Work holders – Miscellaneous
Patent
1984-04-10
1986-04-01
Watson, Robert C.
Work holders
Miscellaneous
A61G 1300
Patent
active
045793247
ABSTRACT:
A positioning apparatus for use in surgical operating procedures and the like comprising one or more generally vertically extending support arms which are connected at their lower ends to universal positioner mechanisms which may be adjustably positioned along a support bar suspended from and substantially rigidly connected to an operating table or the like. The positioning mechanism includes a ball and socket coupling including spaced apart support block having socket portions for forcibly engaging the ball under the urging of a plurality of springs. A lever actuated cam connected to a foot pedal is operable to release the biasing force on the support blocks whereby the position of the support arm connected at one end to the ball may be finely adjusted over a wide range of positions. The positioning mechanism may also comprise clamping members adjustable about three mutually perpendicular axes to provide universal movement of a support arm.
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