JPH023380U

JPH023380U -

Info

Publication number: JPH023380U
Application number: JP7749988U
Authority: JP
Priority date: 1988-06-10
Filing date: 1988-06-10
Publication date: 1990-01-10

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す電気ハンマの
先端工具保持装置の横断面図、第２図は第１図の
正面図、第３図は従来の電気ハンマの先端工具保
持装置の横断面図、第４図は第３図の正面図であ
る。１は先端工具、２は工具保持部材、３はフロン
トカバ、４はピン、５はプツシユボタン、５ａは
円形突起、５ｂは円形突起面、５ｃは把つ手部、
６はスプリング。 Fig. 1 is a cross-sectional view of an electric hammer tip tool holding device showing an embodiment of the present invention, Fig. 2 is a front view of Fig. 1, and Fig. 3 is a cross-sectional view of a conventional electric hammer tip tool holding device. The top view, FIG. 4, is a front view of FIG. 3. 1 is a tip tool, 2 is a tool holding member, 3 is a front cover, 4 is a pin, 5 is a push button, 5a is a circular projection, 5b is a circular projection surface, 5c is a gripping hand,
6 is the spring.

Claims

[Scope of utility model registration request]

a tool holding member rotatably attached to a front cover that covers the front part of the power tool in a direction perpendicular to the shaft; a tip tool fitted into the tool holding member;
A push button is disposed within the front cover and has a circular protrusion that engages with a recess provided at an end of the tool holding member, and suppresses rotation of the tool holding member, and the push button is pressed. In the tip tool holding device for a power tool, the tip tool is removed by disengaging the circular protrusion of the push button from the recess of the tool holding member. A tip tool holding device for a power tool, characterized in that a gripping hand portion for operating the push button is formed in a portion that does not come into contact with the end portion of the tool holding member that rotates when engaged and disengaged.