Implements or apparatus for applying pushing or pulling force – Step-by-step traveling bar – Pawl actuated
Patent
1977-01-24
1978-10-17
Blix, Trygve M.
Implements or apparatus for applying pushing or pulling force
Step-by-step traveling bar
Pawl actuated
74812, 192 18R, B66D 130
Patent
active
041204867
ABSTRACT:
A method for the slip-free hauling of a rope, or similar, flexible force transmitting element, comprises guiding, moving, and controlling the rope over and/or by ways of a clamping roller or pulley resulting in a looping angle of less than 360.degree.. The rope may be moved and controlled either directly by hand or with a control device. A slip-free hauling apparatus comprises a housing, a clamping pulley, a relative and/or an absolute arresting system, in an operating or control device, a gearing system and a brake clutch. The gearing system is used to step down the force of the rope. The control device is used to modify the slippage of the rope. An auxiliary device initiates and controls the braking, releasing, and arresting of the rope.
REFERENCES:
patent: 967331 (1910-08-01), Covell
patent: 2175382 (1939-10-01), Eason
patent: 2388857 (1945-11-01), Lindsley
patent: 3570815 (1971-03-01), Nelson
patent: 3643921 (1972-02-01), Puretic
patent: 3728914 (1973-04-01), Guangorena et al.
patent: 3927580 (1975-12-01), Fawcett
patent: 3985340 (1976-10-01), Guangorena
Blix Trygve M.
Director Ing. Fritz Loertscher
Fasse W. G.
Noland Kenneth W.
Roberts W. W.
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