Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent
1988-04-11
1989-07-25
Hail, III, Joseph J.
Implements or apparatus for applying pushing or pulling force
Device or member for contacting and guiding moving cable
Including rotatable, cable contacting, pulley wheel element
254399, 403 13, B66D 308, F16D 112
Patent
active
048505714
ABSTRACT:
The present invention relates to a connector assembly for maintaining a crown block with respect to a fall block of a hoist assembly. A tube on each side of the crown block can retain a rod on each side of the fall block. A hydraulic unit on the free end of the tube has a ram that pushes the rod partially out of the tube, when the crown block and fall block are being held together by a hoist cable.
REFERENCES:
patent: 3871527 (1975-03-01), Schimmeyer et al.
patent: 3897045 (1975-07-01), Butler
patent: 4215851 (1980-08-01), Holmen
patent: 4236695 (1980-12-01), Morrison
patent: 4266468 (1981-05-01), Biggs
patent: 4349179 (1982-09-01), Barber
patent: 4638978 (1987-01-01), Jordan
patent: 4759256 (1988-07-01), Kovit et al.
Hail III Joseph J.
Tarlano John P.
United States of America
Wohlfarth Robert M.
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