| 摘要 |
There is provided a cam apparatus which operates an output shaft by converting a continuous rotational motion at a constant speed of an input shaft into a complex rotation superpositioning an oscillating rotational motion and a rotational motion at an inconstant speed. The cam apparatus comprises an input shaft (5) supported in a housing (3) and rotated continuously at a constant speed; a first output shaft (7) supported in the housing, and the continuous rotational motion at a constant speed is converted to a rotational motion at an inconstant speed and is transmitted through a rotational motion converting cam mechanism (21); a slider member (9) provided coaxially to the first output shaft, and with freedom of relative displacement along an axial direction through a relative rotation regulating cam mechanism (31) while its relative rotation with the first output shaft is regulated, and to which a reciprocal rectilinear motion in the axial direction resulting from the continuous rotational motion at a constant speed is transmitted through a cam link mechanism (41); a second output shaft (11) provided coaxially to the first output shaft, and rotatably while its movement in the axial direction is regulated; and a motion converting cam mechanism (51) engaged with and between the second output shaft and the slider member, which transforms the reciprocal rectilinear motion displacement of the slider member into the oscillating rotation of the second output shaft to transmit the same thereto, and transmits the rotational motion at an inconstant speed of the slider member to the second output shaft.
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