JPS63172582U

JPS63172582U -

Info

Publication number: JPS63172582U
Application number: JP6657487U
Authority: JP
Priority date: 1987-04-30
Filing date: 1987-04-30
Publication date: 1988-11-09

Description

[Brief explanation of the drawing]

第１図は本考案の潤滑装置を含む電動式打撃工
具の全体断面図、第２図は第１図の―矢視断
面図、第３図は作動室近傍の拡大図、第４図〜第
６図はピストンおよびストライカの作動説明図、
第７図は異なる例の打撃工具の断面図である。１…工具本体、２…シリンダ、５…ピストン、
６…駆動手段、１８…ピストン前室、２０…油溜
部、２２…第１連通路、２３…作動室、２４…弁
部材、２５…第２連通路。 Fig. 1 is an overall sectional view of an electric impact tool including the lubricating device of the present invention, Fig. 2 is a sectional view taken along the - arrow in Fig. 1, Fig. 3 is an enlarged view of the vicinity of the working chamber, and Figs. Figure 6 is an explanatory diagram of the operation of the piston and striker;
FIG. 7 is a sectional view of a different example of a striking tool. 1...Tool body, 2...Cylinder, 5...Piston,
6... Drive means, 18... Piston front chamber, 20... Oil reservoir, 22... First communicating passage, 23... Working chamber, 24... Valve member, 25... Second communicating passage.

Claims

[Claims for Utility Model Registration] A cylinder formed within a tool body, a piston slidably provided within the cylinder, and a drive means for displacing the piston so as to be movable back and forth;
The electric impact tool has an oil reservoir in which lubricating oil for the piston is stored; a working chamber, a valve member slidably provided within the working chamber, and a valve member connected to a portion between the working chamber and the oil sump through the first communication passage and communicated with the cylinder. A lubrication device for an electric impact tool, comprising: a second communication path;