Patent ID: 8844394
Filing Date: 2014-09-30
Classification: F16H,Y10T

Abstract:
1. A transmission for a saddle vehicle, comprising: gear trains for a plurality of shift positions by which an output of an engine is outputted through stepwise speed change; a shift drum including an outer periphery with a plurality of guide grooves for individual engagement with a plurality of shift forks for changeover of selective establishment of said gear trains and which is turnably borne on a crankcase of said engine; and a shift position sensor including a sensor shaft disposed coaxially with said shift drum and being operative to detect the angular position of said shift drum as an indication of which one of said gear trains for said plurality of shift positions is established, with an engaging pin disposed along a plane orthogonal to a center axis of said sensor shaft being inserted and passed through and fixed to said sensor shaft, and with an engagement groove for engagement with said engaging pin being provided at one axial end of said shift drum wherein a longitudinal direction of said engagement groove is set in a direction orthogonal to a direction in which a greatest one of radial loads on said shift drum is exerted; wherein a width-directional center of said engagement groove and a center axis of said engaging pin are disposed at a position deviated from said center axis of said shift drum and sensor shaft.