Apparatus for tensioning band or web portions running off and on

Details Apparatus for tensioning band or web portions running off and on Apparatus for tensioning band or web portions running off and on

1983-07-19

1985-08-06

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 753, 242195, 242209, G11B 548, G11B 578

Patent

active

045330905

ABSTRACT:
In apparatus for tensioning film strip unwinding from one roller and running onto another roller in a cassette or camera, a D.C. motor is provided of which the armature shaft and/or the stator are freely rotatably mounted. The winding cores of the rollers are placed on the armature shaft and stator.

REFERENCES:
patent: 2126470 (1938-08-01), Johnson
patent: 3498569 (1970-03-01), Kjos
patent: 3679215 (1972-07-01), Roberts et al.

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