Hoist chair

- Arjo Limited
Description

FIG. 1 is a perspective view of a hoist chair, showing my new design in raised position;

FIG. 2 is a left side elevational view in a lowered position thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevational view in the raised position thereof;

FIG. 6 is a right side elevational view in the raised position thereof;

FIG. 7 is a left side elevational view in the raised position thereof; and,

FIG. 8 is a rear elevational view in the raised position thereof.

Referenced Cited
U.S. Patent Documents
D249205 September 5, 1978 Spencer
D254345 March 4, 1980 Labor
D278668 May 7, 1985 Sempkins
D279437 July 2, 1985 Downey, Jr.
3078475 February 1963 Turner
3103384 September 1963 Zivi
3123400 March 1964 Paulson
3256036 June 1966 Nolan
3286970 November 1966 Nolan
3366978 February 1968 Jones
3994030 November 30, 1976 Cassell et al.
4013316 March 22, 1977 Cropper
4091478 May 30, 1978 Hardwick et al.
4569091 February 11, 1986 Brandenberger
4768239 September 6, 1988 Pauley
5103509 April 14, 1992 Richards
Foreign Patent Documents
2117236 October 1983 GBX
2237988 October 1990 GBX
Patent History
Patent number: D337443
Type: Grant
Filed: Dec 6, 1990
Date of Patent: Jul 20, 1993
Assignee: Arjo Limited (Gloucester)
Inventor: Derek J. Richards (Gloucester)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: J. E. Seeger
Law Firm: Collard & Roe
Application Number: 7/623,246
Classifications
Current U.S. Class: D/6367