Geometrical instruments
Patent
1978-02-27
1979-01-09
Dost, Gerald A.
Geometrical instruments
174157, 2482265, 339198GA, H01R 916
Patent
active
041335970
ABSTRACT:
The support rail is intended to allow access both to the back and to the front of through-connecting connection blocks mounted on the support rail to form a connecting strip. The support rail is constituted by two bars held parallel to each other by two spacers which are spaced apart from each other and each of which comprises a parallelepipedical insulating block which has an upper surface, a lower surface, two longitudinal walls and two side surfaces, said block having a transverse channel which is parallel to each of said longitudinal walls, and which has a cross-section which corresponds to that of the bars and which has one of the bars passing through it, said channel having, on the side of the longitudinal wall a longitudinal slot which is open to said longitudinal wall and on the other side a longitudinal slot through which a tightening screw passes which is disposed through the block between its upper surface and its lower surface.
REFERENCES:
patent: 1474736 (1923-11-01), Schaub
patent: 2983897 (1963-09-01), Blanchet
CGEE Alsthom
Dost Gerald A.
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