Greaseball hitch

Details Greaseball hitch Greaseball hitch

1988-03-17

1989-05-23

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

B60D 106

Patent

active

048323608

ABSTRACT:
The purpose of this invention is to allow the lubrication of a ball and coupler while being attached together. Unity of a ball and coupler are essential to this invention. The size of ball is immaterial to the function of the design. Lubrication is accomplished through a system comprising of internal ports and external exiting port holes. An internal port system that comprising a variety of ports and exiting port holes to the surface of the ball at various angles allowing lubrication between the ball and socket of the coupler. An external lubrication fitting is attached to the internal lubrication port system. Pressurization occurs when an external lubrication is introduced into the internal porting system through the external lubrication fitting. The amount of lubrication to the ball and socket is controlled by the amount of lubrication introduced into the internal porting system via the lubrication fitting.

REFERENCES:
patent: 2558906 (1951-07-01), Leon
patent: 2567530 (1951-09-01), Schule
patent: 3436101 (1969-04-01), Hanson
patent: 4283072 (1981-08-01), Deloach, Jr.
patent: 4444410 (1984-04-01), Martin

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