Resistance cylinder for an exerciser

Description

FIG. 1 is a perspective view of resistance cylinder for an exerciser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof, in an extruded position.

Referenced Cited
U.S. Patent Documents
D123687 November 1940 Beecher
D230723 March 1974 Cowan
D262959 February 9, 1982 Cowan
4736944 April 12, 1988 Johnson et al.
4772016 September 20, 1988 Manion
4943049 July 24, 1990 Lo
5129450 July 14, 1992 Hung
5180353 January 19, 1993 Snyderman
5222927 June 29, 1993 Chang
5236407 August 17, 1993 Wang
5261867 November 16, 1993 Chen
Patent History
Patent number: D357951
Type: Grant
Filed: Jan 3, 1994
Date of Patent: May 2, 1995
Inventor: Ping Chen (Taichung City)
Primary Examiner: Prabhakar G. Deshmukh
Assistant Examiner: Philip Hyder
Law Firm: Ladas & Parry
Application Number: 0/17,005
Classifications
Current U.S. Class: D21/191