| 摘要 |
PURPOSE: A machinery automatic transmission is provided to sense the completion of a shift operation by using a sensor sensing the compression depth of an elastic member preventing the location secession of a shift rail. CONSTITUTION: A machinery automatic transmission comprises a fixed ball(34), an elastic member(32), and a sensor(50). The fixed ball is moved along a groove part(14) formed in a shift rail(10). The elastic member is inserted between a mounting unit and the fixed ball. The sensor is formed in the mounting unit in order to sense the compression depth of the elastic member. The shift rail is moved in a straight line by a shift control shaft(20). The sensor comprises a load cell sensing the compressive force.
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