Actuator mechanism for a pencil carriage

Details Actuator mechanism for a pencil carriage Actuator mechanism for a pencil carriage

1992-02-14

1995-02-28

Fuller, Benjamin H.

Recorders

Markers and/or driving means therefor

Stylus feature

33 181, G01D 1524

Patent

active

053941748

ABSTRACT:
An actuator mechanism for a pencil carriage in which a motor is coupled to a lead holder to move the lead holder relative to a drawing media surface, a pusher mechanism moves a lead carried by an internal of the lead holder relative to the position of the lead holder and the drawing media surface independently of the movement of the lead holder and a plotter control and sensors coupled thereto are provided for synchronizing the operation of the motor and the pusher mechanism to control the position of the lead relative to the lead holder and the drawing media surface. In a particular embodiment, the pusher mechanism includes a pusher rod for engaging the lead, a movable rack and a pinion gear engaged therewith, the movable rack being coupled to the pusher rod to move the lead, and a motor for driving the pinion gear.

REFERENCES:
patent: 4452544 (1984-06-01), Sumita
patent: 4617739 (1986-10-01), Kubo
patent: 4905016 (1990-02-01), Kobayashi et al.
patent: 4991300 (1991-02-01), Takahashi
patent: 5179393 (1993-01-01), Takahashi
Schwarz et al., "Pictorial Handbook of Technical Devices", Chem. Pub. Co. 1971 pp. 66-67.

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