Saddle height adjusting device for public bicycle, has sheath allowing sliding of tube and designed to be assembled and secured to bicycle frame by locking clamp that is provided with inviolable screw/nut system

摘要

The device has a sheath (1) allowing sliding of an adjustable saddle maintaining element i.e. seat tube (3). The sheath is locked manually in a desired position by a collar (8) and a lever (7) and is stopped in translation by an abutment (6). The sheath is designed to be assembled and secured to a bicycle frame (2) by a locking clamp (4) that is provided with an inviolable screw/nut system (5). The sheath directly incorporates saddle tube clamping function.