Quick coupler

Details Quick coupler Quick coupler

1979-02-05

1981-01-06

Kunin, Stephen G.

Material or article handling

Vertically swinging load support

Shovel or fork type

371175, E02F 381

Patent

active

042433568

ABSTRACT:
A quick coupler for detachably attaching an implement to an earthworking vehicle which is provided with a pair of lift arms and a pair of tilt links, the coupler including a hitch assembly having a pair of transversely spaced hitch members each rotatably connected to one of the lift arms and one of the tilt links and having upper and lower coupling elements in the upper and lower end portions thereof; a hook assembly having a pair of hook members fixed in transversely spaced positions on the back of the implement and each having upper and lower receiving portions in the upper and lower coupling elements of the hitch assembly, respectively, the hook assembly further including a locking member provided in the vicinity of the lower receiving portion of each hook member and rotatable into and out of a locking position interfering with a path of movement of the lower coupling element of the hitch member relative to the lower receiving portion of the hook member, the locking member being adapted to be locked in the locking position when the respective hitch and hook members are coupled together.

REFERENCES:
patent: 3531140 (1970-09-01), Di Vita
patent: 3606052 (1971-09-01), Schurz
patent: 3760883 (1973-09-01), Birk
patent: 3935953 (1976-02-01), Stedman
patent: 4090725 (1978-05-01), Perin
patent: 4116347 (1978-09-01), Uchida

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