Hoisting apparatus

Details Hoisting apparatus Hoisting apparatus

1987-07-06

1989-05-30

Levy, Stuart 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

254342, 254346, 254372, B66D 114

Patent

active

048343412

ABSTRACT:
A hoisting means comprises a rotary member for winding on or interlockingly guiding weight suspension means like a cable, a chain or similar means, drive means for the rotary member, first brake means for indirectly inducing a braking action onto the rotary member for suppressing a movement of the rotary member in the winding-off direction under influence of the load, and further comprises second brake means directly acting upon the rotary member.

REFERENCES:
patent: 1484763 (1924-02-01), Ditson et al.
patent: 1684185 (1928-09-01), Kittredge
patent: 2244221 (1941-06-01), Schroeder
patent: 3047114 (1962-07-01), Stevens
patent: 3100031 (1963-08-01), Lock

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