JP2021013425A5 - Gut clamp mechanism - Google Patents
Gut clamp mechanism Download PDFInfo
- Publication number
- JP2021013425A5 JP2021013425A5 JP2019128236A JP2019128236A JP2021013425A5 JP 2021013425 A5 JP2021013425 A5 JP 2021013425A5 JP 2019128236 A JP2019128236 A JP 2019128236A JP 2019128236 A JP2019128236 A JP 2019128236A JP 2021013425 A5 JP2021013425 A5 JP 2021013425A5
- Authority
- JP
- Japan
- Prior art keywords
- clamp
- lock pin
- fixing lever
- pin
- gut
- 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
Links
- 230000000149 penetrating effect Effects 0.000 claims 1
Claims (3)
前記クランプ台上に立設した支持ポストと、
前記支持ポストの上端部に設けたガットを挟持する一対の挟持体と、
前記一対の挟持体を開閉するクランプハンドルとを備え、テニスラケット等のガット張り装置を構成するガットクランプ機構において、
前記支持ポストは、円柱体と、これを摺動自在に嵌挿する円筒体とからなり、
前記クランプ台は、
前記支持ポストの前記円柱体が前端側に立設される本体部と、
前記本体部を前記レールに対して固定するためのクランプ台固定レバーと、
落下した前記円筒体の下端が接触する位置に出没自在に設けられるロックピンと、
前記ロックピンの上端が常時突出するように附勢するコイルバネと、
前記クランプ台固定レバーの下面に設けられて前記ロックピンの上端が嵌まることで前記クランプ台固定レバーをロックする切欠きと、
前記クランプ台固定レバーにおける前記切欠きの位置に上下方向移動自在に貫設され、前記ロックピンの上端に下端が接触するロック解除操作ピンと、
前記ロック解除操作ピンを加圧押下する加圧機構とを備え、
前記ロックピンに対する落下した前記円筒体の接触及び前記ロック解除操作ピンの加圧押下によって、前記ロックピンが押し下げられて前記切欠きから外れることで、前記クランプ台固定レバーがロック解除され、
前記加圧機構は、
前記本体部の前端側に立設した一対の支持杆と、
前記一対の支持杆に前方側の端部を回動支点として上下方向に回動するよう枢着され、前記ロック解除操作ピンに適宜の加圧力を得られる長さにすべく前記ロック解除操作ピンが下面にて接触する位置よりも後方側に延出させた加圧板と、
前記加圧板と前記クランプ台固定レバーとの間に縮設した拡圧コイルバネとからなることを特徴とするガットクランプ機構。 A clamp base movable along the rail,
a support post erected on the clamp table;
a pair of clamping bodies for clamping the gut provided at the upper end of the support post;
A string clamp mechanism comprising a string tensioning device for a tennis racket or the like, comprising a clamp handle for opening and closing the pair of clamping bodies,
The support post comprises a cylindrical body and a cylindrical body into which it is slidably inserted,
The clamp base is
a main body on which the columnar body of the support post is erected on a front end side;
a clamp base fixing lever for fixing the main body to the rail;
a lock pin provided so as to be retractable at a position where the lower end of the dropped cylindrical body contacts;
a coil spring that biases the lock pin so that the upper end of the lock pin always protrudes;
a notch that is provided on the lower surface of the clamp table fixing lever and locks the clamp table fixing lever by fitting the upper end of the lock pin;
an unlocking operation pin vertically movably penetrating through the position of the notch in the clamp base fixing lever, the lower end of which contacts the upper end of the lock pin;
a pressurizing mechanism that pressurizes and presses the unlocking operation pin,
The clamp table fixing lever is unlocked by the lock pin being pushed down and removed from the notch by the contact of the dropped cylindrical body with the lock pin and the pressing of the lock release operation pin,
The pressure mechanism is
a pair of support rods erected on the front end side of the main body;
The unlocking operation pin is pivotally attached to the pair of support rods so as to rotate vertically with the front end as a pivot point, and the unlocking operation pin has a length that allows an appropriate pressure to be applied to the unlocking operation pin. A pressure plate extending rearward from the position where the lower surface contacts,
A gut clamp mechanism comprising an expansion coil spring contracted between the pressure plate and the clamp base fixing lever .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019128236A JP7280131B2 (en) | 2019-07-10 | 2019-07-10 | Gut clamp mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019128236A JP7280131B2 (en) | 2019-07-10 | 2019-07-10 | Gut clamp mechanism |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2021013425A JP2021013425A (en) | 2021-02-12 |
| JP2021013425A5 true JP2021013425A5 (en) | 2022-08-08 |
| JP7280131B2 JP7280131B2 (en) | 2023-05-23 |
Family
ID=74530882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019128236A Active JP7280131B2 (en) | 2019-07-10 | 2019-07-10 | Gut clamp mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP7280131B2 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58198808A (en) * | 1982-05-17 | 1983-11-18 | 富士通株式会社 | Snap action switch |
| US5090697A (en) * | 1991-03-22 | 1992-02-25 | Poreex Industrial Co., Ltd. | Racket frame stringing machine |
| JP4044384B2 (en) * | 2002-03-15 | 2008-02-06 | 明 土田 | Gut clamp mechanism in gut tension devices such as tennis rackets |
| JP2006055973A (en) * | 2004-08-23 | 2006-03-02 | Atsuo Takanishi | Self-weight bearing device, bipedal walking robot with the same, and control structure therefor |
| JP2007244780A (en) * | 2006-03-17 | 2007-09-27 | Yatsunami Seisakusho:Kk | Gut clamping mechanism and gut stringer |
| US8066593B2 (en) * | 2007-04-11 | 2011-11-29 | Wilson Sporting Goods Co. | Customized racquet stringing system and method |
| JP2010263988A (en) * | 2009-05-13 | 2010-11-25 | Nakasu Denki Kk | Tablet unwrapping device |
-
2019
- 2019-07-10 JP JP2019128236A patent/JP7280131B2/en active Active
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