JPH06282975A - Cap opening/closing device - Google Patents

Abstract

(57) [Abstract] [Purpose] To improve the external appearance when the lid is opened and prevent contact with parts inside the opening. [Constitution] As the cassette holder 6 is opened and rotated, the projection 9 provided at the rear end of the upper portion of the cassette holder 6 has a shield plate 1.
0, the shield plate 10 is rotated in the opening direction around the shaft 11 while being guided by the projection 9 when the rotation of the cassette holder 6 is stopped, the display surface 10a is displayed on the cassette tape 3. Upper end of opening 6a and opening 2
It is located between and and stops with the opening 2 closed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lid opening / closing device such as a cassette holder.

[0002]

2. Description of the Related Art Conventionally, there is a lid opening / closing device which pivotally supports a lid provided with a storage portion for storing a recording medium in a main body of an apparatus. An example of the opening / closing device for a cassette holder will be described below. To do.

In FIGS. 5 and 6, reference numeral 1 denotes an apparatus main body provided with an opening 2, and the opening 2 has a tape transport mechanism 4 for recording and reproducing data of a cassette tape (recording medium) 3. A recording / playback head 5 and the like are provided.

Reference numeral 6 is a storage portion 6 for storing the cassette tape 3.
A cassette holder (lid) provided with a is openably and closably attached to the device body 1 by shafts 7 provided on both side surfaces of the lower end portion, and a spring 8 inserted into the shaft 7 always opens in the opening direction. It is biased and held in a closed state by engagement with a locking means (not shown). When the cassette holder 6 is in the closed state, the front surface of the cassette holder 6 is flush with the front surface of the device body 1 to close the opening 2, and the storage portion 6a is held in the opening 2. Then, the tape transport mechanism 4 and the recording / reproducing head 5 record and reproduce the cassette tape 3.

When the locking means (not shown) is disengaged, the cassette holder 6 is rotated in the opening direction by the urging force of the spring 8, and the cassette tape 3 in the storage portion 6a becomes detachable. The arm portion of the cassette holder 6 comes into contact with the green of the opening 2 of the device body 1 to stop the opening rotation.

[0006]

However, in the above-mentioned conventional device, when the lid is in the open state, the opening of the main body of the device is opened, so that the mechanical portion in the opening is exposed and the appearance is poor. In addition, when the recording medium is taken out, the mechanical portion exposed by mistake is brought into contact with the mechanical portion, which causes a malfunction of the device.

Further, in the above-mentioned conventional apparatus, the explanation of the function of the device and the precautions are displayed on the surface of the lid body, but when the lid body is in the open state, the surface of the lid body becomes a downward slope with respect to the equipment body. Therefore, there is a problem that it is difficult to read the explanation of the function of the device and the cautions displayed on the lid surface.

It is an object of the present invention to provide a lid opening / closing device which shields the opening of the main body of the device when the lid is in the open state and which makes it easy to read the explanation of the function of the device and the display of cautions.

[0009]

According to the present invention, there is provided a recording medium storage portion for storing a recording medium, which is rotatably supported by a main body of an apparatus and is opened when the recording medium storage portion is in a closed state. A lid opening / closing device including a lid located therein is provided with a shielding member which is moved to an opening of an apparatus main body when the lid is opened.

Further, the lower end of the lid is pivotally supported on the main body of the apparatus, and when the lid is opened, the shielding member is located between the upper end of the lid and the opening.

[0011]

According to the above construction, the shield member is moved between the upper end of the lid and the opening in association with the opening operation of the lid composed of the recording medium storage portion, thereby shielding the opening of the device. . Therefore, the mechanical portion in the opening is not exposed when the lid is in the opened state, and the mechanical portion is not accidentally contacted when the recording medium is taken out.

[0012]

Embodiments of the present invention will be described in detail with reference to the drawings.

1 (a) and 1 (b) are side and perspective views showing a closed state of a cassette holder as a lid opening / closing device according to an embodiment of the present invention, and FIGS. 2 (a) and 2 (b). Is a side view and a perspective view showing the cassette holder in the middle of rotation, FIGS. 3A and 3B are side views and a perspective view showing the opened state of the cassette holder, and FIG. 4 is an opened state of the cassette holder. It is a perspective view shown. It should be noted that in FIG. 1 to FIG. 4, parts common to those in FIG. 5 and FIG.

In FIGS. 1 to 4, 9 is a protrusion provided on both side surfaces of the upper rear end of the cassette holder 6, and 10 is a shielding plate (shielding member) for closing the opening 2 of the device body 1 when the cassette holder 6 is opened. In addition, a shaft 11 provided on both side surfaces of the lower end portion is rotatably attached to the device body 1, and a spring 12 inserted into the shaft 11 is constantly biased upward.

The shielding plate 10 has a display surface 10a for displaying the explanation of the function of the device and precautions on the surface, and the cassette holder 6 is located below the display surface 10a.
Has a notch into which the upper end of is fitted, and flange portions 10b are provided on both sides of the notch.

The spring 12 has a weaker biasing force than the spring 8 for biasing the cassette holder 6, and one end thereof is fixed to the device body 1 by a projection 13 provided in the opening 2 of the device body 1.

Regarding the opening / closing operation of the cassette holder 6 having the above structure, the operation from the closed state to the open state will be described first.

When the cassette holder 6 is in the closed state (FIG. 1), the front surface of the cassette holder 6 is flush with the front surface of the device body 1 to close the opening 2 and to store the cassette tape 3 therein. The portion 6a is held in the opening 2, and the recording / reproducing of data is performed here by the tape transport mechanism 4, the recording / reproducing head 5, and the like. At this time, the shield plate 10 is held by the biasing force of the spring 12 so as to cover the upper portion of the storage portion 6a of the cassette tape 3.

Then, the engagement of the lock means (not shown) is released, and the bias of the spring 8 urges the cassette holder 6
When the cassette holder 6 is in the state of being rotated (FIG. 2), the projection 9 provided on the cassette holder 6 abuts the flange portion 10b of the shield plate 10, and the biasing force of the spring 12 is increased. Since it is weaker than the biasing force of the spring 8, the shield plate 6 rotates in the opening direction around the shaft 11 while being guided by the protrusion 9.

When the cassette tape 3 is detachable, the arms of the cassette holder 6 come into contact with the edges of the opening 2 of the device body 1 to stop the opening and rotation of the cassette holder 6. , The shield plate 10 is the display surface 1
The rotation stops when 0a is located between the upper end of the storage portion 6a and the opening 2.

Therefore, even when the cassette holder 6 is in the open state, the inside of the opening 2 is not exposed,
Further, the display surface 10a on which the explanation of the function of the device and the precautions are displayed is held at a position where it is easy to read.

Next, the operation from the open state to the closed state will be described.

When the front surface of the cassette holder 6 is pressed in the closing direction, the cassette holder 6 rotates in the closing direction around the shaft 7 against the spring 8. Along with this, the shield plate 10 is rotated about the shaft 11 in the closing direction while being guided by the protrusion 9 provided on the cassette holder 6 by the bias of the spring 12.

Then, the front surface of the cassette holder 6 and the front surface of the device body 1 are flush with each other, and the opening 2 is closed,
The closed state is achieved by engagement with the locking means (not shown).
At this time, the shield plate 10 is released from contact with the protrusion 9, and is held by the biasing force of the spring 12 so as to cover the upper portion of the storage portion 6a of the cassette tape 3.

In this embodiment, the cassette holder is used as the lid, but the lid is made up of the recording medium housing portion for housing the recording medium, and the mechanism for reproducing the recording medium is provided in the opening of the apparatus body. If provided, it is not limited to this.

Further, as the shielding member, there may be used one in which the film is wound around a drum and the drum is rotatably attached to the main body of the apparatus while the end portion of the film is attached to the upper end of the lid.

[0027]

As described above, according to the present invention, since the shielding member is positioned at the opening of the device body with the opening of the lid,
Since the inside of the opening is not exposed even when the lid is in the open state, the appearance is good, and when the recording medium is taken out, it may accidentally come into contact with the component located inside the opening. It is possible to prevent malfunction of the device caused by contact with the parts.

Further, by displaying the explanation of the function of the device and the precautions on the exposed outer surface of the shielding member, this display becomes easy to read when the lid is opened.

[Brief description of drawings]

FIG. 1 is a side view (a) and a perspective view (b) showing a closed state of a cassette holder as a lid opening / closing device according to an embodiment of the present invention.

FIG. 2 is a side view (a) and a perspective view (b) showing the cassette holder during rotation.

FIG. 3 is a side view (a) and a perspective view (b) showing an opened state of the cassette holder.

FIG. 4 is a perspective view showing an opened state of the cassette holder.

FIG. 5 is a side view (a) and a perspective view (b) showing a closed state of a cassette holder as a lid opening / closing device which is a conventional example.

FIG. 6 is a side view (a) and a perspective view (b) showing an opened state of the cassette holder.

[Explanation of symbols]

 1 Equipment main body 2 Opening 3 Cassette tape 4 Tape transport mechanism 5 Recording / playing head 6 Cassette holder 6a Storage part 7,11 Shaft 8,12 Spring 9,13 Protrusion 10 Shielding plate 10a Display surface 10b Flange part

Claims (2)

[Claims] 1. A lid, which comprises a recording medium storage portion for storing a recording medium, is rotatably and pivotally supported by the main body of the apparatus, and the recording medium storage portion is positioned at the opening of the main body of the apparatus when in the closed state. A lid opening / closing device comprising: a lid opening / closing device provided with a shielding member that is moved to an opening of the device body when the lid is opened. 2. The lid according to claim 1, wherein the lower end of the lid is pivotally supported on the main body of the device, and when the lid is opened, the shielding member is located between the upper end of the lid and the opening. Body opening and closing device.