Patent ID: 6820515
Filing Date: 2004-11-23
Classification: F16H,Y10T

Abstract:
A gearshift-handling mechanism comprising:a shift fork; a gearshift attached to said shift fork and including a projecting portion having an elongate aperture; a movement mechanism for moving said gearshift in a substantially H-shaped configuration to engage gears, said movement mechanism including a pair of support boards, a movable link rotatably coupled to said support boards and extending through said elongate aperture in said gearshift, a movable cam rotatably mounted to said support boards and defining a groove constituting a cam part, and a movable body engaging with said cam part and with said gearshift; an operation lever pivotally supported on said support boards to move forward and backward in a single plane; an auto-return mechanism arranged to return said operation lever automatically to an initial position when said operation lever is moved forward or backward and released; and a rotation mechanism coupled to said link and said cam and arranged to enable said operation lever to move sequentially through all of the gears upon movement of said operation lever forward or backward.