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
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