Pintle type trailer coupling

Details Pintle type trailer coupling Pintle type trailer coupling

1989-05-01

1990-09-25

Marmor, Charles A.

Land vehicles

Wheeled

Articulated vehicle

280504, 280508, B60D 100

Patent

active

049588486

ABSTRACT:
A pintle hook type tractor-trailer coupling component for heavy duty use. Multiple detent and safety hook means are provided for maintaining it securely, but releasably, in its operative position, coupled to the eye component of a pulling truck or tractor. Automatic take-up means assure a snug fit between the hook and the eye, irrespective of wear.

REFERENCES:
patent: 1842843 (1931-09-01), Staley
patent: 2429761 (1947-10-01), Ketel
patent: 2700555 (1955-01-01), Arend
patent: 2842380 (1958-07-01), Weiss
patent: 2951711 (1960-09-01), Karnath et al.
patent: 3204985 (1965-09-01), Karnath et al.
patent: 3475037 (1969-10-01), Weiss
patent: 4721324 (1988-01-01), Blacklaw
patent: 4758015 (1988-07-01), Pixley

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