Brakes – Operators – Speed-responsive
Patent
1982-10-07
1985-08-06
Halvosa, George E. A.
Brakes
Operators
Speed-responsive
188 652, 188 654, 254391, 254402, 254406, B65H 5916
Patent
active
045330263
ABSTRACT:
A load carrying device, movable along a rope, has a casing formed of two cheeks, a shaft supported on the casing, and a pulley supported on the shaft. Two diverters are disposed on opposite cheeks of the casing so a rope enters the device on one diverter, passes about a portion of the circumference of the pulley, and exits the device on the other diverter. The casing has a closed position where the cheeks are axially adjacent and an open position where the cheeks are spaced apart along the shaft so that a rope may be inserted in the device. The cheeks have stops which limit their translational movement from the closed position and limit their rotational movement when rope tension tends to move the diverters away from each other. Centrifugal force of pulley rotation causes a pawl to lock the pulley against rotation.
REFERENCES:
patent: 411869 (1889-10-01), Mitchell et al.
patent: 811191 (1906-01-01), Whiteside
patent: 1406560 (1922-02-01), Houghton
patent: 2164894 (1939-07-01), Bentley
patent: 2937853 (1960-05-01), Jackson, Jr.
patent: 4077094 (1978-03-01), Swager
G.A.M.E.S.
Halvosa George E. A.
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