Implements or apparatus for applying pushing or pulling force – Rocking supports
Patent
1990-10-22
1991-08-13
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Rocking supports
F16M 1300
Patent
active
050390708
ABSTRACT:
The invention is a jack stand for using the device power of a vehicle to raise the vehicle off the ground. The jack stand has a retention device such as a cradle to engage an undercarriage member of the vehicle. The retention device is connected to a post which in turn is mounted to a base plate. The base plate is configured to allow the post to pivot to a vertical position as the vehicle is driven over the jack stand so that the post raises the vehicle.
REFERENCES:
patent: 1061658 (1913-05-01), Bradshaw
patent: 1548326 (1925-08-01), McDuffie
patent: 1961659 (1934-06-01), Castaneda
patent: 4034961 (1977-07-01), Breen
Kuhn David L.
Taucher Peter A.
U.S. Government as represented by the Secretary of the Army
Watson Robert C.
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