Jib system for cranes, especially mobile cranes

Details Jib system for cranes, especially mobile cranes Jib system for cranes, especially mobile cranes

1988-05-11

1990-01-09

Peters, Jr., Joseph F.

Traversing hoists

Having means facilitating assembly or disassembly

Of traversing hoist from support

212182, 212200, 212261, 212262, B66C 2326

Patent

active

048922013

ABSTRACT:
A telescopic outrigger is swivel mounted and disposed so that it can be moved in the longitudinal direction in an jib trough. When the telescopic jib is in its horizontal or slightly inclined operating position, it is situated in the jib trough. In order to achieve a steep operating position, it is moved lengthwise in the jib trough in the direction of the jib tip, and is raised up about a pivot.

REFERENCES:
patent: 1595029 (1926-08-01), Smith et al.
patent: 2570417 (1951-10-01), Wulleman
patent: 3011652 (1961-12-01), Falk et al.
patent: 3365077 (1968-01-01), Mork
patent: 3777900 (1973-12-01), Brewer
patent: 3967744 (1976-07-01), Goyarts
patent: 4544071 (1985-10-01), Poock

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