Winding core for magnetic tape adapted for stacking

Details Winding core for magnetic tape adapted for stacking Winding core for magnetic tape adapted for stacking

1979-03-28

1980-05-06

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

206394, 206509, B65H 7518

Patent

active

042013534

ABSTRACT:
A winding core for magnetic tape is adapted for stacking between like winding cores. The core has a substantially annular body with top and bottom substantially annular body surfaces, an outer circumferential body surface to wind the tape about, a discontinuous inner circumferential body surface and a set of recess surfaces extending between the annular body surfaces and between portions of the discontinuous inner circumferential body surface. The recess surfaces define a circular array of recesses for the core. Opposed sets of projections rise from the top and bottom annular surfaces. Each set forms a circular array; and each projection is adapted to mate with a recess of a like top or bottom sandwiching winding core. The projections of each array of projections are spaced to mate with every third recess along the array of recesses of a sandwiching core. The structure of the core permits stacking of the annular body surfaces against one another and enables tape having a width approximately the same as that of the outer circumferential surface to support the tape wound about an adjacent core when the cores are stacked.

REFERENCES:
patent: 3508719 (1970-04-01), Browning
patent: 3848310 (1974-11-01), Steinback
patent: 4069914 (1978-01-01), Damsky
patent: 4081151 (1978-03-01), Ender

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