| 摘要 |
<p>PURPOSE:To enable a single VTR to use various kinds of cassettes by configuring a cassette loading and unloading device with a cassette loading opening, a cassette receiving slider, a guide rail to position a cassette, a groove located on the cassette for positioning and a cassette detection member. CONSTITUTION:A guide plate 1 is attached to the main chassis of a VTR, which has two L shaped grooves 2a and 2b, by screws 4a and 4b. Furthermore, a drive gear 5 and a drive arm 6 are installed on the guide plate 1 so that they are located on the same axis and are rotatable, guide pins 8a and 8b are provided on a cassette receiving tray 7 and are inserted into the grooves 2a and 2b of the guide plate 1 and the pin 8b is inserted to a U shaped groove 9 provided on the arm 6. Having the above mentioned arrangement and when a cassette 10 is inserted to a VTR, the cassette 10 is fixed on the tray 7 by a cassette spring 11 on the tray 7, a loading switch (not shown in the figure) detects this and the gear 5 and the arm 6 are rotated.</p> |
