Supports – Stand and bracket – Having adjustable bracket
Patent
1986-04-25
1987-08-04
Foss, J. Franklin
Supports
Stand and bracket
Having adjustable bracket
74103, 2482801, 414917, A47G 2900
Patent
active
046840885
ABSTRACT:
The support apparatus in the form of a stand possesses an arm component projecting transversely from a stand component. A surgical operating microscope is arranged at the end of the arm component. A guide linkage with a double scissors type carrier linkage whose movement is combined with an extension movement is provided for the displacement of the operating microscope in a direction transverse to the stand component. This extension movement is controlled by a control linkage in such a way that the upper end of the carrier linkage which carries the stand arm component moves along a straight line. There is thus no need for a counterweight for the transverse movement of the operating microscope over a surgical operating table. A first counterweight for the upwardly and downwardly directed swinging movement of the stand arm component is enclosed in a space saving manner within a housing of the stand component, conjointly with a substantial portion of the guide linkage. The connection between the arm component of the stand and the first counterweight is effected through linkages a predominant portion of which are likewise substantially accommodated within the housing.
REFERENCES:
patent: 1589727 (1926-06-01), Travell
patent: 2683481 (1954-07-01), Lorenz
patent: 4335315 (1982-06-01), Waerve et al.
patent: 4344595 (1982-08-01), Heller et al.
patent: 4364535 (1982-12-01), Itoh et al.
patent: 4437635 (1984-03-01), Pham
Machine Design, vol. 22, No. 1, Jan. 1950, pp. 90-92, Cleveland U.S.; H. G. Conway: "Straight-line Linkages", FIGS. 2, 4-6.
Contraves AG
Foss J. Franklin
Kleeman Werner W.
Talbott David L.
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