Sheave and sheave system

Details Sheave and sheave system Sheave and sheave system

2008-07-10

2009-11-10

Marcelo, Emmanuel M (Department: 3654)

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

Reexamination Certificate

active

07614611

ABSTRACT:
A sheave comprising: a sheave body, the sheave body comprising: a groove; a sheave body outer diameter; a sheave body inner diameter; a sheave sleeve fixedly attached to the sheave body inner diameter, the sheave sleeve comprising: a sleeve bore; a sleeve outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between the sleeve and sheave body; and a sleeve inner diameter. A sheave system comprising: a first grooved sheave, with an outer diameter of a first value; a first groove size, and a sheave body inner diameter of a first value; a second grooved sheave, with an outer diameter of a second value; a second groove size, and a sheave body inner diameter of a first value; a third grooved sheave, with an outer diameter of a third value; a third groove size, and a sheave body inner diameter of a first value; a first sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the first sheave sleeve comprising: a first sleeve bore, with a first sleeve inner diameter of a first value; a first sleeve outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between the sleeve and any of the first through third grooved sheaves; a second sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the second sheave sleeve comprising: a second sleeve bore, with a second sleeve inner diameter of a second value; a second outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between the second sheave sleeve and any of the first through third grooved sheaves; a third sheave sleeve configured to be fixedly attached to any of the first through third grooved sheaves, the third sheave sleeve comprising: a third sleeve bore, with a third sleeve inner diameter of a third value; and a third sleeve outer diameter that is about the same as the sheave body inner diameter as to allow a fixed attachment between the sleeve and any of the first through third grooved sheaves.

REFERENCES:
patent: 2452458 (1948-10-01), Hahn
patent: 3108483 (1963-10-01), Williams
patent: 3137177 (1964-06-01), Barnet
patent: 4037486 (1977-07-01), Schultz, Jr.
patent: 4197756 (1980-04-01), Yaros
patent: 5398433 (1995-03-01), Dretzka
patent: 6405833 (2002-06-01), Baranda
patent: 6638390 (2003-10-01), Sizelove
patent: 2004/0178398 (2004-09-01), Miller

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