Machine element or mechanism – Mechanical movements – Oscillating to oscillating
Patent
1984-02-21
1985-11-12
Moy, Magdalen Y. C.
Machine element or mechanism
Mechanical movements
Oscillating to oscillating
F16H 2144
Patent
active
045520291
ABSTRACT:
A crank pin is eccentrically located on a motor driven crank plate. The pin engages a radial slot of a two-arm intermediate pivot lever in the manner of a Geneva drive. A bearing socket is located on the arm of the intermediate pivot lever opposite the slot, and is rotatable about an axis parallel to the pivot axis of the lever. The bearing socket axially guides a connecting rod that is perpendicular to a transport lever to be pivoted and is joined with it fixedly in rotation. By the rotation of the crank plate in the one or the other direction, the transport lever is pivoted back and forth. Its two terminal positions are defined by stops. The distance between the axis of the intermediate pivot lever and the bearing socket is dimensioned so that a slight overtravel is obtained and the connecting rod is stressed lightly upon reaching each of the terminal positions, so that the transport lever is held elastically against the stop.
This device assures a harmonic motional process without jolts and impacts as well as precise positioning of the transport lever.
REFERENCES:
patent: 454983 (1891-06-01), Mills
patent: 1047003 (1912-12-01), Diehl
patent: 2377755 (1945-06-01), Buechmann
patent: 2741169 (1956-04-01), Weiss
patent: 4203664 (1980-05-01), Clifton et al.
patent: 4204733 (1980-05-01), Modney et al.
patent: 4377953 (1983-03-01), Hagen
Gretag Aktiengesellschaft
Moy Magdalen Y. C.
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