Endless tape cartridge

Details Endless tape cartridge Endless tape cartridge

1975-03-26

1977-05-17

Martin, Jr., William D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 1748

Patent

active

040237451

ABSTRACT:
An endless tape cartridge has upper and lower casings, and a reel contained in a room formed in the casings and consisting of a winding core and a disc, wherein an endless tape is led from the central portion of the reel to the peripheral portion thereof through the outside of the reel. The inner surface of the disc which is brought into contact with one side of the endless tape is separated into internal and external areas in a radial direction. The internal area has a layer with a friction factor smaller than that of the external area.

REFERENCES:
patent: 2363627 (1944-11-01), Van der Schalie
patent: 2921787 (1960-01-01), Cousino
patent: 2951654 (1960-09-01), Steelman
patent: 3245630 (1966-04-01), Morris et al.

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