Cam driven curve tracking apparatus

Details Cam driven curve tracking apparatus Cam driven curve tracking apparatus

1979-09-10

1980-08-05

Haroian, Harry N.

Geometrical instruments

Scriber

Curved line

B43L 1300

Patent

active

042154790

ABSTRACT:
An improved curve drawing apparatus of simplified construction has a base carrying a spindle about which are rotated interchangeable single or paired cams, a spring loaded cam follower movable along a Y-axis by one of the rotating cams, a second spring loaded cam follower mounted entirely on the first cam follower and movable independently along an X-axis by the same or a second rotating cam while simultaneously following the Y-axis movement of the first cam follower. A stylus arm is mounted on the second cam follower and traces the combined X-Y motion of the second cam follower to draw a curve which is determined by the shape of the cams. Multiple axes of cam rotation are provided for creating a variety of curves with a given cam or combination of cams and an interchangeable knob is included to facilitate manual rotation of the cams.

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