Adjustable stand for optical observation instruments

Details Adjustable stand for optical observation instruments Adjustable stand for optical observation instruments

1981-09-16

1985-06-18

Schultz, William H.

Supports

Stand and bracket

Having adjustable bracket

A47F 500

Patent

active

045237328

ABSTRACT:
The invention contemplates a support stand having a weight-compensating four-bar linkage in the form of an elongate parallelogram, for adjustable-elevation support of an observation instrument such as an operation microscope. Weight compensation is achieved by a preloaded spring contained within opposed channels which constitute two elongate members of the linkage and which have nesting side walls to complete the enclosure of the spring, while also accommodating such electrical and optical cable connections as may be needed to communicate between the instrument and the base of the stand.

REFERENCES:
patent: 198655 (1877-12-01), Meeker
patent: 598105 (1898-02-01), Lind
patent: 911935 (1909-02-01), Baumwart
patent: 2967458 (1961-01-01), Stone
patent: 3973748 (1976-08-01), Nagasaka
patent: 4339100 (1982-07-01), Heller
patent: 4344595 (1982-08-01), Heller
Wild Heerbrugg, Ltd., Prospectus "Wild Series M600", M 1600-1e-III.80.

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