JPS63160051A - Vtr device - Google Patents

Abstract

PURPOSE:To save a constitutional space by providing a slide member to slide on a loading ring, transmitting a drive force of a driving means to the slide member and actuating a cassette holder locking means by the slide member. CONSTITUTION:On completion of unloading, the loading ring 2 is stopped at a specific position. At that time intermesh takes place between one end part of the slide member 3 fitted slidably on the ring 2 with pin 12 and a transfer gear 8 for transmitting a torque of a reducing gear 7 for reducing the torque of a loading motor 6, and a calked pin 13 is brought into contact with a rod 9. When the ejection mode becomes operative, the motor 6 rotates further and its torque is transmitted through the reducing gear 7 and transfer gear 8 to the gear part of the slide member 3 which is then slid in the rotational direction 14 to operate a cassette holder locking device. In such a way as composing the slide member 3 onto the loading ring 2, the ejection operation is thus feasible by utilizing the torque of the loading motor 6.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a VTR device for recording and reproducing video signals.

BACKGROUND ART FIG. 3 is a schematic plan view of a conventional VTR device, in which 1 is a head drum, 2 is a loading ring that winds a magnetic recording tape around the head drum, 4 is a support roller for the loading ring, and 6 is a support roller for the loading ring. Loading motor 7 is a reduction gear, 8 is a relay gear, 10 is a cassette holder locking means,
1114 eject motor.

In the conventional VTR device (C) configured as described above, when the loading ring 2 comes to a predetermined position, the loading motor 6 stops rotating, then the eject motor 11 rotates, and the cassette boulder The lock means is operated to unlock the cassette holder (not shown), and the cassette holder is raised.

Problems to be Solved by the Invention However, in the above configuration, it is necessary to install the eject motor separately from the loading motor, which requires a complicated control system.

There was still a problem that space was required.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a VTR device in which a loading motor is used as a cassette holder locking means.

Means for Solving the Problems The present invention is a VTR device that includes a loading ring, a slide member that slides on the loading ring, a loading drive means, and a cassette holder locking means.

Operation According to the present invention, the power of the loading drive means is transmitted to the slide member on the loading ring, and the movement of the slide member operates the cassette holder lock means.

Embodiment FIG. 1 shows a plan view of a VTR device in an embodiment of the present invention. 3 is a slide member that slides on the loading ring; 6 is a return spring for the slide member; 9
is the cassette holder locking means 1 that prevents the movement of the slide member.
This is a rod that transmits to 0.

The operation of the VTR apparatus of this embodiment constructed as described above will be explained below with reference to FIG.

The loading ring 2 stops at a predetermined position when unloading is completed. At this time, one side of the slide member 3 attached to the loading ring 2 so as to slide on the pin 12 is connected to a relay gear 8 that transmits the rotational force of the speed reduction device 7 that decelerates the rotational force of the loading motor 6. The pin 13 on the other side is caulked.

This pin 13 is in contact with the rod 9. When the eject heat is reached, the loading motor 6 rotates further.
The rotational force is transferred to the reduction gear 7. The return spring 5 transmits the relay gear 8, slides in the rotational direction 14 through the gear portion of the slide member 3, and slides the rod 9 in the direction of the arrow 16 to operate the cassette holder locking device 10. This urges the ring 2 in the direction of arrow 14. In this position, the loading ring 2 has no tooth profile, the relay gear 8 is in alignment with the sliding member 3, and the return spring 6 is acting to determine the relative position of the loading ring 2 and the sliding member.

As described above, according to this embodiment, by configuring the slide member 3 on the loading ring 2, it becomes possible to perform the ejecting operation using the rotational force of the loading motor 6.

As described in detail, according to the present invention, the ejecting operation can be performed using only the loading motor, which has great practical effects.

[Brief explanation of the drawing]

FIG. 1 is a schematic plan view of a VTR device according to an embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation and structure of the VTR device according to the same embodiment, and FIG. 3 is a schematic plan view of a conventional VTR device. 1... Het tram, 2... Loading ring, 3... Slide member, 6...
...Loading motor, 7...Deceleration device, 8
...Relay gear, 1o...Cassette holder lock device. Figure 1 Figure 2 Figure 3

Claims (1)

[Claims] A head drum, a loading ring for winding a magnetic recording tape around the head drum, means for driving the loading ring, and a cassette holder locking means, and a slide member that slides on the loading ring, A VTR device characterized in that the driving force of the driving means is transmitted to the sliding member, and the sliding member operates the cassette holder locking means.