Secondary trailer brake locking unit

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Description

FIG. 1 is a front elevational view of the secondary trailer brake locking unit showing my 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; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2638118 May 1953 Chandler
4640391 February 3, 1987 Machara et al.
4793661 December 27, 1988 Munro
4804237 February 14, 1989 Gee et al.
4824178 April 25, 1989 Petersen
Patent History
Patent number: D342710
Type: Grant
Filed: Sep 16, 1991
Date of Patent: Dec 28, 1993
Inventor: Horace D. Shelton (Boling Brook, IL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Melody Brown
Attorney: S. Michael Bender
Application Number: 7/760,247
Classifications
Current U.S. Class: Brake Element (D12/180)