Device for keeping constant the tensile stress in a cable

Details Device for keeping constant the tensile stress in a cable Device for keeping constant the tensile stress in a cable

1978-05-31

1981-08-25

Marmor, Charles A.

Implements or apparatus for applying pushing or pulling force

Device or member for contacting and guiding moving cable

Including rotatable, cable contacting, pulley wheel element

226199, B66D 136

Patent

active

042855020

ABSTRACT:
A device for keeping constant the tensile stress in a cable, comprises two guide pulleys for the cable spaced from each other and disposed in a common plane. A plurality of pulleys are disposed between the two guide pulleys in that same plane and are secured to a piston-cylinder unit that exerts a substantially constant force on those pulleys. The guide pulleys and the cable are movable relative to each other so that these intermediate pulleys can be moved out of engagement with the cable. The guide pulleys are also mounted on a frame that is movable perpendicular to that plane.

REFERENCES:
patent: 3343810 (1967-09-01), Parnell
patent: 3653635 (1972-04-01), Botes, Jr.
patent: 3661310 (1972-05-01), Gross
patent: 3949496 (1976-04-01), Konig et al.

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