JPH0368787U - - Google Patents
Info
- Publication number
- JPH0368787U JPH0368787U JP13112589U JP13112589U JPH0368787U JP H0368787 U JPH0368787 U JP H0368787U JP 13112589 U JP13112589 U JP 13112589U JP 13112589 U JP13112589 U JP 13112589U JP H0368787 U JPH0368787 U JP H0368787U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- striking
- striker
- outer circumference
- gripping member
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
Landscapes
- Percussive Tools And Related Accessories (AREA)
Description
第１図は、本考案になる電気ハンマの空打装置
の一実施例を示す縦断側面図である。第２図は本
考案になる電気ハンマの工具が前進し空打防止装
置が働いた状態を示す縦断側面図である。第３図
は本考案になる把持部材の一実施例を示す拡大図
である。図において、１……工具、２……リテー
ナ、３……フロントカバ、４……把持部材、５…
…硬質層、６……シリンダケース、７……打撃子
、８……ピストン、９……中間子である。
FIG. 1 is a longitudinal sectional side view showing an embodiment of an electric hammer dry striking device according to the present invention. FIG. 2 is a longitudinal sectional side view showing a state in which the tool of the electric hammer according to the present invention is advanced and the dry striking prevention device is activated. FIG. 3 is an enlarged view showing one embodiment of the gripping member according to the present invention. In the figure, 1...tool, 2...retainer, 3...front cover, 4...gripping member, 5...
... hard layer, 6 ... cylinder case, 7 ... striking element, 8 ... piston, 9 ... meson.
Claims (1)
子を駆動し、工具に打撃を与える方式の打撃工具
であつて、工具を被削材より離した時、打撃子に
より打撃された工具が制限的に軸方向に移動可能
で、これに追随して、打撃子が、工具方向に移動
した時、打撃子外周部を嵌合把持する、円筒状把
持部材を有する打撃工具において、打撃子外周と
接する把持部材の内壁に異種金属の硬化層を設け
たことを特徴とする打撃工具の空打防止装置。 This is a striking tool that uses the reciprocating motion of a piston to drive a striking element through air to impact the tool, and when the tool is separated from the workpiece, the tool struck by the striking element is limited. In a striking tool having a cylindrical gripping member that is movable in the axial direction and that fits and grips the outer circumference of the striker when the striker moves in the direction of the tool, the outer circumference of the striker and the outer circumference of the striker fit together. A dry striking prevention device for a striking tool, characterized in that a hardened layer of different metals is provided on the inner wall of a gripping member that is in contact with the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13112589U JPH0368787U (en) | 1989-11-10 | 1989-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13112589U JPH0368787U (en) | 1989-11-10 | 1989-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0368787U true JPH0368787U (en) | 1991-07-08 |
Family
ID=31678650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13112589U Pending JPH0368787U (en) | 1989-11-10 | 1989-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0368787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207657A (en) * | 1998-01-29 | 1999-08-03 | Komatsu Ltd | Body of vibration generator |
| JP2008510628A (en) * | 2004-08-26 | 2008-04-10 | フォン、アークス、アクチェンゲゼルシャフト | Needle gun |
-
1989
- 1989-11-10 JP JP13112589U patent/JPH0368787U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11207657A (en) * | 1998-01-29 | 1999-08-03 | Komatsu Ltd | Body of vibration generator |
| JP2008510628A (en) * | 2004-08-26 | 2008-04-10 | フォン、アークス、アクチェンゲゼルシャフト | Needle gun |
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