Boom assembly for swiveling utility vehicle

Details Boom assembly for swiveling utility vehicle Boom assembly for swiveling utility vehicle

2006-07-04

2006-07-04

Underwood, Donald W. (Department: 3652)

Material or article handling

Vertically swinging load support

Shovel or fork type

C414S918000

Reexamination Certificate

active

07070383

ABSTRACT:
A boom assembly includes a hollow bent boom pivotally connected to a swing bracket, a hollow arm pivotally connected to a leading end of the boom and pivotally supporting an implement at a leading end of the arm, a pair of right and left connecting brackets attached to opposed side faces of a base end of the arm, an implement cylinder provided between the implement and the connecting brackets for operating the implement, a hydraulic service port for a hydraulic implement, and a hydraulic oil pipe for supplying pressure oil to the implement cylinder and the hydraulic service port. The hydraulic service port is provided in the connecting brackets and the hydraulic oil pipe extends through the inside of the hollow boom to be exposed to the outside from a back face area of the leading end of the boom and then further extends between the pair of right and left connecting brackets. A portion of the leading end of the hydraulic oil pipe is connected to the implement cylinder and a further portion thereof is connected to the hydraulic service port.

REFERENCES:
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patent: 2003 003511 (2003-01-01), None

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