JPH03283135A - Cassette holder positioning mechanism of cassette loader device - Google Patents

Abstract

PURPOSE:To securely position a cassette holder by engaging an engagement part with a lock part and positioning the cassette holder in the cassette loader device when the cassette holder is drawn out to in front of the front surface of a magnetic recording and reproducing device main body. CONSTITUTION:The cassette holder 10 which is drawn out to in front of the front surface of the magnetic recording and reproducing device main body 1 to load or unload a tape cassette C forms part of a tray 20. The tray 20 is formed in a frame shape by providing a front plate between a right and a left side plate extending in a front and a rear direction, hooks are fixed on the external surfaces of the side plates, and a positioning hole 24 as the engagement part is formed in the front plate. Then the tray 20 engages a projection 25 as the lock part formed inside the front surface of an arm part 100a at a front projection position and is positioned. Consequently, the cassette holder 10 is securely and easily positioned in the cassette loader device.

Description

Detailed Description of the Invention (Industrial Application Field) The present invention relates to a cassette loader device used in a magnetic recording/reproducing device such as a VTR (video tape recorder), and in particular, a cassette loader device that automatically exchanges a tape cassette containing a magnetic tape. Regarding.

(Prior Art) There is a special device that automatically inserts and ejects a cassette containing a magnetic tape into a magnetic recording/reproducing device such as a VTR or DAT, thereby enabling dubbing, etc. to be performed efficiently in a short time. It has been proposed as No. 58-153264.

This device has a cassette loader device (cassette auto changer) attached to the front of the VTR deck unit, and this cassette loader device automatically inserts tape cassettes one roll at a time into the cassette holder in the deck unit, and ejects used cassettes. This is how it was done.

(Problem to be Solved by the Invention) In the above device, the height position of the passage floor of the cassette insertion/ejection passage of the cassette loader device (changer) and the cassette insertion opening on the deck side must be properly aligned, and the cassette loader There was a problem in that the positioning work was not easy when installing it on the deck.

The present invention has been made in view of such problems with the conventional technology, and its purpose is to pull out the cassette holder of the tape recorder and attach or attach a tape cassette directly to the cassette holder. When taking it out,
It is an object of the present invention to provide a cassette holder positioning mechanism for a cassette loader device that can reliably position a cassette holder for mounting on a cassette loader.

(Means for Solving the Problems) In order to solve the above problems, the present invention provides a cassette loader device mounted on the front surface of a magnetic recording/reproducing device main body to automatically feed and eject tape cassettes to and from the main body. , an engaging portion is formed on the cassette holder that is pulled forward from the front surface of the main body to which the tape cassette is loaded or taken out, and a locking portion that engages with the retaining portion is formed on the cassette loader device. be.

(Function) When the cassette holder is pulled out to the front of the front surface of the magnetic recording/reproducing apparatus main body, the engaging part and the locking part engage to position the cassette holder with respect to the cassette loader apparatus.

(Example) Embodiments of the present invention will be described below based on the accompanying drawings.

First, for convenience of explanation, an overview of the overall configuration and operation of a VTR device as a magnetic recording/reproducing device incorporating a cassette loader device according to the present invention will be explained.

FIG. 3 is an overall side view of a VTR device as a magnetic recording/reproducing device in which a cassette loader device according to the present invention is assembled;
The figure is a plan view of the VTR device, and FIG. 5 is a front view of the VTR device.
Cassette loader device 1 detachably attached to the front of the
00.

The device body 1 has a signal processing section 3 in which a recording signal processing board and a playback signal processing board for video/audio signals, etc. are selectively replaced and used to control each part, in a part near one side of a box-shaped cabinet 2. A control unit 4 is arranged to
Three VTR deck units 5 are vertically stacked on the sides of the signal processing section 3 and the control section 4. Further, on the front surface of each deck unit 5, three cassette loader devices 100 corresponding to each deck unit 5 are provided in the same vertical direction.

This cassette loader device 100 forms a right arm part 100a and a left arm part 100b that bulge out to the front side, and these arm parts 1
Left and right flaps JO1a in the space between 00a and 100b
.

A lamp 102 is attached to the front of the right arm 100a to indicate that the deck unit 5 is in operation, and a discharge tray 13 is installed outward from the left arm 100b.
A guide plate 103 is provided between the left and right arm parts 100a and 100b, and a guide plate 103 is provided between the left and right arm parts 100a and 100b, and a guide plate 103 is installed on the front back side of the left and right arm parts 100a and 100b as shown in FIG. A guide portion 104 is formed, and notches 105 are formed on the inner upper and lower edges of the front surfaces of the arm portions 100a and 100b so that when the cassette loader devices 10G are stacked, the upper and lower cassette loader devices, that is, the
The side part of the cassette when the tape cassette C is inserted between the notches 105 and 105 of the cassette loader device of the second stage and the cassette loader device of the second stage, or the cassette loader device of the second stage and the third stage cassette loader device I am trying to provide a guide.

When the tape cassette C is inserted along the notches 105, 105, the tape cassette C is guided by the guide plate 103 and guide portion 104 and slides onto the flaps 101a, 101b, as shown in FIG. In this way, the tape cassette C has flaps 101a and 101b.
The cassette loader device 10 determines whether the cassette loader has entered the upper predetermined position.
It is detected by a sensor 106 provided inside the 0.

Note that the cassette loader device 100 and the control section 4 of the device main body 1
and is connected by a cord 107.

Next, an outline of the operation of the above VTR device is shown in FIGS. 6 to 8.
This will be explained based on the diagram. Here, FIGS. 6(A) to (E)
7(A) to (E) are schematic front views showing the process until the waiting tape cassette fits into the cassette holder.
) is a schematic side view showing the process in which a waiting tape cassette moves to the recording/playback position; FIGS. 8(A) to (E)
FIG. 2 is a schematic front view showing the process in which the tape cassette returned to the cassette loader device moves onto the ejection tray.

First, as shown in FIGS. 6(A) and 7(A), the starting point is when the tape cassette C is set on the left and right flaps 101a, 101b of the cassette loader device 100 and is in a standby state. From this state, one flap 101b rotates downward first as shown in FIG. 6(B), then the other flap 101a rotates later as shown in FIG. 6(C), As a result, Figure 6 (D)
, (E) and FIGS. 7(B) and (C), one side of the tape cassette C is inserted into the cassette holder 10 before the other side.
Fall inside. By doing this, tape cassette C
The cassette holder 10 is shifted toward the side where it fell first, and its side surfaces abut against the left and right rising portions 12 (see FIG. 2) of the cassette holder 10, so that positioning in the left and right direction can be performed accurately. In addition, the tape cassette C is positioned in the front and rear direction using the cassette holder 10.
Tapered projection 1 provided at the rear end (left side in Fig. 7)
When the tape cassette C falls, touch the rear end of the tape cassette C to 1, push the tape cassette C forward, and hit the positioning piece 13 (see Fig. 2) at the front end of the cassette holder 10 (on the right side in Fig. 7). To do this.

Next, as shown in FIG. 7(D), the cassette holder 10 is pulled into the deck unit 5 together with the tray 20 supporting it, and the tape cassette C is further held as shown in FIG. 7(E). The cassette holder 10 is lowered to the recording/reproducing position to perform recording or reproduction.

When recording or playback is completed, the tape cassette C is placed in the cassette holder 10 and transferred to the cassette loader device 10 through the reverse process as shown in FIG. 8(A).
Return to within 00. After that, as shown in FIG. 8(B), one side of the tape cassette C is lifted from the cassette holder 10 by the arm 110, and then the traveling body 120 is moved as shown in FIG.
) to (F), move the recorded or played tape cassette C in the ejection tray 1.
30 and a series of operations is completed.

Next, the cassette holder positioning mechanism of the cassette loader device according to the present invention will be explained based on FIGS. 1 to 3.

A cassette holder 10, which is extended forward from the front surface of the magnetic recording/reproducing apparatus main body 1 and into which a tape cassette C is loaded or taken out, forms a part of the tray 20. As shown in FIG. 2, this tray 20 has a frame shape with a front plate 22 across the front ends of left and right side plates 21, 21 extending in the front-rear direction, and a rack 23 is fixed to the outer surface of the side plate 21. Front plate 22
A positioning hole 24, which is a retaining part, is formed in the tray 20.
As shown in FIG.
The tray 20 is positioned by engaging with a protrusion 25 which is a locking portion formed on the inner front surface of each of the trays 00a and 100b.

(Effects of the Invention) As explained above, according to the present invention, it is possible to reliably and easily position the cassette holder with respect to the cassette loader device by engaging the engaging portion and the locking portion. It can be stably attached to the holder.

[Brief explanation of drawings]

FIG. 1 is a side view showing a cassette holder positioning mechanism of a cassette loader device according to the present invention, FIG. 2 is a perspective view of the same, and FIG. 3 is a side view of a magnetic recording and reproducing device in which the cassette loader device according to the present invention is assembled. 4 is a plan view of the magnetic recording and reproducing device, FIG. 5 is a front view of the magnetic recording and reproducing device, and FIGS. 6 (A) to (E) are tapes on standby for the magnetic recording and reproducing device. A schematic front view showing the process until the cassette fits into the cassette holder, and FIGS. 7(A) to (E) show the process of moving the waiting tape cassette of the magnetic recording/playback device to the recording/playback position. Schematic side view, Figure 8 (A)
7A to 7F are schematic front views showing the process in which the tape cassette returned to the cassette loader device moves onto the ejection tray. 1... VTR device as a main body of a magnetic recording and reproducing device, 1
0...Cassette holder, 24...Positioning hole, 25
...Protrusion, 100 river cassette loader device, C...tape cassette. Patent applicant: Victor Japan Co., Ltd.

Claims (1)

[Claims] When a cassette loader is attached to the front of the main body of the magnetic recording/reproducing apparatus to automatically feed and eject tape cassettes to and from the main body, the tape cassette is loaded or removed by being pulled forward from the front of the main body. A cassette holder positioning mechanism for a cassette loader device, characterized in that an engaging portion is formed on the cassette holder, and a locking portion that engages with the engaging portion is formed on the cassette loader device.