Device for changing of a bicycle seat height during a ride, controlled by a cyclist's thigh

摘要

the device eliminates the inconvenience and risks arising from the loss of balance of the cyclist during retention, especially in urban traffic.because it allows easy reduction and thus convenient saddles, the feet of the ground without dismount with saddles.the device consists of a variable length of the pipes (1 and 2),on which is mounted the seat (5) and the locking mechanism tubes relative to each other in two different positions corresponding to the two majesties saddlescontrolled by the arm (14) naciskanego thighs (15) of the bicyclist. the device is mounted in a hole in the frame of bicycle (3) intended to settle the traditional pipe seat.lowering and raising of the seat is almost automatically, thanks to the steering lever is pushed during natural movements both thighs cyclist before stopping.when he takes his foot off the pedal in order to support a substrate, and by moving from the place where he is from the ground.