Material or article handling – Vertically swinging load support – Shovel or fork type
Patent
1983-05-10
1985-04-23
Siemens, Terrance L.
Material or article handling
Vertically swinging load support
Shovel or fork type
414700, 414708, E02F 342
Patent
active
045127085
ABSTRACT:
An earth moving machine having a boom, a dipperstick, and a bucket all mounted for pivotal movement one with respect to the other, a double acting cylinder for each of the boom, the dipperstick, and the bucket, respectively, for controlling the pivotal movement of the bucket, for raising and lowering the boom, and for extended and retracting the dipperstick.
REFERENCES:
patent: 3133653 (1964-05-01), Anderson
patent: 3695474 (1972-10-01), Blakely
patent: 4376612 (1983-03-01), Yeou
patent: 4408518 (1983-10-01), Diel et al.
Boichu Claude P.
Yeou Victor
Poclain
Siemens Terrance L.
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