Supports – Brackets – Specially mounted or attached
Patent
1975-01-24
1976-05-11
Frazier, Roy D.
Supports
Brackets
Specially mounted or attached
248298, 248466, 350321, 356256, E01B 718
Patent
active
039557880
ABSTRACT:
The present invention relates to a device for positioning and supporting apparatus, particularly for optical instruments in a laboratory, constituted on the one hand by a support rail and on the other hand by a clamp mounted to slide on said rail, the rail being constituted by a linear circular-sectioned tubular structure, the tubular section having four diametrically opposite radial fins projecting therefrom, the clamp is adapted to be positioned on two adjacent fins, the clamp comprising two side branches, one of which receives an adjustable locking member abutling an outer face of a fin.
REFERENCES:
patent: 1232565 (1917-07-01), Karn
patent: 2803986 (1957-08-01), Choiniere et al.
patent: 3184208 (1965-05-01), Tanaka
patent: 3275276 (1966-09-01), Johnson
patent: 3462110 (1969-08-01), Cheslock
patent: 3574468 (1971-04-01), Herman
patent: 3747890 (1973-07-01), Tubbs
patent: 3794431 (1974-02-01), Rothrock
Frazier Roy D.
Staab Lawrence J.
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