Sideboom excavator with lifting means

Details Sideboom excavator with lifting means Sideboom excavator with lifting means

1985-12-20

1987-05-19

Peters, Jr., Joseph F.

Traversing hoists

Having means facilitating assembly or disassembly

212257, 212258, 212261, 414912, B66C 2326

Patent

active

046660496

ABSTRACT:
An articulated arm-type excavator machine has a hydraulically actuated main boom and a side boom which is detachably mounted at its proximal end to the side of the tractor of the machine, and at its distal end to a trolley arrangement on the underside of the main boom. The detachable sideboom arrangement permits the machine to be employed either as an excavator or as a sideboom lifting device.

REFERENCES:
patent: 156028 (1874-10-01), Lewis
patent: 2003599 (1933-06-01), Le Tourneau
patent: 2712873 (1955-07-01), Peterson
patent: 2991890 (1961-07-01), Kennedy
patent: 3176861 (1965-04-01), Paul et al.
patent: 3236391 (1966-02-01), Kennedy
patent: 3265218 (1966-08-01), Stefanutti
patent: 3329283 (1967-07-01), Wade
patent: 3764021 (1973-10-01), Scheverpflug
patent: 4132317 (1979-01-01), Arendt et al.

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