JPH082833Y2 - Cassette holder device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to an improvement of a cassette holder device for R-DAT.

[Prior Art] As is well known, the cassette of the R-DAT is provided with a slider and a slider lock claw for fixing the position of the slider on the lower surface of the cassette half (hereinafter simply referred to as a half) from the viewpoint of tape protection. In addition, it is usually equipped with a lid that shields the front surface of the tape and performs an opening operation so that the tape can be pulled out from the half in a tape loading state.

Therefore, unlocking the slider, moving the slider, and opening the lid are required to bring the cassette into the loading state.

FIG. 3 shows a cassette holder 01 (hereinafter simply referred to as a holder) equipped with a member for achieving the unlocking of the slider and the movement of the slider, and 011 is a holder base, and a reel is provided at a substantially central portion of the holder base 011. A pair of holes 012 through which the spindle is inserted are provided at the rear edge of the pair of bent pieces 013.
However, a ridge 014 is further formed in a portion between the hole 012 and the bent piece 013.

In addition, on both sides above the holder 01, halves the holder base 01
A spring body 015 that presses in one direction is formed.

The half inserted into the holder base 011 in the direction of the arrow advances while being pressed in the holder base 011 direction by the spring body 015, the slider lock claw is pressed by the protrusion 014, and the lock is released. 013 contacts the front end of the slider to move the slider rearward as the cassette advances.

When the slider moves to various positions, the contact between the protrusion 014 and the slider lock claw is released, and the movement of the slider is locked again.

Although not shown, the holder is moved to the loading position while maintaining such engagement between the half and the holder, the lid is opened by the lid opening member, and the tape is pulled out of the half to start predetermined loading.

[Problems to be Solved by the Invention] In such a cassette holder, a force that lifts the front end of the cassette upward acts in the opening operation of the lid, and in order to prevent the half from moving up and down, the spring body has a half body. There is no choice but to adopt a structure that presses the front part of the.

This may cause the rear end of the half to be lifted, which may cause step winding during unwinding and vibration of the half due to external vibration.If the amount of lifting is large, the switch for detecting the type of half should be There was a problem of becoming inoperable.

[Means for Solving the Problem] The present invention comprises a spring body for pressing the front portion of the half and a means for pressing the rear portion of the half, and the means is a protruding portion arranged in proximity when the holder descends. The cassette holder device is provided with a moving pin that abuts against and a half pressing member that rotates in the half direction by the operation of the moving pin.

[Operation] The front part of the half is pressed by the spring body, and the rear part of the half is pressed during loading to prevent the half from rising.

[Embodiment] An embodiment of the present invention will be described below.

In FIG. 1, reference numeral 1 is a holder, 11 is a holder base, and a pair of holes 12 through which the reel spindle is inserted are formed in a substantially central portion of the holder base 11, a pair of bent pieces 13 is formed at the rear edge, and the holes 12 are formed. A ridge 14 is formed between the bent piece 13 and the bent piece 13.

Spring bodies 15 for pressing the front part of the half toward the holder base 11 are formed on both upper sides of the holder base 11.

Further, 2 is means arranged on both sides of the holder base 11 so as to press the rear part of the half housed in the holder base 11. The means 2 is located above the front of the half 3 as shown in FIG. 2a. Half pressing member 21 that comes into contact with the corner of the half pressing member, a spring piece 22 for elastically supporting the half pressing member 21 on the holder base 11 in a rotatable manner, and a movement that comes into contact with the inner wall of the half pressing member 21. The pin 23 is arranged close to the vertical movement path of the holder such as a holder support member, and the movement pin 23 comes into contact with the holder 1 when the holder 1 moves, so that the holder stand
The projection 4 is configured to move in 11 directions (rightward in the drawing) and a spring 24 that biases the moving pin 23 in the direction opposite to the holder base 11 (leftward in the drawing).

Next, the operation of this invention will be described. The holder 1
The half 3 inserted in the direction of the arrow advances while being pressed toward the holder base 11 by the spring body 15, the slider lock claw is pressed against the ridge 14 to unlock, and then the bent piece 13 is moved to the slider. It contacts the front end and moves the slider backward as the cassette advances.

When the slider moves to the various positions, the contact between the protrusion 14 and the slider lock claw is released, and the slider position is locked again.

While maintaining such an engaged state between the half 3 and the holder 1, although not shown, the holder 1 is normally moved horizontally by a motor and an appropriate moving mechanism and then moved vertically, and when the holder 1 moves to the loading position, the lid is opened. The lid opens by the member and the tape is pulled out of the half 3 to start predetermined loading.

At the time of the vertical movement, as shown in FIG. 2a, the moving pin 23 comes into contact with the protrusion 4 and moves in the direction of the holder base 11 (rightward in the drawing) along with the movement of the holder 1. As a result of the movement pin 23 coming into contact with and pressing against the inner wall of the half pressing member 21 by moving the movement pin 23, the half pressing member 21 rotates in the direction of the holder base 11 (clockwise in the drawing).

Due to the rotation of the half pressing member 21, the half pressing member 21 comes into contact with the upper edge of the half 3 and presses it toward the holder base 11 (downward in the drawing), and the half is pressed and held by the holder base 11.

[Advantages of the Invention] According to the invention described above, since the front part and the rear part of the half are pressed and held toward the holder base during loading, the half can be prevented from rising and the loading can be prevented. Since the rear part is pressed at the stage of shifting to the state, the half insertion resistance to the holder does not increase, and the same insertion operation as in the conventional case can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view of the embodiment of the invention, FIGS. 2a and 2b are sectional views for explaining the operation of the embodiment of the invention, and FIG.
The figure is a perspective view of a conventional example. 3: Cassette half, 11: Holder stand, 15: Spring body, 2 ...
Pressing means, 21: cassette half pressing member, 23: moving pin,
4: Protrusion

Claims (1)

[Scope of utility model registration request] 1. A holder base (11) on which a cassette half (3) is mounted, and a front part of the cassette half (3) mounted on the holder base (11) is pressed toward the holder base (11). A spring body (15) and a means (2) for pressing the rear part of the cassette half (3) toward the holder base (11), the means (2) being provided on the upper edge of the cassette half (3). A cassette half pressing member (21) that abuts and presses the cassette half (3) in the holder base (11) direction, and abuts against the pressing member (21) to rotate the pressing member (21) in the pressing direction. A cassette comprising a moving pin (23) and a protrusion (4) for moving the moving pin (23) toward the cassette half pressing member (21) when the cassette holder (1) is moved vertically. Holder device.