Adjustable support for an optical or other instrument

Details Adjustable support for an optical or other instrument Adjustable support for an optical or other instrument

G - Physics

01

D

248/28

G01D 11/30 (2006.01) F16M 11/00 (2006.01)

Patent

CA 1157448

Abstract. Adjustable support for an optical or other instrument. An adjustable support for an optical or other instrument (e.g. a binocular microscope for use by a surgeon in neuro- surgery) which readily permits adjustment in the position of the instrument in a predetermined spatial envelope and/or adjustment of the orientation of the instrument at any given position within that envelope, and which is compact, relatively inexpensive to manufacture, easy to adjust, and incorporates a high degree of safety, comprises a rod-like carrier (10), supporting the instrument at one end and an adjustable counterweight (W) at the other, mounted, by a ball joint arrangement (14) on a linkage system (16, 20) rotatably supported on a column (30). The ball joint arrangement (14) and other joint arrangements (18, 23, 28) in the linkage system are provided with clamping devices (156, 210, 278) normally urged to clamping position by springs (160, 212, 284) but released by the application of air pressure under control of a switch device.

389017

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