Tension shaft for winding frames

Details Tension shaft for winding frames Tension shaft for winding frames

1982-08-26

1984-03-13

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

269 481, 279 2R, B23B 3140, B23B 522, B65H 7518

Patent

active

044362528

ABSTRACT:
A tension shaft for machines for winding widths of sheet material wherein the outside diameter is variable is provided. The tension shaft includes a flexible tube wound thereabout in helical fashion which may be inflated by air fed into the central portion of the tension shaft. A valve for air feed discharge is provided to the central shaft. An air inlet from the central shaft to the flexible tube is provided. The air inlet is characterized by a screw member having an axial opening leading from the central shaft piece to a radial opening extending outwardly from the axial hole for directing air to the interior portion of the flexible tube.

REFERENCES:
patent: 2605140 (1952-07-01), Bartling
patent: 3139242 (1964-06-01), Banlier
patent: 3214109 (1965-10-01), Gadde et al.
patent: 3834257 (1974-09-01), Ganser

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