CN1364700A - Telescopic writing tool - Google Patents
Telescopic writing tool Download PDFInfo
- Publication number
- CN1364700A CN1364700A CN01145211A CN01145211A CN1364700A CN 1364700 A CN1364700 A CN 1364700A CN 01145211 A CN01145211 A CN 01145211A CN 01145211 A CN01145211 A CN 01145211A CN 1364700 A CN1364700 A CN 1364700A
- Authority
- CN
- China
- Prior art keywords
- writing implement
- gear
- handwriting
- barrel
- plunger
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
- B43K24/02—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions
- B43K24/023—Mechanisms for selecting, projecting, retracting or locking writing units for locking a single writing unit in only fully projected or retracted positions with a deformable barrel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
Landscapes
- Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
- Pens And Brushes (AREA)
Abstract
An expandable pen has a pen barrel with an expanding middle section. The pen barrel holds a retractable ball point pen refill cartridge When the pen is expanded, the writing, tip of the refill is extended from a retracted position inside the pen barrel to a writing position, while the barrel becomes full length for comfort when writing. The pen may be collapsed for storage, which simultaneously retracts the writing tip inside the pen barrel.
Description
Technical field
The present invention relates generally to the writing implement field, especially relates to a kind of novel and useful mechanism that writing position extends writing implement body length simultaneously that is used for reaching in the position that makes pencil from shrink in body.
Background technology
For all types of devices, Jin Cou pattern is more welcome than full-scale pattern sometimes, and this is because their shared spaces are less.Yet owing to various reasons, the device of some compact is useful like that not as the identical product of full-scale pattern.
In the occasion of writing implement, the pen of small size or minification for many people may be difficult to grip and use, and comprises the people and the bigger people of finger of aging people, children, body void.Simultaneously, take up space less pen or pencil is easier to be carried in pocket or the wallet.
Sometimes, the size of pen and pencil made with the other products that uses with them match, such as pocket pen or store golf pencil on the steering wheel of Caddy with date planner.Pen that these are less and pencil can not recharge, and use up the back at ink or pencil-lead and just must discard.The size of being convenient to deposit although these writing implements have compactness, they are comfortable inadequately when being used to write, and can run into the problem of using difficulty concerning some people.
As far back as 1875, A.T.Cross Company (exabyte) just developed the contraction type writing implement that has spiral groove and driven member in overlapping body portion.These writing implements have at least three mobile's parts, and they can relative to each other rotatably and longitudinally move to increase or to shorten the length of writing implement.Driven member pin in a part is corresponding with the spiral groove in another part, and like this, the end of this writing implement of tractive just can make mid portion rotation can make this utensil elongated and expose pencil simultaneously.
, U.S. Patent application No.09/688 that have co-inventor, that jointly await the reply application on October 6th, 2000, in 659, disclosed a kind of contraction type pen with cam mechanism, this cam mechanism is used for when the place ahead part is drawn back with the cover cover pencil being extended out.Cam can be driven towards the longitudinal sliding motion away from the direction of the place ahead part on handwriting by the cover cover.
People once attempted to provide handwriting telescopic pen, comprising a kind of extending to the pocket ball pen that uses more comfortable length, as United States Patent (USP) 3,174, were disclosed in 461.Its nib is exposed to outer and in can not the retraction handwriting all the time.Handwriting is separately to extend by two coaxial laps are slided simply.These two mutual frictional fit of lap.Below partial fixing nib and the ink source that is positioned at handwriting.Upper section below slip in the part, and have the end of a taper, this end grasps the top of ink source and separates fully with the below part to prevent upper section.Be with a upper shield on the upper section, the lower edge of this upper shield is resisted against the upper limb of below part.
United States Patent (USP) 3,709,620 have disclosed a kind of ball pen, and its handwriting can be extended and as indicating bar.This handwriting is formed by a series of telescopic tubes, and their supportings are also held nib and ink source.Its nib can stretch out or the retraction handwriting by a spring load operation button that is positioned at the handwriting top.This button has the horizontal channel that a band spring loads slide block, and this slide block has a protuberance, and when by press push button, this protuberance is pressed into the opening in the upper sleeve sidepiece, thereby maintains button and nib is stretched out.One top that is installed in the clip in the upper sleeve outside is pressed on this protuberance, protuberance and slide block can be pushed back into button, thereby button is discharged from pressing position.Then, button spring can upwards push back button, thus the withdrawal nib.
In this pen, though nib can be withdrawn, it needs relatively complicated spring and slide block structure, and needs a clip.The mechanism of stretching/contract of nib does not combine with the elongation of device yet.When with all sleeve pipe elongations and as indicating bar, nib just can not reach the nib outside.
United States Patent (USP) 5,061,104 have disclosed a kind of collapsible ball pen.This pen is hinged in its nearly centre, and is provided with a groove in the part above it, and the below part that contains nib and ink tank can be folded in the sidepiece of upper section with flushing.Its nib is a regracting not.
Problems of these existing pens are, or are that nib exposes all the time, need to use the pen cap, or are that the danger that careless mark takes place is arranged.Pen is non-exchange; In case ink uses up, device just can only throw away also whole change one new.
Summary of the invention
One object of the present invention is to provide a kind of and can be at an easy rate be elongated to the long writing implement of writing size from the storage dimensions of compactness.
Another object of the present invention is to provide a kind of writing implement, it has a mechanism at writing implement scalable pencil when the storage dimensions of compactness is elongated to full-scale user mode.
Therefore, a kind of telescopic pen has a shaft of a writing brush, and this shaft of a writing brush has a cover cover, and this cover cover becomes the long and narrow user mode that can expose mid portion from a collapse state longitudinal extension that covers a mid portion.The shaft of a writing brush maintains a telescopic hand double change-fountain pen core barrel.When pen extended, the pencil of refill barrel was elongated to a writing position from a position that shrinks in the shaft of a writing brush, and the shaft of a writing brush becomes the overall length of being convenient to write simultaneously.
This has a place ahead part that is fixed in a handwriting, and this handwriting has a cover cap packing, and when pen was in the shortening state, this cover cap packing was enclosed within slidably on the handwriting and with the front part branch and matches.One decorates upper shield can be placed on cover cap packing top and go up with the end that closes pen and form a cover cover.The refill barrel is installed in the chamber that is formed by the place ahead part, handwriting and cover cap packing, and remains on a nib end by a helical spring.One gear is installed on the handwriting, and have two groups with described cover cap packing in track and be positioned at two groups of gear teeth that second track on the plunger on the described refill barrel end is meshed.Leave the front part timesharing when the cover cover slides backward, described gear can rotate between described track and proportional track.Expose pencil thereby the gear teeth of the different size on described gear can change the sliding motion of described cover cover in proportion and make it become moving more by a small margin of plunger to force barrel and helical spring to compress downwards.Like this, the pencil on the barrel stretches out for using, and the length of pen elongation simultaneously is to be used for more comfortable writing.
The various features that make the present invention have novelty specifically indicate in the appended claims of a part that constitutes this announcement.In order to understand the advantage in the present invention, its work better and to use the specific purposes that it realizes, can and content be described with reference to accompanying drawing, wherein show a preferred embodiment of the present invention.
Description of drawings
In the accompanying drawing:
Fig. 1 is that writing implement of the present invention is in and uses or cutaway view is looked on the left side of opening;
Fig. 2 is that the writing implement of Fig. 1 is in and folds or cutaway view is looked on the right side of storing state;
Fig. 3 is the vertical view cutaway drawing of the writing implement of Fig. 1;
Fig. 4 is that stereogram is looked, looked closely on forward sight, the left side of the refitting formula plunger that uses in the writing implement of Fig. 1; And
Fig. 5 is the side view of the gear that uses in the writing implement of Fig. 1.
The specific embodiment
Consult accompanying drawing below, wherein identical label is used for representing same or analogous part, and Fig. 1 represents writing implement of the present invention, and it is an expansion ball pen 50.As shown in fig. 1, pen 50 is in a user mode that stretches, and the pencil 10 of refill 65 passes nib and stretches out.When pencil stretched out, refill 65 was pressed against spring 15 on the inner surface of the place ahead part 20.Handwriting 40 is by at the threaded connector 45 of one end and be fixed in the place ahead part 20.Overlap the other end that cap packing 30 is slidably mounted on the handwriting 40, is positioned at handwriting.Cover cap packing 30 is preferably covered or is formed an integral body by decorating the upper shield (not shown).For convenience's sake, only show cover cap packing 30 among the figure, but should be understood that, and overlap in this article that cap packing 30 can refer to have the monoblock type upper shield of same characteristic features or by upper shield and the cover sub-assembly that cap packing constituted.
The place ahead part 20, handwriting 40, nib 60 and cover cap packing 30 form the chamber that is used for keeping refill barrel 65.The upper limb that helical spring 15 is tight against nib 60 forwardly in the part 20 supports the bottom of refill barrel 65.When pen 50 cover contracted, spring 15 has to be forced refill barrel 65 to leave nib 60 and makes it remain on the trend of a retracted position.
At Fig. 2 and the described storing state of Fig. 3, the place ahead part 20 matches with cover cap packing 30, thereby forms a pen 50 that shorten, roughly cylindrical.
Fig. 1-Fig. 3 shows pen all members of 50 and is connected with the inside of stretching out when pen 50 with the gear mechanism that overlaps the refill barrel 65 that is used for when contracting stretching, contract.
Match with corresponding stop slit 47,48 be formed on handwriting 40 at the on-slip protuberance 32 of cover on the cap packing 30, remain on and help to make 50 to remain on a collapse state on the handwriting 40 and when storing thereby when handwriting 40 is extended, will overlap cap packing 30 and upper shield.As required, by spurring or promoting described cover cover, can make on-slip protuberance 32 and slit 47,48 throw off engagement.
Gear mechanism depends on the interaction of gear 70 and plunger 90 and upper shield liner 30.
As can be seen from Fig. 4, plunger has the track 95 that the opposite side from a promotion face 97 extends out.Promotion face 97 is arranged on the inner surface of handwriting to tightly suppress the end of refill barrel 65.A pair of guide 92 is arranged on the side of plunger 90, and is corresponding with the pair of tracks 43 in the handwriting side.Guide 92 can prevent the position of plunger at inner rotation of pen and change plunger track 95.
Fig. 5 shows gear 70, and it has one group of major diameter tooth 77 that is meshed with upper shield track 35 and one group of minor diameter tooth 75 that is meshed with plunger track 95.This two groups of teeth 75,77 are concentric with respect to gear hub 72.
See also Fig. 1-Fig. 3 again, can see that gear 70 is installed on the end of handwriting 40 by the gear hub 72 of axle bearing groove 42 inside that remain on handwriting 40.Pull back backward from retracted position and make pen 50 elongations when using when overlapping cover (cover cap packing 30 and an ornamental upper shield), the interaction of two groups of gear tooths 75,77 and two tracks 32,95 can force plunger 90 to move forward towards nib 60.Plunger 90 is pressed on the refill barrel 65 subsequently, forces it to abut against spring 15 and pencil 10 to stretch out from nib 60.
The specific ratio of the diameter of two groups of gear tooths 75,77 can according to the cover cover removable to arrive that the distance that is engaged in the extended position in the slit 48 at this place on-slip part 32 must move with refill 65 so that pencil 10 extends to distance recently definite of a use location.The preferred range of the ratio of major diameter and minor diameter is between 5: 1 and 1: 1, though this ratio can be greater than 5: 1.At 1: 1 ratio was in the situation that operating position received, gear can have one group with two tracks meshed gears gear teeth all.
Contract in order to make pen 50 begin cover, can come pushes against sleeve cap packing 30 towards nib 60 from writing position, until stop protuberance 32 throw off engagement with slit 48 and begin to slide fold till.When cover cap packing 30 slipped back to stowed position, gear 70 was done reverse rotation, thereby plunger 90 is moved thus towards the direction away from nib 60 pressure is removed from the end of refill barrel 65.Then, spring 15 forces refill barrel 65 to be got back in the handwriting 40 until cover cap packing 30 is resisted against on the place ahead part 20 and stop protuberance 32 is engaged in the slit 47 with till pen 50 being remained on collapse state.Just can make subsequently in the pencil 10 complete retraction nibs 60 to store.
As adopting spring 15 to get back to another kind of scheme in the handwriting 40, plunger can be pushed the end that face 97 is fixed in the refill barrel to force refill barrel 65 when contracting at pen 50 covers.Plunger 90 just can push refill barrel 65 in the handwriting 40 like this.By making opening 99 frictional fit above the tapered end of refill barrel 65, can make plunger 90 be fixed in refill barrel 65.Perhaps, can adopt bonding agent this plunger pushing face to be fixed in the end of refill barrel 65.
If will keep in repair to pen 50, by unscrewing the part 42 that is threaded between the place ahead part 20 and the handwriting 40, the core tube 65 that taking-up uses up and change one new, can change refill barrel 65.The place ahead part 20 can reconnect with handwriting 40, and resembles and use pen 50 above-mentioned.
Use this pen 50, the writing implement of a compactness promptly can be elongated to a bigger state of writing, nib 10 is stretched out for use.
The pen 50 of disposable if desired use formula can fuse into an integral body with the place ahead part 20 and handwriting 40, rather than connect with threaded portion.Equally, nib 10 can form one with the place ahead part 20, as a single-piece, rather than the member that separates.
Use term " refill barrel " to be meant any self-contained disposable use unit here, it has a writing material source and is used for producing with writing material witness marking on paper or other material mark head.The refill barrel can be thrown aside with pen, also can take out from pen and changes.
Though above detailed expression and described a specific embodiment of the present invention so that the application of principle of the present invention to be described, is appreciated that the present invention can otherwise implement and do not deviate from this principle.
Claims (20)
1. one kind can be elongated to the long writing implement of writing size from the storage dimensions of compactness, and this writing implement comprises:
One handwriting, it has the place ahead part with a nib at an end place of handwriting, and has one second end;
One upper shield, it is slidably mounted on second end of described handwriting, and described handwriting and described upper shield form a hollow chamber;
One remains on the refill barrel in the described hollow chamber with longitudinal movement, and described barrel has a pencil at one end place;
Geared system, be used for when the nib on the described handwriting slides off an extended position, making described refill barrel in described hollow chamber, overcome spring action described upper shield and vertically moving, so that described pencil reaches a mark position by described nib towards described nib.
2. writing implement as claimed in claim 1 is characterized in that, it also comprises the stop protuberance device that described handwriting and described upper shield is remained on releasedly one of extended position and stowed position.
3. writing implement as claimed in claim 2 is characterized in that, described geared system comprises: one has the plunger of plunger teeth wheel track, and described plunger contacts with the barrel end that is positioned at described pencil opposite; One is positioned at second gear track of described upper shield; An and gear that is rotatably installed in the described chamber and is meshed with described plunger teeth wheel track and described second gear track.
4. writing implement as claimed in claim 3 is characterized in that, described gear has two groups of gear tooths, that is, and and the first group of gear teeth that is meshed with described plunger track and the second group of gear teeth that is meshed with described upper shield track.
5. writing implement as claimed in claim 4 is characterized in that, second diameter of described second group of gear tooth and first diameter ratio of described first group of gear tooth are between 5: 1 and 1: 1.
6. writing implement as claimed in claim 5 is characterized in that, it comprises that also one is engaged on the biasing spring between described refill barrel and the described nib.
7. writing implement as claimed in claim 6 is characterized in that, described the place ahead part can be separated with described handwriting.
8. writing implement as claimed in claim 6 is characterized in that, described refill barrel is removable.
9. writing implement as claimed in claim 3 is characterized in that, it comprises that also one is engaged on the biasing spring between described refill barrel and the nib.
10. writing implement as claimed in claim 9 is characterized in that, described the place ahead part can be separated with described handwriting.
11. writing implement as claimed in claim 9 is characterized in that, described refill barrel is removable.
12. writing implement as claimed in claim 1 is characterized in that, described geared system comprises: one has the plunger of plunger teeth wheel track, and described plunger contacts with the barrel end that is positioned at described pencil opposite; One is positioned at second gear track of described upper shield; An and gear that is rotatably installed in the described chamber and is meshed with described plunger teeth wheel track and described second gear track.
13. writing implement as claimed in claim 12 is characterized in that, described gear is installed on the described handwriting.
14. writing implement as claimed in claim 13 is characterized in that, described gear has two groups of gear tooths, that is, and and the first group of gear teeth that is meshed with described plunger track and the second group of gear teeth that is meshed with described upper shield track.
15. writing implement as claimed in claim 14 is characterized in that, second diameter of described second group of gear tooth and first diameter ratio of described first group of gear tooth are between 5: 1 and 1: 1.
16. writing implement as claimed in claim 15 is characterized in that, it comprises that also one is engaged on the biasing spring between described refill barrel and the described nib.
17. writing implement as claimed in claim 14 is characterized in that, described the place ahead part can be separated with described handwriting.
18. writing implement as claimed in claim 14 is characterized in that, described refill barrel is removable.
19. writing implement as claimed in claim 1 is characterized in that, described the place ahead part can be separated with described handwriting.
20. writing implement as claimed in claim 1 is characterized in that, described refill barrel is removable.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75715201A | 2001-01-09 | 2001-01-09 | |
| US09/757,152 | 2001-01-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1364700A true CN1364700A (en) | 2002-08-21 |
Family
ID=25046578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01145211A Pending CN1364700A (en) | 2001-01-09 | 2001-12-26 | Telescopic writing tool |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1221383A1 (en) |
| JP (1) | JP2002264581A (en) |
| KR (1) | KR20020060087A (en) |
| CN (1) | CN1364700A (en) |
| CA (1) | CA2366276A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878245A (en) * | 2019-03-07 | 2019-06-14 | 湖北工业大学 | A kind of mechanical pencil that can release and automatically retract automatically pen core |
| CN112590424A (en) * | 2020-12-17 | 2021-04-02 | 杭州简弈科技有限公司 | Mechanical gear pen |
| CN114987084A (en) * | 2021-03-01 | 2022-09-02 | 许可欣 | Pen capable of adapting to various refill lengths |
| CN116512794A (en) * | 2023-01-14 | 2023-08-01 | 温州市蓝图文具有限公司 | Pen with telescopic pen core |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50204317D1 (en) * | 2002-01-18 | 2006-02-02 | Herlitz Pbs Ag | writing implement |
| KR100676741B1 (en) * | 2005-01-17 | 2007-01-31 | 주식회사 모리스 | Screw-type writing instrument having expansion and contraction |
| US9464655B2 (en) | 2012-10-26 | 2016-10-11 | United Technologies Corporation | Push-lock pin |
| US9523502B2 (en) | 2013-03-11 | 2016-12-20 | United Technologies Corporation | Low profile push-lock device |
| US9568036B2 (en) | 2013-03-11 | 2017-02-14 | United Technologies Corporation | Push-lock pin connector |
| US9664389B2 (en) | 2013-12-12 | 2017-05-30 | United Technologies Corporation | Attachment assembly for protective panel |
| US11795983B2 (en) | 2017-06-30 | 2023-10-24 | Zephyros, Inc. | Pultruded telescoping arm device |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB613722A (en) * | 1946-06-28 | 1948-12-02 | Stephen Arnold Marples | Improvements in holders for writing implements, erasers, knife blades or other articles |
| US3174461A (en) | 1963-05-02 | 1965-03-23 | Joseph B Pompa | Miniaturized extensible and retractable pen |
| US3709620A (en) | 1970-04-16 | 1973-01-09 | N Miyamoto | Ball-point pen convertible for use as a pointer |
| US3989392A (en) * | 1975-01-21 | 1976-11-02 | Revlon, Inc. | Dispensing device |
| DE8301410U1 (en) * | 1983-01-20 | 1983-05-26 | Berendsohn Ag, 2000 Hamburg, De | WRITING DEVICE |
| DE8901868U1 (en) | 1989-02-17 | 1989-04-13 | Florjancic, Peter, 8109 Wallgau | Foldable flat ballpoint pen |
| DE9006572U1 (en) * | 1990-06-11 | 1990-11-15 | Wilhelm Mack "Siwak System-Werbung, Herstellung, Groß- und Einzelhandel, Im- und Export von Werbe- und Geschenkartikeln sowie Handelswaren", 6492 Sinntal | Writing instrument |
| DE4237536C2 (en) * | 1992-11-06 | 1997-02-06 | Thomas Ophardt | Writing instrument |
| US6022161A (en) * | 1998-06-29 | 2000-02-08 | Choi; Man Soo | Variable-length applicator |
-
2001
- 2001-12-26 CN CN01145211A patent/CN1364700A/en active Pending
- 2001-12-27 CA CA002366276A patent/CA2366276A1/en not_active Abandoned
-
2002
- 2002-01-04 EP EP02250045A patent/EP1221383A1/en not_active Withdrawn
- 2002-01-08 KR KR1020020000930A patent/KR20020060087A/en not_active Application Discontinuation
- 2002-01-09 JP JP2002002545A patent/JP2002264581A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878245A (en) * | 2019-03-07 | 2019-06-14 | 湖北工业大学 | A kind of mechanical pencil that can release and automatically retract automatically pen core |
| CN112590424A (en) * | 2020-12-17 | 2021-04-02 | 杭州简弈科技有限公司 | Mechanical gear pen |
| CN114987084A (en) * | 2021-03-01 | 2022-09-02 | 许可欣 | Pen capable of adapting to various refill lengths |
| CN116512794A (en) * | 2023-01-14 | 2023-08-01 | 温州市蓝图文具有限公司 | Pen with telescopic pen core |
| CN116512794B (en) * | 2023-01-14 | 2024-04-26 | 温州市蓝图文具有限公司 | Pen with telescopic pen core |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2366276A1 (en) | 2002-07-09 |
| EP1221383A1 (en) | 2002-07-10 |
| KR20020060087A (en) | 2002-07-16 |
| JP2002264581A (en) | 2002-09-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |