Supports – Brackets – Adjustable
Patent
1977-12-16
1979-10-09
Foss, J. Franklin
Supports
Brackets
Adjustable
248324, G02B 2316
Patent
active
041703367
ABSTRACT:
A suspension arm and couplings are disclosed for supporting an operating room microscope. The suspension arm and couplings permit rotation of the microscope in the vertical plane up to angles of from about 140.degree. to about 160.degree. between the axis of vision of the microscope and the vertical. In the disclosed embodiment, the suspension arm is a one-piece C-shaped configuration provided with swivel joint couplings at each end thereof. One of the swivel joint couplings rotatably connects the C-shaped suspension arm to the remainder of a suspension system and the other swivel joint coupling suspends still another swivel joint coupling to which is connected the microscope. The swivel joint coupling connected to the microscope has a female part with a bore extending non-centrally therethrough for receiving the male part, a shaft, of a C-bracket which rotatably supports the microscope. The bore is disposed in the female part at an angle of from about 140.degree. to about 160.degree. from the vertical with reference to the mounted position of the swivel joint coupling.
REFERENCES:
patent: 966077 (1910-08-01), Bonta
patent: 1041002 (1912-10-01), Bergh
patent: 1688765 (1928-10-01), Veras
patent: 2137286 (1938-11-01), Herbig
patent: 3790249 (1974-02-01), Treace
patent: 3809454 (1974-05-01), Brambring
patent: 3885858 (1975-05-01), Hildemann
patent: 3887267 (1975-06-01), Heller
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