Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven...
Patent
1989-07-17
1990-06-26
Matecki, Katherine A.
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
254371, 254390, 474176, B66D 130
Patent
active
049365495
ABSTRACT:
A pulley comprises a hub with spokes arranged radially about its circumference. Secured on the spokes is a rim with a rim base accommodating lining inserts having holes wherethrough a flexible link extends to embrace the rim base. At the outside of the pulley each insert has a groove terminating in the hole. The width of the groove is such as to ensure removal of the flexible link from the hole therethrough. Provided at end faces of the inserts concentrically with the holes are recesses receiving ends of precompressed resilient elements disposed between the inserts.
REFERENCES:
patent: 3105676 (1963-10-01), Brockbank et al.
patent: 4013142 (1977-03-01), Hagg
patent: 4571225 (1986-02-01), Lengerfelder, Jr.
Gavryliv Jury L.
Ivanov Valery A.
Kozlov Anatoly M.
Petrina Jury D.
Petrina Vasily N.
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