JPH0812732B2 - Multiple cassette loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a multi-cassette mounting apparatus incorporating a small tape cassette adapter.

(B) Conventional technology As this type of conventional technology, for example, Japanese Patent Laid-Open No. 1-55550 G11
B15 / 675 There is a magnetic recording and reproducing apparatus as disclosed in JP-A-1-169770G11 B15 / 675. The former conventional technique described above will be briefly described below with reference to the drawings. FIG. 15 is a perspective view of a conventional magnetic recording / reproducing apparatus, and FIG. 16 is a side view of an adapter moving mechanism in the apparatus of FIG.
In FIG. 15, a magnetic recording / reproducing apparatus (60) has a standard tape cassette insertion opening (62) and a small tape cassette insertion opening (63) on a front panel (61). In FIG. 16, when the small tape cassette (64) is inserted through the cassette insertion opening (63), the small tape cassette (64) is attached to the small tape cassette holder (65), and the holder (65) is the third tape cassette. The small tape cassette (64) is attached to the adapter (67 ) by the moving means (66) , and then the adapter (6) is attached.
7) is mounted on the standard type tape cassette holder (69) by the second moving means (68) . Furthermore, the holder (6
9) is brought to the tape operating position by the first moving means (70), and the tape is pulled out by the existing tape pulling-out means and wound around the cylinder (not shown).

The latter is provided with a cassette holder for a small tape cassette, and the cassette holder is provided with a tape running path and a reel driving portion which are substantially equivalent to a standard tape cassette.

(C) Problems to be Solved by the Invention However, in the case of the former with the above-mentioned configuration, the small tape cassette insertion port and the standard type tape cassette insertion port are vertically stacked in two stages, and the holders are provided respectively. Therefore, the height of the entire apparatus becomes large and moving means for both holders are required, and the torque transmission system for driving a plurality of moving means becomes complicated.

Further, in the latter case, there is a problem that the structure of the cassette holder for the small tape cassette becomes complicated.

In view of the above-mentioned problems, the present invention provides a multi-cassette mounting device which is designed to be thin and has a single tape cassette insertion port to improve operability.

(D) Means for Solving the Problem In order to solve the above-mentioned problems, the multi-cassette mounting apparatus of the present invention is designed to transfer / return cassette adapters, has standard cassette holding means, and moves in the horizontal direction. Second holder, a releasing means for releasing the cassette holding means, and a cassette adapter holding means, and usually a second holder for mounting the cassette adapter and moving in the horizontal direction; and a guide for moving the first holder. Means and a means for controlling the cassette adapter holding means, a side plate having a means for holding the frame body and controlling the releasing means, and driving the first and second holders, respectively. It is composed of first and second driving means.

(E) Operation The present invention has the above-described configuration, and the adapter for the small tape cassette is transferred from the second holder to the first holder while the first and second holders are moving in the horizontal direction. At this time, the adapter holding means is released by the control means provided on the frame body to transfer the adapter to the first holder, and conversely from the first holder to the second holder.
When returning the adapter to the first holder, while the first and second holders are horizontally moving relative to each other, the releasing means of the second holder is activated by the control projection provided on the side plate,
By releasing the cassette holding means of the first holder, the adapter is smoothly returned to the second holder.

(F) Embodiment A multi-cassette mounting apparatus according to an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an exploded perspective view of a multi-cassette mounting apparatus of the present invention, FIG. 2 is a schematic diagram in each operation when a standard tape cassette is mounted, and FIG. 3 is a schematic diagram in each operation when a small tape cassette is mounted, and FIG. FIG. 14 to FIG. 14 are a plan view and a side view showing the respective states when the standard tape cassette is mounted, the adapter is delivered and returned in the apparatus of FIG.

In FIG. 1, cassette tray (first holder)
(1) is formed of a front plate (2), left and right rails (3) and (3), and side plates (4) and (4) for receiving a cassette. Guide rails (3a) (3a) in the center of the side surface of the rail (3), linear racks (3b) (3b) on the lower surface, and ridges (3c) on the upper surface.
(3c) is integrally formed. Side plates (4) and (4) on which bent pieces (4a) for receiving the cassette are formed are attached to the rails (3) and (3), and the cassette holding levers (5) and (5) are rotated. It is attached freely and unidirectionally. A lever (6) for unlocking the cassette front lid is further attached to one side plate (4) so as to be rotatable and biased in one direction. The cassette holding lever (5) is provided with a tongue piece (5a) and a cassette holding locking piece (5b). ( 7 ) is a frame and is connected to the left and right side plates (8) and (8) by two gear shafts (9) and (10). The side plate (8) has a plurality of protrusions (or protrusions) (11) (11)
And L-shaped bent tongues (8a), (8a) are provided, and the groove (3a) and the ridge (3c) of the rail (3) are engaged with and separated from the rail (3) (3). ) Guide for horizontal movement. When the frame (7) is further moved vertically on the side plates (8) and (8) and the cam gear (33) and the gear (34) are disengaged from each other, the rail (3) can move horizontally. Guide plate (1) for guiding when sending and receiving a rail pressing plate (12) (12) for regulating a cassette and a cassette adapter (16) described later.
3) (13) and a control protrusion (first control means) (14) for controlling an adapter holding lever (39) described later in the releasing direction.
And the guided projecting shaft (15) (1) for vertical movement of the frame (7)
5) and a salient shaft (17) that rotatably supports a rotatable gear (16). Further, the gears (18) and (18) meshing with the linear racks (3b) and (3b) of the rails (3) and (3) and the motor (driving source) only at one end are provided at substantially both ends of the gear shaft (9). Driven gear (19) to which the deceleration torque of (28) is transmitted
The gears (20) and (20) are attached to both ends of the other gear shaft (10). Driven gear (19)
A gear (34) meshing with a cam gear (33) described later is rotatably supported.

(21) (21) in the side plates of the symmetrical, projecting shaft of the frame body for guiding the vertical movement of the frame of the aforementioned (7) (7) (15)
Guide slots (21a) (2) through which (15) and (17) are inserted respectively
Control protrusions (second control means) (2) for controlling a release lever (40), which will be described later, are provided on the edges of 1a) (21a) and the bent tongue (21b).
2) is formed, and a control lever (23) is pivotally supported by a shaft (21c) on one side plate (21). The control lever (23) has a follow-up pin (24) penetrating into a cam groove (33a) of a cam gear (33), which will be described later, and the above-mentioned protruding shaft (1).
A substantially square through hole (23a) into which the 7) is loosely fitted is provided, and a claw-scissor spring (25) for urging the protruding shaft (17) is attached. (26) is a straight rack plate and the above-mentioned gear (1
It is attached to the side plate (21) so as to mesh with 6) and (20).

The bracket (27) includes a drive motor (28), a motor gear (29), two reduction gears (30), (31), (32), and a cam gear (33) having a lock groove (33a) rotatably. It is pivotally supported. As shown in FIG. 4, the cam gear (33) has teeth formed around the entire circumference of the gear (32) and always meshes with the gear (32). 33
b) has been formed. (35) is an adapter holder (second holder) for mounting the small cassette adapter.
It is formed of a holder (36) having a substantially U-shaped cross section, a driven linear rack (37) for horizontal movement, and a pair of guided linear racks (38, 38).

When both ends of the top plate (36a) of the holder (36) are moved forward by the adapter holder (35 ) and approach the frame (7) , the guide plate (13 ) of the frame (7) is ) Is provided with an arcuate notch (36b) so that the bottom plate (36c) does not collide with the top plate (36a), and the bottom plate (36c) also collides with the cassette holding levers (5) and (5) of the cassette tray (1). Both edges are cut off so that they do not fit. The holder (36) has adapters (300) on both sides.
(See FIG. 3) The release levers (40) (40) for operating the holding levers (39) (39) and the cassette holding levers (5) (5) of the cassette tray (1 ) are respectively springs (41) (. It is rotatably attached by being urged in one direction by 42). The linear racks (38, 38) are each provided with a plurality of guided protrusions or rollers (43). The # -shaped frame (49) serves as a guide rail for moving the adapter holder (35) in the horizontal direction and as an assembly frame for the device of the present invention. The bracket (44) (45) has a cross-section guide rail. (46) (46) is fixed, the shaft (47) is inserted through the cut and raised tongues (45a) (45a) of the bracket (45), and the gears (48) (48) are rotatably supported at both ends. The gears (48) (48) mesh with the above-mentioned linear racks (38) (38), and the protrusions or rollers (43) (43) ... Are mounted on the guide rails (46) (46) and the adapter. The holder holder (35) can be moved smoothly in the horizontal direction. The frame body (49) is fixed to the left and right side plates (21, 21). Reference numeral (50) is a drive source for the adapter holder (35) , and a drive motor (52), a worm (53), a worm wheel (54), and a gear (55) are attached to the bracket (51). The drive source (50)
When attached to the mechanism chassis (56), the gear (55) meshes with the linear rack (37). The side plates (21) (21) and the bracket (27) are also fixed to the mechanism chassis (56) to complete the assembly of the device of the present invention. still,
(57) indicates a housing.

Regarding the cassette mounting device configured as described above,
The operation will be described below with reference to FIGS. 2 to 14.
First, the outline of the device of the present invention will be described with reference to FIGS. 2 and 3. FIG. 2 is a schematic view of each mode of the cassette tray (1) when the standard cassette (100) is mounted. When, for example, an eject button (not shown) is pressed from the standby mode (a) by an external operation, the tray (1) projects out of the housing to enter the eject mode (b) and the standard cassette (10
0) is attached to the tray (1) , and the tray (1) or an operation button (not shown) is pushed to move the tray (1) horizontally to the right in the drawing, and subsequently to be integrated with the frame body (7). Then, the tape descends along the side plate (21) to enter the tape operation mode (c). By operating a reproduction button (not shown) or the like, the tape is pulled out from the cassette (100), the tape is wound around a cylinder (not shown), and the tape is run. Next, when the eject button is pressed, the above-described operation is reversed and the tray (1) enters the eject mode (d). That is, the same state as shown in FIG. The standby mode (a) is reached by taking out the cassette (100) and pressing the tray (1) or the operation button.

 Next, when installing the small cassette (200), see Fig. 3.
The operation of the schematic diagram is as follows. That is, the standby mode (a) is the second
Button for using a small cassette in the same state as in Figure (a)
When pressing (not shown), holder for adapter(35)
Moves to the left, while the cassette tray(1)is a little
Moving to the right, both sides collide and partially overlap
The adapter (300) is the holder(35)From tray
(1)The state shown in FIG. Subsequently
holder(35)Returns to the original position (right edge) and the tray
(1)Is the eject mode (c) diagram. Small tape
Tray with set (200) installed(1)Or press the operation button
And the tray(1)Moves horizontally and continues to the frame(7)With one
Directly move to the tape operation position (d) and the tape
It is possible to drive the vehicle Pressing the eject button will reverse the above
Then, the state of the eject mode (e) is obtained.
Now take out the small cassette (200) and put it in the tray.(1)Or
When the operation button is pressed, the state shown in the standby mode (f) is obtained. Further
Press the standard cassette button (not shown) to
I(1)Moves horizontally to the right and
Ruder(35)Moves horizontally to the left and(1)Abut
The adapter (300) is in the tray(1)Kara
Dah(35)It is returned to (g) and goes through the state shown in the standby mode.
The state of (a) is obtained. In the device of the present invention, FIG.
Tray in figure and (g)(1)Position L₁, L₂Is L
₁<L₂Is set to.

Next, each operation will be described in detail. FIG. 4 is a plan view at the time of ejection, and FIG. 5 is a side view thereof. By pressing an eject button (not shown) in the figure, the cassette tray (1) projects out of the housing (57) and the state shown in FIG. 4 is obtained. Install the standard cassette (100), and attach the tray (1)
When is pressed, the switch (not shown) is closed and the motor (2
8) rotates, the motor gear (29), the reduction two-stage gear (30),
It is transmitted to the gear (19) through (31), (32), the cam gear (33), and the gear (34), and is provided coaxially with the gear (19) at both ends of the gear shaft (9) and the tray (1 ) The gears (18) (18) meshing with the linear rack (3b) are rotated.
Therefore, the tray (1) moves horizontally to the right in the drawing. The groove (3a) of the rail (3) is the protrusion (11), (11) of the side plate (8).
In addition, the ridge (3c) of the rail (3) is positionally regulated by the bent tongues (8a) (8a) of the side plate (8) and horizontally moves while sliding to the right in the drawing. At this time, as shown in FIG. 5, the adapter holder (35) holds the small cassette adapter (300) at the retracted standby position and stands by. Cam gear (3
When 3) rotates clockwise, the cassette tray (1) moves horizontally to the right, but the follow-up pin (24) of the control lever (23) pivotally supported by the side plate (21) moves the tray (1) above. Since the section that moves horizontally follows the concentric circle portion of the cam groove (33a) of the cam gear (33), the protruding shaft (17) of the gear (16) pivotally supported by the side plate (8) maintains its current position. There is.

When the cam gear (33) further rotates in the clockwise direction, the follower pin (24) follows the cam groove (33a), and the cam groove (33a) is formed in the axial direction, so that the cam groove (33a) Then, the control lever (23) rotates clockwise around the shaft (21c). As a result, the protruding shaft (1) that is spring-biased and loosely fitted into the through hole (23a) of the lever (23).
7) receives a downward force in the drawing, and the gear (16) moves to the rack plate (2
6) Move vertically along. That is, the tray (1) and the frame body (7) are integrated with each other, and the protruding shafts (15) (15) of the side plate (8) and the protruding shaft (17) described above are connected to the guide elongated hole (21a) of the side plate (21). (2
1a) (21a) ... descends vertically to reach the tape operation position in Fig. 10. 8 and 9 show a plan view and a side view of the tape operation mode, respectively. As shown in the figure, the adapter holder (35) is at the rightmost standby position. When a play button (not shown) or the like is operated in this state, the tape is pulled out from the cassette (100) and wound around the cylinder, so that the tape is in a running state. By performing the eject operation, the eject mode shown in FIG. It should be noted that the forward rotation / reverse rotation start of the drive motor (28) is started by each detection switch, mode switch and the like. Vertical descent of the frame (1), the operation of the rise, the force in the downward direction, also at elevated upward at lowered by the urging force of the aforementioned projecting shaft (17) of crab scissor spring (25) Is applied to elastically urge the gear (16) downward or upward at each end to restrict the frame body (7) to a predetermined position.

Next, the operation when using the small cassette will be described. By pressing a small cassette button (not shown), the motor (52) rotates. This drives the linear rack (37) of the adapter holder (35) via the worm (53), worm wheel (54), and gear (55).
(35) is a guide rail (46) (46 ) of the frame body (49), and
The gears (48) (48) and the linear racks (38) (38) cooperate with each other to smoothly move horizontally to the left to the state shown in FIG. The protrusion (39a) of the adapter holding lever (39) of the adapter holder (36) is located near the horizontal movement completion position of the holder (35), and the protrusion (39a) of the side plate (8) serves as a control protrusion (first control means).
The adapter (300) becomes free because it comes into contact with (14) and rotates to unlock the adapter (300). still,
The lock protrusion of the adapter (300) is retained by the locking protrusion (39b) of the spring-biased adapter retaining lever (39).
00) by locking the locked recess (not shown). The tray (1) and the holder for adapter (35) are in a state of overlapping, and the cassette holding lever (5) of the tray (1 ) is the adapter (300) and the cassette locking piece (5) at the tip.
b) is pressed and rotates clockwise. More Holders (35)
When the tray approaches the tray (1) , the cassette holding lever (5)
Can be transferred to the tray (1) side without collision between the tray (1) and the holder (35) because the holders (36) enter the notches on both side edges of the bottom plate (36c). (No. 12
See figure).

When the adapter (300) is completely attached to the tray (1) ,
Since the cassette holding lever (5) is biased by the spring, it returns to hold the adapter (300) by the locking piece (5b). After that, the motor (52) reversely rotates and the holder (35) retreats and returns to the standby position. At that time, the motor (28) is also activated, and the tray (1) on which the adapter (300) is placed becomes the eject mode (FIG. 4 ) in which the small cassette can be mounted and ejected. When the small cassette (200) is mounted and the tray (1) or the operation button is pressed, the same operation as in the above-described standard cassette mounting performance is performed.

Next, after removing the small cassette (200), when mounting the standard cassette (100) again, operating the standard cassette button (not shown) causes the motor (28) to rotate and mount the adapter (300). The placed tray (1) horizontally moves to the right, while the adapter holder (35) also horizontally moves to the left due to the rotation of the motor (52), and the two are overlapped so that the adapter (300) is trayed. Although returned from (1) to the holder (35) , FIGS. 13 and 14 show the vicinity of the position where polymerization of both is completed. That is, as shown in FIG. 14, when the holder (35) moves to the left, the control projection (second control means) (2) provided on the side plate (21) in the path thereof (2
The triangular protrusion (40a) of the release lever (40) comes into contact with 2), and the release lever (40) rotates counterclockwise. As a result, the release lever (40) moves the cassette holding lever (5).
The lever (5) is rotated clockwise by abutting on the tongue (5a). Therefore, the adapter (300) is released. Also, while the adapter holder (35) is moving horizontally, the holding lever (39) of the adapter holding pair (36)
The locking protrusion (39b) is pushed by 0) and rotates. tray
When the polymerization of (1) and the adapter holder (35) is completed, the adapter holding lever (39) is spring-biased, so that the adapter protrusion (39b) is returned to secure the adapter (300). Hold the lock. At this point the motor (28), (2
5) are reversed, and the two move away from each other, that is, the tray (1) moves horizontally to the left, and the holder (35) on which the adapter (300) is placed moves horizontally to the right (3rd position). Return to FIG.

In the present invention, as shown in FIG. 3, the standby state (FIG. (A))
Although the adapter receiving position (Fig. (B)) and the adapter returning position (Fig. (G)) are different from each other, the adapter may be received at the standby position. When the small cassette is used, position detection of the tray (1) and adapter holder (35 ), ON / OFF of the motor (28) and motor (52), forward / reverse rotation, etc. are all performed with a mode switch and microcomputer configuration. To do. In addition, with the small cassette (200) still installed in the adapter (300), the holder (3
It is also possible to make 5) wait.

(G) Effect of the Invention As described above, according to the device of the present invention, the holder having the small cassette adapter is provided, and the adapter is transferred from the holder to the tray in the same plane as the standard cassette mounting tray, and vice versa. When returning the adapter from the tray to the holder, the lever that holds the adapter is activated in advance by the control protrusion provided in the horizontal movement path of the tray and the holder to release the adapter lock.
The adapters are handed over to each other smoothly.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an apparatus according to an embodiment of the present invention,
2 and 3 are schematic views in each mode when using a standard cassette and a small cassette, respectively, and FIGS. 4, 5, 6, and 7 are plan views, side views, and trays in the eject mode, respectively. 8 is a side view of the cam gear and FIG.
FIGS. 9, 9 and 10 are a plan view, a side view and a cam gear position explanatory view, FIG. 11 and FIG.
FIGS. 13, 13 and 14 are a plan view and a side view, respectively, in the middle of passing and returning an adapter, and FIGS. 15 and 16 are an external perspective view and a side view, respectively, of a conventional example. 1 ... cassette tray (first holder), 3 ... rail,
7 ... Frame, 21 ... Side plate, 35 ... Adapter holder (second holder), 38 ... Straight rack, 46 ... Guide rail, 100 ...
Standard cassette, 200… Small cassette, 300… Small cassette adapter.

Claims (3)

[Claims] 1. A cassette mounting device for transferring / returning a cassette adapter in the device, the first holder having cassette holding means and moving in a horizontal direction, a means for releasing the cassette holding means, and the cassette. A second holder which is provided with a means for holding the adapter and normally moves the cassette adapter in a horizontal direction; a means for guiding and guiding the first holder; and a means for controlling the cassette adapter holding means. A frame provided, a side plate having means for holding the frame and controlling the releasing means, and first and second driving means for driving the first holder and the second holder, respectively. A multi-cassette mounting device comprising: 2. The multi-cassette mounting apparatus according to claim 1, wherein the control means of the cassette adapter holding means is a protrusion provided in the moving passage of the second holder. 3. The multi-cassette mounting apparatus according to claim 1, wherein the control means of the releasing means is a protrusion provided in the moving passage of the second holder.