Automatic parking brake and steering spindle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 29, 2000
Grant Date -
N/A
app pub date -
Nov 13, 1997
filing date -
Nov 13, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A combination automatic parking brake and steering spindle is provided for use in a self-propelled vehicle carrying an elevatable boom or work platform. The automatic parking brake includes a brake cylinder which also acts as a steering spindle for the vehicle. The parking brake is actuated by a spring carried in the brake cylinder and urges a parking brake pad into contact with a steerable wheel. The parking brake is automatically released when the hydraulic propulsion system for the vehicle is activated and hydraulic pressure enters the brake cylinder compressing the spring and releasing the parking brake.
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