Flexible covering for power supply lines, guideways and the like

Details Flexible covering for power supply lines, guideways and the like Flexible covering for power supply lines, guideways and the like

1977-12-09

1979-08-07

Butler, Douglas C.

Cutlery

B23Q 1108, H02G 1100

Patent

active

041635914

ABSTRACT:
Two flexible chains, each of which is composed of links connected by hinge pins, form the lateral sides of the cover. Each link of one chain is connected to an opposite link of the other chain, at least at the top, by a rigid cover member to form a cover section. The cover members of adjacent cover sections are in sliding contact, and at least one surface which participates in each such sliding contact is in the form of a sector of a cylinder whose axis is in alignment with the hinge pins connecting the links forming the sides of such adjacent cover sections. Adjacent cover sections also are provided with opposed stops which limit the angle of relative pivoting of such adjacent cover sections.

REFERENCES:
patent: 2652737 (1953-09-01), Longstreet
patent: 3785418 (1974-01-01), Hennig et al.
patent: 3920288 (1975-11-01), Ito

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