Friction transmitting apparatus

Details Friction transmitting apparatus Friction transmitting apparatus

1981-09-28

1983-12-27

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 683, 310103, B65H 1702, H02K 4910

Patent

active

044225890

ABSTRACT:
In an apparatus in which there is provided a driving pulley around a rotatable shaft which constructs a driven member in a manner freely rotatable with an external force so that the rotational force of the driving pulley is transmitted to the driven member due to the friction, a friction transmitting apparatus characterized in that there are further provided a magnetized member mounted on the driving pulley and a magnet mounted around the driven rotatable shaft so that the magnet attracts the magnetized member to thereby transmit the rotational force of the driving pulley to the driven member.

REFERENCES:
patent: 2437997 (1948-03-01), Charlin
patent: 3092984 (1963-06-01), Kramer et al.
patent: 3183385 (1965-05-01), Gabriel
patent: 3467821 (1969-09-01), Arp
patent: 4327301 (1982-04-01), Janson
patent: 4343441 (1982-08-01), Graham

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