Apparatus for guiding, holding or moving longitudinal elements

Details Apparatus for guiding, holding or moving longitudinal elements Apparatus for guiding, holding or moving longitudinal elements

1988-08-29

1989-09-26

Petrakes, John

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

On endless belt or chain

226171, 226172, B65H 2036

Patent

active

048694126

ABSTRACT:
Apparatus for advancing, belaying, or retracting a longitudinal element, such as a cable, by means of engagement with an endless belt driven by a reversible motor in a predetermined endless path geometrically formed to guide and constrain the belt in the path by means of camming action along and around a support element. The cable is free to enter the apparatus engaging the belt at either end of the support element, to be advanced, belayed, or retracted by the belt along this predetermined path.

REFERENCES:
patent: 2561497 (1951-07-01), Clark et al.
patent: 3116050 (1961-01-01), Herrmann
patent: 4274574 (1981-01-01), Bishop
patent: 4343422 (1982-08-01), Dabringhaus et al.

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