Air cylinder apparatus for a pneumatically driven power tool

Details Air cylinder apparatus for a pneumatically driven power tool Air cylinder apparatus for a pneumatically driven power tool

1999-08-26

2000-05-09

Smith, Scott A.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

173 93, 173218, B25D 1500, B25B 1900

Patent

active

060590491

ABSTRACT:
An air cylinder apparatus for a pneumatically driven power tool includes a unitary outer cylinder member, which has a bearing plate and a hollow cylindrical wall. A cylindrical chamber is formed eccentrically in the cylindrical wall. A bearing member is mounted removably on an end of the cylindrical wall. A cylindrical inner wall member is press fitted within the cylindrical wall of the outer cylinder member, and has two spaced adjacent axial sides that define an open-ended axial slot therebetween. The inner wall member can be compressed in a radial direction for removal from the outer cylinder member. Because the outer cylinder member is molded, the power tool can be manufactured easily and conveniently.

REFERENCES:
patent: 4836296 (1989-06-01), Biek
patent: 5611404 (1997-03-01), Biek et al.
patent: 5704434 (1998-01-01), Schoeps
patent: 5836401 (1998-11-01), Hsiu-Tsu
patent: 5954141 (1999-09-01), Li et al.

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