Quick connect-disconnect coupling for snow plow

Details Quick connect-disconnect coupling for snow plow Quick connect-disconnect coupling for snow plow

1990-04-12

1990-10-16

Taylor, Dennis L.

Excavating

Snow or ice removing or grooming by portable device

Scraper blade

37235, 37234, 37231, E01H 504, E01H 506

Patent

active

049625993

ABSTRACT:
A quick connect-disconnect coupling is provided for snow plows and like devices. The coupling includes a hitch ear plate and a retaining ear plate preferably attached to the plow. The hitch ear plate has a configured gathering surface and the retaining ear plate has a hitch pin opening extending therethrough. A bracket arrangement preferably attached to the vehicle contains a spring biased axially movable hitch pin. The hitch ear plate positions the retaining plate so that its opening is in registry with the hitch pin when the plow is to be coupled to the vehicle. Rotation of the hitch pin allows the spring to axially move the hitch pin and snap the pin through the hitch pin opening to lock the plow to the vehicle.

REFERENCES:
patent: 3410008 (1968-11-01), Standfuss
patent: 3456369 (1969-07-01), Leposky
patent: 3512804 (1970-05-01), Siegert
patent: 3851894 (1974-12-01), St. Pierre
patent: 3987562 (1976-10-01), Deen et al.
patent: 4236329 (1980-12-01), Hetrick
patent: 4462172 (1984-07-01), Caron
patent: 4744159 (1988-05-01), Houle
patent: 4769933 (1988-09-01), Dejana

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