Crane

Details Crane Crane

2007-12-25

2007-12-25

Brahan, Thomas J. (Department: 3654)

Traversing hoists

Adjustable to transport or nonuse position

Collapsible inverted 'v' frame supports boom rigging

C212S299000, C212S239000, C212S262000

Reexamination Certificate

active

10961076

ABSTRACT:
A crane including a cabin provided on the left or right side, a boom raised and lowered around a pair of boom feet provided on the left and right sides of the base of the boom, and a gantry provided behind the boom. The boom foot on the side of the cabin is located in a position determined by the width of the crane and the width of the cabin. The center line of the boom is located on the opposite side of the center line of the gantry from the cabin so that the distance between the boom foot on the opposite side from the cabin and the center line of the gantry is greater than the distance between the boom foot on the side of the cabin and the center line of the gantry.

REFERENCES:
patent: D134464 (1942-12-01), Zeilman
patent: 2383172 (1945-08-01), Wagner et al.
patent: 2572029 (1951-10-01), Huston
patent: 6536615 (2003-03-01), Nishikino et al.
patent: 6702131 (2004-03-01), Hanamoto
patent: 43 27 991 (1995-02-01), None
patent: 2000-143160 (2000-05-01), None
patent: 2002-46983 (2002-02-01), None

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