Hoist apparatus

Details Hoist apparatus Hoist apparatus

1977-09-22

1979-02-13

Oresky, Lawrence J.

Implements or apparatus for applying pushing or pulling force

Step-by-step traveling bar

Pawl actuated

187 20, 254191, B66D 176

Patent

active

041391780

ABSTRACT:
An improved cable hoist apparatus having a drive sheave, a tensioning sheave, a pressure inducing chain and a brake system including a set of gears, linkage and brake actuating means. The linkage includes means for disengaging the gears under extreme operating conditions without loosening the chain from around the cable. An improved shaft assembly prevents binding and a solenoid actuated primary brake is manually operated.

REFERENCES:
patent: 3100626 (1963-08-01), Good
patent: 3231240 (1966-01-01), Warto
patent: 3520515 (1970-07-01), Pomagalski et al.
patent: 3524626 (1970-08-01), Pomagalski et al.
patent: 3729173 (1973-04-01), Levardon
patent: 3944185 (1976-03-01), Evans
patent: 3949969 (1976-04-01), Kaufer

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