Mechanism generating helical/elliptical motion

Details Mechanism generating helical/elliptical motion Mechanism generating helical/elliptical motion

1978-05-09

1982-12-07

Reynolds, Wm. Carter

Sewing

Stitch forming

Chain or double chain

112220, D05B 110, D05B 5702, D05B 6902

Patent

active

043621139

ABSTRACT:
A Cardan gear assembly having an output centerpoint means which moves along an elliptical path. A force transfer means connects the output centerpoint to a means operative to carry a work performing means. The major axis swept out by the means operative being skewed with respect to the major axis of the ellipse which is swept out by the output centerpoint. As a result, the work performing means will be swept along a curve which is of a portion of a helix as well as part elliptical. This curve takes the form of a partial helix wherein the outgoing path is different from the return path.

REFERENCES:
patent: 2193344 (1940-03-01), Reece
patent: 2667135 (1954-01-01), Bell
patent: 2704042 (1955-03-01), Wallenberg et al.
patent: 3318274 (1967-05-01), Schoij
patent: 3688711 (1972-09-01), Szostak et al.
patent: 4022140 (1977-05-01), Lienemann
Product Engineering, 9/28/59, pp. 66, 67.

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