JPH0636508Y2 - Operation lever device for tape traveling device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an operation lever device for a tape running device used for setting a predetermined mode related to tape running in the tape running device.

Conventionally, in a tape running device operation lever device used to set a predetermined mode related to tape running in a tape running device, an operation lever provided slidably with respect to a substrate is It is arranged on the substrate such that the guide pin fixed on the substrate is inserted into the formed long hole. A screw having a T-shaped cross section is screwed onto the top surface of the guide pin to prevent the guide pin from being lifted from the board. As a result, so-called “flapping” is prevented when the operating lever is operated. ing.

The conventional operation lever device for a tape running device configured as described above has a large number of constituent members and a large number of manufacturing steps, and therefore is complicated to assemble, which is unsuitable for automatic assembly and hinders reduction of manufacturing cost. .

Further, in the conventional operation lever device for a tape running device, various levers provided on the substrate other than the operation lever are arranged on the substrate with respect to the operation lever or overlapping each other. No consideration was given to thinning.

The present invention has been made in view of the above circumstances, and an object of the present invention is to reduce the number of parts, easy to assemble, and reduce the manufacturing cost. For example, it is incorporated in an electric device such as a tape recorder. In this case, it is an object of the present invention to provide an operation lever device for a tape running device, which can contribute to the thinning of electric equipment.

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an operating lever device according to an embodiment of the present invention. It is assumed that this operation lever device is provided in a tape recorder using a so-called micro cassette. As shown in FIG. 1, the operating lever device includes a flat plate-shaped first substrate 10. In this embodiment, the first substrate 10 is made of metal. Therefore, the first substrate 10 is opaque. In front of the first substrate 10, the first
As shown in the drawing, a flat plate-shaped second substrate 12 is arranged apart from the first substrate 10 and provided in parallel to the first substrate 10. In this embodiment, the second substrate 12 is made of transparent synthetic resin, and the second substrate 12 is the first substrate.
It is fixed to 10 with screws.

Between the first substrate 10 and the second substrate 12, a plurality of operating levers 14 made of a flat plate-shaped metal are arranged. In this embodiment, the plurality of operating levers 14 are composed of first to fifth operating levers 16, 18, 20, 22, 24. As shown in FIG. 1, each of the first to fifth operating levers 16, 18, 20, 22, 24 has an elongated shape extending from the lower side to the upper side in substantially parallel to each other. The lower ends of the first to fifth operating levers 16, 18, 20, 22, 24 project from the lower edges of the first substrate 10 and the second substrate 12 to the external space, as shown in FIG. And the lower end is arranged in one plane. At this time, the first to fifth operation levers 1
The positions of 6,18,20,22,24 are the first positions.

A plurality of guide protrusions 26 are formed on the front surface of the first substrate 10. In this embodiment, the plurality of guide protrusions 26 are formed by extrusion processing. The cost of forming the plurality of guide protrusions 26 by extrusion is
Is cheaper than the cost of implanting the first substrate 10 on the front surface.

As shown in FIG. 1, a part of the plurality of guide protrusions 26 is in contact with the vertically extending edges of the first to fifth operating levers 16, 18, 20, 22, 24, respectively. Therefore, the first to fifth
The respective operation levers 16, 18, 20, 22, 24 are guided by the guide protrusions 26 in the vertical movement by sliding the respective edges thereof in contact with the guide protrusions 26.

At the lower end of the first operation lever 16, as shown in FIG.
A long hole 28 extending vertically is formed. A stopper 30 formed on the first substrate 10 is in contact with the upper end of the long hole 28. A biasing means 32 is arranged in the long hole 28. In this embodiment, the biasing means 32 is composed of a compression coil spring, the upper end of the biasing means 32 is in contact with the lower edge of the first substrate 10, and the lower end of the biasing means 32 is the first The lower end of the elongated hole 28 of the operating lever 16 is in contact with. Biasing means 32
Urges the first operating lever 16 to the first position as shown in FIG. The diameter of the biasing means 32 is only slightly larger than the sum of the thickness of the first substrate 10 and the thickness of the first operating lever 16. Therefore, the biasing means 32 only slightly projects from the rear surface of the first substrate 10 to the external space.

At the upper end of the first operating lever 16, as shown in FIG.
A first engaging portion 34 protruding leftward is formed. First
The intersection of the upper end surface and the left side surface of the engaging portion 34 is chamfered to form a first inclined surface 36.

A movement restricting member 38 protruding leftward is formed at a substantially intermediate position in the vertical direction on the left side surface of the second operation lever 16.
The lower end surface of the movement restricting member 38 is in contact with the guide protrusion 26 as shown in FIG. As shown in FIG. 1, an elongated hole 40 extending in the vertical direction is formed at the lower end of the second operating lever 18. A biasing means 42 is arranged in the long hole 40. In this embodiment, the biasing means 42 is composed of a compression coil spring, the upper end of the biasing means 42 is in contact with the lower edge of the first substrate 10, and the lower end of the biasing means 42 is the second edge. Operating lever
It abuts the lower ends of the 18 long holes 40. The biasing means 42 is the second
Of the operating lever 18 is biased to the first position. Biasing means
The diameter of 42 is the thickness of the first substrate 10 and the second operating lever 18
It is only slightly larger than the sum of the thickness and. Therefore, the biasing means 42 only slightly projects from the rear surface of the first substrate 10 to the external space.

At the upper end of the second operation lever 18, as shown in FIG.
A second engaging portion 44 protruding leftward is formed. Second
The intersection of the upper end surface and the left side surface of the engaging portion 44 is chamfered to form a second inclined surface 46.

An operation arm portion 48 extending rightward is formed at a substantially central portion of the left side surface of the second operation lever 18 in the vertical direction.

Between the right side surface of the second operation lever 18 and the left side surface of the third operation lever 20, as shown in FIG. 1, there is provided a first rotary lever 50 as an engaging lever for performing a predetermined rotation operation. Are arranged. The first rotary lever 50 has one end pivotally supported on the front surface of the first substrate 10 at a position lower than the operation arm portion 48 of the second operation lever 18, and the other end of the second operation lever 18. It is in contact with the upper end surface of the operation arm portion 48. The position of the first rotary lever 50 at this time is the first position of the first rotary lever 50. The first rotating lever 50 is, as shown in FIG. 1, an urging means arranged between the first substrate 10 and the second substrate 12.
It is biased to the first position by 52. In this embodiment, the biasing means 52 is composed of a torsion coil spring. The torsion coil spring has a smaller dimension in the front-back direction in FIG. 1 than the compression coil spring.

As shown in FIG. 1, a capstan 54 is rotatably provided on the first substrate 10 at the center of rotation of the first rotary lever 50 so as to be rotatable. The capstan 54 is rotated by an electric motor (not shown). A first gear 56 is concentrically fixed to the capstan 54 behind the first substrate 10.
A shaft extending rearward is fixed to a substantially middle portion of the first rotary lever 50. The axis is capstan
54 is inserted into an elongated hole 58 formed in the first substrate 10 having a partial arc shape drawn with the center of rotation as the center of rotation, and the rear end of the shaft has a first gear 56 meshed with the first gear 56. Two gears 60 are rotatably mounted.

The first board 10 includes a right side surface of the second operation lever 18 and a third side surface of the third operation lever 18.
Between the left side surface of the operating lever 20 and the second operating lever
As shown in FIG. 1, a first reel shaft 62 is rotatably protrudingly provided near the upper ends of the 18 and third operating levers 20. The front end of the first reel shaft 62 penetrates the second substrate 12 and is located in front of the front surface of the second substrate 12. At the rear end of the first reel shaft 62, as shown in FIG. 1, a third gear 64 is concentrically fixed behind the first substrate 10, and the third gear 64 is It meshes with the second gear 60.
At the upper end of the third operating lever 20, as shown in FIG.
A third engaging portion 66 that protrudes leftward is formed. Third
The intersection of the upper end surface and the left side surface of the engaging portion 66 is chamfered to form a third inclined surface 68. The lower end surface of the third engaging portion 66 is in contact with the guide protrusion 26 as shown in FIG. As shown in FIG. 1, the third operating lever 20 is formed with an elongated hole 70 extending in the vertical direction. In the portion of the first substrate 10 facing the long hole 70 and the portion of the second substrate 12 facing the long hole 70, long holes having the same shape and substantially the same size as the long holes 70 are also formed. The long hole 70 of the third operating lever 20 and the first
The biasing means 72 is provided in the elongated holes of the substrate 10 and the second substrate 12 of
Are arranged. In this embodiment, the biasing means 72 is composed of a compression coil spring, the upper end of the biasing means 72 is in contact with the upper end of the elongated hole of the first substrate 10, and the lower end of the biasing means 72. Is in contact with the lower end of the elongated hole 70 of the third operating lever 20. The biasing means 72 biases the third operating lever 20 to the first position. The diameter of the biasing means 72 is the first
It is only slightly larger than the sum of the thickness of the substrate 10 and the thickness of the third operating lever 20. Therefore, the biasing means 72
Only slightly project from the rear surface of the first substrate 10 to the external space. As shown in FIG. 1, on the right side surface of the third operating lever 20, there is formed a support base 73 extending rightward at a position approximately 1/4 from below in the vertical direction. As shown in FIG. 1, a magnetic head 74 is arranged in front of the portion of the second substrate 12 corresponding to the front surface of the support base 73. The magnetic head 74 is
Long hole formed in the second substrate 12 and extending in the vertical direction
It is fixed to the front surface of the third operating lever 20 by the leg inserted through 76. On the right side of the third operating lever 20,
As shown in FIG. 1, an engagement small protrusion 78 extending rightward is formed at a position approximately 3/4 from below in the vertical direction.

The fourth operating lever 22 has a crank shape as shown in FIG. The support base 73 of the third operating lever 20 is located in the lower end region of the recess of the fourth operating lever 22. Fourth
The lower end surface of the upper left and right extension of the operating lever 22 of
In contact with 26. The upper end surface of the left and right extending portions below the fourth operating lever 22 is in contact with the lower end surface of the support base 73 of the third operating lever 20. At the upper end of the fourth operating lever 22,
As shown in FIG. 1, a fourth engaging portion 80 protruding leftward is formed. The intersection of the upper end surface and the left side surface of the fourth engaging portion 80 is chamfered to form a fourth inclined surface 82.

As shown in FIG. 1, a second rotary lever 84 is arranged between the upper end portion of the right side surface of the third operating lever 20 and the upper end portion of the left side surface of the fourth operating lever 20. The second rotating lever 84 is pivotally supported on the first substrate 10 at the substantially center thereof and is rotatable along the front surface of the first substrate 10. Second rotation lever as an engagement lever that performs a predetermined rotation operation
One end of 84 is located above the upper end surface of the third operating lever 20, as shown in FIG. The left side surface of the other end of the second rotary lever 84 is in contact with the right side surface of the engaging small protrusion 78 of the third operating lever 20, as shown in FIG. Second
On the left side surface of the rotating lever 84, an engaged recess 85 is formed between the rotation center of the second rotating lever 84 and the other end.
The position of the second rotary lever 84 at this time is set to the second rotary lever.
The first position of 84. As shown in FIG. 1, the second rotating lever 84 is biased to the first position by the biasing means 86 arranged between the first substrate 10 and the second substrate 12. In this embodiment, the biasing means 86 is composed of a torsion coil spring. The torsion coil spring has a smaller dimension in the front-back direction in FIG. 1 than the compression coil spring.

On the first substrate 10, between the second rotary lever 84 and the fourth operating lever 22 and at a portion near the upper end of the fourth operating lever 22, as shown in FIG. A shaft 88 is rotatably projected. The front end of the second reel shaft 88 penetrates the second substrate 12 and is located in front of the front of the second substrate 12. At the rear end of the second reel shaft 88, as shown in FIG.
A fourth gear 90 is concentrically fixed behind the first substrate 10. On the rear surface of the first substrate 10, there is a second reel shaft.
A fifth gear 92 is rotatably mounted below the fourth gear 90 of 88, and the fifth gear 92 meshes with the fourth gear 90. The fifth gear 92 is located within the movement locus of the gear 60 of Ai 2 which moves by the clockwise rotation of the first rotary lever 50.

At the lower end of the fourth operation lever 22, as shown in FIG.
A long hole 94 extending in the vertical direction is formed. A biasing means 96 is arranged in the long hole 94. In this embodiment, the urging means 96 is composed of a compression coil spring, the upper end of the urging means 96 is in contact with the lower edge of the first substrate 10, and the lower end of the urging means 96 is the fourth operation member. It abuts the lower end of the long hole 94 of the lever 22. The biasing means 96 moves the fourth operation lever 22 to the first position.
It is biased to the first position as shown. The diameter of the biasing means 96 is only slightly larger than the sum of the thickness of the first substrate 10 and the thickness of the fourth operating lever 22. Therefore,
The biasing means 96 only slightly projects from the rear surface of the first substrate 10 to the external space.

On the left side surface of the fifth operating lever 24, as shown in FIG.
A notch 98 extending in the vertical direction is formed. The upper end surface of the notch 98 is in contact with the guide protrusion 26. The first board 10 has a long hole 100 extending upward from a portion of the first board 10 facing the upper end surface of the fifth operating lever 24.
Are formed. A portion of the second substrate 12 facing the elongated hole 100 is cut out as shown in FIG. Long hole 10
At 0, as shown in FIG. 1, the urging means 102 is arranged. In this embodiment, the biasing means 102 is composed of a compression coil spring, one end of the biasing means 102 is in contact with the upper end surface of the elongated hole 100, and the other end of the biasing means 102 is the fifth operation. It is in contact with the upper end surface of the lever 24. The biasing means 102 biases the fifth operating lever 24 to the first position. Biasing means 102
The diameter of is only slightly larger than the sum of the thickness of the first substrate 10 and the thickness of the fifth operating lever 24. Therefore, the biasing means 102 only slightly projects from the rear surface of the first substrate 10 to the external space. An erasing head 104 is attached to the front surface of the fourth operating lever 22 to the right of the magnetic head 74, as shown in FIG. In this embodiment, the erasing head 104 is composed of a permanent magnet. Erasing head 1
04 penetrates through an elongated hole (not shown) formed in the second substrate 12 and extends in the up-down direction, projects into the external space, and is positioned in front of the front surface of the second substrate 12.

Between the first substrate 10 and the second substrate 12, as shown in FIG. 1, the first to fourth fourth operating levers 16, 18, 20, 22 are provided.
A sub-operation lever 106 formed of a flat plate-shaped metal is disposed above the upper end surface of the second rotation lever 84 and one end of the second rotation lever 84. As shown in FIG. 1, the sub-operation lever 106 has an elongated shape extending in the left-right direction.

As shown in FIG. 1, a part of the plurality of guide protrusions 26 is in contact with the edge of the auxiliary operation lever 106 extending in the left-right direction. Therefore, the auxiliary operation lever 106 is guided by the guide projection 26 in its movement in the left-right direction when the edge thereof slides on the guide projection 26.

As shown in FIG. 1, an upper protruding portion 108 protruding upward is formed on the upper end surface of the sub-operation lever 106.
The right side surface of the upper protruding portion 108 is in contact with the guide protrusion 26 as shown in FIG. The position of the sub operation lever 106 at this time is referred to as a first position of the sub operation lever 106. The first substrate 10 is formed with a long hole 110 extending leftward from a portion of the first substrate 10 facing the left side surface of the upper protruding portion 108. At a portion of the second substrate 12 facing the long hole 110, a long hole having the same shape and substantially the same size as the long hole 110 is formed. A biasing means 112 is arranged in the long hole 110.
In this embodiment, the biasing means 112 is composed of a compression coil spring, and one end of the biasing means 112 has a first substrate 10.
The left end of the elongated hole 110 is in contact with the left end of the biasing means 112 is in contact with the left side surface of the upward protrusion 108 of the sub-operation lever 106. The biasing means 112 biases the sub-operation lever 106 to the first position. The diameter of the biasing means 112 is only slightly larger than the total thickness of the first substrate 10 and the sub-operation lever 106. Therefore, the biasing means 112 only slightly projects from the rear surface of the first substrate 10 to the external space.

As shown in FIG. 1, a first hanging portion 114 protruding downward is formed at the left end portion of the sub operation lever 106. As shown in FIG. 1, a first engaged portion 116 protruding rightward is formed at the lower end of the first hanging portion 114. The intersection between the lower end surface and the right side surface of the first engaged portion 116 is chamfered to form a first sub-inclined surface 118, as shown in FIG. The first sub-inclined surface 118 is the first
The first inclined surface 36 of the operating lever 16 is vertically opposed.

A second hanging portion 120 is formed on the lower end surface of the sub-operation lever 106 and projects downward from a position facing the upper end surface of the second operation lever 18. The left side surface of the second hanging portion 120 is separated from the right side surface of the first engaged portion 116 of the first hanging portion 114, as shown in FIG. The distance between the left side surface of the second hanging part 120 and the right side surface of the first engaged portion 116 is
From the right side surface of the upper end portion of the first operating lever 16 to the first engaging portion
Greater than the distance to the left side of 34. The lower end surface of the second hanging portion 120 extends in the left-right direction, and the first operating lever 16
It is located slightly above the upper end surface of the. A second engaged portion 122 extending rightward is formed on the right side surface of the second hanging portion 120, as shown in FIG. The intersection of the right side surface and the lower end surface of the second engaged portion 122 is chamfered to form a second sub-inclined surface 124. The second sub inclined surface 124 faces the second inclined surface 46 of the second operating lever 18 in the vertical direction.

At the lower end surface of the sub operation lever 106, the right side surface of the upper end portion of the second operation lever 18 and the third engaging portion 66 of the third operation lever 20 are provided.
Third hanging part 12 protruding downward from the left side of the
6 are formed. The left side surface of the third hanging portion 126 is the first
As shown in the figure, it is separated from the right side surface of the second engaged portion 122 of the second hanging portion 120. The distance between the left side surface of the third hanging portion 126 and the right side surface of the second engaged portion 122 of the second hanging portion 120 is the distance from the right side surface of the upper end of the second operating lever 18 to the second side.
It is larger than the distance to the left side surface of the engaging portion 44. The lower end surface of the third hanging portion 126 extends in the left-right direction and is located slightly above the upper end surface of the second operating lever 18. The right side surface of the third hanging portion 126 is, as shown in FIG.
The third sub-inclined surface 128 is inclined so as to extend obliquely upward to the right.
Is formed. The third sub inclined surface 128 faces the third inclined surface 68 of the third engaging portion 66 of the third operating lever 20 in the up-down direction.

A fourth hanging portion 130 is formed on the lower end surface of the sub-operation lever 106 and projects downward from a position facing the upper end surface of the fourth operation lever 22. As shown in FIG. 1, the left side surface of the fourth hanging portion 130 opposes the right side surface of one end of the second rotating lever 84 at a predetermined distance in the left-right direction. Fourth
As shown in FIG. 1, the lower end surface of the hanging portion 130 is formed in a triangular shape having a lower vertex, and the right side portion of the lower end surface is a fourth sub-inclined surface 132. The fourth sub-inclined surface 132 is separated from the fourth inclined surface 82 of the fourth operating lever 22 in the left-right direction.

Between the upper end of the fourth operating lever 22 and the upper end of the fifth operating lever 24, there is provided a third rotating lever 134 as an engaging lever which has a substantially L-shape and performs a predetermined rotating operation. It is arranged. The third rotation lever 134 is pivotally supported on the front surface of the first substrate 10 at an intermediate position between one end and the other end, and is rotatable along the front surface of the first substrate 10. Third rotating lever
One end of 134 is in contact with the right end surface of the sub operation lever 106,
The other end is in contact with the upper end surface of the fifth operating lever 24. The first operating lever 16 and the second operating lever 18 are connected to a first control switch (not shown). In the first control switch, either the first operating lever 16 or the second operating lever 18 is urging means 32 or urging means 42.
In the capstan shown in FIG. 1, by rotating the above-mentioned electric motor (not shown) in one direction at a relatively high speed when the capstan is moved from the first position against the biasing force of either one of
54 and the first gear 56 are rotated in the direction of arrow A at a relatively high speed.

The third operating lever 20 is connected to a second control switch (not shown). The second control switch rotates the above-mentioned electric motor (not shown) in one direction at a relatively low speed when the third operating lever 20 moves from the first position against the urging force of the urging means 72. By doing so, the capstan 54 and the first gear 56 are rotated at a relatively low speed in the direction of arrow A in FIG. At the same time, the second control switch
The magnetic head 74 functions as a reproducing head.

The fourth operating lever 22 is connected to a third control switch (not shown). The third control switch causes the magnetic head 74 to function as a recording head when the fourth operating lever 22 moves from the first position against the biasing force of the biasing means 96.

Next, the operation of the operation lever device configured as described above will be described.

As shown in FIG. 2, the first reel shaft 62 and the second reel shaft 88 are provided with the first and second reel hubs 138 and 140 of the tape cassette 136. At this time, on the back surface of the magnetic recording tape 142 of the tape cassette 136, the first and second
The capstan 54 is in contact between the reel babs 138 and 140.

When the third operating lever 20 is pressed upward, the third operating lever 20 moves upward from the first position against the biasing force of the biasing means 72. The third inclined surface 68 of the third operating lever 20 moving upward is in sliding contact with the third auxiliary inclined surface 128 of the sub operating lever 106, and the sub operating lever 106 is biased by the biasing means 112. Move to the left from the first position against the power. In addition, the third operation lever 20 moving upward
The engagement small protrusion 78 of is in sliding contact with the left side surface of the other end of the second rotation lever 84. Then, the engagement small protrusion 78 is the second rotation lever.
When the engaged recesses 85 of 84 are engaged with each other as shown in FIG. 2, the third operating lever 20 stops moving upward. The position of the third operating lever 20 at this time is referred to as the second position of the third operating lever 20. The sub operation lever 10 when the third operation lever 20 is arranged in the second position as shown in FIG.
The position of 6 in the left-right direction is the second position of the sub-operation lever 106. When the third operating lever 20 is placed in the second position, the second control switch (not shown) causes the capstan 54 to rotate in the clockwise direction as shown by an arrow A in FIG. Rotate at a constant, relatively slow speed. The rotation of the capstan 54 is transmitted to the first reel shaft 62 via the first to third gears 56, 60, 64 shown in FIG. 1, and the first reel shaft 62 is moved in the direction indicated by the arrow B. Rotate to. Further, when the third operating lever 20 is arranged at the second position, a pinch roller (not shown) is brought into contact with the surface of the magnetic recording tape 142. The pinch roller cooperates with the capstan 54 to hold the magnetic recording tape 142.
Therefore, the magnetic recording tape 142 is pulled out from the second reel hub 140 side by the capstan 54 and a pinch roller (not shown), and then wound around the first reel hub 138. When the third operating lever 20 is located at the second position, the magnetic head 74 contacts the surface of the magnetic recording tape 142 as shown in FIG. When the third operating lever 20 is arranged in the second position, the above-mentioned second control switch (not shown) causes the magnetic head 74 to function as a reproducing head.
Therefore, when the third operating lever 20 is arranged at the second position, the magnetic recording is performed by the magnetic head 74 from the magnetic recording tape 142 which is run at a constant speed from the second reel hub 140 to the first reel hub 138. The information already recorded on the tape 142 is reproduced. That is, the reproduction mode is set in the tape recorder which is an electric device provided with the operation lever device of this embodiment. This is the third operating lever
It means that 20 functions as a reproducing lever in the tape recorder. When the sub-operation lever 106 is arranged at the second position, the upward movement locus of the right side surface of the upper end portion of the first operation lever 16 and the left side surface of the first engaging portion 34 becomes the second movement direction. As shown, the right side surface of the first engaged portion 116 of the first hanging portion 114 of the sub-operation lever 106 and the second hanging portion 120.
It is located between the left side and. The second operating lever
The upward movement loci of the right side surface of the upper end portion of 18 and the left side surface of the second engaging portion 44 are as shown in FIG.
It is located between the right side surface of the second engaged portion 122 of the sixth hanging portion 120 and the left side surface of the third hanging portion 126. Therefore, when the third operating lever 20 is arranged in the second position, the first operating lever 16 or the second operating lever 18 is resisted against the biasing force of the biasing means 32 or the biasing means 42. It can be moved upward from the first position.

Biasing means 32 for upwardly moving the first operating lever 16 from the first position
If the motor is moved against the urging force of the capstan 54, the first control switch (not shown) causes the electric motor (not shown) to rotate in one direction at a relatively high speed, so that the capstan 54 and the first gear 56 are moved. It is rotated at a relatively high speed in the direction indicated by arrow A in FIG. When the first operating lever 16 is moved upward from the first position against the urging force of the urging means 32, the pinch roller (not shown) is separated from the magnetic recording tape 142 of the tape cassette 136. Then, the holding of the magnetic recording tape 142 in cooperation with the capstan 54 is released. The relatively high speed rotation of the first gear 56 in the direction of arrow A is transmitted to the third gear 64 via the second gear 60.
At this time, the third gear 64 rotates in the direction indicated by the arrow B in FIG. 2 at a relatively high speed, so that the magnetic recording tape 142 of the tape cassette 136 is fast-forwarded from the second reel hub 140 to the first reel hub 138. To be done. That is, a tape recorder which is an electric device having an operation lever device according to an embodiment of the present invention.
The fast-forward mode is set to 33. This means that the first operating lever 16 functions as a fast-forward mode in the tape recorder. When the magnetic recording tape 142 is fast-forwarded from the second reel hub 140 to the first reel hub 138 as described above, the magnetic head 74 functioning as a reproducing head has the magnetic recording tape 14 as shown in FIG.
Since it is in contact with 2, it is possible to perform playback while fast-forwarding. When the upward pressing force applied to the first operating lever 16 is removed, the first operating lever 16 moves to the urging means.
When the stopper 30 comes into contact with the upper end of the elongated hole 28, that is, when the stopper 30 is moved to the first position by being moved downward by the urging force of 32,
Stop moving down. When the first operating lever 16 is placed in the first position, the above-mentioned electric motor (not shown) rotates in one direction at a relatively slow speed, causing the capstan 54 to rotate in the clockwise direction as indicated by arrow A in FIG. Rotate at a constant, relatively slow speed. The pinch roller (not shown) is again brought into contact with the surface of the magnetic recording tape 142 and holds the magnetic recording tape 142 in cooperation with the capstan 54. After this, as described above, the second reel hub 14 is the same as when only the third operating lever 20 is arranged in the second position.
The magnetic recording tape 142 is run from 0 to the first reel hub 138 at a constant speed, and the information already recorded on the magnetic recording tape 142 is reproduced from the magnetic recording tape 142 by the magnetic head 74.

Biasing means 42 for moving the second operating lever 18 upward from the first position
When it is moved against the urging force of the second operation lever 18, the operation arm 48 of the second operation lever 18 causes the second rotation lever 84 to move the urging means 52.
It rotates clockwise from the first position against the urging force of. When the second gear 60 meshes with the fourth gear 90 as shown in FIG. 7, the second rotary lever 84 stops the rotation.
The position of the second rotary lever 84 at this time is set to the second rotary lever.
The second position of 84.

Biasing means 42 for moving the second operating lever 18 upward from the first position
If it is moved against the urging force of the capstan, the electric motor (not shown) rotates in one direction at a relatively high speed,
54 and the first gear 56 are rotated at a relatively high speed in the direction indicated by arrow A in FIG. In addition, the second operation lever 18
When the pinch roller (not shown) described above is moved upward from the position above against the biasing force of the biasing means 42, it separates from the magnetic recording tape 142 of the tape cassette 136. Then, the holding of the magnetic recording tape 142 in cooperation with the capstan 54 is released. The relatively high speed rotation of the first gear 56 in the direction of arrow A is transmitted to the fourth gear 90 via the second gear 60. At this time, the fifth gear 92 rotates in the direction indicated by the arrow C in FIG. 7 at a relatively high speed, so that the magnetic recording tape 142 of the tape cassette 136 quickly moves from the first reel hub 138 to the second reel hub 140. It is rewound. That is, the fast rewind mode is set in the tape recorder which is an electric device equipped with the operation lever device according to the embodiment of the present invention. This is the second
It means that the operating lever 18 functions as a fast rewinding lever in the tape recorder. Magnetic recording tape
When 142 is rapidly rewound from the first reel hub 138 to the second reel hub 140 as described above, the magnetic head 74 functioning as a reproducing head hits the magnetic recording tape 142 as shown in FIG. Since they are in contact with each other, it is possible to perform playback while fast rewinding. When the upward pressure applied to the second operating lever 18 is removed, the second operating lever 18
Is moved downward by the urging force of the urging means 42, and when the lower end surface of the movement restricting member 38 comes into contact with the guide protrusion 26 as shown in FIG. 1, that is, when it is arranged at the first position, Stop moving to. By arranging the second operating lever 18 at the first position, the second rotating lever 84 is returned to the first position as shown in FIG. 1 by the urging force of the urging means 112. Further, when the second operating lever 18 is arranged in the first position, the above-mentioned electric motor (not shown) rotates in one direction at a relatively slow speed, and the capstan 54 is rotated clockwise as shown by an arrow A in FIG. Rotate in a direction at a constant, relatively slow speed.
The pinch roller (not shown) is again brought into contact with the surface of the magnetic recording tape 142 and holds the magnetic recording tape 142 in cooperation with the capstan 54. After that, as described above, the magnetic recording tape 142 is moved from the second reel hub 140 to the first reel hub 138 at a constant speed, as in the case where only the third operation lever 20 is arranged in the second position. And the information already recorded on the magnetic recording tape 142 is reproduced by the magnetic head 74 from the magnetic recording tape 142.

When the third operating lever 20 is arranged in the second position,
When the fifth operating lever 24 is pressed upward from the first position against the biasing force of the biasing means 102, the third rotating lever 13
By 4, the sub-operation lever 106 moves to the left of the second position against the biasing force of the biasing means 112, as shown in FIG. Sub-operation lever 10 moved to the left of the second position
As shown in FIG. 3, the left side surface of the fourth hanging portion 130 of 6 comes into contact with the right side surface of one end of the second rotating lever 84, and the second rotating lever 84 is urged by the urging means 86. Rotate counterclockwise against. When the second rotary lever 84 rotates counterclockwise, the engaged recess 85 of the second rotary lever 84 and the third
The engagement of the operation lever 20 with the engagement small protrusion 78 is released as shown in FIG. At this time, the third operating lever 20
The urging force of the urging means 72 moves downward, and the lower end surface of the third engaging portion 66 comes into contact with the guide projection 26, so that the movement is stopped. The position where the third operating lever 20 stops moving downward is the first position of the third operating lever 20. By disposing the third operating lever 20 in the first position, the aforementioned second control switch (not shown) stops the rotation of the aforementioned electric motor (not shown), and
As shown in FIG. 3, the function of the magnetic head 74, which is separated from the magnetic recording tape 142 of the tape cassette 136, as a reproducing head is stopped. That is, the stop mode is set in the tape recorder which is an electric device provided with the operation lever device of this embodiment. This means that the fifth operating lever 24 acts as a stop lever in the tape recorder. Biasing means for the fifth operating lever 24
When the force applied upward against the biasing force of 102 is removed, the fifth operating lever 24 moves downward due to the biasing force of the biasing means 102. When the upper end surface of the notch 98 of the fifth operating lever 24 comes into contact with the guide protrusion 26, that is, when it is arranged in the first position, as shown in FIG.
24 stops the above downward movement. Fifth operating lever 24
As is moved from the second position to the first position, the auxiliary operation lever 106 moves to the right by the biasing force of the biasing means 112. When the right side surface of the upper protruding portion 108 of the sub-operation lever 106 contacts the guide protrusion 26, that is, when the sub-operation lever 106 is arranged at the first position as shown in FIG. 1, the sub-operation lever 106 moves to the right. Stop moving.

Next, when the fourth operating lever 22 is pressed upward, the fourth operating lever 22 moves upward from the first position against the biasing force of the biasing means 96. When the fourth operation lever 22 moves upward, the upper end surface of the lower left and right extending portion of the fourth operation lever 22 comes into contact with the lower end surface of the support base 73 of the third operation lever 20. Therefore, the third operating lever 20 also moves upward from the first position against the biasing force of the biasing means 72.
Regarding the fourth inclined surface 82 of the fourth operating lever 22 moving upward, the third inclined surface 68 of the third operating lever 20 is the same as the third auxiliary inclined surface 128 of the sub operating lever 106. Before sliding
The auxiliary operation lever 106 slides against the fourth auxiliary inclined surface 132 to move the auxiliary operation lever 106 from the first position to the left against the urging force of the urging means 112. Further, the fourth operation lever 22 moving upward has a lower end surface of the fourth engaging portion 66 of the fourth operation lever 22, as shown in FIG.
When it engages with the upper end surface of the fourth hanging portion 130, the upward movement is stopped. The position of the fourth operating lever 22 at this time is referred to as the second position of the fourth operating lever 22. Further, as shown in FIG. 4, the position of the sub operation lever 106 when the fourth operation lever 22 is arranged in the second position is set to the sub operation lever 1
The third position of 06. The third position is located to the left of the second position of the sub operation lever 106.

The third inclined surface 68 of the third operating lever 20 which is moved upward by the fourth operating lever 22 does not make sliding contact with the third auxiliary inclined surface 128 of the sub operating lever 106. Then, at the same time that the fourth operation lever 22 is arranged at the second position, the third operation lever 20 is also arranged at the second position. As shown in FIG. 4, the left side surface of the fourth hanging portion 130 of the sub-operation lever 106 arranged at the third position is separated from the right side surface of one end of the second rotary lever 84 by a predetermined distance in the left-right direction. And are facing each other. When the third operating lever 20 is located at the second position, the above-mentioned second control switch (not shown) causes the capstan 54 to move in the clockwise direction as shown by an arrow A in FIG. Rotate at a relatively slow speed.
Then, as described above, the magnetic recording tape 142 of the tape cassette 136 is pulled out from the second reel hub 140 side by the capstan 54 and a pinch roller (not shown), and then wound around the first reel hub 138. When the fourth operating lever 22 is located at the second position, the erasing head 104 is in contact with the surface of the magnetic recording tape 142 as shown in FIG. As shown in FIG. 4, the magnetic head 74 is also in contact with the surface of the magnetic recording tape 142. Fourth operating lever
When the 22 is arranged in the second position, the above-mentioned third not shown
The control switch of makes the magnetic head 74 function as a recording head. Therefore, when the fourth operating lever 22 is arranged in the second position, the magnetic recording tape 142 that is run at a constant speed from the second reel hub 140 to the first reel hub 138.
The information collected by the microphone (not shown) of the tape recorder (not shown) is recorded by the magnetic head 74. That is, the recording mode is set in the tape recorder which is an electric device provided with the operation lever device of this embodiment. This means that the fourth operation lever 22 functions as a recording lever in the tape recorder.

When the sub-operation lever 106 is arranged in the third position, the upper end surface of the first operation lever 16 moves vertically to the lower end surface of the second hanging portion 120 of the sub-operation lever 106 as shown in FIG. Opposite the direction. The upper end surface of the second operating lever 18 is
As shown in the figure, it vertically faces the lower end surface of the third hanging portion 126 of the sub-operation lever 106. Therefore, when the recording mode is set, the tape recorder that constitutes the electric device having the operation lever device according to the embodiment of the present invention pushes the first operation lever 16 or the second operation lever 18 upward. However, since the upper end surface of the first operating lever 16 or the second operating lever 18 comes into contact with the lower end surface of the second hanging portion 120 or the third hanging portion 126, the first operating lever 16 or The second operating lever 18 cannot be placed in the second position. The operating lever 16 or 18 cannot be moved upward from the first position. That is, the tape recorder does not set the fast-forward mode or the fast-rewind mode when the recording mode is set.

When the third operating lever 20 and the fourth operating lever 22 are arranged in the second position, the fifth operating lever 24 is moved upward from the first position against the biasing force of the biasing means 102. When pressed, the sub-operation lever 106 is moved by the third rotation lever 134,
As shown in FIG. 5, the third force is applied against the biasing force of the biasing means 112.
Move to the left of the position. Then the sub-operation lever 106
Before the left side surface of the fourth hanging portion 130 of the second contact lever contacts the right side surface of one end of the second rotating lever 84, the upper end surface of the fourth hanging portion 130 of the sub-operation lever 106 and the fourth operating lever 22. The engagement with the lower end surface of the fourth engaging portion 80 of is released. The disengaged fourth operation lever 22 moves downward due to the urging force of the urging means 102. The fourth operation lever 22 moves downward when the lower end surface of the upper left and right extending portion of the fourth operation lever 22 comes into contact with the guide protrusion 26 as shown in FIG.
That is, when it is placed in the first position, it stops. At this time, the erasing head 104 is separated from the magnetic recording tape 142 of the tape cassette 136, as shown in FIG. Fourth operating lever 22
Moves to the first position and the third operating lever 20 moves to the second position.
The magnetic head 47 functions as a reproducing head by continuing to be held at the position.

When the pressing force applied to the fifth operation lever 24 is removed, the fifth operation lever 24 moves downward due to the urging force of the urging means 102, and when the fifth operation lever 24 is placed in the first position, the movement is stopped. To do. At this time, the sub-operation lever 106 also moves to the right from the third position by the urging force of the urging means 112, and the third sub-inclined surface 128 of the third hanging portion 126 is moved to the first position as shown in FIG. When contacting the third inclined surface 68 of the third engaging portion 66 of the third operating lever 20 arranged at the position 2, that is, when arranged at the second position, to the right Movement is stopped.

As is apparent from FIG. 5, the third operating lever 20 is the second
The fourth operating lever 22 to the first
It is possible to move upwards from the position and to reposition it in the second position. That is, it is possible to set the recording mode to the electric device for which the reproduction mode is set without once setting the stop mode.

The features of the function of the tape recorder, which is an electric device equipped with the operation lever device according to the embodiment of the present invention described above, are summarized below.

The third operating lever 20 that functions as a playback lever is the second
As shown in the figure, when the tape recorder is arranged in the second position, the fast-forward mode or the fast-rewind mode can be set without temporarily setting the stop mode in the tape recorder. Also, when the third operating lever 20 is arranged in the second position,
The recording mode can be set without setting the stop mode to the tape recorder once. When the recording mode is set in the tape recorder, the playback mode can be set without setting the stop mode in the tape recorder.

By performing reproduction while performing fast forward or fast rewind, it is possible to roughly check the information already recorded on the magnetic recording tape 142. If you find any error in the above information,
The vicinity of this point is played back, and correct information is recorded at the error point during this playback. Immediately after the recording is completed, the general survey of information can be resumed as described above.

When the first to fifth operating levers 16, 18, 20, 22, 24 are arranged in the first position as shown in FIG. 1, the first operating lever 16 is biased by the biasing means 32. When pressed upward against the force, the first inclined surface 36 of the first operating lever 16 becomes the first auxiliary inclined surface 118 of the first hanging portion 114 of the auxiliary operating lever 106 as shown in FIG. Sliding contact is made, and the sub-operation lever 106 is moved leftward from the first position against the biasing force of the biasing means 112. First
When the lower end surface of the first engaging portion 34 of the operating lever 16 is engaged with the upper end surface of the first engaged portion 116 of the first hanging portion 114 of the sub operating lever 106 as shown in FIG. , The first operation lever 16 stops moving upward. The first operation lever 16 at this time
Is the second position of the first operating lever 16. Further, the lateral position of the sub-operation lever 106 when the first operation lever 16 is arranged in the second position as shown in FIG. 6 is referred to as the fourth position of the sub-operation lever 106. When the first operating lever 16 is placed in the second position, the fast-forward mode is set in the tape recorder as described above.

When the fifth operating lever 24 is pushed upward when the first operating lever 16 is arranged in the second position as shown in FIG. 6, the sub-operating lever 1 is operated by the action of the third rotating lever 134.
06 moves to the left from the 4th position. Then, the first engaging portion 34 of the first operating lever 16 and the first engaging portion 34 of the sub operating lever 106.
Is disengaged from the engaged portion 116 of the first operation lever 1
6 is returned to the first position by the urging force of the urging means 32.
When the first operating lever 16 returns to the first position, the fast forward mode of the tape recorder is released.

When the first to fifth operating levers 16, 18, 20, 22, 24 are arranged in the first position as shown in FIG. 1, the second operating lever 18 is biased by the biasing means 42. When pressed upward against the force, the second inclined surface 46 of the second operating lever 18 becomes the second auxiliary inclined surface 124 of the second hanging portion 120 of the auxiliary operating lever 106 as shown in FIG. Sliding contact is made, and the sub-operation lever 106 is moved leftward from the first position against the biasing force of the biasing means 112. Second
The lower end surface of the second engaging portion 44 of the operating lever 18 is engaged with the upper end surface of the second engaged portion 122 of the second hanging portion 120 of the sub operating lever 106 as shown in FIG. When the second operating lever 18
Stops moving upwards. Second operation lever at this time
The position 18 is the second position of the second operating lever 18.
The position of the sub-operation lever 106 when the second operation lever 18 is arranged in the second position as shown in FIG. 7 is equal to the fourth position of the sub-operation lever 106 in the left-right direction. When the second operating lever 18 is located at the second position, the tape recorder is set to the fast rewind mode as described above.

When the fifth operation lever 22 is pushed upward when the second operation lever 18 is arranged at the second position as shown in FIG. 7, the sub-operation lever 1 is operated by the action of the third rotation lever 134.
06 moves to the left from the 4th position. Then, the second engaging portion 44 of the second operating lever 18 and the second engaging portion of the sub operating lever 106 are
Is disengaged from the engaged portion 122 of the second operation lever 1
8 is returned to the first position by the biasing force of the biasing means 42.
When the second operating lever 18 returns to the first position, the fast rewind mode of the tape recorder is released.

When the sub operating lever 106 is placed in the fourth position as shown in FIG. 6 by arranging the first operating lever 16 in the second position, the second sub inclined surface of the sub operating lever 106 is placed. 124
Corresponds to the second inclined surface 46 of the second operating lever 18 arranged in the first position in the vertical direction, and the third sub-inclined surface 128 is arranged in the first position. The third tilted surface 68 of the third operating lever 20 is vertically opposed to the third tilted surface 68, and the fourth sub-tilted surface 132 is located at the first position. It faces the inclined surface 88 in the vertical direction. Therefore, the second operating lever 18 and the third operating lever 2
By moving any one of the 0 and fourth operation levers 22 from the first position to the second position, the second inclined surface 46 is moved.
And the second sub-slope surface 124, the third slope surface 66 and the third sub slope surface.
128, or the fourth slanted surface 88 and the fourth sub slanted surface 132 slidably contact each other to move the sub operating lever 106 to the left of the fourth position against the biasing force of the biasing means 112. Let At this time, the first engaging portion 34 of the first operating lever 16 and the sub operating lever 106
The engagement with the first engaged portion 116 is released, and the first operating lever 16 is returned to the first position by the urging force of the urging means 32. That is, by arranging the fifth operating lever 24 at the second position once, it is possible to set the fast-rewind mode, the reproduction mode or the recording mode after the fast-forward mode without setting the stop mode in the tape recorder. it can.

Since the second operation lever 18 is arranged at the second position and the sub operation lever 106 is arranged at the fourth position as shown in FIG. 7, the first sub inclined surface of the sub operation lever 106 is arranged. 118
Is vertically opposed to the first inclined surface 36 of the first operating lever 16 arranged in the first position, and the third sub inclined surface 128 is arranged in the first position. The third inclined surface 68 of the third operating lever 20 corresponds to the up-down direction, and the fourth sub-inclined surface 132 is the fourth of the fourth operating lever 22 arranged at the first position. It faces the inclined surface 88 in the vertical direction. Therefore, it is possible to set the fast-forward mode, the playback mode or the recording mode after the fast-rewind mode without setting the stop mode in the tape recorder by once disposing the fifth operating lever 24 in the second position. it can.

An operating lever device for a tape running device according to the present invention, which is used in a tape running device and is used for setting a predetermined mode relating to tape running in the tape running device, comprises: a first substrate; Slidably contact the first on the first substrate
Is movably provided between the second position and the second position.
An operating lever for setting the above-mentioned predetermined mode in the tape running device at a position; and slidingly contacting the first substrate, and overlapping the operating lever between the first position and the second position on the first substrate. Without the operation lever, which is provided movably in the same plane as the operation lever, and which engages with the periphery of the operation lever moving from the first position to the second position to perform a predetermined rotation operation. A lever; provided on the side opposite to the first substrate with respect to the operation lever and the engagement lever, substantially parallel to the first substrate, and in sliding contact with the operation lever and the engagement lever, and from the first substrate And a second substrate that prevents the operation lever and the engagement lever from being lifted up.

In the operation lever device for a tape running device according to the present invention having the above-mentioned structure, the operation lever and the engagement lever for performing a predetermined rotation operation are provided on the first substrate and the second substrate, respectively. It is movable while being sandwiched. Therefore, at the time of assembling the operation lever device for the tape traveling device, the second substrate is placed on the first substrate after the operation lever and the engaging lever for performing a predetermined rotation operation are arranged at the predetermined position on the first substrate. In order to prevent the operation lever and the engagement lever that performs a predetermined rotation operation from being lifted up, it suffices to provide the operation lever and the engagement lever that is in parallel with the first substrate on the side opposite to the first substrate. Easy to take. Further, since the operation lever and the engagement lever for performing the predetermined rotation operation are arranged on the first substrate without overlapping each other, the operation lever device for the tape traveling device in the direction intersecting with the substrate is provided. The size can also be reduced. Moreover, since the engagement lever that performs a predetermined rotation operation engages with its own peripheral edge in the same plane as the peripheral edge of the operation lever that moves from the first position to the second position, Transmission efficiency is high, and the engagement lever that performs a predetermined rotation operation can be efficiently rotated.

[Brief description of drawings]

1 is a plan view showing a state in which a plurality of operation levers of a tape running device operation lever device according to an embodiment of the present invention are arranged at a first position, and FIG. 2 is a view of the operation lever device of FIG. FIG. 3 is a plan view showing a state in which a pair of reel hubs of a tape cassette are mounted on a pair of reel shafts and a third operation lever that functions as a reproduction lever is arranged at a second position.
The figure is a plan view showing a state in which a pair of reel hubs of a tape cassette is mounted on a pair of reel shafts for operating the operating lever of FIG. 1 and a fifth operating lever functioning as a stop lever is arranged in a second position. 4 shows a state in which a pair of reel hubs of a tape cassette is attached to a pair of reel shafts of the operation lever device of FIG. 1 and a fourth operation lever functioning as a recording lever is arranged at a second position. FIG. 5 is a plan view showing that the fifth operating lever is the first in the operating lever device of FIG.
FIG. 6 is a plan view showing a state in which the tape is moved from the position to the second position. FIG. 6 is a rapid feed lever in which a pair of reel hubs of a tape cassette is mounted on a pair of reel shafts of the operation lever device of FIG. FIG. 7 is a plan view showing a state in which the first operating lever functioning as a unit is arranged in the second position, and FIG. 7 shows a pair of reel hubs of the tape cassette mounted on the pair of reel shafts of the operating lever device of FIG. It is a top view which shows the state which the 2nd operation lever functioning as a quick rewind lever was arrange | positioned in the 2nd position. 10 ... First substrate, 12 ... Second substrate, 14 ... Operating lever, 16 ... First operating lever, 18 ... Second operating lever, 20 ... Third operating lever, 22 ...... Fourth operation lever, 24 ...... Fifth operation lever, 26 ...... Guide protrusions, 32, 42,
72, 96, 102, 112 ...... biasing means, 28 ...... long hole, 40 ...... long hole, 50 ...... first rotary lever, 54 ...... capstan, 56
...... First gear, 60 ...... Second gear, 62 ...... First reel shaft, 64 ...... Third gear, 70 ...... Long hole, 72 ...... Biasing means, 74 ...... Magnetic head , 84 …… Second rotary lever, 88…
... second reel shaft, 90 ... fourth gear, 92 ... fifth gear, 94 ... long hole, 100 ... long hole, 104 ... erasing head, 10
6 ... Sub-operation lever, 110 ... Long hole, 134 ... Third rotation lever, 136 ... Tape cassette, 138 ... First reel hub, 140 ... Second reel hub, 142 ... Magnetic recording tape .

Claims (1)

[Scope of utility model registration request] 1. A tape traveling device, which is used for setting a predetermined mode relating to tape traveling in a tape traveling device, comprising: a first substrate; and a sliding contact with the first substrate; The first position and the second position on the first substrate
An operation lever that is movably provided between the first position and the second position and that sets the predetermined mode in the tape running device at the second position; And the second
Is provided so as to be movable in the same plane as the operating lever without overlapping with the operating lever, and its peripheral edge engages with the peripheral edge of the operating lever that moves from the first position to the second position. An operating lever and an engaging lever, which are provided substantially parallel to the first substrate on the side opposite to the first substrate with respect to the operating lever and the engaging lever. A second board that slides against the mating lever to prevent the operation lever and the engagement lever from being lifted from the first board; and a tape running device operation lever device.