Variable-profile cam, especially for a reproducing machine

Details Variable-profile cam, especially for a reproducing machine Variable-profile cam, especially for a reproducing machine

1974-11-26

1976-09-07

Scott, Samuel

Machine element or mechanism

Elements

Cams

74568FS, F16H 5304

Patent

active

039787419

ABSTRACT:
The invention relates to a variable-profile cam of the kind comprising a cam-surface formed by one of the longitudinal faces of a thin strip extending freely between at least two supports, of which at least one is adjustable transversely in position, in which the thin strip is made of an elastically-deformable material, and the transverse moment of inertia of the strip can vary between the two supports, for example by variation of the width or the thickness of the strip. The invention is particularly applicable to cams for reproducing machines for the production of aspherical surfaces of moulds for contact lenses.

REFERENCES:
patent: 855773 (1907-06-01), Hanson
patent: 2945397 (1960-07-01), Caler et al.
patent: 3792408 (1974-02-01), Gorgens et al.
patent: 3792627 (1974-02-01), Tarello

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