Patent ID: 6065362
Filing Date: 2000-05-23
Classification: F16H,Y10T

Abstract:
A sealed wave gear device comprising:a tubular housing;a first end plate placed at a first open end on one side of the device housing;a second end plate placed at a second open end on the other side of the device housing;an input shaft which is coaxially placed inside the tubular housing and whose ends are rotatably supported by the first and second end plates respectively;a first sealing means for sealing the tubular housing to the first end plate;a second sealing means for sealing the tubular housing to the second end plate;a third sealing means for sealing the first end plate to the input shaft;a fourth sealing means for sealing the second end plate to the input shaft;a wave gear mechanism including a rigid internal gear and a flexible external gear; anda bearing for supporting the rigid internal gear and the external gear so that they are rotatable relative to each other, an outer ring of the bearing is connected to the flexible external gear and an inner ring of the bearing is connected to the rigid internal gear;wherein the wave gear mechanism and the bearing are completely accommodated in a sealed space defined by the tubular housing, the first and second end plates, and the first to fourth sealing means, wherein the outer ring of the bearing is distinct from and internal to the tubular housing and the outer ring is secured to the tubular housing with a fastener.