Impact softening unit for attachment to the draw bar of a travel trailer

Description

FIG. 1 is a front elevational view of an impact softening unit for attachment to the draw bar of a travel trailer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 5;

FIG. 4 is a right side elevational view thereof; the left side being a mirror image of that shown;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D223341 April 1972 Houger
3348861 October 1967 Curtis et al.
3458068 July 1969 Scott
3612506 October 1971 Malherbe
3661359 May 1972 Walker
3709522 January 1973 Olson
3779579 December 1973 Ostwald
3869149 March 1975 Dixon
3889981 June 1975 Westford
4779889 October 25, 1988 Morrison
Patent History
Patent number: D313956
Type: Grant
Filed: Nov 3, 1988
Date of Patent: Jan 22, 1991
Inventors: Donald R. Hoyt (Pflugerville, TX), J. W. Hoyt (Pflugerville, TX)
Primary Examiner: James M. Gandy
Attorney: Jerry T. Kearns
Application Number: 7/266,143
Classifications