Implements or apparatus for applying pushing or pulling force – Rocking supports
Patent
1992-06-16
1993-08-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Rocking supports
F16M 1300
Patent
active
052341976
ABSTRACT:
A device is provided for lifting objects and holding those objects suspended. The device comprises an arcuate foot, one end of which is adapted to fit under an object to be lifted, and a central shaft secured to the foot at a predetermined angle. The shaft is secured intermediate the ends of the foot. The device also includes a brace adapted to be positioned against a vertical surface of the object to be lifted, and means connected to the shaft and the brace for holding the brace at a distance from the shaft. The angle between the shaft and the foot is adjustable and generally forms an "L" or "T" shape. The brace consists of an elongated trough with a U-shaped cross section having a hole bored through the central portion of the brace. At the hole are secured two arms, an upper and a lower arm. The lower arm is fixed to the portion of the shaft near the attachment to the foot, while the other arm is slidably mounted on the upper portion of the shaft. These two arms act as scissors and in this way the distance from the brace to the shaft is adjustable.
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patent: 4744717 (1988-05-01), Dyer
patent: 5039070 (1991-08-01), Warner
Renovisions, Inc.
Watson Robert C.
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