US 11,719,336 B2
Gear shift of a saddle vehicle and vehicle comprising this gear shift
Romano Albesiano, Pontedera (IT); and Walter Scattolin, Pontedera (IT)
Assigned to PIAGGIO & C. S P A., Pontedera (IT)
Appl. No. 17/441,368
Filed by PIAGGIO & C. S.P.A., Pontedera (IT)
PCT Filed Mar. 13, 2020, PCT No. PCT/IB2020/052290
§ 371(c)(1), (2) Date Sep. 21, 2021,
PCT Pub. No. WO2020/194108, PCT Pub. Date Oct. 1, 2020.
Claims priority of application No. 102019000004213 (IT), filed on Mar. 22, 2019.
Prior Publication US 2022/0252156 A1, Aug. 11, 2022
Int. Cl. F16H 63/18 (2006.01); B62M 25/06 (2006.01); F16H 59/70 (2006.01); F16H 61/18 (2006.01); F16H 63/36 (2006.01); B62M 25/00 (2006.01)
CPC F16H 63/18 (2013.01) [B62M 25/06 (2013.01); F16H 59/70 (2013.01); F16H 61/18 (2013.01); F16H 63/36 (2013.01); B60Y 2200/12 (2013.01); B62M 2025/006 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A gear shift of a saddle vehicle, the gear shift comprising:
a shift lever;
a selecting element actuated through the shift lever;
a selector drum connected to the selecting element and adapted to engage gears;
a block device functionally connected to the selector drum and configured to be switched between:
a first configuration, wherein the block device allows engaging a first gear from a neutral gear in a first change direction of the selector drum, and
a second configuration, wherein the block device inhibits subsequent engagement of the neutral gear from the first gear in a second change direction of the selector drum;
a control means of the block device capable of actuation by a rider so as to define a third configuration, wherein the block device is disabled in order to allow engaging the neutral gear from the first gear in the second change direction, wherein the block device comprises:
a stop element constituted by a bushing comprising a tooth-shaped portion, mounted integral with the selector drum; and
a block element co-acting with the stop element and adapted to switch between the first configuration, the second configuration and the third configuration, wherein the block element is mounted rotatable around a rotation axis and the block element comprises a first elastic element so as to take:
the first configuration, wherein the block element is fastened to the tooth-shaped portion, corresponding to the neutral gear, allowing the selector drum to rotate in the first change direction to engage the first gear and subsequent gears;
the second configuration, wherein the block element is adjacent to, and touching, the tooth-shaped portion, corresponding to the first gear, preventing the selector drum from rotating in the second change direction to engage again the neutral gear from the first gear;
the third configuration, wherein the block element is spaced from the tooth-shaped portion through the control means, allowing the selector drum to rotate in the second change direction to engage again the neutral gear from the first gear and to return to the first configuration.