JPS59113558A - Cassette loading device - Google Patents

Abstract

PURPOSE:To distinguish a cassette-up position and a cassette-down position from each other, by making the lock lever position different between the cassette-up position and the cassette-down position of a cassette holder. CONSTITUTION:In case that the cassette holder placed in the cassette-down position is raised to the cassette-up position, a release action lever 17 supported freely turnably by a pin 18 which is stood on a substrate is brought into contact with a lock release kick pin 14 and is rotated counterclockwise to rotate a lock lever 26 clockwise, and the locking force due to a lock release spring 15 is released, and the lock state of a lock roll 11 fixed to a fixing part 26B is released, and therefore, the lock roll 11 is moved in the direction of an arrow (a), and thus, the cassette holder rises to the cassette-up position. By releasing the lock in this manner, a switch 22 is turned off in a short time by a down detecting lever 24, and the switch 22 is kept turned-off until the lock roll 11 reaches the cassette-up position.

Description

[Detailed description of the invention] Industrial applications The present invention relates to a cassette loading device.

Structure of a conventional example and its problems A conventional cassette loading device will be explained with reference to FIGS. 1 to 4. FIG. 1 is a perspective view, and FIGS. 2 to 4 are explanatory diagrams of the operation of the locking mechanism.

In Figs. 1 to 4, (1) is a cassette holder, which is a mounting member for storing a cassette (not shown) loaded with magnetic tape, etc., and for moving the cassette to the cassette set-up position and the cassette-down position. It is. (2) is the cassette holder lid shown on the cassette holder (1). (3) and (4) are presser levers for holding down the cassette, which are rotatably supported by the cassette holder (1) and configured to press and fix the cassette with springs or the like (not shown).

(5) is the sub arm, (6 is the holder support,
both? One end is rotatably supported by a cassette holder (1), and the other end is rotatably supported by a stand (7). The stand (7) is a board (8) such as an aluminum chassis.
It is fixed with screws etc. (9) is a locking pin hung on a cassette holder spring (LO) with one end fixed to the holder support (6) and the other end attached to the stand (7).The other end of the cassette holder spring Q is attached to the stand (7). ).A lock roller 9 is rotatably supported on the outer periphery of the lock pin (9). 03 is a lock lever bin embedded in the lock lever.

A41 is an unlock kick bin installed in the lock lever (2). 0Q is a kick pin α that unlocks one end.
→This is a lock release spring with one end hung on the stand (7) and the other end hung on the stand (7). The lock mechanism (2) is configured to rotate around a lock stand bin QfJ installed in the stand (7) as a fulcrum.

αη is a release action pin rotatably supported by an action bin (g) fixed to a stand (7). 0 is the up detection switch that is switched by the rotation of the up detection lever υ which is rotatably supported on the bottle 4, and (e) is the rotation of the down detection lever (c) which is rotatably supported on the bottle holder. This is a down detection switch that is switched by rotation.The down detection lever (goods) is biased counterclockwise by a (not shown) (not shown) one end of which is hung on the stand (7). .

Next, the operation of this device will be explained. As shown in Figures 1 and 2, the cassette setup position (cassette holder (1)
Place the cassette holder (1) in the position where the cassette can be inserted.
), the up detection lever Q1) is rotated counterclockwise by the lock pin (9), and the switch a is turned ON, and the down detection lever (c) is turned counterclockwise by the lock pin (9). When rotated clockwise, switch operation is O.
Become N. The cassette holder at this cassette position (insert the cassette into υ and press the cassette holder 9
The sub-arm 15) and the holder support (6) descend using the stand (7) as a fulcrum, and the lock pin (9) and lock roller αη supported by the holder support (6) both move in the direction of the arrow shown in FIG. Descend in the direction of A. Therefore, the up detection lever is connected to the switch θO.
Due to the elasticity of the movable contact piece, it rotates clockwise and the switch turns OFF. And lock pin 19)
As the lock lever (B) descends in the direction of the arrow A, the guide portion (12A) of the lock lever (B) is pushed by the lock roller Oυ and moves in the direction of the arrow. Therefore, the lock lever (to) installed on the lock lever @ moves in the direction of the arrow opening, presses the protrusion of the down detection lever (c) against the spring (a) in the direction of the arrow opening, and down Since the detection lever (c) is rotated clockwise, the switch (4) is turned off.

Further, when the cassette holder (1) is fully pressed down and lowered, the lock roller Oυ moves to the guide part (12A) of the lock lever (2).
) Lock fixing part (12B) of lock lever (2)
) and place it in the car set holder (1) as shown in Figure 4.
) to the cassette installation position (cassette down position). At this time, the lock lens (2) is biased by the lock release spring α, so the lock lens (-bin 0
moves in the direction of arrow C. This causes the down detection lever to rotate counterclockwise and turn the switch on again. Note that at this time, the switch θ is kept in the OFF state.

In addition, when raising the cassette holder 11) from the cassette down position to the cassette set up position, the release action lever αη rotatably supported by a bottle (b) embedded in the base plate (8) is locked. Release kick pin α→
By making contact with the lock lever and rotating it counterclockwise, the lock lever @ rotates clockwise, the lock lever by the lock release spring (T) is released, and the lock roller 0υ fixed to the lock fixing part (12B) is released. Since the locked state is released, the lock roller CLυ moves in the direction of the small arrow, and the cassette holder 11) rises to the cassette setup position. By releasing the lock in this way, the lock roller Oυ
The short time it takes for the temperature to rise to 1 simmer instead of increasing
The down detection lever (c) turns the switch (a) OFF, but when the lock roller 0υ reaches the cassette setup position, the down detection lever (c) turns the switch (a) ON again and holds it. Also, rock roller (II)
When the cassette set point P reaches the end, the up detection lever] turns to turn the switch He ON again. Repeat the same operation below.

The cassette loading device configured in this way has a cassette set-up position ′ and a bottom-down position ft< (7) If
f lever (Since the IJ position is the same, it is impossible to distinguish between the cassette setup position and the cassette down position, and in order to detect the cassette position, the pin handle and up detection lever?]), switch α1 is It was necessary.

OBJECTS OF THE INVENTION The object of the present invention is to provide a cassette mounting device that eliminates the bin, up detection lever, and switch, and that can distinguish between the cassette setup position and the cassette down position with a simple configuration. .

Structure of the Invention In order to achieve the above object, the present invention provides a cassette up-and-down mechanism section for raising and lowering a cassette holder between a force-up position fR and a cassette-down position; a locking member that moves in conjunction with the vertical movement of the holder; a locking member that is rotatably held on a substrate while being biased in a direction to prevent movement of the locking member;
When the cassette holder is lowered, the guide part that comes into contact with the lick member and the lock member move beyond the guide part 0), and when the cassette holder is lowered to the cassette down position, the fixed part that comes into contact with the lock member and a lock lever position detection unit for detecting whether or not the lock lever is located at the position of the lock lever when the cassette holder is in the cassette down position. The cassette holder is constructed so that the cassette set-up position and the cassette-down position are different from each other, so that the cassette set-up position and the cassette down position can be distinguished with a simple configuration.

Description of examples Embodiments of the present invention will be described below based on the drawings.

5 and 6 are explanatory diagrams of the operation of the locking mechanism section of the cassette loading device which is an embodiment of the present invention. FIG. 5 shows the cassette set-up position and FIG. 6 shows the cassette-down position. 1) - (1υ, 03 - (c), (a) - (c) are similar to those with the same numbers shown in Figs. 1 - 4, and have the same structure. (c) is a lock lever. -, and this lock lever (C) is in contact with the lock roller (Y) even in the cassette setup position.

Next, the operation of the cassette device of this device will be explained.

As shown in Fig. 5, when the cassette holder (1) is in the cassette setup position, the lock lever (A) is moved by the lock roller (B) biased by the cassette holder spring fi4.
is rotated slightly clockwise.

Therefore, the down detection lever (c) is also in a state of being rotated clockwise, and the switch handle is turned off.

Insert the cassette into the cassette holder (1) at this cassette setup position, and as you push down the cassette holder lid (2), the cassette holder (1), surfarm (5), and holster support (6) will move. Tando (7
) while descending using the holder support (6
) supported by the lock bin (9) and lock roller Q
ρ both fall in the direction of arrow A as shown in FIG.

As the lock bin (9) descends in the direction of the arrow A, it is further pushed by the inner roller (26A) of the lock lever (E) and moves in the direction of the arrow. Therefore, the lock lever pin ←$ installed in the lock lever (E) moves in the direction of the arrow opening, and presses the protrusion of the down detection lever (C) against the spring (C) in the direction of the arrow opening. Then, rotate the down detection lever (c) further clockwise.

Furthermore, when the cassette holder (1) is pressed and lowered, the lock roller (B) moves to the guide part (26A) of the lock lever (C).
) to the lock identification part (26B) of the lock lever (c).
) and insert the cassette holder (1) as shown in Figure 6.
Lock in the cassette installation position h (cassette down position). At this time, the lock lever @ is lock IW 11M2
Since it is biased by spring αQ, lock lever pin Q3
moves in the direction of arrow C. As a result, the leak detection lever 4 rotates counterclockwise and the switch (a) is turned to the OFF position.
Set it to N.

Also, the cassette holder in this cassette down position (
1) When raising the cassette to the cassette setup position, the board (
By bringing the release action lever αη rotatably supported by the bottle (l) installed in the bottle (l) into contact with the lock 117 locking pin O4 and rotating it counterclockwise, the lock lever (c) is moved in the chronological direction. As it rotates, the locking force by the lock release spring 0 frame is released, and the locked state of the lock roller CJp fixed to the fixed part (26B) is released, so the lock roller av moves in the direction of the small arrow and locks the cassette holder ( 1) rises to the cassette set-up position. By releasing the lock in this way, the down detection lever (c) turns the switch (a) OFF in a short time, and the lock roller 01) moves to the cassette set-up position. It remains OFF until it reaches the point. Repeat the same operation below.

Effects of the Invention As described above, according to the present invention, the cassette set-up and the like,
Since the position of the lock lever is changed depending on the cassette down position, the cassette set up position and the cassette down position can be distinguished with a simple bending process, eliminating the need for conventional parts for detecting the cassette position. , the effect is great.

[Brief explanation of drawings]

Fig. 1 is a perspective view of a conventional cassette mounting system, Figs. 2 to 4 are explanatory diagrams of the operation of the locking mechanism of the same device, and Figs. 5 to 6 are cassette mounting according to an embodiment of the present invention. FIG. 3 is an explanatory diagram of the operation of the locking mechanism section of the device. (])...Cassette holder, (+4...Cassette holder spring. αυ...Lock roller, α罎...Lock lever pin,
Q→...1 lock release lock pin, OQ...lock release spring, rock...down detection switch, c binding...
・Down detection lever. @…Lock Lever Agent Yoshihiro Morimoto Figure 1

Claims (1)

[Claims] 1. A cassette up and down mechanism that moves the cassette holder up and down between cassette setup positions;
The cassette up and down mechanism section is provided with a lock member that moves in conjunction with the up and down movement of the cassette holder, and a lock member that is rotatably held on the substrate while being biased in a direction to prevent movement m+ of the lock member; A lock r having a guide part that comes into contact with the lock member when the cassette holder is lowered, and a fixing part that comes into contact with the lock member when the lock member moves beyond the guide part and the cassette holder is lowered to a cassette down position. ¥! , i-t, 1 r■ A lock lever position detection unit for detecting whether or not the lock lever is located at the position of the lock lever when the E cassette holder is in the cassette down position; A middle set mounting device in which the cassette holder has different positions in a cassette set up position and a cassette down position. 2. By regulating the lever position of the lock lever in the cassette set-up position, which is biased in a direction to prevent movement of the lock member, by the lock member, the position of the lock lever in the cassette-down position and the cassette set-up position can be adjusted. 2. The cassette mounting device according to claim 1, wherein the lock lever positions are different when the cassette is loaded.