JPS62219360A - Cassette loading device - Google Patents

Abstract

PURPOSE:To form a cassette loading device which can be constituted easily, has a multi-function, and also, can obtain an accurate operation, by driving a cassette holder transfer means and a tape cassette discharge means by a groove cam. CONSTITUTION:A switch detecting the insertion of a tape cassette rotates a motor 32, rotates a cam gear 31 counterclockwise by 90 deg. and turns an arm 41 to the right, turns a holder shift lever 23 clockwise by using a supporting shaft 25 as an axis, and moves a cassette holder 14 to a musical performance position. At the time of taking out the tape cassette, the motor 32 is rotated by a switch operation by the taking-out operation, and when the cam gear 31 is further rotated counterclockwise by 90 deg., the cassette holder 14 ascends, and by further rotating it by 90 deg., an eject arm 26 is turned to the left and by a cassette pressing part 27, the tape cassette is extruded to the taking-out position.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a newly proposed cassette loading device for a cassette recorder using a digital audio tape cassette.

2. Description of the Related Art In recent years, tape cassettes for digital audio and digital audio recorders using the tape cassettes have been proposed, and research and development is underway.

The newly proposed digital audio cassette has a rotating lid that opens and closes by rotating the front opening, a sliding lid that slides to open and close the bottom opening, and a tape drawer when in use. This allows the tape to be protected when stored.

Problems to be Solved by the Invention Accordingly, the conventional cassette loading device for a cassette recorder using a compact cassette cannot cope with the problem, and there is a need for the development of a new cassette loading device. That is, the locking of the sliding lid in the open or closed position, the opening and closing of the sliding lid, the opening of the rotating lid in the performance position, and the reliable return of the rotating lid to that position against the force. The problem is that it is necessary to satisfy unprecedented functions such as retention.

SUMMARY OF THE INVENTION In view of the above problems, the present invention provides a cassette loading device that is easily constructed, has multiple functions, and provides reliable operation.

Means for Solving the Problems In order to solve the above problems, the cassette loading device of the present invention includes a cassette holder that allows the tape cassette to be inserted and removed in the direction of its main plane, and a cassette holder that allows the tape cassette to be inserted and removed. The cassette cassette is moved in a direction substantially perpendicular to the insertion/removal direction from a first position where the cassette can be played to a second position where it can be played.

The tape cassette transport means and the tape cassette ejection means, which reciprocate to eject the tape cassette from the insertion position to the ejection position, are rotated by power and have one closed groove cam around the rotating shaft. It has a configuration in which it is driven by a rotating drive body. Furthermore, the cassette holding force is made different when inserting and removing the cassette and at the playing position, a reflector is provided that allows the tape cassette at the playing position to be viewed from the outside, and the position of the cassette ejecting means after inserting and removing the cassette is made to be open at the playing position. It is equipped with a structure in which the upper part of the rotating lid is turned.

Function The present invention has the above-mentioned basic structure and various additional structures.
It is possible to obtain a cassette loading device with a simple structure, multifunctionality, and reliable operation using the newly proposed tape cassette with a lid.

That is, the control force of the cassette holder transfer means and the tape cassette ejection means can be controlled by a single groove cam of the drive rotary body, and the structure is simple and the assembly workability is good. At the tape cassette removal position, both the rotary lid and the sliding lid of the tape cassette are reliably closed by the tape cassette discharge means.

The label of the inserted tape cassette or the rotational state of the reel drive shaft can be visually observed using a reflector provided on the cassette holder transfer means. Further, the double insertion prevention portion prevents double insertion of the tape cassette.

The cassette holding means allows the cassette to be inserted and removed smoothly, and the sliding lid can be opened and closed reliably, and at the performance position, the tape cassette is held by a larger pressing force, that is, by the elastic means.

EXAMPLE Hereinafter, a cassette loading device according to an example of the present invention will be described with reference to the drawings.

FIG. 8 is a top perspective view of the proposed tape cassette. 1 is the cassette body, 2 is a rotating lid that opens and closes by rotating the front opening, and 3 is a sliding lid that opens and closes the opening provided on the bottom of the cassette body. A sliding lid that opens and closes and is locked in two open and closed positions and is always biased by a spring in the closing direction. Reference numeral 4 denotes a notch provided at the lower edge of the rotating lid 2, into which the front edge of the sliding lid 3 is seen. 5 is also a notch provided on the lower edge of the rotating lid 2, and the sliding lid 3
It communicates with the sliding lid lock release protrusion guide groove provided on the lower surface of the slide lid. 6 is a loading grip with a recess for pulling in the cassette.

FIG. 9 is a bottom perspective view thereof. In the figure, 7 is a lock release protrusion guide groove, 8 and 9 are locking holes, and 1Q is a locking claw provided at the tip of an elastic arm integrally formed with the cassette body 1 on the lower surface of the cassette body 1. , always energized outward.

FIG. 10 is a side view showing the sliding lid 3 and the rotating lid 2 in an open state. With this configuration, the rotating lid 2 can be opened after the sliding lid 3 is opened.

FIG. 1 shows a top view of essential parts of the cassette loading device of the present invention. In FIG. 1, 11 is a chassis;
12.13 is a frame attached to both sides of the chassis 11, 14 is a cassette holder, 15 is a holder bottom plate, 16
17 is a sliding lid release projection, and 17 is a holding lid release projection, both of which are provided on the holder bottom plate 15. 18 is a holder upper plate, 19 is a leaf spring, and 2o is a roller attached to the tip of the leaf spring 19 to press and hold the inserted tape cassette. 21 is a holder support shaft attached to the side of the holder;
2 is a roller attached to the tip of the holder spindle. 2
3 is a holder shift arm, 24 is the other end of the holder shift arm and is a tape cassette double insertion preventing portion, and 25 is a pivot shaft of the holder shift arm 23, which is located on the frame 12.13. 26 is an eject arm, 27 is a cassette pressing portion of the eject arm, and 28 is a pivot shaft of the eject arm, which is located on the frame 12.13. 29 is a cam roller provided on the eject arm, 3Q is a cam roller that controls the holder shift arm 23, and 31 is a cam gear with a grooved cam inside. 32 is a motor, 33 is a worm gear mounted on the motor shaft, and 34 is a reduction gear, which reduces the rotation from the worm gear and transmits the rotation to the cam gear 31. 35 is a connecting iron, and 36 is a cassette positioning pin that regulates the front, rear, left, and right heights of the tape cassette set at the playing position. Similarly, the cassette holder 37 that regulates the rear height of the cassette is a pin.

FIG. 2 is a side view of the same, in which 39 is a grooved cam, 40 is a rotating shaft of a cam gear, 41 is an arm, 42 is a pivot shaft of arm 41, and 43 is a holder guide groove provided in the frame 12.13. Guides the vertical movement of the cassette holder 14. 44 is attached to the holder shift arm with a torsion spring. 4
5 is a connecting pin that transmits the movement of the arm 41 to the connecting rod 35.

46 is a connecting pin that connects the connecting rod 35 and the holder shift arm 23. The figure shows the standby state before inserting the cassette.

The operation of the cassette loading device configured as described above will be described below.

Figure 3 shows where the tape cassette has been inserted, 1
is a tape cassette. During this insertion, the locking of the sliding lid 3 in the closed position is first released by pushing up the locking pawl 10 by the sliding lid locking release protrusion 16, and then the sliding lid 3 is locked in the closed position by the subsequent insertion. Lid opening protrusion 17 with sliding front edge
The sliding lid 3 will remain in that position even during subsequent insertion, and the insertion operation will end with the sliding lid 3 completely opened. A switch (not shown) that detects insertion of a tape cassette rotates the motor 32, rotates the cam gear 31 90 degrees counterclockwise, rotates the arm 41 to the right, and supports the holder shift lever 23. The cassette holder 14 is rotated clockwise about the shaft 26 to move the cassette holder 14 to the performance position. FIG. 4 shows this state. The tape cassette is supported in a predetermined position by the cassette positioning pin 36 and the cassette holder by the pin 37, and the cassette holder 14 is lowered down to create a gap between the tape cassette 1 and the lower surface of the tape cassette 1, and the screw spring 44 The cassette holder is energized by the force of. This additional force is transmitted directly to the cassette via row 220. - The rotating lid 2 is opened by a lid opening pin (not shown) when the cassette holder 14 is lowered, and is held in the open position against the return force of the rotating lid 2.

When ejecting a tape cassette, the motor 32 is rotated by a switch operation caused by the ejecting operation, and the cam gear 31 is further rotated 90 degrees counterclockwise.The cassette holder 14 is raised, and by further rotating the tape cassette 900 degrees, the eject arm 26 is rotated. Rotate to the left to remove the cassette suppressor 2.
7, the tape cassette is pushed out to the ejection position. During this extrusion operation, the sliding lid 3 remains in place by its own return force until the opening position is released by the sliding lid locking release protrusion 16 and the sliding lid 3 is completely closed, and only the cartridge main body is pushed out. The closure is ended by
For the first time, it is extruded together with the cassette body (Fig. 6).

The cam gear 31 continues to rotate 90 degrees even after pushing out the cassette, and returns the eject arm 26 to the position shown in FIG. 2, where it stops.

By setting the position of the cassette pressing part 27 of the eject arm 26 at the end of cassette insertion above the open rotary lid 2 at the performance position, the closing operation of the rotary lid 2 by its own blade can be prevented. Even if there is a problem, the suppressor 27 can be forcibly closed, which is advantageous.

FIG. 6 is a side view showing a place where a reflecting mirror is attached to the inner side of a connecting part that connects both the left and right arm parts of the holder shift arm 23, and 47 is a reflecting mirror. This makes it possible to visually check the rotational state of the tape cassette at the playing position, the label, etc. FIG. 7 shows an embodiment in which the reflecting mirror is a concave mirror, and 48 is a concave mirror. If you use a concave mirror, you can enlarge the main parts, making it easier to see.

In the embodiment, a cam roller is provided directly on the eject arm 26, but an arm and a connecting rod may be used as in the case of driving the holder shift arm 23, or vice versa. .

Moreover, the cassette 2 provided at the other end of the holder shift arm 23
The double-insertion prevention section 24 can prevent the cassette from being further erroneously inserted into the performance position, and as shown in FIG. Alternatively, since it can be made to protrude onto the insertion path, double insertion can be prevented.

Effects of the Invention As described above, the present invention includes a cassette holder that allows the tape cassette to be inserted and removed in the direction of its main plane, and a cassette holder that is substantially perpendicular to the insertion and removal direction from the first position that allows the tape cassette to be inserted and removed. a tape cassette ejecting means that reciprocates to eject the tape cassette from the insertion position toward the ejection position; By providing a drive rotating body with one closed grooved cam around the rotating shaft, there is no need to reverse the shimotor, and the structure is extremely simple. Reliable operation can be obtained as a tape cassette loading device.

[Brief explanation of drawings]

FIG. 1 is a top view of the cassette loading device according to the first embodiment of the present invention, FIG. 2 is a side view thereof, FIG. 3 is a side view showing the cassette loading state, and FIG. FIG. 6 is a side view showing the cassette in the ejected state. FIG. 6 is a side view showing an embodiment in which a reflector is attached to the holder shift arm;
Fig. 7 is a side view showing where the concave mirror is attached, Fig. 8 is a top perspective view of the proposed tape cassette, Fig. 9 is a bottom perspective view thereof, and Fig. 10 is a side view showing its lid open state. It is. 1,・19.・Cassette body, 2. Old... Rotating lid, 3.
Old...Sliding lid, 11...Chassis, 12.13
...Frame, 14...Cassette holder, 19.Old...Cassette press, 2o...
Roller, 21...Boulder spindle, 23...
- Holder shift arm, 26 - Eject arm, 31 - Cam gear, 32 - Old motor. Name of agent: Patent attorney Toshio Nakao and 1 other person1-
On the other hand, the main body 14--Voice set halter Fig. 1
u -Shaan 31- Mizo Shizuka Figure 2 Figure 3 Figure 5 Figure 8 Figure Otsu 3

Claims (11)

[Claims] (1) A cassette holder that allows the tape cassette to be inserted and removed in the direction of its main plane, and a cassette holder that is moved in a direction approximately perpendicular to the insertion and removal direction from a first position that allows the tape cassette to be inserted and removed. a cassette holder transport means for transporting the tape cassette toward a second position where the tape cassette is removed; a tape cassette ejection means for reciprocating to eject the tape cassette from the insertion position to the ejection position; A cassette loading device comprising: a drive rotating body having one closed grooved cam around a rotating shaft, and a cassette holder transfer means and a tape cassette ejection means are driven by the grooved cam. . (2) The cassette loading device according to claim 1, wherein the cassette loading device operates by rotating the rotary drive member in one direction. (3) The cassette holder shall be provided with a sliding lid lock release projection and a sliding lid release projection on the bottom surface, and a cassette holding means for pressing the tape cassette toward the bottom surface on the top thereof. A cassette loading device according to claim 1, characterized in that: (4) A state in which the tape cassette ejecting means completes its ejecting operation and returns to the innermost part of the cassette insertion slot is defined as an operation stop position and a standby position for insertion of the next cassette. The described cassette loading device. (5) The cassette holder transfer means is formed as a U-shaped rotating arm that spans both sides of the cassette holder, and a reflector is attached to the inner surface of the connecting part of both the left and right arms, and the main part of the tape cassette at the playing position is transferred to the cassette. The cassette loading device according to claim 1, wherein the cassette loading device is made visible from the insertion port side. (6) The cassette loading device according to claim 5, characterized in that the tape cassette mounted at the performance position is reflected by a concave mirror provided above so that it can be viewed visually from the tape cassette insertion slot. . (7) The tape cassette ejecting means is formed by a U-shaped rotating arm, and the tape cassette is ejected at the connecting portion of both the left and right arms.
The cassette loading device described in Section 1. (8) A cassette holder that allows the tape cassette to be inserted and removed in the direction of its main plane, and a cassette holder that is moved from a first position that allows the tape cassette to be inserted and removed in a direction approximately perpendicular to the insertion and removal direction. The tape cassette ejecting means includes a cassette holder transporting means for transporting the tape cassette toward a second position where it can be played, and a tape cassette ejecting means for ejecting the tape cassette from the insertion position toward the ejection position. A cassette loading device characterized in that a tape cassette pressing part is positioned above an open rotating lid of a tape cassette in a playing position. (9) A cassette holder that allows the tape cassette to be inserted and removed in its main plane direction, a cassette holding means provided on the cassette holder, and a cassette holder that allows the tape cassette to be inserted and removed from the first position that allows the tape cassette to be inserted and removed. a cassette holder transporting means for moving in a direction substantially perpendicular to the direction of the cassette holder to a second position where it can be played; and an elastic means provided between the cassette holder transporting means and the cassette holder. A cassette loading device characterized in that when the holder is in the second position, the biasing force by the elastic means is transmitted to the tape cassette. (10) The cassette holding means is constituted by a spring-supported roller, and when the cassette holder is in the first position, the tape cassette is pressed by the roller, and when the cassette holder is in the second position, the tape cassette is pressed through the roller. 10. The cassette loading device according to claim 9, wherein the biasing force by the elastic means is directly transmitted to the tape cassette. (11) The cassette holder is moved to the second position by the rotating arm for transferring the cassette holder, thereby blocking the cassette insertion opening and preventing double insertion of the tape cassette. The cassette loading device according to item 5.