JPH01180893U

JPH01180893U -

Info

Publication number: JPH01180893U
Application number: JP7005288U
Authority: JP
Priority date: 1988-05-27
Filing date: 1988-05-27
Publication date: 1989-12-26

Description

[Brief explanation of the drawing]

第１，２図は本考案の一実施例を示す超音波モ
ータの断面図、第３，４図は他の実施例を示す超
音波モータの要部断面図、第５，６図は更に他の
実施例を示す超音波モータの断面図、第７図は超
音波モータの動作原理を説明する一部拡大斜視図
、第８図は超音波振動子の配置図、第９図は超音
波モータの回転原理図である。２……固定子、４，２４，３４……回転子、５
……ハウジング、６……押圧調整ねじ、１６，２
９，３９……軸受、２７，４０……押圧調整ナツ
ト、４１，４２……皿状ばね。 Figures 1 and 2 are sectional views of an ultrasonic motor showing one embodiment of the present invention, Figures 3 and 4 are sectional views of essential parts of an ultrasonic motor showing other embodiments, and Figures 5 and 6 are further sectional views of other embodiments. FIG. 7 is a partially enlarged perspective view illustrating the operating principle of the ultrasonic motor, FIG. 8 is a layout diagram of the ultrasonic vibrator, and FIG. 9 is the ultrasonic motor. FIG. 2... Stator, 4, 24, 34... Rotor, 5
...Housing, 6...Press adjustment screw, 16,2
9, 39...bearing, 27, 40...pressure adjustment nut, 41, 42...disc spring.

Claims

[Claims for Utility Model Registration] A stator in which an electric-ultrasonic conversion element is bonded to an annular elastic body, a rotor in frictional contact with the surface of the elastic body, and a rotor in frictional contact with the surface of the elastic body. A motor comprising a pressing means for pressing the motor, characterized in that the pressing means is a pressure adjustment device using a screwing means that presses from either the stator side or the rotor side to the other via a bearing. ultrasonic motor.