Quick-tightening system for cycle with tightening torque control

A quick-release device comprising:

• a skewer extending in an axial direction and an end support element mounted at a first end of the skewer adapted to be supported by a first tightening support surface of a cycle:
• and
• a quick-release system mounted at a second end of the skewer, said quick-release system comprising:
• a tightening sub-assembly including a rotatable member and a support surface, the support surface being configured and arranged to be supported by a second support surface of the cycle;
• an actuation sub-assembly including a movable actuating mechanism, capable of axial rotation around said skewer, and configured and arranged to transmit a tightening torque to the rotatable member of the tightening sub-assembly when the device is being tightened;
• a tightening torque limiting mechanism to limit torque transmitted by the actuation sub-assembly to the tightening sub-assembly;
• said tightening torque limiting mechanism forming a disengageable connection interface configured and arranged to limit torque transmitted by the actuation sub-assembly to the tightening sub-assembly to a limiting value of the torque or to a predefined range of tightening torque values;
• said disengageable connection interface comprising respective mutually engageable surfaces of the tightening sub-assembly and the actuation sub-assembly.

A wheel comprising:

• a rim;
• a hub;
• an arrangement to connect the rim to the hub;
• and
• a quick-release device comprising:
• a skewer extending in an axial direction and an end support element mounted at a first end of the skewer adapted to be support by a first tightening surface of a cycle:
• and
• a quick-release system mounted at a second end of the skewer, said quick-release system comprising:
• a tightening sub-assembly including a rotatable member and a support surface, the support surface being configured and arranged to be supported by a second support surface of the cycle;
• an actuation sub-assembly including a movable actuating mechanism, capable of axial rotation around said skewer, and configured and arranged to transmit a tightening torque to the rotatable member of the tightening sub-assembly when the device is being tightened;
• a tightening torque limiting mechanism to limit torque transmitted by the actuation sub-assembly to the tightening sub-assembly;
• said tightening torque limiting mechanism forming a disengageable connection interface configured and arranged to limit torque transmitted by the actuation sub-assembly to the tightening sub-assembly to a limiting value of the torque or or a predefined range of tightening torque values;
• said disengageable connection interface comprising respective mutually engageable surfaces of the tightening sub-assembly and the actuation sub-assembly.

A quick-release system for a quick-release device for a cycle, such device including a skewer extending in an axial direction and an end support element mounted at a first end of the skewer adapted to be supported on a first tightening surface of the cycle, said quick-release system comprising:

• a tightening sub-assembly including a support surface;
• an actuation sub-assembly including a movable actuating mechanism, capable of axial rotation around said skewer, and configured and arranged to transfer a tightening torque to the tightening sub-assembly when the movable actuating mechanism is being moved in a tightening direction around said skewer;
• a tightening torque limiting mechanism to limit torque transferred by the actuation sub-assembly to the tightening sub-assembly;
• said tightening torque limiting mechanism forming a disengageable connection interface configured and arranged to limit torque transferred by the actuation sub-assembly to the tightening sub-assembly to a threshold tightening torque value or to a predefined range of threshold tightening torque values, while allowing continuous movement of the movable actuation mechanism in said tightening direction around said skewer after reaching the threshold tightening torque value or the predefined range of threshold tightening torque values.

A quick-release system for a quick-release device for a cycle, such device including a skewer extending in an axial direction and an end support element mounted at a first end of the skewer adapted to be supported on a first tightening surface of the cycle, said quick-release system comprising:

• a tightening sub-assembly including a support surface;
• an actuation sub-assembly including a movable actuating mechanism, capable of axial rotation around said skewer, and configured and arranged to transfer a tightening torque to the tightening sub-assembly when the movable actuating mechanism is being moved in a tightening direction;
• a tightening torque limiting mechanism to limit torque transferred by the actuation sub-assembly to the tightening sub-assembly;
• said tightening torque limiting mechanism forming a connection interface configured and arranged to enable transmission of said tightening torque in an engaged state of said connection interface and to limit torque transferred by the actuation sub-assembly to the tightening sub-assembly to a threshold tightening torque value or to a predefined range of threshold tightening torque values;
• said connection interface being in a disengaged state during continuous movement of the movable actuation mechanism in the tightening direction after said threshold tightening torque value, or a value of said predefined range of threshold tightening torque values has been transferred.