Combined fifth wheel pin puller and tire knocker for tractor trailer hitch assemblies

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a side elevational view of the combined fifth wheel pin puller and tire knocker for tractor trailer hitch assemblies showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D54235 December 1919 Bellows
225433 March 1880 Stewart
D254704 April 15, 1980 Hammond
D294112 February 9, 1988 Metz
1623497 April 1927 Rurup
1662538 March 1928 Richmond et al.
2805883 September 1957 Sauvago
3280455 October 1966 Smith
4601505 July 22, 1986 Chilton
Patent History
Patent number: D311482
Type: Grant
Filed: Feb 10, 1988
Date of Patent: Oct 23, 1990
Inventor: James F. Morton (Bucyrus, OH)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Porter, Wright, Morris & Arthur
Application Number: 7/155,002
Classifications
Current U.S. Class: D 8/51; D 8/14