JP2008253068A5 - - Google Patents

Claims (14)

In the vibration wave drive device in which the elastic member joined to the electro-mechanical conversion element vibrates by supplying power to the electro-mechanical conversion element, and the linear slider relatively moves with respect to the elastic member .
A protruding member that is provided on the opposite side of the elastic member to the side to which the electro-mechanical conversion element is bonded, and that makes frictional contact with the linear slider;
The elastic member, the vibration wave driving apparatus characterized by having a penetration portion provided so as to penetrate the Oite the elastic member around the projecting member. It said projection member is vibration wave driving apparatus according to claim 1, characterized by comprising the elastic member of the same material or, et al.   The vibration wave driving device according to claim 2, wherein the penetrating portion surrounds three directions of the protruding member, and the protruding member is integrally connected to the elastic member in the remaining one direction. The electricity in the projecting member - the surface facing the transducer element, or, the electrical - according to claim 3, wherein the gap The inter the surface facing the protruding member in mechanical conversion element is provided Vibration wave drive device. The projecting member, the made of another material or colleagues elastic member, the vibration wave driving apparatus according to claim 1, wherein Tei Rukoto bonded to the elastic member. The elastic member further has an elastic deformation portion to which the projecting member is joined to a portion of their,
The through portion, the vibration wave driving device according to claim 5, characterized in that provided on the periphery of the front Symbol elastically deformable portion.   The vibration wave driving device according to claim 6, wherein the penetrating portion surrounds three directions of the elastic deformation portion, and the elastic deformation portion is integrally connected to the elastic member in the remaining one direction. The electricity in the elastically deformable portion - the surface facing the transducer element, or the electro - claim 7, wherein a gap portion is provided on a surface opposed to the elastic deformation part in the transducer Vibration wave drive device. The elastic deformation portion open end of the elastic deformation portion is the electro - bent away from the transducer, the electrical - gap is provided between the open end of the transducer the elastic deformation portion The vibration wave driving device according to claim 7.   The vibration wave driving device according to claim 6, wherein the penetrating portion includes a plurality of holes surrounding the elastic deformation portion. Wherein said electrical elastically deformable portion and the through portion - the vibration wave driving apparatus according to claim 10, characterized by further comprising a gap portion provided on the opposite side to the transducer. The vibration wave driving device according to claim 10, wherein the plurality of holes constituting the through portion have two or more types of cross-sectional shapes. The vibration wave driving device according to claim 10, wherein the plurality of holes constituting the through portion have a circular cross-sectional shape. The elastic member, the vibration wave driven apparatus according to any one of 請 Motomeko 1 to claim 13 you characterized in that it comprises a plate material of stainless steel.