JP3137116B2 - Loading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a loading device capable of moving a cassette from a playing position to a take-out position.

[0002]

2. Description of the Related Art In recent years, as audio equipment has been reduced in cost, made smaller and lighter, further improvement in operability and higher quality have been required.

[0003] Even in a device equipped with a cassette tape recorder, a cassette tape is placed on a tray in order to improve operability or quality when taking out the cassette tape, and the tray is reciprocated between a playing position and a discharging position by an electric motor. In addition, a mechanism that moves the cassette tape from the storage position of the tray to the removal position at the tray discharge position, or a cassette holder system that opens and closes the cassette holder by an electric motor even in the cassette holder method, and places the cassette tape in the cassette holder at the discharge position. For example, there is a mechanism provided with a mechanism for moving from a storage position to a removal position.

[0004]

However, the conventional loading apparatus as described above requires a large number of electric motors and related components, and has problems such as high cost, large size, and increased power consumption. Was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object to realize a compact and lightweight loading device with good operability at low cost without consuming power.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a loading device of the present invention holds a cassette, and holds a cassette playing position and a discharging position in a reciprocatingly rotatable cassette holder, and the cassette holder. A slide member having an engagement portion for engaging the cassette, the slide member being reciprocally slidable between a cassette storage position and a take-out position within the cassette holder, and one end fixed to the cassette holder and the other end being the slide A spring fixed to the member and constantly biasing the slide member toward the cassette removal position; and a spring held by the cassette holder and engaged with the cassette holder when the slide member is stored in the storage position from the cassette removal position. A lock lever, and a slide portion engaged with the lock lever when the cassette is stored. A release member having an engagement portion for releasing the holding of the cassette when the cassette is taken out, wherein the lock lever has an engagement portion for engaging the slide member, a spring portion for holding the engagement, and the release member. An engagement portion engageable with a member, wherein the release member releases the engagement of the slide member with the lock lever when the cassette holder rotates from the cassette removal position to the playing position direction. The cassette holder is configured to release the engagement of the slide member by the lock lever when the cassette holder rotates from the playing position to the discharging position, and the lock is released during the moving operation of the cassette from the removing position to the playing position. Release the engagement of the slide member engaged with the lever when rotating the cassette holder from the cassette playing position to the discharge position. The cassette is obtained by configured to retrieve a spring force.

Thus, when the cassette is moved from the discharge position to the playing position, the slide member holding the cassette in the cassette holder engages with the lock lever during the moving operation from the take-out position to the playing position. In this state, the cassette holder is rotated to the cassette playing position, and at this time, without releasing the engagement of the slide member by the lock lever, the engagement of the slide member by the lock lever is continued in the play position, During the rotation of the cassette holder from the playing position to the discharge position, the lock is released from the engagement of the slide member by the lock lever in the middle thereof, and the cassette is utilized by using a spring force for urging the slide member toward the removal position. By moving it from the storage position in the cassette holder to the removal position. So that the extruded from the cassette holder to the easy take-out position of the cassette in Ttohoruda discharge position.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. 1 and 2 show the cassette playing position of the loading device according to the embodiment of the present invention. FIG.
Is a side view from the direction A. FIG.

In FIG. 1, reference numeral 1 denotes a cassette holder. The cassette holder 1 has a spindle 1a held by a set body (not shown) and is rotatable about the spindle 1a. A reciprocating rotation operation is possible between the discharge positions. Reference numeral 2 denotes a slide plate, and the hook 2a of the slide plate 2 is held in the guide groove 1b of the cassette holder 1 and is slidable in the direction of arrow B. Also,
An engagement shaft 2b for engaging with the cassette tape 3 is formed on the slide plate 2, and the engagement shaft 2b is configured to be able to penetrate through the through hole 1c of the cassette holder 1 and engage with the end 3a of the cassette tape. ing. Reference numeral 4 denotes a slide spring. One end of the slide spring 4 is a spring hook 1d of the cassette holder 1.
The other end is fixed to a spring hook 2c of the slide plate 2, and constantly biases the slide plate 2 in the direction of arrow B.
Reference numeral 5 denotes a lock lever, and the lock lever 5 is rotatable about a support shaft 1e on the cassette holder 1. The engaging hook 5a formed on the lock lever 5 is engaged with the engaging portion 2d of the slide plate 2, and holds the slide plate 2 at the cassette tape playing position. The spring portion 5b of the lock lever 5 is connected to the projection 1f of the cassette holder 1.
, A spring force is generated, and the lock lever 5 is constantly urged to rotate clockwise. Reference numeral 6 denotes a release member. The release member 6 is fixed and held on the substrate 11 of the cassette mechanism, and has a spring portion 6a that can be engaged with the engagement portion 5c of the lock lever 5. Reference numeral 7 denotes an open spring.
The other end is fixed to a set body (not shown),
The cassette holder 1 is constantly urged to rotate toward the cassette tape discharge position (clockwise). Reference numeral 8 denotes an eject rod. The eject rod 8 is slidable on the substrate 11 of the cassette mechanism, the engaging hook 8a engages with the engaging portion 1g of the cassette holder 1, and moves the cassette holder 1 to the cassette tape playing position. Hold in state. Reference numeral 9 denotes an eject rod return spring. The eject rod return spring 9 has one end fixed to the eject rod 8 and the other end fixed to the substrate 11 of the cassette mechanism, and constantly urges the eject rod 8 in the direction of arrow C. Reference numeral 10 denotes a reel base, and the reel base 10 is rotatably held on a substrate 11 of a cassette mechanism. 1k is a decorative plate, and a decorative plate 1
k is fixedly held by the cassette holder 1.

The operation of the cassette loading apparatus having the above-described configuration to move from the cassette tape playing position state to the discharge position state will be described below.

When the eject rod 8 is operated from the cassette tape playing position shown in FIG. 2 and is slid in the direction of arrow B against the urging force of the eject rod return spring 9, the engaging hook 8a of the eject rod 8 and the cassette The engagement of the engaging portion 1g of the holder 1 is released. The state at this time is shown in FIG. When the engagement between the engagement hook 8a and the engagement portion 1g is released, the cassette holder 1 starts rotating around the support shaft 1a toward the cassette tape discharge position (clockwise) by the urging force of the open spring 7, The eject rod 8 slides in the direction of arrow C by the urging force of the eject rod return spring 9, and returns to the engageable position. Cassette holder 1
During rotation of the lock lever 5 toward the cassette tape discharge position, the engagement portion 5c of the lock lever 5 comes into contact with the spring portion 6a of the release member 6. The state at this time is shown in FIG. When the cassette holder 1 further rotates, the engaging portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 are in contact with each other, and the pressing force on the spring portion 6a by the engaging portion 5c causes the deformation of the spring portion 6a. Therefore, the spring portion 6a does not bend, and the lock lever 5 does not bend in the counterclockwise direction against the urging force of the spring portion 5b about the support shaft 1e of the cassette holder 1, ie, the engagement of the lock lever 5 Hook portion 5a and engaging portion 2d of slide plate 2
Starts to rotate in a direction in which the engagement with is released. The state at this time is shown in FIG. When the cassette holder 1 further rotates toward the cassette tape discharge position, the lock lever 5 rotates counterclockwise to release the engagement between the engaging hook 5a and the engaging portion 2d of the slide plate 2. Become. FIG. 6 shows the state at this time. When the engagement between the engagement hook portion 5a and the engagement portion 2d is released, the slide plate 2 moves along the guide groove 1b of the cassette holder in which the hook portion 2a is held by the urging force of the slide spring 4. It slides in the direction D and moves to the cassette tape take-out position. That is, the cassette tape 3 engaged with the engagement shaft 2b of the slide plate 2 at the end 3a moves from the storage position in the cassette holder to the removal position. Furthermore, cassette holder 1
Is rotated, the contact between the engaging portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 is released, and the lock lever 5 is rotated clockwise by the urging force of the spring portion 5b to be engageable. Return to position. FIG. 7 shows the state at this time. Thereafter, the cassette holder 1 further rotates and reaches the cassette tape discharge position. 8 and 9 show the cassette tape discharge position state, FIG. 8 is a plan view thereof, and FIG. 9 is a side view from the direction A. As shown in FIG. 8 and FIG.
Is moved by the slide plate 2 to the take-out position, and has a very easy-to-take-out and good operability configuration.

Next, the operation of moving from the cassette tape discharge position to the playing position will be described.

When the cassette tape 3 is operated and moved in the direction of arrow E from the take-out position in the cassette tape discharge position state shown in FIG. 9, the slide plate 2 engaged with the end 3a of the cassette tape 3 at the engagement shaft 2b. Slides in the direction of arrow E against the biasing force of the slide spring 4. Since the engaging portion 2d of the slide plate 2 abuts and presses the engaging inclined portion 5d of the lock lever 5 during sliding, the lock lever 5
The lock lever 5 rotates counterclockwise about the support shaft 1e of the cassette holder 1 against the urging force of the spring portion 5b. When the cassette tape 3 is further moved in the direction of arrow E, the slide plate 2 also slides in the direction of arrow E, the engaging portion 2d of the slide plate 2 passes through the engaging inclined portion 5d of the lock lever 5, and the lock lever 5 The biasing force of the spring portion 5b rotates clockwise, the engaging portion 2d engages with the engaging hook portion 5a, and the slide plate 2 is held at the cassette tape storage position. In this state, the cassette holder 1 is pressed via the decorative plate 1k, and is rotated counterclockwise against the biasing force of the open spring 7, that is, about the support shaft 1a from the cassette tape discharging position to the playing position. Then, the engaging portion 5c of the lock lever 5 comes into contact with the spring portion 6a of the release member 6. The state at this time is shown in FIG. When the cassette holder 1 is further rotated in the direction of the cassette tape playing position, the engaging portion 5c of the lock lever 5 presses the spring portion 6a of the release member 6, and the lock lever 5 receives clockwise turning power, Since the rotation is prevented by the second engaging portion 2d, the spring portion 6a of the release member 6 starts to be deformed clockwise. The state at this time is shown in FIG. When the cassette holder 1 is further rotated, the engagement between the engagement portion 5c of the lock lever 5 and the spring portion 6a of the release member 6 is released,
The spring portion 6a rotates counterclockwise and returns to an undeformed state,
The state shown in FIG. 4 is obtained. When the rotation of the cassette holder 1 is further continued, the engaging portion 1g of the cassette holder 1 comes into contact with and presses the engaging inclined portion 8b of the eject rod 8, so that the eject rod 8 is biased by the eject rod return spring 9. And slides in the direction of arrow B. When the cassette holder 1 is further rotated, the engaging portion 1g of the cassette holder 1 passes through the engaging inclined portion 8b of the eject rod 8, and the eject rod 8
The engaging portion 1g is engaged with the engaging hook portion 8a by the urging force of (2) to hold the cassette holder 1 at the cassette tape playing position shown in FIG.

As described above, according to the present embodiment, when the cassette is held, the cassette is easily held at the cassette playing position in the holder by inserting the cassette into the cassette holder and holding the slider on the lock lever. When the cassette holder moves from the play position to the discharge position, the slide plate is slid by the lock lever in the play position. In order to release the engagement of the plate and move the cassette tape to the position where the cassette tape can be easily removed at the cassette tape discharge position of the cassette holder, a cassette loading device with excellent operability is small in size, low in cost and consumes power. It can be easily realized without any problem.

[0015]

As described above, according to the present invention, when holding the cassette, the cassette is easily held at the cassette playing position in the holder by inserting the cassette into the cassette holder and holding the slider on the lock lever. The slide member can be rotated to the playing position. In the playing position, the lock member is kept engaged and held by the lock lever. When the cassette holder moves from the playing position to the ejection position, the slide member is moved by the lock lever. Can be released, and the cassette tape can be moved to the position where the cassette tape can be easily removed at the cassette tape discharge position of the cassette holder. Can be realized without consuming.

[Brief description of the drawings]

FIG. 1 is a plan view showing a cassette holder playing position of a cassette loading device according to a first embodiment of the present invention.

FIG. 2 is a side view from the direction of arrow A showing a cassette holder playing position of the cassette loading device according to the first embodiment of the present invention;

FIG. 3 is a configuration diagram showing a disengaged state between a cassette holder and an eject rod.

FIG. 4 is a configuration diagram showing a rotation start state of a lock lever.

FIG. 5 is a configuration diagram showing the lock lever in the middle of rotation.

FIG. 6 is a configuration diagram showing a disengaged state between a cassette holder and a slide member.

FIG. 7 is a configuration diagram showing a return state of a lock lever and a movement state of a cassette tape to a take-out position;

FIG. 8 is a plan view showing a cassette holder discharge position of the cassette loading device according to the first embodiment of the present invention.

FIG. 9 is a side view of the cassette loading device according to the first embodiment of the present invention as viewed from the direction of arrow A, showing a cassette holder discharge position.

FIG. 10 is a configuration diagram showing a state in which a spring member deformation of the release member is started.

FIG. 11 is a configuration diagram showing a state in which a spring member of the release member is being deformed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cassette holder 2 Slide plate 3 Cassette tape 4 Slide spring 5 Lock lever 6 Release member 7 Open spring 8 Eject rod 9 Eject rod return spring 10 Reel base 11 Board of cassette mechanism

Claims (1)

(57) [Claims] A cassette holder for holding a cassette and reciprocatingly rotatable between a cassette playing position and a discharge position; an engaging portion held by the cassette holder to engage the cassette; A slide member capable of reciprocating sliding movement between a cassette storage position and a take-out position, one end of which is fixed to the cassette holder, and the other end of which is fixed to the slide member to constantly bias the slide member toward the cassette take-out position. A spring, a lock lever held by the cassette holder and engaged with and held by the cassette holder when the slide member is stored in the storage position from the cassette removal position; and a slide member engaged by the lock lever when the cassette is stored. Release member having an engagement portion for releasing the engagement holding when the cassette is taken out The lock lever has an engagement portion that engages with a slide member, a spring portion for holding the engagement, and an engagement portion that can be engaged with the release member. When the cassette holder rotates from the cassette removal position to the playing position, the slide member does not release the engagement with the lock lever, and the cassette holder locks during the rotating operation from the playing position to the discharging position. A lever is configured to release the engagement of the slide member, and the slide holder engaged with the lock lever during the movement operation from the take-out position of the cassette to the playing position is engaged with the cassette holder. The cassette is released by a spring force when being rotated from the playing position to the discharging position, and is taken out by a spring force. Loading device.