Self-centering guide spindle

Details Self-centering guide spindle Self-centering guide spindle

1991-02-19

1992-10-06

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 76, 226189, 226190, B65H 2326

Patent

active

051524740

ABSTRACT:
The invention is an improved spindle for guiding photographic film, paper and similar flexible materials subject to handling and transport in long rolls. The spindle is constructed of lightweight material, and features two pairs of curved shoulders, each of specific radius. The first shoulder supports the transported materials at opposing edges, and spaces the material away from the central portion of the spindle. The second shoulder protects the edge of the material, centers the material on the spindle, and guides the material to a centered position on the spindle in the event the material becomes inadvertently mis-centered.

REFERENCES:
patent: 1882413 (1932-10-01), Edouart
patent: 2120735 (1938-06-01), DeBrie
patent: 3474981 (1969-10-01), Polder
patent: 3575100 (1971-04-01), Krause
patent: 3604650 (1971-09-01), Wennerberg

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