| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a recording/reproducing device of a VCR (commercial video cassette recorder utilizing compatible system) device, etc., capable of preventing the fall-off of reel bases and an oscillating gear and also providing a reel unlocking member, by a single composed member. SOLUTION: The recording/reproducing device is constituted so that the space between two reel bases 1, 2 is changeable and two large/small tape cassettes 4A, 4B are selectively mountable on the reed bases 1, 2. The oscillating gear 30 is provided for selectibly engaging with the reel bases 1, 2 to rotationally drive them. Then, the reel bases 1, 2 and the oscillating gear 30 are prevented from falling off by the single fall-off preventing member 40, and also a reel unlocking piece 44 for the large cassette 4B is arranged on the fall-off preventing member 40, and a reel unlocking piece 45 for the small cassette 4A is arranged on a movable arm member 46.</p> |
