Mobile crane

Details Mobile crane Mobile crane

1975-10-02

1977-10-11

Spar, Robert J.

Traversing hoists

Overhead

Cable

180 77S, 212 55, B62D 2700

Patent

active

040530612

ABSTRACT:
A rough terrain mobile crane in which the operator's control cab is mounted on a rotatable superstructure has sets of controls for vehicular drive, steering, lifting and boom motions grouped together in the control cab which is carried on a bearing provided on the superstructure together with the boom and pivotally connected hydraulic ram for raising and lowering it and the control cab is alternatively extended to a forward position at the front of the chassis and which may be beside an upstanding engine compartment for driving the crane from place to place and to a rearward position, by sliding and/or pivoting on the bearing, for use in operation of the crane.

REFERENCES:
patent: 3085644 (1963-04-01), Van Der Lely
patent: 3265149 (1966-08-01), Schuetz
patent: 3398984 (1968-08-01), Ajero
patent: 3452888 (1969-07-01), Larson et al.
patent: 3891264 (1975-06-01), Hunter et al.
patent: 3933224 (1976-01-01), Nilsson et al.

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