Fluid-pressure and analogous brake systems – With pump
Reexamination Certificate
2005-03-15
2008-03-18
Rodriguez, Pam (Department: 3683)
Fluid-pressure and analogous brake systems
With pump
C303S009610, C188S072400, C188S10600P
Reexamination Certificate
active
07344199
ABSTRACT:
A brake system for braking a rotatable brake disk includes a primary brake piston engagable with the brake disk and a secondary brake piston engagable with the primary brake piston and operable to move the primary brake piston into engagement with the brake disk. Both pistons are operable in response to fluid pressure. A primary brake valve controls communication of fluid pressure to the primary brake piston. A secondary brake valve controls communication of fluid pressure to the secondary brake piston.
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Deere & Company
Rodriguez Pam
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