Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1982-04-09
1984-05-15
Levy, Stuart S.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242186, 242191, G11B 1544, B65H 1702, B65H 5938
Patent
active
044483643
ABSTRACT:
A web drive system for automatically reversing the direction of travel of the web when the end of the web is reached. A reversible electric motor provides power to either the supply or take up spindles. An end of the web is affixed to each of the spindles so that either spindle can be provided with power to draw the web from the other spindle. A planetary gear system provides power to whichever spindle acts as the take up spindle until the end of the web is sensed. The motor is then reversed and the planetary gear then provides power to the other spindle, which was previously the supply spindle.
REFERENCES:
patent: 2762004 (1956-06-01), Shepardson
patent: 2851646 (1958-06-01), Williamson et al.
patent: 3923267 (1975-12-01), Eckerd et al.
patent: 3999197 (1976-12-01), Iwashita et al.
patent: 4010918 (1977-03-01), Kato
patent: 4034619 (1977-07-01), Seregni
Flint John R.
Frystak Richard
Johnston Robert F.
Bell & Howell Company
Haggard Alan H.
Haugland Scott J.
Johnson Neal C.
Levy Stuart S.
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