Symmetrical braking system for a graphic recorder

Details Symmetrical braking system for a graphic recorder Symmetrical braking system for a graphic recorder

1987-07-20

1989-05-02

Goldberg, E. A.

Recorders

Markers and/or driving means therefor

Stylus feature

346 46, 346 29, 346 49, 188 67, 188 821, 74531, 192 41R, G01D 1516, G05G 506, B65H 5910, F16D 6300

Patent

active

048272930

ABSTRACT:
A symmetrical braking system for a graphic recorder includes a generally cylindrical brake support supported by a carriage drive and having a combination of cam surfaces. A brake rotor is rotatable supported upon the brake support and defines an arrangement of captivating notches which receive a pair of brake shoes in an overlying arrangement. Bearing means are coupled to each of the brake shoes and are driven by the cam surfaces of the brake support. A coupling arrangement is secured to the brake rotor and provides a coupling for rotational forces between the brake rotor and an actuator beam extending through the brake structure. Rotational forces applied to the actuator beam are coupled to the brake rotor and the bearing means cooperate with the cam surfaces to move the brake shoes into or out of engagement with the actuator beam as a function of rotational position.

REFERENCES:
patent: 3092227 (1963-06-01), Dossier

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