CN1832866A - Shaft tube for writing implement - Google Patents
Shaft tube for writing implement Download PDFInfo
- Publication number
- CN1832866A CN1832866A CNA2004800223451A CN200480022345A CN1832866A CN 1832866 A CN1832866 A CN 1832866A CN A2004800223451 A CNA2004800223451 A CN A2004800223451A CN 200480022345 A CN200480022345 A CN 200480022345A CN 1832866 A CN1832866 A CN 1832866A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- shaft
- writing brush
- clamping part
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
- B43K23/008—Holders comprising finger grips
Landscapes
- Pens And Brushes (AREA)
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
Abstract
A shaft tube for a writing implement, the shaft tube being easy to assemble. A shaft tube for a writing implement has a holding portion (3) and a grip member (G). The holding portion (3) has an engagement portion (4) for grip installation and is smaller in diameter than other portions of the shaft tube. The grip portion (G) has a to-be-engaged portion (8b) engaging the engagement portion (4) for grip installation and is installed on the holding portion (3) with the engagement portion (4) for grip installation and the to-be-engaged portion (8b) engaged with each other for circumferential positioning. The grip portion (G) is mounted on the holding portion (3). The shaft tube (1) is formed by two-color forming using a hard resin and a soft resin. A portion of the hard resin is exposed to the outside and the hard resin and the soft resin are exposed to the inside. The shaft tube (1) has the grip member (G) having the to-be-engaged portion (8b) formed on the hard resin exposed to the inside.
Description
Technical field
The present invention relates to holding part, the shaft of a writing brush of a tool of clamping part is installed at the shaft of a writing brush.
Background technology
In the past, the shaft of a writing brush of a following tool is known for people, promptly at the holding part of this shaft of a writing brush, the clamping part that is formed by elastomer is installed.
In such tool, clamping part forms one according to double-colored shaping and the shaft of a writing brush, or the mode between the stage portion that preformed clamping part is formed less than the other parts of the shaft of a writing brush according to the diameter that is intercalated in the holding part by making the front end component and the shaft of a writing brush is provided with.
In addition, the applicant discloses the mode of externally exposing according to the part of hard resin and covers the tool that soft resin forms by double-colored shaping in the flat 10-297161 of TOHKEMY (JP special be willing to flat 9-123441) document " tool or be coated with the shaft of a writing brush of tool ".
In addition, structure between the stage portion that forms less than the mode of the other parts of the shaft of a writing brush as the diameter that preformed clamping part is intercalated in the holding part by making the front end component and the shaft of a writing brush according to the non-rotary mode of clamping part, open in the flat 7-7985 document " trigger of a tool " in fact at JP, disclose the trigger of a following tool, wherein, at least touch the outer peripheral face of portion partly at a finger of the front of tool main body along corresponding axis direction, bead or recessed edge are set, the inner peripheral surface of the elastic cylinder that forms at elastomeric material by rubber etc., recessed edge or bead are set, the recessed edge or the bead that refer to the portion that touches engage with the bead or the recessed edge of elastic cylinder, and the above-mentioned finger portion of touching sandwiches in the elastic cylinder.
Patent documentation 1:JP spy opens flat 10-297161 (the special flat 9-123441 of hope of JP) number document
Patent documentation 2:JP opens flat 7-7985 document in fact
The disclosure of an invention scheme
The problem that invention will solve
Yet, though best, by double-colored shaping, cover soft resin, thus, clamping part is difficult to relative shaft of a writing brush rotation, or does not rotate, still, if consideration is an one with the shaft of a writing brush, and as above-mentioned, the part of hard resin is externally exposed, and the shape of the part of then exposing is subjected to the restriction of other shaft of a writing brush shape.In addition, because wall thickness is bigger,, produce the danger of the shrinkage cavity (recess) when being shaped so also have in the part of exposing.
In addition, if make recess and/or protuberance (being stuck portion) on the inwall that is formed at clamping part, engage with protuberance and/or recess (clamp to install and use the holding section) on being formed at the shaft of a writing brush, stop the rotation, because clamping part is a soft resin, even so recess and/or protuberance on the inwall that is not formed at clamping part, and be formed in position corresponding under the situation of protuberance on the shaft of a writing brush and/or recess with it, if apply pressing force to a certain degree, the protuberance generation strain of soft resin then, or strain also takes place with part that the protuberance of the shaft of a writing brush is faced, become intercalation.Thus, have following problems, promptly the position of the direction of rotation of clamping part is difficult to the relative shaft of a writing brush and certain, particularly in the machinery assembling, is difficult to make the certain problem in position of the direction of rotation of clamping.The part of the hard resin as the present invention so is externally exposed, and has the occasion of the clamping device of directionality aspect decoration, importantly the relative shaft of a writing brush in the position of the direction of rotation of clamping part and certain.
In view of above-mentioned situation, the 1st technical task of the present invention is to provide assembling to be easy to the shaft of a writing brush of a tool.
In addition, the 2nd technical task of the present invention is that the position of the direction of rotation of clamping part is certain.
Be used to solve the technical scheme of problem
Below the present invention who solves above-mentioned problem is described,, marks the label of the part of bracketed embodiment, so that easily corresponding with the part of the instantiation (embodiment) of form of implementation described later for part of the present invention.In addition, the reason that present invention is described corresponding to the label of embodiment described later is to understand easily the present invention, and scope of the present invention is not limited to embodiment.
(the present invention)
In order to solve above-mentioned technical task, the shaft of a writing brush of of the present invention tool (1) comprises holding part (3) and clamping part (G), this holding part (3) has to clamp to be installed with holding section (4), the diameter of this holding part (3) is less than the other parts of the shaft of a writing brush, this clamping part (G) has with above-mentioned clamping installs the portion that is stuck (8b) that engages with holding section (4), above-mentioned clamping is installed with holding section (4) and the above-mentioned portion (8b) that is stuck and is engaged, carry out circumferential location, this clamping part (G) is installed on the above-mentioned holding part (3);
It is characterized in that above-mentioned clamping part (G) forms by the double-colored shaping of hard resin (8) and soft resin (9), the part of above-mentioned hard resin (8) is externally exposed, and in inside, above-mentioned hard resin (8) and above-mentioned soft resin (9) expose, and on the above-mentioned hard resin (8) that is to expose inside, form above-mentioned clamping and install with holding section (4).
In addition, axial at least one end (9b) of above-mentioned clamping part (G) also can form by above-mentioned soft resin (9).
In addition, also can be used as the above-mentioned clamping part (G) that is installed on the above-mentioned holding part (3), the inwall (9a) of the above-mentioned soft resin (9) that exposes in inside is pressed into and is embedded in above-mentioned holding part (3).
Also have, also can constitute in the following manner, this mode is: install with holding section (4) in above-mentioned clamping, be formed at above-mentioned hard resin (8) on above-mentioned be stuck portion (8b) and begin to engage after, the inwall (9a) of above-mentioned soft resin (9) begins to be pressed into the holding part (3) that is embedded in the shaft of a writing brush.
Have, above-mentioned clamping part (G) also can be formed by its color hard resin different with the shaft of a writing brush (8), its color and the shaft of a writing brush soft resin (9) different with hard resin (8) again.
Hard resin of the present invention (8) is the hard resin (8) of AS resin, ABS resin, POM resin, PS (polystyrene) resin, PET (PETG) resin, PBT (polybutylene terephthalate (PBT)) resin, PP resin, PMMA (polymethacrylates) resin, PC (Merlon) resin etc.
Soft resin of the present invention (9) is by the thermoplastic elastomer (TPE) of polystyrene, polyurethane system, polyolefin etc., as the clamping part (G) of a tool and general known thermoplastic elastomer (TPE), hot melt elastomer form, in view of by double-colored shaping, cover aforesaid hard resin (8), consider the melting etc. of the formability etc. of the hard resin of having selected (8), can suitably select.
(effect of the present invention)
In the shaft of a writing brush (1) of of the present invention tool with above-mentioned technical characterictic, clamping part (G) forms by the double-colored shaping of hard resin (8) and soft resin (9), the part of above-mentioned hard resin (8) is externally exposed, in inside, above-mentioned hard resin (8) and above-mentioned soft resin (9) expose, and above-mentioned clamping installation is formed at the hard resin (8) that exposes in inside with holding section (4).Be formed on the hard resin (8) with holding section (4) by clamping to install, can assemble the shaft of a writing brush (1) of a tool easily, can make the position of direction of rotation of clamping part (G) certain.In addition, be that the soft resin (9) that exposes inside is formed at the occasion on axial at least 1 end (9b) of above-mentioned clamping part (G), owing to can compress mode keep soft resin (9), even so under the inexact situation of dimensional accuracy, the position of clamping part (G), contact with soft resin (9) and the position component that realizes locating is definite according to mode very close to each other.In addition, in the time of on clamping part (G) being installed on above-mentioned holding part (3), the inwall (9a) that is the above-mentioned soft resin (9) that exposes inside is pressed into the occasion that is embedded in the above-mentioned holding part (3), owing to can prevent rocking, rotating of clamping part (G), so can assemble the shaft of a writing brush (1) of a tool easily.In addition, install with holding section (4) and be formed at after above-mentioned on the above-mentioned hard resin (8) be stuck portion (8b) and begin to engage in above-mentioned clamping, inwall (9a) in above-mentioned soft resin (9) begins to be pressed into the occasion of the holding part (3) that is embedded in the shaft of a writing brush, owing to can before being pressed into, realize the location of clamping part (G), be more prone to assembling.In addition, the occasion form above-mentioned clamping part (G) by its color hard resin different with the shaft of a writing brush (8), its color and the shaft of a writing brush soft resin (9) different with hard resin (8) can provide ornamental clamping part (G).
The effect of invention
By aforesaid the present invention, can provide assembling easily, and clamping part (G) does not rotate the shaft of a writing brush of the tool that the position of ornamental clamping part is easy certain.
Brief description of drawings:
Fig. 1 is the key diagram of the embodiment of the shaft of a writing brush of of the present invention tool of expression, and Figure 1A is the longitudinal sectional view of the local abridged major part of the shaft of a writing brush of of the present invention tool of expression, the top view of Figure 1B for watching from the arrow IB direction of Figure 1A;
Fig. 2 is the figure of the shaft of a writing brush of the preceding tool of the assembling of presentation graphs 1;
Fig. 3 is the cutaway view of the III-III line among Figure 1A;
Fig. 4 is the figure of assembling process of the clamping part of the shaft of a writing brush of an expression tool, and Fig. 4 A is for clamping the key diagram that the state that begins to engage with holding section and the portion of being stuck is installed, and Fig. 4 B is the inwall of clamping part and the key diagram that holding part begins to be pressed into chimeric state.
The explanation of label:
The shaft of a writing brush of label 1 an expression tool;
Label 6 expression front end components;
The preferred form that is used to carry out an invention
Under the situation of not damaging assembleability, realize providing the purpose of the shaft of a writing brush of the certain tool in the position of clamping part of decoration.
In the shaft of a writing brush 1 of the tool of Fig. 1～shown in Figure 4, on the less holding part 3 of the external diameter of shaft of a writing brush main body 2, clamping part G is installed, still, the such formation of clamping part G, promptly, on the hard resin 8 (ABS resin) of blueness, cover the soft resin 9 (the meltbility elastomer of olefin-based) of black in the following manner by double-colored shaping in advance, this mode is: the part of hard resin 8 is externally exposed, on the inwall of clamping part G, form hard resin 8a of portion and the 9a of soft resin portion.
When clamping part G is installed on the holding part 3 of shaft of a writing brush main body 2, with the protuberance (clamp to install and use the holding section) 4 that is formed on the holding part 3,8b engages with recess (being stuck portion), and this recess 8b is formed on the inwall 8a of hard resin portion of clamping part G, and is corresponding with protuberance 4.
In addition, set the inwall 9a of soft resin portion in the following manner, the inwall 8a of hard system resin portion, the position relation of the protuberance 4 of holding part 3, this mode is: the concavo-convex engaging (state of the A of Fig. 4) of the recess 8b of beginning clamping part G and the protuberance 4 of holding part 3, then, if proceed the installation of clamping part G (direction of arrow of Fig. 4), then the inwall 9a of the soft resin portion of clamping part G and holding part 3 begin to be pressed into chimeric (state of the B of Fig. 4), the minimum diameter L of the inwall 9a of soft resin portion, the minimum diameter M of the inwall 8a of hard system resin portion, the pass of the maximum outside diameter N of holding part 3 is L＜N＜M.Then, the negative thread portion 7 that is formed at the inwall of front end component 6 is screwed togather with the outer screw section 5 that is formed at the front end of shaft of a writing brush main body 2, obtain the shaft of a writing brush of a tool.Though diagram in the occasion as a tool, in the inside of the shaft of a writing brush, is not incorporated with the ball pen that ball-point pen tip is installed at front end.
Owing to will be formed at the protuberance 4 of holding part 3 of the shaft of a writing brush main body 2 of hard system resin, engage with the recess 8b on the inwall 8a of the hard system resin portion 8 that is formed at clamping part G, so carry out the location of clamping part G easily, in addition, because the inwall 9a of soft resin portion is pressed into the holding part 3 that is embedded in shaft of a writing brush main body 2, so prevent rocking and rotating of clamping part G really.
In addition, best, protuberance 4 on the holding part 3 of the shaft of a writing brush main body 2 that will be formed at hard system resin, after the recess 8b of the inwall 8a of the hard system resin portion 8 that is formed at clamping part G engaged beginning, the inwall 9a of soft resin portion 9 began to be pressed into the holding part 3 that is embedded in shaft of a writing brush main body 2, like this, can be before being pressed into, carry out the location of clamping part G, thus, be more prone to assembling.
Also have, best, by form the arbitrary end among the clamping part G by soft resin, preferably the end face 9b at two ends can keep soft resin portion 9 with compress mode when screwing togather front end component 6, even therefore under the inexact situation of dimensional accuracy, or, can between front end component 6 and clamping part G, not form the gap because of following change in size that the time produces etc.
Occasion at present embodiment, for convenience, the minimum diameter L of the inwall 9a of soft resin portion 9, the minimum diameter M of hard system resin portion 8, the pass of the maximum outside diameter N of holding part 3 is L＜N＜M, be formed at the protuberance 4 on the holding part 3, with be formed at hard system resin portion 8 on recess 8b begin to engage after, then, the inwall 9a of soft resin portion 9 is pressed into the holding part 3 of the shaft of a writing brush 1, though do not express in the drawings, the minimum diameter of inwall 9a that also can be by making soft resin portion 9, identical with the minimum diameter of hard system resin portion 8, the external diameter of the corresponding holding part 3 of inwall 9a of change and soft resin portion 9, with with the external diameter of the corresponding holding part 3 of inwall 8a of hard system resin portion 8, at the protuberance 4 that is formed on the holding part 3, with be formed at hard system resin portion 8 on recess 8b begin to engage after, the inwall 8a that makes resin portion 8 firmly is pressed into the holding part 3 of the shaft of a writing brush 1.
In addition, in the present embodiment, provide the example of installing with the protuberance 4 of holding section as clamping, provide as the example that is stuck the recess 8b of portion, but, be not limited to this, clamp the combination that also can adopt recess or protuberance and recess with the holding section is installed, be stuck portion and also can use the holding section, adopt the combination of protuberance or recess and protuberance corresponding to clamping to install.
In addition, in the present embodiment, the inwall 9a that is pressed into the soft resin portion 9 of holding part 3 is arranged at leading section, still, is not limited to this, also can be arranged at rearward end, pars intermedia.Such as, also can form following proposal, wherein, will carry out the above-mentioned part that is pressed into and be arranged at rearward end, the inwall 9a and the holding part 3 of the soft resin portion 9 of fore-end are not pressed into, and can compress by front end component 6.In addition, in the present embodiment, adopt the structure of holding part 3 and clamping part G interference fit, with soft resin portion 9 be arranged at the end structure the two, still, also can be the shaft of a writing brush 1 that only has any structure.
Application possibility on the industry
Also be applicable to the shaft of a writing brush is carried out the decoration of pen clip, character, pattern etc., the appointment of the position of the shaft of a writing brush and clamping part is indispensable application scenario.
Claims
(according to the modification of the 19th of treaty)
1. the shaft of a writing brush of (after the revisal) a kind of tool, this shaft of a writing brush comprises holding part and clamping part, this holding part has to clamp to install uses the holding section, the diameter of this holding part is less than the other parts of the shaft of a writing brush, this clamping part has with above-mentioned clamping installs the portion that is stuck that engages with the holding section, above-mentioned clamping is installed with holding section and the engaging of the above-mentioned portion of being stuck, and carries out circumferential location, and this clamping part is installed on the above-mentioned holding part;
Above-mentioned clamping part forms by the double-colored shaping of hard resin and soft resin, the part of above-mentioned hard resin is externally exposed, and in inside, above-mentioned hard resin and above-mentioned soft resin expose, on the above-mentioned hard resin that is to expose inside, form the above-mentioned portion that is stuck.
2. the shaft of a writing brush of a tool according to claim 1 is characterized in that this shaft of a writing brush has following clamping part, and promptly at least one axial end of above-mentioned clamping part forms by above-mentioned soft resin.
3. the shaft of a writing brush of a tool according to claim 1 and 2 is characterized in that this shaft of a writing brush has following clamping part, and promptly the inwall of the above-mentioned soft resin that exposes in inside is pressed into and is embedded in above-mentioned holding part, and above-mentioned clamping part is installed on the above-mentioned holding part.
4. the shaft of a writing brush of a tool according to claim 3 is characterized in that installing in above-mentioned clamping and uses the holding section, be formed at above-mentioned hard resin on the above-mentioned portion of being stuck begin to engage after, the inwall of above-mentioned soft resin begins to be pressed into the holding part that is embedded in the shaft of a writing brush.
5. according to the shaft of a writing brush of any one described the tool in the claim 1～4, it is characterized in that above-mentioned clamping part is formed by its color hard resin different with the shaft of a writing brush, its color and the shaft of a writing brush soft resin different with hard resin.
Claims (5)
1. the shaft of a writing brush of one kind of tool, this shaft of a writing brush comprises holding part and clamping part, this holding part has to clamp to install uses the holding section, the diameter of this holding part is less than the other parts of the shaft of a writing brush, this clamping part has with above-mentioned clamping installs the portion that is stuck that engages with the holding section, above-mentioned clamping is installed with holding section and the engaging of the above-mentioned portion of being stuck, and carries out circumferential location, and this clamping part is installed on the above-mentioned holding part;
Above-mentioned clamping part forms by the double-colored shaping of hard resin and soft resin, the part of above-mentioned hard resin is externally exposed, and in inside, above-mentioned hard resin and above-mentioned soft resin expose, on the above-mentioned hard resin that is to expose inside, form above-mentioned clamping installation and use the holding section.
2. the shaft of a writing brush of a tool according to claim 1 is characterized in that this shaft of a writing brush has following clamping part, and promptly at least one axial end of above-mentioned clamping part forms by above-mentioned soft resin.
3. the shaft of a writing brush of a tool according to claim 1 and 2 is characterized in that this shaft of a writing brush has following clamping part, and promptly the inwall of the above-mentioned soft resin that exposes in inside is pressed into and is embedded in above-mentioned holding part, and above-mentioned clamping part is installed on the above-mentioned holding part.
4. the shaft of a writing brush of a tool according to claim 3 is characterized in that installing in above-mentioned clamping and uses the holding section, be formed at above-mentioned hard resin on the above-mentioned portion of being stuck begin to engage after, the inwall of above-mentioned soft resin begins to be pressed into the holding part that is embedded in the shaft of a writing brush.
5. according to the shaft of a writing brush of any one described the tool in the claim 1～4, it is characterized in that above-mentioned clamping part is formed by its color hard resin different with the shaft of a writing brush, its color and the shaft of a writing brush soft resin different with hard resin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP283900/2003 | 2003-07-31 | ||
| JP2003283900 | 2003-07-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1832866A true CN1832866A (en) | 2006-09-13 |
| CN100475553C CN100475553C (en) | 2009-04-08 |
Family
ID=34113823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800223451A Expired - Fee Related CN100475553C (en) | 2003-07-31 | 2004-07-28 | Shaft tube for writing implement |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4364868B2 (en) |
| CN (1) | CN100475553C (en) |
| WO (1) | WO2005012001A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8775141B2 (en) | 2007-07-02 | 2014-07-08 | Schlumberger Technology Corporation | System and method for performing oilfield simulation operations |
| JP4831696B2 (en) * | 2007-11-14 | 2011-12-07 | 三菱鉛筆株式会社 | Writing instrument |
| CN103264591A (en) * | 2013-06-01 | 2013-08-28 | 南昌大学 | Pen with opening method changed |
| JP6324771B2 (en) * | 2014-03-14 | 2018-05-16 | ゼブラ株式会社 | Writing instrument |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2581871Y2 (en) * | 1993-07-14 | 1998-09-24 | プラス株式会社 | Anti-slip device for writing instruments |
| JP3010277U (en) * | 1994-10-18 | 1995-04-25 | ゼブラ株式会社 | Anti-slip device for gripping shaft |
| EP1227939A1 (en) * | 1999-11-02 | 2002-08-07 | Sanford L.P. | Deformable grip |
| JP3071682U (en) * | 2000-03-13 | 2000-09-14 | ミクロ株式会社 | Writing implement |
| JP2002002182A (en) * | 2000-06-22 | 2002-01-08 | Kotobuki:Kk | Grip for writing implement and writing shaft body |
| JP3620025B2 (en) * | 2001-07-23 | 2005-02-16 | ミクロ株式会社 | Writing instrument |
-
2004
- 2004-07-28 WO PCT/JP2004/010723 patent/WO2005012001A1/en active Application Filing
- 2004-07-28 CN CNB2004800223451A patent/CN100475553C/en not_active Expired - Fee Related
- 2004-07-28 JP JP2005512503A patent/JP4364868B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2005012001A1 (en) | 2007-09-27 |
| CN100475553C (en) | 2009-04-08 |
| WO2005012001A1 (en) | 2005-02-10 |
| JP4364868B2 (en) | 2009-11-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20160728 |
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| CF01 | Termination of patent right due to non-payment of annual fee |