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1. (WO2017175916) BICYCLE SEAT POST

Pub. No.:    WO/2017/175916    International Application No.:    PCT/KR2016/006596
Publication Date: Fri Oct 13 01:59:59 CEST 2017 International Filing Date: Thu Jun 23 01:59:59 CEST 2016
IPC: B62K 25/04
F16F 9/06
Inventors: KIM, Hyeong Jin
The present invention relates to a bicycle seat post and, more particularly, to a bicycle seat post having an air damping function such that the same can damp shocks delivered from the ground. The present invention comprises a first cylinder, a damper means, and a sealing member. The first cylinder has a containing portion formed therein so as to contain oil and air, and the seat of the bicycle is mounted on an end of the first cylinder. The damper means has a piston and a piston rod, and the damper means can slide such that the piston rod can be inserted into the containing portion, in order to compress the air and to play a damping role. The piston has a through-hole formed therein such that the oil can flow through the same, and the piston can slide inside the containing portion. One end of the piston rod is coupled to the piston, and the other end thereof is coupled to the frame of the bicycle. The sealing member is coupled to the other end of the first cylinder such that the containing portion can be sealed, and the sealing member contacts the piston rod. In addition, the bicycle seat post preferably further comprises a second cylinder in which the damper means is contained, and into which the first cylinder can be inserted and slide. The present invention can damp shocks delivered from the ground during a ride such that the user can feel comfortable during the ride.