Striking tool

Details Striking tool Striking tool

2005-09-06

2005-09-06

Smith, Scott A. (Department: 3721)

Tool driving or impacting

Impacting devices

Hammer head driven by pulsating fluid pressure

C173S048000, C173S210000

Reexamination Certificate

active

06938705

ABSTRACT:
A projected portion provided at a cylinder and projected in a radius direction is formed at an end face thereof on a side of a tool holding portion, and a holding portion on one side of holding portions for holding an outer periphery of the cylinder by at least two portions remote from each other in an axial direction to position in the radius direction of the cylinder is configured by a guide face having an inner diameter of a dimension substantially the same as an outer diameter of the projected portion and extended over to a contact face brought into contact with the projected portion from an end face of a cylinder case on a side of the tool holding portion.

REFERENCES:
patent: 4113035 (1978-09-01), Stiltz et al.
patent: 4442906 (1984-04-01), Simpson
patent: 4750567 (1988-06-01), Grossmann et al.
patent: 5775440 (1998-07-01), Shinma
patent: 5873418 (1999-02-01), Arakawa et al.
patent: 6035945 (2000-03-01), Ichijyou et al.
patent: 6484814 (2002-11-01), Bongers-Ambrosius
patent: 6568484 (2003-05-01), Schmid et al.
patent: 6644418 (2003-11-01), Haga
patent: 6675908 (2004-01-01), Frauhammer et al.
patent: 6763897 (2004-07-01), Hanke et al.
patent: 2003-300180 (2003-10-01), None

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