Magnetic tape clamping device

Winding – tensioning – or guiding – Coil holder or support – Spool or core

Patent

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Details

B65H 7528

Patent

active

044561920

ABSTRACT:
A magnetic tape clamping device of a reel hub is formed by a clamping piece having projections at the both ends and a concave portion formed on the periphery of the reel hub in which an undercut portion is formed in each side wall of the concave portion so that an increased clamping force is applied between the projections of the clamping piece and legs formed by undercut portions when a magnetic tape is pulled.

REFERENCES:
patent: 3195828 (1965-07-01), Kuckhoff et al.
patent: 3661345 (1972-05-01), Ritz, Jr. et al.
patent: 3960338 (1976-06-01), Shapley
patent: 3990733 (1976-11-01), Shiba et al.
patent: 4181272 (1980-01-01), Shiba et al.
patent: 4290562 (1981-09-01), Sasaki et al.
patent: 4300729 (1981-11-01), Oishi et al.
patent: 4341358 (1982-07-01), Shoji
patent: 4360173 (1982-11-01), Shoji

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