Automatic leveling unit for vehicle seats

Description

FIG. 1 is a top and front perspective view of an automatic leveling unit for vehicle seats showing my new design;

FIG. 2 is a bottom and rear perspective view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image of that shown;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
3052894 September 1962 Bigger
4095770 June 20, 1978 Hetke et al.
4659053 April 21, 1987 Holley et al.
Foreign Patent Documents
2142046 February 1973 DEX
2442039 April 1975 DEX
2709123 September 1977 DEX
2637411 February 1978 DEX
2450172 September 1980 FRX
2472491 July 1981 FRX
0431430 July 1977 SEX
8806984 September 1988 WOX
Patent History
Patent number: D309815
Type: Grant
Filed: Sep 9, 1987
Date of Patent: Aug 7, 1990
Inventor: Jan Wallin (S-781 96, Borlange)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Kay H. Chin
Law Firm: Sandler, Greenblum & Bernstein
Application Number: 7/94,793
Classifications