Patent ID: 7183679
Filing Date: 2007-02-27
Classification: F04D,F05D,F16D,H02K

Abstract:
1. A motor with anti-loose device, comprising: a shaft hollow seat, being cylindrical with an annular projection at the middle section of inner wall surface thereof for a lower bearing pressing against the bottom of the projection and an upper bearing sitting on the top of the projection and being provided with an annular recess at the outer wall near the top thereof; and a motor set, having an insulation frame with a circular central part being disposed to surround the shaft seat with a gap spacing from the outer wall surface of the shaft hollow seat and a silicone sheet assembly providing a plurality of silicone sheets being wound with coils and supported by the insulation frame and contacting with the outer wall surface of the shaft hollow seat; and a spindle, being located at the center of the shaft hollow seat and fitting with the bearings; characterized in that a circular locating member has an L-shaped cross section with a long side and a short side; the long side has a thickness the same as the gap between the outer wall surface of the shaft hollow seat and the insulation frame and an engaging part protrudes from the long side corresponding to the annular recess such that the circular locating member is capable of being located at the top of the shaft hollow seat in a way of being sandwiched between the outer wall surface of the shaft hollow seat and the insulation frame, the engaging part engaging with annular recess and the free end of the long side pressing the top of the silicone assembly and the a short side of the L-shaped cross section is capable of pressing the top of shaft hollow seat.