Apparatus for maintaining a tension in an elongated continuously

Details Apparatus for maintaining a tension in an elongated continuously Apparatus for maintaining a tension in an elongated continuously

1991-06-04

1993-01-05

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 44, B65H 7700

Patent

active

051763346

ABSTRACT:
A device for maintaining a freely selectable speed-independent tension in a continuously advanced flexible element, has a double-arm rocker and respective deflecting rollers uniformly disposed on arms of the rocker with said element passing around the rollers in opposite senses. The rocker is mounted to enable pivoting about a pivot axis between the rollers and at least one counterforce member is operatively connected to the rocker to counter pivotal movement of the rocker about this axis and establishing a tension in the element which is a function of a pivotal displacement of the rocker.

REFERENCES:
patent: 1952196 (1934-03-01), Coil
patent: 2067755 (1937-01-01), Dyer, Jr.
patent: 2351591 (1944-06-01), Balk
patent: 3183495 (1965-05-01), Blain
patent: 3829038 (1974-08-01), Studer
patent: 3904147 (1975-09-01), Taitel et al.
patent: 4129238 (1978-12-01), Herd
patent: 4351493 (1982-09-01), Sonnek
patent: 4604848 (1986-08-01), Clostermeyer
patent: 4858842 (1989-08-01), Mundus

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