Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Hydraulic or pneumatic
Reexamination Certificate
2006-01-31
2006-01-31
Wilson, Lee D. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Hydraulic or pneumatic
C254S418000, C280S766100
Reexamination Certificate
active
06991221
ABSTRACT:
An automatic jacking system for automotive vehicles includes four sculpe jacks hingably mounted to the frame of the vehicle adjacent the vehicle wheels and hydraulic and electrical lines that communicate with the jacks for operating and controlling the jacks. The hydraulic lines couple the jacks to a fluid reservoir and pump of the hydraulic system, and the electrical lines extend from individual solenoids mounted on each jack to a control panel wherein an in-line fuse is disposed between the solenoids and the control panel switches for that jack and wheel. The control panel also includes a pressure switch for locking each jack in place, and each jack has an associated leak detection sensor that communicates with the control panel switch associated with that jack so that detection of a leak will cause the control panel switch for that jack to blink on and off thereby alerting the individual of a dangerous condition.
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