Bucket excavator

Details Bucket excavator Bucket excavator

1985-03-27

1987-01-27

Siemens, Terrance L.

Material or article handling

Vertically swinging load support

Shovel or fork type

414723, 37103, E02F 502

Patent

active

046391835

ABSTRACT:
An improved bucket connection apparatus is provided in a bucket excavator whose working implement is connected to the bucket arm with an operating hinge and whose drive consists of a pair of working cylinders attached on either side of the operating hinge axis. The operating hinge is attached to a clamp that has two clamping feet, with at least one foot being movable about a clamping hinge axis which coincides with the operating hinge axis. The movable clamping foot is connected on the outside with one of the two working cylinders, and, on the insides, it is constructed as a gripper opposing the other clamping foot, for engaging connections (such as upstanding bolts) provided on the associated working implement for the purpose of attaching the operating hinge. The connections cooperate with the clamping feet to provide a locking arrangement that is effective when the clamping feet are in their gripping position.

REFERENCES:
patent: 3896950 (1975-07-01), McCain
patent: 3985249 (1976-10-01), Aker et al.
patent: 4251181 (1981-02-01), Drott et al.
patent: 4253793 (1981-03-01), Braml
patent: 4277899 (1981-07-01), Guthoff
patent: 4397604 (1983-08-01), McCain

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