Patent ID: 11933200

Abstract:
A valve timing change device 2 comprises: a vane rotor 4; a housing 6 accommodating the vane rotor; a spring 8 contacting at one end portion 8b the housing and contacting at another end portion 8c the vane rotor to bias the vane rotor against the housing in a circumferential direction of the vane rotor; a first protruding portion 32 protruding from an end surface 6a of the housing on a first direction side of an axial direction of the vane rotor and contacting the one end portion of the spring so as to be biased by the spring; and a retaining portion 34 disposed on the first direction side of the one end portion of the spring and extending from the first protruding portion so as to restrict movement of the one end portion of the spring in the first direction. The first protruding portion and the retaining portion are formed integrally with the housing.