Crane boom top plate lateral support

Details Crane boom top plate lateral support Crane boom top plate lateral support

1980-08-14

1983-05-31

Sheridan, Robert G.

Traversing hoists

Having vertically swinging boom

Having means to swing boom vertically

52118, 308 3R, B66C 2304

Patent

active

043857043

ABSTRACT:
To resist side deflection and buckling of the top and side plates in larger size multi-section telescopic crane booms, top plate lateral supports for the movable boom sections in the fully extended and fully retracted critical zones are provided to supplement the action of bottom lateral wear pads. The top plate lateral supports include adjustable spring bars on the sides and forward ends of the boom sections and coacting cam pads on the top plates of the boom sections at their forward ends and in the socketing zones when the boom sections are fully extended.

REFERENCES:
patent: 3419157 (1968-12-01), Brady
patent: 3719403 (1973-03-01), Sung
patent: 4004695 (1977-01-01), Hockensmith et al.
patent: 4045936 (1977-09-01), Sterner

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