Quick attach coupling

Details Quick attach coupling Quick attach coupling

1986-03-26

1988-05-31

Love, John J.

Land vehicles

Wheeled

Articulated vehicle

172275, 280477, 280507, 280508, 292207, A01B 5900

Patent

active

047476125

ABSTRACT:
An improved coupler or hitch assembly of the latch plate type. Angled jaws on the coupler act together with ramps or angled arms on the equipment secured by the coupler to forgive vertical or horizontal misalignment during the coupling operation. The assembly has an automatically engaging latch plate which is held in a closed position by a lock pin. The lock pin also provides frictional restraint for holding the plate in an open position. A lock pin holding mechanism allows relatively unresisted movement of the latch plate from an open to a closed position. Movement of the latch plate is also controlled by a limit tab on the coupler to prevent the lock pin from interfering with the coupler operation.

REFERENCES:
patent: 1337391 (1920-04-01), Cooper
patent: 1592832 (1926-07-01), Londe
patent: 2050518 (1936-08-01), Baumgardner
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patent: 3171673 (1965-03-01), Webber
patent: 3282607 (1966-11-01), Steinway
patent: 3298724 (1967-01-01), Coleman et al.
patent: 3347564 (1967-10-01), Snoozy
patent: 3398587 (1968-08-01), Martin
patent: 3420551 (1969-01-01), McMillan II
patent: 3731745 (1973-05-01), Koch
patent: 3856331 (1974-12-01), Bogdanovich
patent: 3987562 (1976-10-01), Deen et al.
patent: 4073517 (1978-02-01), Bills
patent: 4158996 (1979-06-01), Marulic

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