Weight for a lift-limiting switch

Details Weight for a lift-limiting switch Weight for a lift-limiting switch

1995-04-10

1997-05-27

Brahan, Thomas J.

Traversing hoists

Having random condition sensor combined with an indicator or...

Hoisting stops upon load being raised to a predetermined...

B66C 2390

Patent

active

056323913

ABSTRACT:
A weight for operating the lift-limiting switch of a crane, especially a telescoping-boom crane, is composed of two identical castings connected together by a hinge at one side and having a lock on the opposite side which, when actuated, holds the two members around the crane cable but which can be opened to allow the weight to be placed over the cable or to be removed therefrom.

REFERENCES:
patent: 1073751 (1913-09-01), Guiberson
patent: 1660708 (1928-02-01), Grant
patent: 2029709 (1936-02-01), Field
patent: 2388219 (1945-10-01), Parker
patent: 3969714 (1976-07-01), Greer
patent: 4535899 (1985-08-01), Bergeron
patent: 5263660 (1993-11-01), Brozik
patent: 5362029 (1994-11-01), Kallenberger

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