Patent ID: 8668262

Claim:
An angle adjuster for a bicycle seat that is configured to be installed between a frame of a bicycle and a seat, the angle adjuster comprising: a frame connector configured to be connected with the frame; a seat connector configured to support the seat, rotatably connected to the upper end of the frame connector, and having a nose at bottom facing the frame connector; an angle adjusting assembly disposed between the frame connector and the seat connector, and having a plurality of locking steps where the nose is configured to be selectively engaged to control rotational angle of the seat connector; an operating lever configured to be mounted on the frame to operate the angle adjusting assembly; a wire connecting the angle adjusting assembly with the operating lever and reciprocating the angle adjusting assembly, when the operating lever is operated; an elastic member disposed between the frame connector and the angle adjusting assembly and providing elastic force such that the angle adjusting assembly is engaged with any one of the locking steps; a seat support shaft configured to support the seat, reciprocating in the seat connector, and having a plurality of locking grooves formed in the longitudinal direction of the shaft; a support spring configured to elastically support the seat support shaft such that the seat is spaced apart from the seat connector; a locking member configured to be selectively locked in the locking grooves to control height of the seat support shaft; a sub-operating lever configured to be mounted on the frame operating the locking member; and a sub-wire connecting the locking member with the sub-operating lever and operating the locking member, when the sub-operating lever is operated.