Self-latching trailer coupler

Details Self-latching trailer coupler Self-latching trailer coupler

1995-06-12

1997-05-27

Boehler, Anne Marie

Land vehicles

Wheeled

Articulated vehicle

280511, 280512, B60D 106

Patent

active

056325010

ABSTRACT:
A self-latching trailer coupler for use with a ballhead coupling post is disclosed. The coupler includes a housing having a forward portion that forms a receiving socket, and a rear portion. A latching member is disposed within the rear portion of the housing and is adapted for movement between a latched and a released position, the movement of the latch member being controllably guided along a complex path by guide pins and guide slots. The latching member has a socket which engages the ballhead when the coupler is positioned over a ballhead. Downward force on the coupler, as would be due to the load on the tongue of a trailer, automatically translates and rotates the latch member to a fully engaged locked position. A self-actuating locking device is provided for locking the latching member in its latched position. In connection with the locking device, a lever for releasing the locking device is also provided.

REFERENCES:
patent: 2061234 (1936-11-01), Hoflich
patent: 2744767 (1956-05-01), Kleiman
patent: 4209184 (1980-06-01), Byers
patent: 4545596 (1985-10-01), Luke et al.

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