Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
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
Oresky Lawrence J.
Power Climber Inc.
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