Electronic motor and gearing unit for actuating semitrailer support wheels

Description

FIG. 1 is a front elevational view of an electronic motor and gearing unit for actuating semitrailer wheels showing our 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
D95145 April 1935 Pfleger
D127580 June 1941 Dunkelberger
1475592 November 1923 Morrison
2523962 September 1950 Mahaffey et al.
3136527 June 1964 Griffis
4129322 December 12, 1978 Kuntz, Jr.
Patent History
Patent number: D317769
Type: Grant
Filed: Sep 14, 1988
Date of Patent: Jun 25, 1991
Inventor: Raymond D. Vining, Sr. (Wapakoneta, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Holly H. Baynham
Attorney: Jerry T. Kearns
Application Number: 7/244,458
Classifications