Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Patent
1981-11-13
1983-09-06
Taylor, Billy S.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
187 20, 226193, 254390, B66D 130, B66D 304
Patent
active
044024886
ABSTRACT:
A sheave for guiding and supporting stranded wire rope. The sheave includes a plurality of circumferential grooves, with treaded elastomeric inserts being disposed in the grooves. The walls which define the treads are disposed at a predetermined angle relative to the circumferential axis of the insert, selected such that they will be substantially perpendicular to the longitudinal axis of a strand, as each strand of the wire rope contacts and extends across a tread. The treads are thus fully compliant with the incremental changes in strand length due to the differential in rope tension on the two sides of the sheave.
REFERENCES:
patent: 3279762 (1966-10-01), Bruns
patent: 4013142 (1977-03-01), Hagg
patent: 4030569 (1977-06-01), Berkovitz
Lackey D. R.
Taylor Billy S.
Westinghouse Electric Corp.
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