JPH01138680U - - Google Patents
Info
- Publication number
- JPH01138680U JPH01138680U JP3289988U JP3289988U JPH01138680U JP H01138680 U JPH01138680 U JP H01138680U JP 3289988 U JP3289988 U JP 3289988U JP 3289988 U JP3289988 U JP 3289988U JP H01138680 U JPH01138680 U JP H01138680U
- Authority
- JP
- Japan
- Prior art keywords
- chisel
- spacer
- breaker
- ring
- male thread
- 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
Links
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第１図はこの考案の一実施例を示す横断平面図
、第２図は同上一部の拡大側面図、第３図はブレ
ーカの一部縦断正面図、第４図、第５図は従来の
係止ピンの一部を示す一部縦断側面図。
１……ブレーカ本体、２……チゼルホルダ、６
……係止ピン、７……大径頭部、１３，１６，２
１……係合部、１４……雄ネジ、１５……スペー
サ、１７……ナツト、１８……回止部材、１９，
２０……凹凸。
Fig. 1 is a cross-sectional plan view showing one embodiment of this invention, Fig. 2 is an enlarged side view of a part of the same as above, Fig. 3 is a partially longitudinal sectional front view of the breaker, and Figs. 4 and 5 are the conventional breaker. FIG. 3 is a partially longitudinal side view showing a portion of the locking pin. 1... Breaker body, 2... Chisel holder, 6
... Locking pin, 7 ... Large diameter head, 13, 16, 2
1... Engaging portion, 14... Male thread, 15... Spacer, 17... Nut, 18... Rotating member, 19,
20...Unevenness.
Claims (1)
に、チゼル係止ピンを着脱自在に装着したブレー
カにおいて、チゼル係止ピンを、一端に大径頭部
、他端に雄ネジを有するものとし、雄ネジ部の基
部にはリング状のスペーサを回転不可に嵌装し、
このスペーサと雄ネジに螺合せしめたナツトの間
には弾性材料からなるリング状の回止部材を嵌装
し、上記スペーサとナツトの回止部材に接触する
面に凹凸を設けたことを特徴とするブレーカのチ
ゼル係止装置。 (2) 上記リング状の回止部材の両端面に、上記
スペーサおよびナツトの凹凸に対応する凹凸を設
けたことを特徴とする請求項１記載のブレーカの
チゼル係止装置。[Scope of Claim for Utility Model Registration] (1) In a breaker in which a chisel locking pin is detachably attached to a chisel holder provided at the lower end of the breaker body, the chisel locking pin has a large diameter head at one end and a large diameter head at the other end. It has a male thread, and a ring-shaped spacer is fitted at the base of the male thread so that it cannot rotate.
A ring-shaped locking member made of an elastic material is fitted between the spacer and the nut screwed onto the male thread, and unevenness is provided on the surfaces of the spacer and the nut that contact the locking member. Chisel locking device for breaker. (2) The chisel locking device for a breaker according to claim 1, wherein both end faces of the ring-shaped rotation preventing member are provided with projections and depressions corresponding to the projections and depressions of the spacer and the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3289988U JPH01138680U (en) | 1988-03-12 | 1988-03-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3289988U JPH01138680U (en) | 1988-03-12 | 1988-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138680U true JPH01138680U (en) | 1989-09-21 |
Family
ID=31259499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3289988U Pending JPH01138680U (en) | 1988-03-12 | 1988-03-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138680U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS441145Y1 (en) * | 1965-07-31 | 1969-01-17 | ||
| JPS4820830U (en) * | 1971-07-19 | 1973-03-09 | ||
| JPS4830758U (en) * | 1971-08-18 | 1973-04-14 |
-
1988
- 1988-03-12 JP JP3289988U patent/JPH01138680U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS441145Y1 (en) * | 1965-07-31 | 1969-01-17 | ||
| JPS4820830U (en) * | 1971-07-19 | 1973-03-09 | ||
| JPS4830758U (en) * | 1971-08-18 | 1973-04-14 |