Patent ID: 6840353

Claim:
A rotary damper comprising: a housing having a holding chamber with a bottom surface, said housing further having a shaft extending from said bottom surface, said shaft having a first engaging member on an outer surface thereof; a rotor having a gear integrally formed thereon so as to have a one-piece construction, said rotor having a shaft hole extending in an axial direction thereof, said shaft hole having a second engaging member formed on a surface thereof so that said second engaging member is located on an inner periphery of said gear in a plane of said gear, said rotor being arranged in said holding chamber so that said shaft of said housing is inserted into said shaft hole of said rotor such that said first engaging member of said shaft engages said second engaging member of said rotor to thereby hold and rotatably support said rotor on said housing; and a braking member arranged between an outer periphery of said rotor and an inner periphery of said holding chamber, for controlling a rotation of said rotor relative to said housing.