Auxiliary assembly for reducing unwanted movement of a hoist...

Details Auxiliary assembly for reducing unwanted movement of a hoist... Auxiliary assembly for reducing unwanted movement of a hoist...

2006-04-11

2006-04-11

Novosad, Christopher J. (Department: 3671)

Excavating

Cable-operated

Boom-type

C037S397000

Reexamination Certificate

active

07024806

ABSTRACT:
An auxiliary hoist sheave assembly comprising a sheave support frame, a mechanism for mounting the sheave support frame to a boom, a lower sheave shaft mounted on the sheave support frame, and a grooved hoist sheave, rotatably supported by and slidable along the lower sheave shaft, the hoist sheave being in contact with a hoist rope, and the hoist sheave fleeting side to side along the lower sheave shaft as the hoist rope follows the hoist drum.

REFERENCES:
patent: 3708152 (1973-01-01), Bulin
patent: 3959899 (1976-06-01), Rangaswamy
patent: 4027969 (1977-06-01), Foxell
patent: 5123607 (1992-06-01), Jones
patent: 6067735 (2000-05-01), Kallenberger
patent: 2642910 (1978-03-01), None

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