Invalid hoist

Description

FIG. 1 is a perspective view of an invalid hoist showing my new design from the left side;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a right side elevation view thereof showing some of the movable elements in a different position;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

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

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D327762 July 7, 1992 Silbersky et al.
D327763 July 7, 1992 Silbersky et al.
3277502 September 1964 Wauthier
3394933 July 1968 Benoit
3629880 December 1971 Van Rhyn
3914808 October 1975 Woods
3940808 March 2, 1976 Petrini
4569094 February 11, 1986 Hart et al.
4682377 July 28, 1987 Reich
4712257 December 15, 1987 James
4918771 April 24, 1990 James
Foreign Patent Documents
9006762 September 1990 DEX
2223477 November 1990 GBX
WO92/04003 March 1992 WOX
Patent History
Patent number: D355293
Type: Grant
Filed: Oct 8, 1993
Date of Patent: Feb 7, 1995
Inventor: Roy Parker (Sway, Hampshire S041 6EG)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Robin V. Taylor
Law Firm: Bacon & Thomas
Application Number: 0/13,993
Classifications