Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1984-06-29
1985-12-31
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242199, G01B 104, G11B 1532
Patent
active
045616094
ABSTRACT:
A tape spool including two flanges interconnected by a hub providing a cylindrical tape winding surface is adapted for mounting on and rotation around a cylindrical pin extending from one of two spaced, parallel walls of a data cartridge by providing a bore extending through the hub and one of the flanges which closely but freely fits said pin, and a bearing protrusion extending from the other of the flanges into the bore wherein the extension of the pin from its cartridge wall is greater than the length of the bore to the bearing protrusion so that the spool is suspended above the wall for free rotation about the pin. Oscillation of the spool on the pin may be prevented by also providing a wear-button protrusion extending from the other of the flanges opposite and coaxial with the bore and a spring which extends from the remaining cartridge wall to contact the wear-button protrusion and force the spool into contact with the pin.
REFERENCES:
patent: 2894700 (1959-07-01), Roberts et al.
patent: 3692255 (1972-09-01), Von Behren
patent: 4289282 (1981-09-01), Kohno
patent: 4452404 (1984-06-01), Gelardi et al.
U.S. Ser. No. 626,136 Patent Appln. filed 6/29/84-"Non-Oscillating Spool For Belt Driven Cartridge" Copending And Commonly-Assigned.
Collins Leslie M.
Zarr Myron
Anderson David L.
Christian Leonard D.
Minnesota Mining and Manufacturing Company
Sell Donald M.
Smith James A.
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