Brakes – Operators – Multiple
Patent
1978-10-30
1979-12-18
Reger, Duane A.
Brakes
Operators
Multiple
188 2R, 188170, 404132, F16D 6530
Patent
active
041790154
ABSTRACT:
A compactor module is adapted to be attached to a tractor module to form a complete unit. Eight pneumatic tires support the rear portion of the compactor. An emergency or parking brake is attached to each compacting wheel. The brakes are interconnected by a continuous cable and pulley control system. All brakes are applied in unison when the cable tension in the control system is increased, due to the retraction of a piston rod of an air cylinder connected to one end of the cable. The rod retracts when the pressure in the air cylinder falls below a certain predetermined level. The rod projects outwardly when the pressure in the air cylinder returns above the predetermined level. The tension in the control system is relaxed when the air pressure in the cylinder again rises above the predetermined level, the rod returns to its extended position, and the brakes are substantially simultaneously released. The other end of the cable is attached to a winch. Regardless of the position of the piston rod, the brakes can be applied or released by winding or unwinding cable from the winch to vary cable tension in the control system.
REFERENCES:
patent: 1707987 (1929-04-01), Likas
patent: 1841532 (1932-01-01), Hoffman
patent: 2192021 (1940-02-01), Weeks
patent: 2409908 (1946-10-01), Simpkins
patent: 3136399 (1964-06-01), Granryd
Clark Equipment Company
Reger Duane A.
Thomas Mack L.
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