Patent ID: 9630668
Date: 2017-04-25
CPC Classifications: B62J

Claim:
1. A securing device for bicycle seat, comprising: a seat post having two curved receiving faces defined in a top thereof and the two receiving faces located symmetrically relative to an axis of the seat post, an inclined installation hole defined radially through a wall of the seat post; a clamp unit having a top clamp and a bottom clamp, each of the top and bottom clamps being a curved plate and having a first/second hole defined centrally therethrough, a tubular space formed between the top and bottom clamps, the top clamp having two first notches defined in each of two sides thereof, the bottom clamp having two second notches defined in each of two sides thereof, the bottom clamp having an engaging face defined in an underside thereof, the top clamp connected to the bottom clamp to align the first notches and the second notches so as to receive two rails of a seat therethrough, the top and bottom clamps connected to the top of the seat post, the engaging face of the bottom clamp engaged with the two receiving faces of the seat post; an insertion member having a tube which has a lateral hole defined through a wall thereof, a positioning end formed on a lower end of the tube and extending at an angle relative to an axis of the tube, a flange extending from an periphery of the positioning end, the tube inserted into the installation hole of the seat post and the flange contacting against outside of the tube, and a securing member having a head and a threaded portion on two ends thereof, the threaded portion extending through the lateral hole, a top hole defined in a top end of the tube and the second hole of the bottom clamp, and being threadedly connected to the top clamp.