VOLUTE SPRING FOR A FOOT BRAKE VALVE
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United States of America Patent
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Issued Date -
Apr 30, 2015
app pub date -
Oct 29, 2013
filing date -
Oct 29, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A foot brake valve for operating a vehicle brake system associated with wheels of the associated vehicle includes a plunger, a primary piston, and a volute spring. The plunger is positioned based on a position of an associated brake pedal depressed by an operator for engaging an associated service brakes of the vehicle. The primary piston positioned based on a position of the plunger. The volute spring biases the primary piston against a depression of the brake pedal.
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