G - Physics – 11 – B
Patent
G - Physics
11
B
242/68, 242/61.0
G11B 23/087 (2006.01) G11B 23/037 (2006.01)
Patent
CA 1242425
Anti-Friction and Non Oscillating Spool For Belt Driven Cartridge Abstract A tape spool (16, 18) including two flanges (52, 54) interconnected by a hub (56) providing a cylindrical tape winding surface (58) is adapted for mounting on and rotation around a cylindrical pin (60) extending from one of two spaced, parallel walls (12, 14) of a data cartridge (10) by providing a bore (64) extending through the hub (56) and one of the flanges (54) which closely but freely fits said pin (60), and a bearing protrusion (66) extending from the other of the flanges (52) into the bore (64) wherein the extension of the pin (60) from its cartridge wall (12) is greater than the length of the bore (64) to the bearing protrusion (66) so that the spool (16, 18) is suspended above the wall (12) for free rotation about the pin (60). Oscillation of the spool (16, 18) on the pin (60) may be prevented by also providing a wear-button protrusion (72) extending from the other of the flanges (52) opposite and coaxial with the bore (64) and a spring (74) which extends from the remaining cartridge wall (14) to contact the wear-button protrusion (72) and force the spool (16, 18) into contact with the pin (60).
482131
Collins Leslie M.
Zarr Myron
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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