| 摘要 |
A linear reciprocating motion device according to the present invention comprises an object which is movable exclusively in a prescribed direction, a cam groove which is formed on a closed curve, a linking rod whose one end is connected to said object and its the other end is engaged with said cam groove, and means for moving the other end of said linking rod along said cam groove with a prescribed angular velocity. The moving means with angular velocity comprises a crank arm whose length is free to be increased or decreased, with its one end connected to the other end of said linking rod and rotates in the interior of said closed curve, and a motor that causes to rotate the crank sub-arm that is linked to the crank arm at a constant speed.
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