JPS62159194U

JPS62159194U -

Info

Publication number: JPS62159194U
Application number: JP4298486U
Authority: JP
Priority date: 1986-03-26
Filing date: 1986-03-26
Publication date: 1987-10-09

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図は第１図に示す超音波振動モータの回転力を従
来と比較したグラフ、第３図は従来の超音波振動
モータの構成を示す断面図、第４図は振動子の形
状を示す図、第５図は第４図の―線断面図、
第６図は回転子の形状を示す図、第７図は第６図
の―線断面図である。１，２，２１……ケーシング、３，１３，２３
……振動子、４，１４，２４……ネジ、５，１５
，２５……回転子、６，２６……回転軸、７……
接触フランジ、８……円板部、９，１０，１９，
２９……軸受、２０……超音波振動モータ、２２
……圧電素子。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a graph comparing the rotational force of the ultrasonic vibration motor shown in Fig. 1 with the conventional one, Fig. 3 is a sectional view showing the configuration of the conventional ultrasonic vibration motor, and Fig. 4 is a diagram showing the shape of the vibrator. Figure 5 is a sectional view taken along the line - in Figure 4.
FIG. 6 is a diagram showing the shape of the rotor, and FIG. 7 is a sectional view taken along the line -- in FIG. 6. 1, 2, 21...Casing, 3, 13, 23
... Vibrator, 4, 14, 24 ... Screw, 5, 15
, 25...Rotor, 6, 26...Rotating shaft, 7...
Contact flange, 8... Disk portion, 9, 10, 19,
29...Bearing, 20...Ultrasonic vibration motor, 22
……Piezoelectric element.

Claims

[Scope of utility model registration request]

An ultrasonic vibration motor having a ring-shaped vibrator that generates a traveling wave by a vibration source that generates ultrasonic vibration, and a rotor that is pressed against the vibrator and rotates by the traveling wave to rotate a rotating shaft,
An ultrasonic vibration motor characterized in that a plurality of sets of other vibrators and rotors having the rotation axis coaxial are provided.