Compact gear reducer for rotation through an angle in either dir

Planetary gear transmission systems or components – Planet periphery surrounds axis of interacting gear

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475177, 475178, 74425, F16H 116, F16H 132

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054843456

ABSTRACT:
A gear reducer for reciprocal rotation wherein the rotation of a motor 1 is transmitted to a worm pinion 4 integrated with an input shaft 2, and is further transmitted to a helical worm wheel 10. The helical worm wheel 10 and an eccentric member 11 are spline coupled to each other, and a pin flange 13 is rotated by a planetary gear structure of a trochoid-tooth-profile inscribing type. Consequently, a pinion shaft (output shaft) 14 integrated with the pin flange 13 rotates, and an outside gear 19 rotates.

REFERENCES:
patent: 3037400 (1962-06-01), Sundt
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patent: 3735645 (1973-05-01), Pickles
patent: 4177695 (1979-12-01), Grove
patent: 4615230 (1986-10-01), Guichard
patent: 4641887 (1987-02-01), Klueting
patent: 4926712 (1990-05-01), Stritzel
patent: 4993277 (1991-02-01), Adam et al.
patent: 5005906 (1991-04-01), Suzuki et al.
patent: 5116291 (1992-05-01), Toyosumi et al.
patent: 5123883 (1992-06-01), Fukaya
patent: 5181891 (1993-01-01), Pohl et al.
Mechanism and Dynamics of Machinery, Mabiel & Reinholtz, 4th ed., 1987 John Wiley and Sons, pp. 140-141, 162-164.

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