JPS6440293U

JPS6440293U -

Info

Publication number: JPS6440293U
Application number: JP13515587U
Authority: JP
Priority date: 1987-09-04
Filing date: 1987-09-04
Publication date: 1989-03-10
Anticipated expiration: 2002-09-04
Also published as: JPH0619338Y2

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の超音波リニアモータの一つの
実施例を示す斜視図、第２図は第１図の駆動足の
変形の動作原理を示す正面図、第３図は本考案の
別の実施例を駆動足の変形の様子を交えて示した
正面図である。１０……移動子、１１，１２……駆動足、１３
……接続部、１４……支持部、１５，１６……振
動子、１７……振動伝達部、２０……走行面。 Fig. 1 is a perspective view showing one embodiment of the ultrasonic linear motor of the present invention, Fig. 2 is a front view showing the operating principle of deformation of the driving leg of Fig. 1, and Fig. 3 is another embodiment of the ultrasonic linear motor of the present invention. FIG. 3 is a front view showing the embodiment along with the deformation of the driving leg. 10...Mover, 11, 12...Drive leg, 13
...Connection section, 14... Support section, 15, 16... Vibrator, 17... Vibration transmission section, 20... Running surface.

Claims

【実用新案登録請求の範囲】 (1) 弾性体からなる移動子に、特定共振周波数
によつてたわみ共振する、同一共振周波数の二本
の駆動足を運動方向に離間して設け、かつ上記移
動子に、上記駆動足に振動を与える、該駆動足に
対応した二つの圧電振動子または電歪振動子を設
け、この圧電振動子または電歪振動子に位相の異
なる同一の周波電圧を印加することを特徴とする
超音波リニアモータ。 (2) 実用新案登録請求の範囲第１項において、
移動子は、二本の駆動足の端部に、両足を接続す
る接続部と、この接続部の中間に垂下形成された
支持部とを有し、二つの圧電振動子または電歪振
動子は、この支持部と各駆動足との間にそれぞれ
挾着されている超音波リニアモータ。 (3) 実用新案登録請求の範囲第１項において、
移動子は、二本の駆動足の端部に、両足を接続す
る接続部と、この接続部の中間に垂下形成された
支持部と、この支持部の端部に接続部と平行して
形成された振動伝達部を有し、二つの圧電振動子
または電歪振動子は、振動伝達部と接続部との間
に、支持部を中心として左右対称位置に挾着され
ている超音波リニアモータ。[Claims for Utility Model Registration] (1) A movable element made of an elastic body is provided with two drive legs having the same resonance frequency and spaced apart in the direction of movement, which flexurally resonate at a specific resonance frequency, and the above-mentioned movement Two piezoelectric vibrators or electrostrictive vibrators corresponding to the driving legs that give vibration to the driving legs are provided in the child, and the same frequency voltage with different phases is applied to the piezoelectric vibrators or electrostrictive vibrators. An ultrasonic linear motor characterized by: (2) In paragraph 1 of the claims for utility model registration,
The mover has, at the ends of the two drive legs, a connection part that connects both legs, and a support part that is formed hanging down between the connection parts, and the two piezoelectric vibrators or electrostrictive vibrators are connected to each other. , an ultrasonic linear motor is clamped between this support and each drive leg. (3) In paragraph 1 of the claims for utility model registration,
The mover has a connection part connecting both legs at the ends of the two drive legs, a support part formed hanging down in the middle of this connection part, and a support part formed parallel to the connection part at the end of this support part. The ultrasonic linear motor has a vibration transmitting part, and two piezoelectric vibrators or electrostrictive vibrators are clamped at symmetrical positions centering on the support part between the vibration transmitting part and the connecting part. .