Automatic balancing mechanism for medical stand apparatus

Details Automatic balancing mechanism for medical stand apparatus Automatic balancing mechanism for medical stand apparatus

1996-12-19

2000-04-18

Berger, Derek J.

Supports

Stand and bracket

Having adjustable bracket

24828011, 24878111, 24829211, 359384, G02B 2100

Patent

active

060505303

ABSTRACT:
The vertical movement of a retaining link mechanism and the horizontal movement of a counterweight are interlocked by a drive mechanism for balancing in weight between a medical optical device and/or its auxiliary devices and the counterweight about the center of pivot. Accordingly, the action of the drive mechanism makes a balance in the horizontal and vertical movements of the operating microscope combination, thereby automate the balancing control readily.

REFERENCES:
patent: 3891301 (1975-06-01), Heller
patent: 4339100 (1982-07-01), Heller et al.
patent: 4741607 (1988-05-01), Heller
patent: 5173802 (1992-12-01), Heller
patent: 5186422 (1993-02-01), Nakamura
patent: 5205522 (1993-04-01), Nakamura
patent: 5480114 (1996-01-01), Nakamura
patent: 5651718 (1997-07-01), Nakamura
patent: 5667186 (1997-09-01), Luber et al.
English Abstract of Japanese Patent Laid-Open Publication No. 269463/1994.

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