| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cassette loading mechanism giving good operational feeling by reducing the number of components and lightening the cassette inserting force at the time of cassette loading. SOLUTION: This cassette loading mechanism is constituted in such a manner that a tooth lacked gear 10 which is provided with a pair of confronted projections 10b, 10c and a circular-arcuate through hole 10a on one surface and driven by a motor, a torsion spring 11 provided with a short arm part 11b and a long arm part 11c in parallel from a coil-stated center circular part, and an arm gear which is provided with a stopper piece 9c and a bent piece 9b and engaged with a guide pin 2 of a cassette holder 1 to drive the holder 1, are coaxially supported, and the stopper piece is fitted into the circular- arcuate through hole, and both of the arm parts are held between the projections, then the tip of the short arm part is abutted on the bent part.</p> |
