Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1978-11-16
1980-12-30
Sheridan, Robert G.
Material or article handling
Vertically swinging load support
Shovel or fork type
414723, 172272, E02F 381
Patent
active
042420342
ABSTRACT:
A quick-release coupling is provided between a vehicle and a material handling unit. The frame of the vehicle has a pair of opposed recesses. A linkage which is connected to the material handling unit includes first and second links which are pivotally interconnected at one end. Elements such as pins are associated with the opposite ends of the links and are each receivable in one of the recesses. A third link has one end secured to the material handling unit and an opposite end which is pivotally interconnected with the first and second links. The third link moves the first and second links between a first position in which the distance between the axes of the pins is less than the distance of the opposed recesses, and a second position in which the distance between the axes of the pins is greater than the distance between the opposed recesses and the pins are received in the repective recesses to releasably secure the material handling unit to the vehicle.
REFERENCES:
patent: 3220487 (1965-11-01), Pilch
patent: 3818551 (1974-06-01), Coughran, Jr.
patent: 3844425 (1974-10-01), Bailey
patent: 3935953 (1976-02-01), Stedman
patent: 4013182 (1977-03-01), Pratt et al.
patent: 4034998 (1977-07-01), Iijima et al.
patent: 4116346 (1978-09-01), Uchida
patent: 4127203 (1978-11-01), Arnold
J. I. Case Company
Sheridan Robert G.
Siemens Terrance L.
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