Percussion tool

Details Percussion tool Percussion tool

2006-11-28

2006-11-28

Gerrity, Stephen F. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

Adjustable to impacting device

C173S115000, C173S216000, C173S217000

Reexamination Certificate

active

07140450

ABSTRACT:
A percussion tool is described and which includes a housing mounting a tool bit; a reciprocally moveable hammer borne by the housing and which is operable to repeatedly strike the tool bit; and a reciprocally moveable piston enclosed within the hammer and which imparts reciprocal movement to the reciprocally moveable hammer.

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Bosch Product Encyclopedia, www.boschtools.com, Oct. 1, 2003, pp. 1 and 2.

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