Fluid-pressure and analogous brake systems – Releasing – Motor
Reexamination Certificate
2011-03-22
2011-03-22
King, Bradley T (Department: 3657)
Fluid-pressure and analogous brake systems
Releasing
Motor
C303S009610, C180S308000
Reexamination Certificate
active
07909414
ABSTRACT:
A hydraulic circuit includes a spring applied-pressure released brake, a hydraulic motor, and a control in fluid communication with the brake and the motor. The control is operative between a first position and a second position. When in the first position the brake receives pressure from a first brake pressure source. When in the second position the brake receives pressure from a second pressure source and the motor is short circuited in relation to a motor pressure source. The control can be automatically reset upon pressurization of the hydraulic circuit.
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Irvin Thomas
King Bradley T
Rankin , Hill & Clark LLP
White Drive Products, Inc.
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