Adjustable lifting sling

Details Adjustable lifting sling Adjustable lifting sling

1997-01-21

1999-07-13

Poon, Peter M.

Brakes

Strand

Tortuous grip

188 653, B65H 5914

Patent

active

059213531

ABSTRACT:
An adjustable lifting sling including a stationary member having one or more cam surfaces and a rotary member having one or more corresponding complementary shaped surfaces permitting a tensile member to be controllably locked between the cam and complementary shaped surfaces.

REFERENCES:
patent: 213165 (1879-03-01), Brice
patent: 379113 (1888-03-01), Hibberd
patent: 558048 (1896-04-01), Dubois
patent: 564012 (1896-07-01), Fraser
patent: 593256 (1897-11-01), Velie
patent: 4068608 (1978-01-01), Hartz
patent: 4470480 (1984-09-01), Celez
patent: 4830340 (1989-05-01), Knitig
patent: 5360083 (1994-11-01), Hede

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