Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
2007-09-04
2010-06-15
Winner, Tony H. (Department: 3611)
Land vehicles
Wheeled
Articulated vehicle
C280S504000
Reexamination Certificate
active
07735850
ABSTRACT:
A trailer quick disconnect ball mount assembly provides a more secure, less cumbersome, more visible and better-fitting connection between the towing vehicle and trailer. The trailer quick disconnect ball mount assembly features a receiver housing with an angled sidewall that defines a tapered opening for rapid and precise alignment of the ball inside the receiver housing. The receiver housing, angled sidewall and fastening pins only cooperate only when the ball is correctly seated inside the receiver housing and also prevents accumulations of dust and dirt. The need for correctly seating the ball allows the user to instantly determine that the ball is securely connected to the receiver housing. A trailer quick disconnect ball mount system and a method for securely hitching a trailer with a quick disconnect ball mount assembly are also provided.
REFERENCES:
patent: 3658363 (1972-04-01), Marler
patent: 3794356 (1974-02-01), Hollis, Jr.
patent: 5725234 (1998-03-01), Colibert
patent: 7017925 (2006-03-01), Lindsay
patent: 7425016 (2008-09-01), Bowsher et al.
Harbulak Stephen J.
The United States of America as represented by the Secretary of
Winner Tony H.
Zelenka Michael
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