Patent ID: 8814264

Claim:
Fixing sleeve for saddles of a bicycle, comprising a pipe and a fixing clamp with a tightening lower plate and a tightening upper plate mounted at one upper end of the pipe and able to solidly tighten one or more support elements for supporting said saddle, said plates being tightened by means of at least two tightening elements arranged substantially along a longitudinal axis, at least one of said tightening elements being housed at least partially hidden inside said pipe, said upper plate being made of a central section with holes to allow the passage of said tightening elements and of two free side fins having longitudinal seats extending along the whole length of said upper plate, said lower plate being substantially H-shaped with a crosspiece having an arched external shape, which is intended to be housed in a swinging manner in a corresponding curved recess of the end of the pipe and on the sides of which are two fins which in use are opposite to the side fins of the upper plate, in said fins being obtained longitudinal seats, extending along the whole length of said lower plate, which house the supporting elements of the saddle, said tightening elements comprising a screw passing through a hole of the end and can be turned from the outside to tighten a nut with an external spherical shape, or connection means suitable for assuring a spherical coupling, housed in a corresponding spherical bed of the upper plate, said tightening elements further comprising a screw, having a head of spherical external shape housed in a second spherical bed of the upper plate, and which engages at the other end with a thread made has a differentiated in a thickness in the internal cavity of the pipe.