Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Hydraulic or pneumatic
Reexamination Certificate
2006-06-20
2006-06-20
Watson, Robert C. (Department: 3723)
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Hydraulic or pneumatic
Reexamination Certificate
active
07063307
ABSTRACT:
An improved integrated combination of an automobile and jack structures attached to the reinforced lift points on each side of the automobile adjacent its wheel wells is a rigid orthogonally telescoping housing which includes a plurality of jacks, each jack having telescoping interconnected cylinders containing a valve sealed expandable pneumatic plenum within the housing, wherein the pneumatic interconnected cylinders are arranged for selective inflation by use of a pneumatically connected 12 volt DC pneumatic compressor that in turn is operative through an electrical supply line that is hard wired to an electrical system or battery of the automobile to receive electrical energy. A set of control switches is electrically connected to each of the compressors wherein each selected corner of the automobile can be lifted by a separate telescoping housing. A valve assembly in each compressor and housing assembly permits selective inflation and deflation of a pneumatic telescoping structure adjacent to a wheel well.
REFERENCES:
patent: 3938780 (1976-02-01), Hauptman
patent: 4174094 (1979-11-01), Valdespino et al.
patent: 4542882 (1985-09-01), Choe
patent: 4560145 (1985-12-01), Widmer
patent: 5224688 (1993-07-01), Torres et al.
patent: 5441237 (1995-08-01), Sweeney
Lessler Art
Lipson Gary
Muckelroy William L.
Watson Robert C.
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