Machine comprising a rotatable boom assembly

Details Machine comprising a rotatable boom assembly Machine comprising a rotatable boom assembly

1979-04-04

1981-06-23

Saifer, Robert W.

Material or article handling

Vertically swinging load support

Shovel or fork type

414694, 414718, 414735, E02F 500

Patent

active

042747961

ABSTRACT:
A machine comprising a rotatable telescopic boom assembly includes an outer boom section, an intermediate boom section rotatably mounted within the outer boom section, and an inner boom section located within the intermediate boom section on a telescopic relationship thereto. The inner boom section is adapted to carry an implement such as, for example, an impact hammer, at one end thereof. A mounting is provided to which the outer boom section is rigidly attached. Fluid actuating means are also provided for rotatably driving the intermediate boom section within the outer boom section continuously through 360.degree. in one direction of rotation and for reciprocating the inner boom section within the intermediate boom section.

REFERENCES:
patent: 3087636 (1963-04-01), Weaver
patent: 4062455 (1977-12-01), Flatau

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