| 摘要 |
<p>PURPOSE:To obtain a small-sized loading and unloading device for cassette capable of loading and unloading a cassette with a comparatively small cam by providing a circular arcuate teeth at a rocking end of a link which is rocked by a cam, to amplify the angular range of the rocking by means of a gear engaged with the said teeth. CONSTITUTION:One end of the cassette-horizontally-rocking link 64 engages in a cam groove 63 and the gear teeth 82 are formed in the other end part. A circular arcuate amplification gear 83 engages with the teeth 82 with which a horizontal connection link is connected. The gear 83 and the link 84 are penetrated by a post 85 vertically protruding from a main base 32 freely rotatablly as well as holder springs 86 and 87 and energizing spring 88. The holder spring 86 is connected to the gear 83 and the link 84 so that it lets these turn counterclockwise, and the other one 87 is to let turn clockwise.</p> |
