Stop brake for supply mandrel

Details Stop brake for supply mandrel Stop brake for supply mandrel

1991-05-31

1994-05-24

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 7543, B65H 2308

Patent

active

053141369

ABSTRACT:
A stop brake for a supply roll mandrel includes at least one brake arm pivotally connected to a support and capable of being pivoted out of braking engagement with the mandrel in response to advancement of sheet material from a supply roll against the return bias of a spring element. The brake arm cooperates with sheet material which is caused to follow a path around a dancer bar secured to the lower end of the brake arm causing the disengagement of the brake. The brake is caused to cooperate with the outer surface of a mandrel upon which a supply roll is mounted through a intermediary of a strap which holds the mandrel surface against rotation when advancement of sheet material is stopped.

REFERENCES:
patent: 2336751 (1943-12-01), Sandberg
patent: 3241784 (1966-03-01), Bzdelik, Jr. et al.
patent: 3463413 (1969-08-01), Smith
patent: 3520485 (1970-07-01), Hank
patent: 3688999 (1972-09-01), Plattner et al.
patent: 3885747 (1975-05-01), Moss et al.
patent: 3899143 (1975-08-01), Slezak
patent: 3937422 (1976-02-01), Kato
patent: 4074873 (1978-02-01), Hayashi et al.
patent: 4350454 (1982-09-01), Schoenlein
patent: 4646911 (1987-03-01), Pearl et al.
patent: 5011561 (1991-04-01), Carolus et al.

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