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1. (WO2015175606) ORGANE FLEXIBLE D'ACTIONNEUR PRÉSENTANT UN ÉLÉMENT DE RÉACTION
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

WHAT IS CLAIMED IS:

1. An actuator, comprising:

a stiff base member defining a bottom of said actuator;

a flexible member connected to said stiff base member and having a sidewall and a contact surface on top of said flexible member, said flexible member and said stiff base member defining a fluid chamber therebetween, said sidewall having a first end connected to said stiff base member and a second end, said second end and said contact surface defining a transition area therebetween, said flexible member being configured to expand when said fluid chamber is filled with fluid; and

a reaction feature placed on said transition area that is configured to govern movement of said sidewall.

2. The actuator according to claim 1, wherein said reaction feature is a mass of material.

3. The actuator according to claim 2, wherein said mass of material is a protrusion of said sidewall.

4. The actuator according to claim 2, wherein said mass of material has a material distribution across said transition area, said material distribution being higher in an area adjacent to said second end than in an area adjacent to said contact surface.

5. The actuator according to claim 2, wherein said flexible member has a recess formed between said mass of material and said contact surface.

6. The actuator according to claim 2, wherein said reaction feature is one of continuous and segmented.

7. The actuator according to claim 2, wherein said flexible member has a recess formed between said transition area and said contact surface, said recess defining a boundary between said transition area and said contact surface.

8. The actuator according to claim 1, wherein said flexible member and said reaction feature are formed of the same material.

9. The actuator according to claim 1, wherein said reaction feature is integrally formed with said flexible member.

10. An actuator, comprising:

a base;

a flexible member connected to said base, said flexible member having a sidewall and a contact surface, an area between said sidewall and said contact surface defining a transition area; and

a reaction feature placed on said transition area that is configured to govern movement of said sidewall.

11. The actuator according to claim 10, wherein said reaction feature is a mass of material.

12. The actuator according to claim 11, wherein said mass of material is a protrusion of said sidewall.

13. The actuator according to claim 11, wherein said mass of material has a material distribution across said transition area, said material distribution being higher in an area adjacent to said second end than in an area adjacent to said contact surface.

14. The actuator according to claim 11, wherein said flexible member has a recess formed between said mass of material and said contact surface.

15. The actuator according to claim 11, wherein said reaction feature is one of continuous and segmented.

16. The actuator according to claim 11, wherein said flexible member has a recess formed between said transition area and said contact surface, said recess defining a boundary between said transition area and said contact surface.

17. The actuator according to claim 10, wherein said flexible member and said reaction feature are formed of the same material.

18. The actuator according to claim 10, wherein said reaction feature is integrally formed with said flexible member.