Rack mount for a rack and pinion carriage moving mechanism

Details Rack mount for a rack and pinion carriage moving mechanism Rack mount for a rack and pinion carriage moving mechanism

1986-03-05

1987-08-18

Burr, Edgar S.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400320, 400332, 74422, B41J 1930

Patent

active

046873619

ABSTRACT:
A carriage moving mechanism includes a carriage movably mounted on a guide shaft, a travelling motor fixedly mounted on the carriage, the travelling motor including a pinion mounted on a rotary shaft thereof, a rack provided in substantially parallel to the guide shaft, the rack being rigid longitudinally and flexible in a perpendicular direction to the longitudinal direction, the rack having longitudinally a tooth part engaged with the pinion, the surface of the rack located on the opposite side of the surface of the tooth part being substantially parallel to the guide shaft, a roller rotatably mounted on the carriage, the roller radially facing to the pinion and making contact with the opposite side surface to the tooth surface of the rack, the rack being rotatably mounted on the frame in one end thereof and restricted by the frame in the other end thereof in the extent of moving thereof or directly fixed on the frame in the other end thereof.

REFERENCES:
patent: 565728 (1896-08-01), Fairfield
patent: 1525326 (1925-02-01), Seib
patent: 2741355 (1956-04-01), Dodge
patent: 3946852 (1976-03-01), Watson et al.
patent: 4526486 (1985-07-01), Kikuchi et al.

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