JPH01138237U - - Google Patents

Description

[Brief explanation of the drawing]

1 to 10 show an embodiment of the present invention, in which FIG. 1 is an exploded perspective view showing a cassette loading mechanism of a magnetic recording/reproducing device, and FIGS.
The figure is an enlarged side view of the cassette misinsertion prevention device and shows each operation; FIGS. 4A, 5A, and 6A are side views showing each step of the cassette loading operation; FIGS. 4B, 5B, and 6th B
The figures are partial side views showing the operation of opening the lid of the cassette pack, Figures 4C, 5C, and 6.
Figure C is a side view partially showing the movement of the cassette pack. Figure 7 is a side view of the DAT cassette pack, Figure 8 is its bottom view, Figures 9 and 10 are partial sectional views showing the process of unlocking the slider of the cassette pack, and Figure 11 is FIG. 2 is a side view showing a conventional cassette loading mechanism. 1...Cassette pack, 1a...Cassette body, 1b...Lock pin, 2...Lid, 3...Cover, 10...Base, 11, 12...Reel stand, 13...Rotating head, 20...Main body Shayashi,
30...First guide groove, 40...Slider, 5
0... Second guide groove, 60... Cassette holder, 70... Lid opening member, 80... Door, 85
... Connection lever, 90 ... Door closing prevention member, 9
1... Pack positioning member, 93... Spring that biases the pack positioning member.

Claims (1)

[Claims for Utility Model Registration] 1. A cassette holder into which a cassette pack is inserted and held is supported so as to be movable in a path from a cassette pack insertion/removal position to a tape drive unit, and the cassette holder is In a magnetic recording/reproducing apparatus, the door is provided with a door that moves in the direction of closing the cassette insertion slot while the cassette is moved from the pack insertion/ejection position to the tape drive section. A cassette error prevention device for a magnetic recording/reproducing apparatus characterized in that a pack positioning member is provided which is elastically raised to the rear of a cassette pack inserted into the cassette holder and can be retracted toward the bottom of the cassette pack. Insertion prevention device. 2. The magnetic recording and reproducing apparatus according to claim 1, wherein the rear end of the cassette pack held by the cassette holder is continuously pressed by the pack positioning member throughout the entire journey of the cassette holder from the pack insertion/removal position to the tape drive section. A device to prevent incorrect cassette insertion. 3. The cassette holder into which the cassette pack is inserted is supported so as to move from the cassette pack insertion/removal position to the tape drive unit, and the cassette holder is supported so as to move from the cassette pack insertion/removal position to the tape drive unit. In a magnetic recording/reproducing apparatus provided with a door that rotates in a direction to close a cassette insertion slot while the cassette pack is inserted, the door is connected to a mechanism part that moves the cassette holder from a cassette pack insertion/removal position to a tape drive section. A coupling lever is provided for positioning the cassette pack so as to be positioned below the cassette pack when the cassette pack is not fully inserted into the cassette holder, and for the coupling lever to be located under the cassette pack when the cassette pack is not fully inserted into the cassette holder. 1. A device for preventing erroneous insertion of a cassette in a magnetic recording/reproducing apparatus, characterized in that a door closing prevention member is provided which hits the cassette pack and prevents rotation of the door when the door rotates when the magnetic recording/reproducing apparatus is open.