Let-off device with constant tension

Details Let-off device with constant tension Let-off device with constant tension

2008-03-04

2008-03-04

Cuomo, Peter M. (Department: 3654)

Winding, tensioning, or guiding

Tension control or brake

Supply controlled

C242S156200

Reexamination Certificate

active

11249185

ABSTRACT:
A spool (1) mounted on a rotating shaft (2) with a brake drum (3) attached to it is mounted onto a swing lever (4). The swing lever is hinged on a creel channel (6). A loading-force is pushing the brake drum against a fixed brake shoe (9) which is located at such an angle to the swing lever that the tension in the withdrawn strand (10) is not dependant on the diameter of the spool but is constant.

REFERENCES:
patent: 2766945 (1956-10-01), Reich
patent: 2983468 (1961-05-01), Perrella
patent: 3731889 (1973-05-01), Alexeff
patent: 6010089 (2000-01-01), Winafeld et al.
patent: 6435445 (2002-08-01), Slezak

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