JPH0468495U

JPH0468495U -

Info

Publication number: JPH0468495U
Application number: JP10905090U
Authority: JP
Priority date: 1990-10-19
Filing date: 1990-10-19
Publication date: 1992-06-17

Description

[Brief explanation of drawings]

第１図はこの考案の第１の実施例である往復走
行超音波リニアモータの直線帯状振動体を示す平
面図、第２図は同直線帯状振動体を示す側面図、
第３図は同直線帯状振動体を示す正面図、第４図
は同直線帯状振動体の支持位置を示す正面図、第
５図は同直線帯状振動体の支持状態を示す斜視図
、第６図は同直線帯状振動体の支持状態を示す側
面図、第７は図この考案の第２の実施例である往
復走行超音波リニアモータの直線帯状振動体を示
す平面図、第８図は同直線帯状振動体を示す正面
図、第９図は同直線帯状振動体の支持位置を示す
正面図、第１０図は同直線帯状振動体の支持状態
を示す斜視図、第１１図は同直線帯状振動体の支
持状態を示す側面図、第１２図はこの考案の第３
の実施例である往復走行超音波リニアモータの直
線帯状振動体を示す平面図、第１３図は同直線帯
状振動体を示す正面図、第１４図は同直線帯状振
動体の支持位置を示す正面図、第１５図は同直線
帯状振動体の支持状態を示す斜視図、第１６図は
同直線帯状振動体の支持状態を示す側面図、第１
７図および第１８図はこの考案の実施例である往
復走行超音波リニアモータの作用を示す部分正面
図である。１……直線帯状弾性体、１ａ，１ｂ，１ｃ，１
ｄ……突起部、２……導電性接着剤、３ａ，３ｂ
，３ｃ，３ｄ……圧電振動子、４……導電線材、
５……移動体、７，８……超音波電気信号源。 FIG. 1 is a plan view showing a linear band-shaped vibrating body of a reciprocating ultrasonic linear motor which is the first embodiment of this invention, and FIG. 2 is a side view showing the same linear band-shaped vibrating body.
FIG. 3 is a front view showing the linear band-shaped vibrating body, FIG. 4 is a front view showing the supporting position of the linear band-shaped vibrating body, FIG. 5 is a perspective view showing the supporting state of the linear band-shaped vibrating body, and FIG. Figure 7 is a side view showing the support state of the linear band-shaped vibrating body, Figure 7 is a plan view showing the linear band-shaped vibrating body of the reciprocating ultrasonic linear motor which is the second embodiment of this invention, and Figure 8 is the same. FIG. 9 is a front view showing the support position of the linear strip vibrating body, FIG. 10 is a perspective view showing the supporting state of the linear strip vibrating body, and FIG. 11 is a front view showing the supporting position of the linear strip vibrating body. A side view showing the supporting state of the vibrating body, FIG. 12 is the third example of this invention.
Fig. 13 is a front view showing the linear band-shaped vibrating body of the reciprocating ultrasonic linear motor which is an embodiment of the invention, and Fig. 14 is a front view showing the support position of the linear band-shaped vibrating body. 15 is a perspective view showing the supported state of the linear band-shaped vibrating body, FIG. 16 is a side view showing the supporting state of the linear band-shaped vibrating body, and FIG.
7 and 18 are partial front views showing the operation of a reciprocating ultrasonic linear motor which is an embodiment of this invention. 1... Straight band-shaped elastic body, 1a, 1b, 1c, 1
d... Protrusion, 2... Conductive adhesive, 3a, 3b
, 3c, 3d... piezoelectric vibrator, 4... conductive wire,
5... Mobile object, 7, 8... Ultrasonic electrical signal source.

補正平２．１２．２８図面の簡単な説明を次のように補正する。明細書第１４頁第１１行「第７は図」を「第７
図は」と補正する。Amendment 12/28/2012 The brief description of the drawing is amended as follows. Page 14 of the specification, line 11, “7th is a figure” is changed to “7th
The figure is corrected.

Claims

[Claims for Utility Model Registration] 1. Two ultrasonic electric signals having a phase difference of π2 from each other are applied to the piezoelectric elements of a linear band-shaped vibrating body obtained by joining a plurality of piezoelectric vibrators at equal intervals to a linear band-shaped elastic body. In a reciprocating ultrasonic linear motor that vibrates a linear band-shaped vibrating body by applying a force to the linear band-shaped vibrating body, the moving body is pressed against a plurality of protrusions provided on the linear band-shaped vibrating body, and the moving body is moved by frictional force. A reciprocating ultrasonic linear motor characterized in that the length is set to an integral multiple of the wavelength of the fundamental wave at which the linear band-shaped elastic body vibrates, or to an integral multiple of the wavelength of the fundamental wave plus a half wavelength. . 2 Set the width of the protrusion to 1/3 of the width of the linear elastic band.
A reciprocating ultrasonic linear motor according to claim 1 as follows. 3. The reciprocating ultrasonic linear motor according to claim 1, wherein the support position is set at a node of the fundamental wave of the linear band-shaped elastic body. 4. The reciprocating ultrasonic linear motor according to claim 1, wherein at least one of the protrusions is arranged at intervals of half a wavelength of the fundamental wave. 5. Claim 1, wherein the width of the linear band-shaped elastic body is approximately 1.5 times the width of the piezoelectric vibrator, and the width of the piezoelectric vibrator is set to be 0.6 times or more and 1 time or less the length of the piezoelectric vibrator.
reciprocating ultrasonic linear motor.