Vibration motor

Claim 2

A vibration wave motor comprising: (a) a vibration member for generating a vibration wave by an applied electrical signal; (b) a contacting member having a sliding portion which contacts said vibration member and for receiving the vibration wave generated in said vibration member, wherein said sliding portion consists of a composite resin comprising a filled formulated in a thermoplastic resin having a glass transition point of 100° C. or higher.

Claim 3

A vibration wave motor according to claim 1, wherein the composite resin containing said thermoplastic resin is a composite resin comprising 10% to 30% of carbon fibers filled therein in terms of weight ratio.

Claim 4

A vibration wave motor according to claim 1, wherein the composite resin containing said thermoplastic resin is a composite resin comprising at least a mixture of 30% or less of carbon fibers and 10% or less of potassium titanate whiskers filled therein in terms of weight ratio.

Claim 5

A vibration wave motor according to claim 2 or claim 3, wherein the composite resin containing said thermoplastic resin is a composite resin comprising about 5% of a fluorine resin filled therein in terms of weight ratio.

Claim 6

A vibration wave motor according to claim 1, wherein the composite resin containing said thermoplastic resin is a composite resin comprising about 5% of a fluorine resin filled therein in terms of weight ratio.

Claim 7

A vibration wave motor comprising: (a) a vibration member for generating a vibration wave by an applied electrical signal; (b) a supporting member; (c) a contacting member for contacting said vibration member and for receiving the vibration wave generated in said vibration member, wherein said contacting member consists of a composite resin comprising a filler formulated in a thermoplastic resin having a glass transition point of 100° C. or higher; (d) an adhesive means for adhering said contacting means to said supporting member, said adhesive means having a glass transition point of 100° C. or higher.

Claim 8

A vibration wave motor comprising: (a) a vibration member for generating a vibration wave by an applied electrical signal; (b) a supporting member; (c) a contacting member for contacting said vibration member and for receiving the vibration wave generated in said vibration member, wherein said contacting member consists of a composite resin comprising a filler formulated in a thermoplastic resin having a glass transition point of 100° C. or higher; (d) an adhesive means for adhering said contacting means to said supporting member, said adhesive means having a glass transition point of 100° C. or higher.

Claim 9

A vibration wave motor comprising: (a) a vibration means for generating a vibration wave by an applied electrical signal, wherein said vibration means is formed of a martensite type stainless steel having a friction surface of a super-hard material comprising tungsten carbide and cobalt coated by flame spraying, said friction surface having a Vickers' hardness of 800 to 1200 and a surface hardness of 0.2 S to 0.6 S; (b) a contacting means having a sliding portion which contacts the friction surface of said vibration means and for receiving the vibration wave generated in said vibration means, wherein said sliding portion consists of a composite resin comprising a filler formulated in a resin having a glass transition point of 100° C. or higher.

Claim 10

A vibration wave motor comprising: (a) a vibration means for generating a vibration wave by an applied electrical signal, wherein said vibration means is formed of a martensite type stainless steel having a friction surface of a super-hard material comprising tungsten carbide and cobalt coated by flame spraying, said friction surface having a Vickers' hardness of 800 to 1200 and a surface hardness of 0.2 S to 0.6 S; (b) a contacting means having a sliding portion which contacts the friction surface of said vibration means and for receiving the vibration wave generated in said vibration means, wherein said sliding portion consists of a composite resin comprising a filler formulated in a resin having a glass transition point of 100° C. or higher.

Claim 11

A vibration wave motor comprising: (a) a vibration means for generating a vibration wave by an applied electrical signal, wherein said vibration means is formed of a martensite type stainless steel; (b) a contacting means having a sliding portion which contacts a friction surface of said vibration means and for receiving the vibration wave means generated in said vibration means, wherein said sliding portion consists of a composite resin comprising a filler formulated in a resin having a glass transition point of 100° C. or higher.

Claim 12

A vibration wave motor comprising: (a) a vibration means for generating a vibration wave by an applied electrical signal, wherein said vibration means is formed of a martensite type stainless steel; (b) a contacting means having a sliding portion which contacts a friction surface of said vibration means and for receiving the vibration wave means generated in said vibration means, wherein said sliding portion consists of a composite resin comprising a filler formulated in a resin having a glass transition point of 100° C. or higher.