JPH0527841U - Incorrect mounting prevention mechanism for cassette loader device - Google Patents

Abstract

(57) [Summary]   Because it is an application before electronic filing There is no abstract / selection drawing and applicant identification number.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is a cassette loader used in a magnetic recording / reproducing apparatus such as a VTR (video tape recorder), and particularly for automatically replacing a tape cassette containing a magnetic tape. Regarding the device.

(Prior Art) A device that automatically inserts and ejects a cassette containing a magnetic tape into and from a magnetic recording / reproducing device such as a VTR or DAT so that dubbing or the like can be efficiently performed in a short time. It is proposed as Kaisho 58-153264.

 This equipment is equipped with a cassette loader device (cassette autochanger) on the front of the VTR deck unit, and this cassette loader device automatically inserts the tape cassette one by one into the cassette holder in the deck unit and uses it. The cassette is ejected.

(Problems to be solved by the invention) In the above-mentioned device, the cassette loader device (changer) is complicated, and in particular, it is possible to surely prevent erroneous mounting in which the tape cassette is mounted upside down or upside down, and is simple. A cassette loader with various configurations was desired.

(Means for Solving the Problems) In order to solve the above problems, the present invention is a cassette loader device mounted on the front surface of a magnetic recording / reproducing apparatus main body so as to automatically supply / discharge a tape cassette to / from the main body. At this time, a means for directly dropping and mounting the tape cassette that has been waiting in this cassette loader device to the empty cassette holder pulled out forward of the front surface of the main body is provided, and the bottom front of the tape cassette is attached to the cassette holder. The detection piece is formed so as to engage with the opening.

(Function) The tape cassette cannot be installed in the cassette holder unless the tape cassette is installed in the cassette holder in the correct posture.

(Embodiment) An embodiment of the present invention will be described below with reference to the accompanying drawings. First, for convenience of description, an outline of the overall configuration and operation of a VTR device as a magnetic recording / reproducing device in which the cassette loader device according to the present invention is assembled will be described.

 FIG. 2 is a side view of the entire VTR device as a magnetic recording / reproducing device in which the cassette loader device according to the present invention is assembled, FIG. 3 is a plan view of the VTR device, and FIG. 4 is a front view of the VTR device. The VTR device is composed of a device body 1 and a cassette loader device 100 detachably attached to the front surface of the device body 1.

 The apparatus main body 1 is a box-shaped cabinet 2, and a signal processing unit 3 and each unit for selectively replacing a recording signal processing substrate and a reproduction signal processing substrate for video / audio signals in a portion near one side. A control unit 4 for controlling the above is arranged, and VTR deck units 5 are vertically stacked in three stages on the sides of the signal processing unit 3 and the control unit 4. Further, on the front surface of each deck unit 5, three cassette loader devices 100 corresponding to each deck unit 5 are similarly provided in the vertical direction.

 The cassette loader device 100 has a right arm portion 100a and a left arm portion 100b that bulge toward the front side, and left and right flaps 101a and 101b are arranged in a space between the arm portions 100a and 100b, and the right arm portion 100a has a front surface. A lamp 102 indicating that the deck unit 5 is in operation is attached, a discharge tray 130 is attached from the left arm portion 100b to the outside, and a diagonal portion is provided between the left and right arm portions 100a and 100b toward the front side. A standing guide plate 103 is provided, and guide parts 104 are formed on the back sides of the front surfaces of the left and right arms 100a and 100b as shown in Fig. 8. Further, the inner upper and lower edges of the front surfaces of the arms 100a and 100b are formed. When the cassette loader device 100 is stacked, a notch 105 is formed in the upper and lower cassette loader devices, that is, the first stage cassette loader device and the second stage cassette loader device, or the second stage cassette loader device. Device and third stage cassette loader The tape cassette C is guided between the notches 105 and 105 when the tape cassette C is inserted.

Then, when the tape cassette C is inserted along the notches 105, 105, the tape cassette C is guided by the guide plate 103 and the guide portion 104 and slides on the flaps 101a, 101b as shown in FIG. In this way, whether or not the tape cassette C has entered the predetermined positions on the flaps 101a and 101b is detected by the sensor 106 provided in the cassette loader device 100.

 The cassette loader device 100 and the control unit 4 of the device body 1 are connected by a cord 107.

 Next, the outline of the operation of the above VTR device will be described with reference to FIGS. Here, FIGS. 5 (A) to 5 (E) are schematic front views showing a process until the waiting tape cassette is set in the cassette holder, and FIGS. 6 (A) to 6 (E) are waiting. 7A to 7E are schematic side views showing the process of moving the tape cassette to the recording / reproducing position, and FIGS. 7A to 7E are schematic views showing the process of moving the tape cassette returned to the cassette loader device onto the output tray. It is a front view.

 First, as shown in FIGS. 5 (A) and 6 (A), when the tape cassette C is set on the left and right flaps 101a and 101b of the cassette loader device 100 and is in a standby state, the starting point is From this state, one flap 101b rotates downward as shown in FIG. 5 (B), and then the other flap 101a rotates with a delay as shown in FIG. 5 (C). As a result, one side of the tape cassette C is dropped into the cassette holder 10 before the other side as shown in FIGS. 5 (D), (E) and FIGS. 6 (B), (C). .. By doing so, the tape cassette C shifts in the side direction in which it dropped first, and its side surface abuts on the left and right rising portions 12 of the cassette holder 10, so that the left and right positioning is accurately performed. The tape cassette C is positioned in the front-rear direction by applying the tape cassette C rear end when the tape cassette C falls onto the tapered protrusion 11 provided at the rear end (left side in FIG. 6) of the cassette holder 10. This is performed by pushing C forward and applying it to the left and right positioning pieces 13 (see FIG. 1) of the front end (right side in FIG. 6) of the cassette holder 10.

 Next, as shown in FIG. 6 (D), the cassette holder 10 is pulled into the deck unit 5 together with the tray 20 supporting the cassette holder 10, and the tape cassette C is held as shown in FIG. 6 (E). The cassette holder 10 being operated is lowered to the recording / reproducing position to perform recording or reproduction.

 When recording or reproduction is completed, the tape cassette C is returned to the cassette loader device 100 with the cassette cassette 10 still in the cassette holder 10 as shown in FIG. After that, as shown in FIG. 7 (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 sideways as shown in FIGS. 7 (C) to (F). By moving the tape cassette C in the direction, the recorded or reproduced tape cassette C is pushed onto the discharge tray 130 to complete a series of operations.

 As described above, the tape cassette C waiting on the left and right flaps 101a and 101b is dropped into the cassette holder 10 and mounted. Next, the present invention will be described based on FIG. An erroneous mounting prevention mechanism of the cassette loader device will be described.

 The cassette holder 10 forms a part of the tray 20. The tray 20 has a frame shape in which the front plate 22 is bridged over the front ends of the 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, and a positioning hole 24 is formed in the front plate 22. The tray 20 is positioned at the front protruding position by engaging with the protrusion 25 formed on the inside of the front surface of the arm portions 100a and 100b as shown in FIG.

 Further, the cassette holder 10 has a dish shape, and the three sides thereof are bent upward so that the left and right side wall portions and the front wall portion are a right rising portion 12a, a left rising portion 12b, and a front wall rising portion 12c. As described above, the guide portions 12d, 12e, and 12f that spread outward to ensure the receipt of the tape cassette C are formed, and the tape cassette C that is falling inside the front wall rising portion 12c is forward. A taper-shaped projection 11 for pushing the tape cassette C is provided, and the both ends of the cassette holder 10 on the side of the deck unit 5 are brought into contact with the front end of the tape cassette C extruded forward, and the tape cassette C A positioning piece 13 for positioning the direction is formed. In this case, since the tape cassette C has its tip dropped toward the front side and is pushed out by the tapered projection 11, there is no risk that the tape cassette C will climb on the positioning piece 13.

 Further, at the center of the end of the cassette holder 10 on the side of the deck unit 5, there is provided a detecting piece 14 for preventing the tape cassette C from being mounted upside down or upside down. That is, since the tape cassette C has a concave portion on the front lower surface to which the tape loading member is fitted, when the tape cassette C is correctly dropped onto the cassette holder 10, the detection piece 14 is attached to the tape cassette C. Although it goes into the recess formed on the lower surface of the front part, in other cases, the tape cassette C rides on the detection piece 14 so that no further operation is performed.

 When properly mounted on the cassette holder 10, the cassette holder 10 is pulled into the deck unit 5 as it is, and the tape cassette C is lowered to a predetermined recording / reproducing position for recording or reproducing.

(Effects of the Invention) As described above, according to the present invention, the tape cassette is mistakenly placed upside down and upside down while the tape cassette is installed by dropping it directly into the empty cassette holder that is pulled out in front of the magnetic recording / reproducing apparatus. Even if the tape cassette is inserted into the cassette loader and dropped onto the cassette holder, the tape cassette rides on the detection piece of the cassette holder to easily detect and prevent erroneous mounting, and the malfunction is reliably prevented with a simple mechanism. It is possible to provide a cassette loader device that can be used.

[Brief description of drawings]

 FIG. 1 is a perspective view of an erroneous mounting prevention mechanism of a cassette loader device according to the present invention, FIG. 2 is a side view of a magnetic recording / reproducing device incorporating the cassette loader device according to the present invention, and FIG. 3 is the same magnetic recording device. A plan view of the reproducing apparatus, FIG. 4 is a front view of the magnetic recording / reproducing apparatus, and FIGS. 5 (A) to 5 (E) are until the tape cassette waiting in the magnetic recording / reproducing apparatus is accommodated in the cassette holder. 6 (A) to 6 (E) are schematic side views showing the process of moving the tape cassette on standby of the magnetic recording / reproducing apparatus to the recording / reproducing position. FIGS. 8A to 8F are schematic front views showing a process in which the tape cassette returned to the cassette loader device moves onto the discharge tray, and FIG. 8 is a side view of the cassette loader device. DESCRIPTION OF SYMBOLS 1 ... VTR apparatus as a magnetic recording / reproducing apparatus main body, 10 ... Cassette holder, 11 ... Tapered protrusion, 13 ... Positioning piece, 14 ... Detection piece, 100 ... Cassette loader apparatus, C ... Tape cassette.

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] Flat. 4.1.13 The brief description of the drawings is amended as follows. “(A) to (E)” on page 11, line 15 to line 16 of the specification is deleted.

Claims (1)

[Scope of utility model registration request] 1. A cassette loader device mounted on the front surface of a main body of a magnetic recording / reproducing apparatus for automatically supplying and ejecting a tape cassette to and from the main body of the magnetic recording / reproducing apparatus. It is equipped with a means for directly dropping it into an empty cassette holder that is pulled out from the front of the main body and mounting it, and a detection piece that engages with the bottom front opening of the tape cassette. An erroneous mounting prevention mechanism for the cassette loader device.