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
Patent
1982-04-30
1984-04-10
Levy, Stuart S.
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
254417, 254402, 474178, B66D 136, B66D 100, F16H 5548
Patent
active
044416920
ABSTRACT:
A pulley or sheave that is lagged with rubber or rubber-like material, has two disc-like members which are disposed broadside to each other and secured together to form an annular groove for receiving and guiding a strand of material. At their centers, the members have bearing means to accommodate a spindle. In the annular groove for the strand of material the members have oppositely disposed wall portions characterized by re-entrant side walls. A wear strip of relatively soft, resilient material such as rubber having an elongated rib occupies the annular groove, the rib being accommodated in and frictionally seized by the reentrant side walls. The wear strip has abutted ends, and presents an annular exterior space for engagement with the strand of material that is being handled.
REFERENCES:
patent: 622214 (1899-04-01), Fletcher
patent: 1179238 (1916-04-01), Swain
patent: 2655813 (1953-10-01), Howell
patent: 3010700 (1961-11-01), Peterson
patent: 3434727 (1969-03-01), Kollenberger
patent: 3494212 (1970-02-01), Thomson
patent: 3892644 (1959-06-01), Collins
patent: 4294491 (1981-10-01), Black
Hannon Thomas R.
Lehmann H. Gibner
Lehmann K. Gibner
Levy Stuart S.
Wyrepak Industries, Inc.
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