Supports – Brackets – Adjustable
Patent
1990-04-27
1992-03-03
Chin-Shue, Alvin C.
Supports
Brackets
Adjustable
248181, 2482317, 248278, B01D 2702
Patent
active
050925520
ABSTRACT:
A mounting arm is disclosed on one end of which a piece of electronic or other equipment is mounted and the other end of which is detachably fastened to the edge of a supporting surface. The arm has three moving joints that permit the equipment fastened thereto to be moved with multiple degrees of freedom for desired positioning of the equipment. One joint utilizes a friction washer assembly and a preloaded torsion spring counterbalancing the weight of the equipment. The torsion spring tension is adjustable to compensate for differing weights of equipment on the one end of the arm. Another joint utilizes a friction ball joint arrangement having double concentric friction ball surfaces in an assembly that permits multiple degrees of freedom of motion and is easily removed from the remainder of the arm without disassembling the ball joint.
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Ardito John D.
Dayton Douglas C.
Chin-Shue Alvin C.
Milik Kenneth L.
Shanahan Michael H.
Wang Laboratories, Inc.
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