Quieted servoactuator

Details Quieted servoactuator Quieted servoactuator

F - Mech Eng,Light,Heat,Weapons

16

H

F16H 1/16 (2006.01) F16H 1/20 (2006.01) F16H 57/00 (2006.01)

Patent

CA 2122317

A quieted motorized servoactuator with a sub-fractional horsepower high rpm, low voltage motor (30) driving a gear train with about 900:1 reduction overall. The motor shaft has a metal worm (32) meshing with a first stage gear (34) of elastomeric material, preferably polyamide polyester, of a hardness not greater than 72 on the Shore "D" scale. The first stage gear has an integral pinion (38) meshed with a second stage gear (40) of harder thermoplastic material, preferably acetal. The second stage gear has an integral pinion (42) meshed with an output sector gear (46) formed of harder thermoplastic material preferably comprising polyamide filled one-third by volume with fine glass particles.

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