Mechanical coupling device for two parallel shafts allowing rota

Details Mechanical coupling device for two parallel shafts allowing rota Mechanical coupling device for two parallel shafts allowing rota

1987-03-09

1988-08-16

Staab, Lawrence

Machine element or mechanism

Mechanical movements

Oscillating to oscillating

74470, 74567, 74569, F16H 2144, F16H 5300

Patent

active

047635401

ABSTRACT:
A device is provided for mechanically coupling two parallel shafts together allowing rotation thereof in a 2/1 ratio in an angular sector defined, by producing a very rigid connection without lost motion, with a minimum of parasite torque and insensitive to environmental vibrations. It includes a first piece mounted on a shaft and having two guide elements and a second piece mounted on a shaft having two arms provided with flat surfaces on which the guide elements move. The center of these latter, as well as the axis of rotation of the second shaft, are on a circle centered on the axis of rotation of the first shaft. Preferably, one of the pieces is made in two parts, one being integral with the associated shaft and the other freely mounted on this shaft, and a return spring holds said guide elements against the flat surfaces, these elements being formed by ball bearings.

REFERENCES:
patent: 432386 (1890-07-01), Emmons
patent: 2611292 (1952-09-01), Chandler
patent: 2741132 (1956-10-01), Goldberg
patent: 3353417 (1967-11-01), Nebendorf et al.
patent: 3491605 (1970-01-01), MacDonald
patent: 4109540 (1978-08-01), Habiger
patent: 4111062 (1978-09-01), Callaghan
Ingenious Mechanisms for Designers & Inventors, vol. III, Holbrook L. Horton, 1956, pp. 251-257.
Ingenious Mechanisms for Designers & Inventors, vol. IV, J. A. Newell et al., 1967, pp. 251-252.
Mechanisms, Linkages & Mechanical Controls, N. P. Chironis, 1965, p. 62.

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