Twisting exercise apparatus

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Description

FIG. 1 is a front elevational view of a twisting exercise apparatus showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view thereof;

Referenced Cited
U.S. Patent Documents
D349931 August 23, 1994 Bostic et al.
D352980 November 29, 1994 Wu
D358182 May 9, 1995 Yang
D362479 September 19, 1995 Destasio, Jr.
4505476 March 19, 1985 Rubin
4638996 January 27, 1987 Simjian
4953858 September 4, 1990 Zelli
5284461 February 8, 1994 Wilkinson et al.
Patent History
Patent number: D380508
Type: Grant
Filed: Feb 7, 1996
Date of Patent: Jul 1, 1997
Inventor: Hsun-Fang Chang (Yuan Lin Town, Changhua)
Primary Examiner: Philip S. Hyder
Application Number: 0/50,044
Classifications
Current U.S. Class: D21/193
International Classification: 2102;