Patent ID: 9133953
Filing Date: 2015-09-15
Classification: F16H,F16K,H02K

Abstract:
1. A linear travel structure of an electrical operating device, comprising: a body, wherein the body comprises a substrate arranged at one side thereof so that the substrate and the body enclose, delimit, and define a first receiving space; a cover, wherein the cover is arranged at one side of the body in such a way that the cover and the substrate enclose, delimit, and define a second receiving space; an electrical machine, which is mounted to a surface of the substrate and is received in the second receiving space; a first transmission assembly, wherein the first transmission assembly is received in the first receiving space and the first transmission assembly is operatively coupled to the electrical machine; a second transmission assembly, wherein the second transmission assembly is received in the first receiving space and the second transmission assembly is operatively coupled to the first transmission assembly; and a third transmission assembly, wherein the third transmission assembly is received in the first receiving space and the third transmission assembly is operatively coupled to the second transmission assembly; wherein the third transmission assembly comprises a central gear, at least three planetary gears, a planet rack, a worm gear/internal gear, and an output shaft, the central gear mating the planetary gears, the planetary gears mating the worm gear/internal gear, the worm gear/internal gear and the planet rack being operable corresponding to each other, the planet rack being coupled to the output shaft.