Material or article handling – Elevator or hoist and loading or unloading means therefor – Separable rack
Patent
1989-03-22
1990-03-06
Basinger, Sherman D.
Material or article handling
Elevator or hoist and loading or unloading means therefor
Separable rack
414273, 414641, B65G 5728
Patent
active
049061593
ABSTRACT:
A load carrying attachment has a supporting frame mounted on an elevationally movable carriage assembly mounted uprights of a lift mast and a load engaging frame having a load engaging device. A connecting device connects the load engaging frame to the supporting frame and guides the load engaging frame for movement in a preselected plane in directions transverse the uprights. The load engaging frame is freely transversely movable in the plane in response to an external force being applied to the load engaging frame and alleviates damage to the load engaging frame or a carried load due to misalignment with a transporter. A sensing device is provided for sensing the position of the load engaging frame and delivering a vehicle braking signal in response to the load engaging frame being at either a first or a second preselected transverse position. The load carrying attachment is particularly suited for use on an automatic guided vehicle.
REFERENCES:
patent: 3734327 (1973-05-01), Ellis, Jr.
patent: 4354794 (1982-10-01), Macnab
patent: 4520443 (1985-05-01), Yuki et al.
patent: 4640657 (1987-02-01), Moore et al.
patent: 4647784 (1987-03-01), Stephens
patent: 4751983 (1988-06-01), Leskovec et al.
Blau Andrew P.
Sabo Joseph F.
Wible John E.
Basinger Sherman D.
Caterpillar Industrial Inc.
Hickman Alan J.
Swinehart Edwin L.
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