专利摘要:
Disclosed is a cassette tape loading apparatus. The disclosed cassette tape loading apparatus includes: a side frame having a guide groove formed in a predetermined shape and installed to face each other; A cassette holder assembly fixed to both sides of the boss holder to be moved along the guide groove, the cassette holder assembly having a cassette tape mounting portion; A rack housing in which a tooth of a predetermined gear is molded and driven back and forth to enable the transfer of the boss holder; And a damping means installed in the side frame and the rack housing to damp the transfer force when transferring the boss holder, and compressing the boss holder when the boss holder is seated in the guide groove. According to the present invention, by reducing the number of parts as a simple design of the damping means has the advantage of improving the assembly performance and reduce the defects due to the installation of the parts.
公开号:KR19990056380A
申请号:KR1019970076375
申请日:1997-12-29
公开日:1999-07-15
发明作者:설영윤
申请人:윤종용;삼성전자 주식회사;
IPC主号:
专利说明:

Cassette Tape Loading Device
The present invention relates to a cassette tape loading apparatus of a tape recorder, and more particularly, to a cassette tape loading apparatus for loading and unloading a cassette tape to be detached from the tape recorder.
Generally, a tape recorder employing a magnetic tape as a medium for recording and / or playing back image information, such as a VCR or a camcorder, is provided with a cassette tape loading device for loading and unloading the magnetic tape to be detachable from the tape recorder. .
1A-1B schematically show the main parts of a cassette tape loading apparatus according to the prior art.
Referring to each of the drawings, a cassette tape loading apparatus is generally not shown in the drawings, but a cassette holder assembly for guiding when the cassette tape is detached from a tape recorder, and an upper guide chassis are installed above the cassette holder assembly. A predetermined opening is formed so that the cassette tape can pass. Side frame assemblies are provided on the left and right sides of the cassette holder assembly, respectively, which support the cassette holder assembly and the upper guide chassis and are provided with loading means for lowering the cassette tape so that the cassette tape can be loaded toward the head drum for playback and recording. It is done.
The loading means provided in the side frame assembly is provided with a rack housing 11 having a first rack 11a and a driving gear 12 engaged with the first rack 11a. In addition, a side chassis 13 is installed at a rear surface of the rack housing 11, a guide groove 13a having a predetermined shape is formed at the side chassis 13, and the cassette holder assembly is formed at the guide groove 13a. The boss holder 14 provided in the is inserted. A damping lever 15 is installed at the side chassis 13 to one side of the guide groove 13a, and the damping lever spring 16 is provided at the damping lever 15 so that the damping lever 15 can be elastically biased. This is installed. In addition, a second rack (11b) is formed on one side of the rack housing 11, the second rack (11b) is engaged with a portion of the arm 17, and on one side of the arm (17) this arm ( The arm spring 18 which catches 17 is provided.
In the cassette tape loading device configured as described above, when the first rack 11a and the driving gear 12 are driven while the cassette tape is held, the cassette holder assembly moves horizontally to the rear by receiving this power, and then vertically Descend. That is, in the initial state as shown in Figure 1a, the movement of the cassette holder assembly is the boss holder 14 passes through the guide groove (13a) in accordance with the movement of the first rack (11a) and the driving gear (12) When the damping lever 15 reaches the position, a damping action is generated by the tension of the damping lever spring 16.
In addition, as shown in FIG. 1B, in the state where the boss holder 14 is pressed into the guide groove 13a, the arm spring 18 installed in the arm 17 presses the boss holder 14 so as to press the pressing force or the vertical force. Generate. When the boss holder 14 descends along the guide groove 13a in the section in which the cassette holder assembly 11 is vertically lowered, the boss holder 14 receives a high load and the damping. The lever 15 relieves this load. Thus, this loading means allows the boss holder 14 to be seated safely with minimal load at the end point.
In this way, the damping lever 15 and the damping lever spring 16 is a component that must be mounted on the loading means, and the arm spring 18 installed on the arm 17 causes a defect due to space limitation. Let's do it. In addition, a large stroke is required at the time of crimping between the rack housing 11 and the arm 17, which is a limitation in designing other components. For this reason, the number of parts of the side frame assembly is increased, the assembly is complicated, and thus the price is high. In addition, the damping lever 15 and the damping lever spring 16 require a great care when assembling the parts with a lot of defects.
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cassette tape loading apparatus which can improve assembly performance and reduce defects due to component installation by reducing the number of components as a simple design of the damping means. .
1a to 1b schematically show the main part of the cassette tape loading apparatus according to the prior art,
2a to 2b schematically show the main part of the cassette tape loading apparatus according to the present invention.
<Description of the symbols for the main parts of the drawings>
21. Rack Housing 21a. First rack
21b. 2nd Rack 22. Driving Gear
23. Side chassis 23a. Guide home
24. Boss Holder 25. Torsion Spring
26. Pressing protrusion 27. Screw member
28. Arm
Cassette tape loading apparatus of the present invention for achieving the above object, the guide groove is formed in a predetermined shape, the side frame and installed to face each other; A cassette holder assembly fixed to both sides of the boss holder to be moved along the guide groove, the cassette holder assembly having a cassette tape mounting portion; A rack housing in which a tooth of a predetermined gear is molded and driven back and forth to enable the transfer of the boss holder; And a damping means installed in the side frame and the rack housing to damp the transfer force when transferring the boss holder, and compressing the boss holder when the boss holder is seated in the guide groove.
In the present invention, the damping means, and the torsion spring installed in the side frame; A fixing member configured to fix the torsion spring to the side frame; It is preferable to include a; is installed in the rack housing, the pressing protrusion for pressing the end of the torsion spring to press the boss holder.
In the present invention, the portion of the torsion spring is in contact with the boss holder is made of a round shape, the fixing member preferably comprises a screw member formed with a screw portion on the shaft to be fixed to the side frame.
In the present invention, it is preferable that the pressing protrusion is provided in the rack housing, protrudes in contact with the torsion spring, and is integrally formed with the rack housing.
In the present invention, it is preferable to further include an arm installed in the side frame to guide the boss holder to be transported along the guide groove.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
2a to 2b schematically show the main part of the cassette tape loading apparatus according to the present invention.
Referring to the drawings, first of all, the cassette tape loading apparatus according to the present invention, although not shown in the drawings, the cassette holder assembly, the upper guide chassis installed on the cassette holder assembly, the cassette holder assembly and the upper guide chassis Are respectively installed on the side to support the cassette holder assembly and the upper guide chassis, and each side frame assembly is provided with a loading means for lowering the cassette tape.
The side frame assembly provided with the loading means is provided with a rack housing 21 having a first rack 21a and a driving gear 22 that meshes with the first rack 21a. A side chassis 23 is installed at the rear of the rack housing 21, and a guide groove 23a is formed at the side chassis 23 to allow the cassette holder assembly to move back and forth and the lifting movement. The boss holder 24 is provided at 23a at both ends of the cassette holder assembly to define a transfer section along the guide groove 23a.
In addition, a damping means is provided in the side chassis 23 in a section in which the boss holder 24 moves downward, that is, in the vertical direction of the guide groove 23a. The damping means is provided with a torsion spring (25), a fixing member for supporting the torsion spring (25) to fix the torsion spring (25) is installed, the end of the torsion spring (25) The pressing protrusion 26 is formed to press the spring 25 to the opposite side. The fixing member may be installed by a screw member 27 or the like in which a screw is formed on the shaft so that the torsion spring 25 may be fixed to the side chassis 23, and the pressing protrusion 26 may be formed in the rack housing 21. It is preferably molded at a rear surface, that is, a surface which is in contact with the side chassis 23 and in a position where the torsion spring 25 can be contacted. That is, the pressing protrusion 26 is formed to protrude toward the contact with the torsion spring 25 and integrally formed with the rack housing 21.
In addition, an arm 28 is provided on one side of the rack housing 21 to be rotatably engaged with the second rack 21b. The arm 28 guides the transfer of the boss holder 24. In particular, since the arm 28 is installed in the torsion spring 25, there is no need to install a separate arm spring 18 (see FIG. 1). In addition, the torsion spring 25 forms a round shape at a portion located in the guide groove 23a so that the boss holder 24 can be sufficiently buffered while being lowered and transferred. In addition, an end portion of the torsion spring 25 pressurized to the pressurizing protrusion 26 so that the torsion spring 25 may compress the boss holder 24 should have a sufficient length.
Referring to the operation of the cassette tape loading apparatus according to the present invention configured as described above are as follows.
When the driving gear 22 rotates, when the boss holder 24 comes to the position B according to the driving of the arm 28 at the position A of the boss holder 24, the side chassis 23 Is buffered by the torsion spring 25 provided at Subsequently, when the arm 28 lowers the boss holder 24 to the final seating position (C), the torsion spring 25 then presses the boss holder 24 again. At this time, the end of the torsion spring 25 is pushed by the pressing protrusion 26 to generate a pressing force or a vertical force to complete the operation. In addition, since the torsion spring 25 compresses the boss holder 24 in this way, the arm does not need to have a separate arm spring.
The cassette tape loading apparatus according to the present invention as described above has the following effects.
There is no need for a separate damping structure so that the boss holder can be gently pressed into the guide groove, and the stroke of the crimp section for mounting the boss holder in the final position is easy, so that the design of the other part is easy.
In addition, the simple design of the damping means and the elimination of parts such as the arm spring can improve the assembly performance and reduce the defects caused by the installation of the parts, thereby reducing the cost.
Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments thereof are possible.
Therefore, the true scope of protection of the present invention should be defined only by the appended claims.
权利要求:
Claims (7)
[1" claim-type="Currently amended] A side frame having a guide groove formed in a predetermined shape and installed to face each other;
A cassette holder assembly fixed to both sides of the boss holder to be moved along the guide groove, the cassette holder assembly having a cassette tape mounting portion;
A rack housing in which a tooth of a predetermined gear is molded and driven back and forth to enable the transfer of the boss holder;
And a damping means installed in the side frame and the rack housing to damp the transfer force when transferring the boss holder, and compressing the boss holder when the boss holder is seated in the guide groove. .
[2" claim-type="Currently amended] The method of claim 1, wherein the damping means,
A torsion spring mounted to the side frame; A fixing member configured to fix the torsion spring to the side frame; And a pressing protrusion installed on the rack housing to press the end of the torsion spring to press the boss holder.
[3" claim-type="Currently amended] The method of claim 2,
The torsion spring, the cassette tape loading apparatus, characterized in that the portion in contact with the boss holder made of a round shape.
[4" claim-type="Currently amended] The method of claim 2,
The fixing member is a cassette tape loading apparatus, characterized in that it comprises a screw member is formed on the shaft portion to be fixed to the side frame.
[5" claim-type="Currently amended] The method of claim 2,
The pressing protrusion, the cassette tape loading apparatus, characterized in that provided in the rack housing.
[6" claim-type="Currently amended] The method of claim 5,
The pressurizing protrusion is a cassette tape loading device, characterized in that protruding toward the contact with the torsion spring, integrally formed with the rack housing.
[7" claim-type="Currently amended] The method of claim 1,
And an arm installed at the side frame to guide the boss holder to be transported along the guide groove.
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同族专利:
公开号 | 公开日
KR100243167B1|2000-02-01|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
法律状态:
1997-12-29|Application filed by 윤종용, 삼성전자 주식회사
1997-12-29|Priority to KR1019970076375A
1999-07-15|Publication of KR19990056380A
2000-02-01|Application granted
2000-02-01|Publication of KR100243167B1
优先权:
申请号 | 申请日 | 专利标题
KR1019970076375A|KR100243167B1|1997-12-29|1997-12-29|Loading apparatus for a cassette tape|
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