is provided.
The buffer device (30) includes an additional spring member (41) formed by a metal helical spring member provided between the movable part (23) of the mechanism and the barrel (2). The writing instrument according to any one of claims 1 to 8, further comprising:
The spring constant characteristics of the additional helical spring (41) are different from the spring constant characteristics of the spring member (32), and these characteristics adjust the buffering force of the buffer device (30). The writing instrument according to claim 9, wherein the writing instrument is defined as follows.
11. Writing instrument according to claim 9 or 10, characterized in that the additional helical spring (41) is locked to the movable part (23) of the actuating mechanism.
12. The movable part (23) has at least one cam path (25) cooperating with a rotating part (21) of the actuating mechanism. Writing instrument according to.
The writing instrument according to any one of claims 1 to 12, wherein the operating mechanism (30) is a ratchet-plunger type mechanism operated by a rear knock button (6).
JP2009517456A 2006-07-07 2006-07-07 Writing utensils with buffer devices Active JP4768068B2 (en)
PCT/IB2006/003341 WO2008007167A1 (en) 2006-07-07 2006-07-07 Writing instrument with cushioning device
JP2009542466A true JP2009542466A (en) 2009-12-03
JP4768068B2 JP4768068B2 (en) 2011-09-07
ID=37834383
JP2009517456A Active JP4768068B2 (en) 2006-07-07 2006-07-07 Writing utensils with buffer devices
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2006-07-07 BR BRPI0621850 patent/BRPI0621850A2/en not_active IP Right Cessation
2006-07-07 EP EP06820967.5A patent/EP2038128B1/en active Active
2006-07-07 US US12/307,822 patent/US8550735B2/en active Active
2006-07-07 MX MX2009000230A patent/MX2009000230A/en unknown
2006-07-07 CN CN 200680055269 patent/CN101484326B/en active IP Right Grant
2006-07-07 JP JP2009517456A patent/JP4768068B2/en active Active
2006-07-07 WO PCT/IB2006/003341 patent/WO2008007167A1/en active Application Filing
2006-07-07 CA CA 2656863 patent/CA2656863A1/en not_active Abandoned
EP2038128A1 (en) 2009-03-25
WO2008007167A1 (en) 2008-01-17
CA2656863A1 (en) 2008-01-17
MX2009000230A (en) 2009-04-07
CN101484326A (en) 2009-07-15
US8550735B2 (en) 2013-10-08
CN101484326B (en) 2012-08-29
BRPI0621850A2 (en) 2011-12-20
JP4768068B2 (en) 2011-09-07
US20090290929A1 (en) 2009-11-26
EP2038128B1 (en) 2016-02-17
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