JPH11328787A - Magnetic recording and reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts to simplify and miniaturize a mechanism by constituting a pinch roll of a first arm and a first arm support member so that it can swing and arranging the first arm support member in the vicinity of a running path and supporting one of plural tape guides with the first arm support member. SOLUTION: A pinch roll 32 consists of a first arm support member 37 stood on a main chassis 21, a first arm 38 which is attached to the first arm support member 37 so that it can swing, and a pinch roll 39 rotatably attached to the first arm 38. The first arm support member 37 consists if a tape guide 27b as one of plural tape guides integrally formed on the outer periphery and a support hole 37c formed on the inner periphery. An arm support shaft 38b is attached to the support hole 37c of the first arm support member 37 so that it can swing, and the pinch roll 39 is rotatably attached to a roll support shaft 38c. The number of parts corresponding to fixed tape guides is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an improvement in a tape guide in a magnetic recording / reproducing apparatus.

[0002]

2. Description of the Related Art FIG. 8 is a plan view of a conventional magnetic recording / reproducing apparatus. The conventional magnetic recording / reproducing apparatus 100 includes a sub-chassis assembly 110 and a main chassis assembly 120 to which the sub-chassis assembly 110 is slidably mounted.

A sub-chassis assembly 110 includes a sub-chassis 111, a supply-side reel base 112 rotatably mounted on the sub-chassis 111, a take-up reel base 113 rotatably mounted on the sub-chassis 111, and a sub-chassis 111. And a capstan motor 114 attached to the motor. Reference numeral 114a denotes a capstan that is a motor shaft of the capstan motor 114.

The main chassis assembly 120 includes a main chassis 121, a drum 122 rotatably mounted on the main chassis 121, a loading motor 123 mounted on the main chassis 121, and a main chassis 121.
, A supply-side loading pole 126 movably disposed on the main chassis 121, a winding-side loading pole 127 movably disposed on the main chassis 121, and a main body 121. Fixed tape guide 128,
129, a movable tape guide 131 movably disposed on the main chassis 121, a pinch roller 132 slidably mounted on the main chassis 121, and a cleaning roller 133 slidably mounted on the main chassis 121.

FIG. 9 is a plan view showing a state after tape loading of a conventional magnetic recording / reproducing apparatus. The magnetic tape 142 is pulled out from the supply side reel 141 of the cassette tape 140 and wound around the drum 122 via the tension pole 124 and the supply side loading pole 126, and is taken up by the winding side loading pole 127 and the fixed tape guide 12.
8 and the pinch roller 13 on the capstan 114a.
2 indicates that the magnetic tape 142 has been fed by pressing the magnetic tape 142 and returned to the take-up reel 143 side via the fixed tape guide 129 and the moving tape guide 131.

[0006]

By the way, in recent years, various types of devices such as a home-use VTR (video tape recorder) and a video camera have been commercialized as magnetic recording / reproducing devices. In particular, video cameras and the like are continually being miniaturized, and it is necessary to reduce the size of the entire magnetic recording and reproducing apparatus. However, conventional magnetic recording / reproducing devices have many guides such as fixed tape guides 128 and 129, and it has been difficult to reduce the size of the magnetic recording / reproducing device. In addition, there are also problems that the number of components is large and the magnetic recording / reproducing apparatus is complicated, and it is difficult to assemble the magnetic recording / reproducing apparatus.

An object of the present invention is to provide a magnetic recording / reproducing apparatus capable of reducing the number of parts, simplifying a mechanism, and reducing the size.

[0008]

According to one aspect of the present invention, there is provided a magnetic recording / reproducing apparatus in which a capstan, a pinch roller and a plurality of tape guides are arranged on a running path of a magnetic tape wound around a drum. In the above, the pinch roller is configured to be swingable by the first arm and the first arm supporting member, and the first arm supporting member is disposed near the traveling path, and one of the plurality of tape guides is moved to the first arm. It is characterized by being supported by one arm support member.

A pinch roller is configured to be swingable by the first arm and the first arm supporting member, and the first arm supporting member is arranged near a magnetic tape traveling path, and one of a plurality of tape guides is provided. Is supported by the first arm support member to simplify the magnetic recording / reproducing apparatus.

According to a second aspect of the present invention, there is provided a magnetic recording / reproducing apparatus in which a capstan, a pinch roller and a plurality of tape guides are arranged on a traveling path of a magnetic tape wound around a drum.
A cleaning roller for cleaning is arranged along the drum, and the cleaning roller is configured to be swingable by the second arm and the second arm support member, and the second arm support member is located near the magnetic tape traveling path. In addition to the arrangement, one of the plurality of tape guides is supported by the second arm support member.

The cleaning roller is configured to be swingable by the second arm and the second arm supporting member, and the second arm supporting member is disposed near the magnetic tape traveling path.
One of the plurality of tape guides is supported by the second arm support member to simplify the magnetic recording / reproducing apparatus.

According to a third aspect of the present invention, there is provided a magnetic recording / reproducing apparatus in which a capstan, a pinch roller, and a plurality of tape guides are arranged on a traveling path of a magnetic tape wound around a drum.
The pinch roller is configured to be swingable by the first arm and the first arm support member, and the first arm support member is arranged near the traveling path, and one of the plurality of tape guides is connected to the first arm by the first arm. Supported by the arm support member, a cleaning roller for cleaning along the drum,
The cleaning roller is configured to be swingable by the second arm and the second arm support member, and the second arm support member is arranged near the traveling path, and one of the plurality of tape guides is connected to the second arm. Characterized in that it is supported by an arm support member.

A pinch roller is configured to be swingable by the first arm and the first arm supporting member, and the first arm supporting member is arranged near a magnetic tape traveling path, and one of a plurality of tape guides is provided. Is supported by the first arm support member, and the cleaning roller is configured to be swingable by the second arm and the second arm support member, and the second arm support member is disposed near the traveling path, One of the plurality of tape guides is supported by the second arm support member to further simplify the magnetic recording / reproducing apparatus.

[0014]

Embodiments of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals. FIG. 1 is a plan view of a magnetic recording / reproducing apparatus according to the present invention. The magnetic recording / reproducing apparatus 1 includes a sub-chassis assembly 10 and a main chassis assembly 20 to which the sub-chassis assembly 10 is slidably mounted. Here, T is a cassette tape, and the cassette tape T is
A housing T1, a supply-side reel T2 rotatably mounted on the housing T1, a take-up reel T3 rotatably mounted on the housing T1, and these reels T2,
And a magnetic tape T4 wound around T3.

The sub-chassis assembly 10 includes a sub-chassis 11, a supply-side reel base 12 rotatably mounted on the sub-chassis 11, a take-up reel base 13 rotatably mounted on the sub-chassis 11, and a sub-chassis 11. And a capstan motor 14 attached to the motor. Reference numeral 14a denotes a capstan that is a motor shaft of the capstan motor 14.

The main chassis assembly 20 includes a main chassis 21, a drum 22 rotatably mounted on the main chassis 21, a loading motor 23 mounted on the main chassis 21, and a tension pole movably disposed on the main chassis 21. 24, a supply-side loading pole 26 movably disposed on the main chassis 21,
A take-up loading pole 27 movably arranged on the main chassis 21, a moving tape guide 31 as one of a plurality of tape guides movably arranged on the main chassis 21, and a pinch swingably mounted on the main chassis 21. It comprises a roller unit 32 and a cleaning roller unit 33 which is swingably mounted on the main chassis.

The drum 22 is for mounting heads such as a recording head and a reproducing head (not shown), recording information on the wound magnetic tape, and reproducing the recorded magnetic tape. The loading motor 23 has a pulley 35 attached to a motor shaft 23a, and a tension pole 24, a supply-side loading pole 26,
The take-up side loading pole 27 and the moving tape guide 31 are moved to predetermined positions.
4 is a driving source for tape loading. The tension pole 24 moves to a predetermined position and applies a constant tension to the magnetic tape T4 after the tape loading is completed.

The supply-side loading pole 26 includes a base 26a movably disposed on the main chassis 21 and a guide 26b rotatably mounted on the base 26a.
And a pole 26c standing on the base 26a. The winding-side loading pole 27 has the same configuration as the supply-side loading pole 26, that is, includes a base 27a, a guide 27b, and a pole 27c. The moving tape guide 31 moves to a predetermined position, and
4 is guided along a predetermined route.

FIG. 2 is a sectional view taken along line 2-2 of FIG. 1 and shows a side sectional view of the pinch roller unit 32. The pinch roller unit 32 includes a first arm support member 37 erected on the main chassis 21, a first arm 38 swingably attached to the first arm support member 37, and a first arm 38. And a pinch roller 39 rotatably mounted.

The first arm support member 37 includes a tape guide 37b formed as one of a plurality of tape guides integrally formed on the outer periphery, and a support hole 37c formed on the inner periphery. The first arm 38 includes an arm body 38a, an arm support shaft 38b formed at one end of the arm body 38a,
A roller support shaft 38c formed at the other end of the arm body 38a. The arm support shaft 38b is a shaft for swingably mounting the support hole 37c of the first arm support member 37, and the roller support shaft 38c is a shaft for rotatably mounting the pinch roller 39.

FIG. 3 is a sectional view taken along line 3-3 of FIG. 1 and shows a side sectional view of the cleaning roller unit 33. The cleaning roller unit 33 includes the main chassis 2
1, a second arm supporting member 41, a second arm 42 swingably attached to the second arm supporting member 41, and a cleaning roller 43 rotatably attached to the second arm 42. Before and during tape loading, the drum 22 is brought into contact with the drum 22 (see FIG. 1) to remove dust and the like from the drum and heads. It is something that did not become.

The second arm support member 41 has a tape guide 4 as one of a plurality of tape guides formed on the outer periphery.
1b and a support hole 41c formed in the inner periphery. Second
The arm 42 includes an arm body 42a, an arm support shaft 42b formed at one end of the arm body 42a, and a roller support shaft 42c formed at the other end of the arm body 42a. The arm support shaft 42b is a shaft for swingably attaching to the support hole 41c of the second arm support member 41, and the roller support shaft 42c is a member for mounting the cleaning roller 43.

FIG. 4 is a plan view showing a state after tape loading of the magnetic recording / reproducing apparatus according to the present invention. The magnetic tape T4 is pulled out from the supply side reel T2 of the cassette tape T, wound around the drum 22 via the tension pole 24, the guide 26b and the pole 26c of the supply side loading pole 26, and the pole 27c and the guide of the winding side loading pole 27. 27b, cleaning roller
The magnetic tape T4 is sent by pressing the pinch roller 39 against the capstan 14a via the tape guide 41b of the unit 33, and the magnetic tape T4 is transmitted via the tape guide 37b of the capstan unit 32 and the moving tape guide 31. This indicates that the reel has been returned to the take-up reel side T3.

The running path of the magnetic tape T4 from the supply side reel T2 to the supply side loading pole 26 with the drum 22 as a boundary, and the winding side loading pole 27 with the drum 22 as a boundary. The running path of the magnetic tape T4 from to the take-up reel T3 is referred to as a take-up run system TU.

The operation of the magnetic recording / reproducing apparatus 1 described above will be described with reference to the following drawings. FIGS. 5A and 5B are explanatory diagrams of the operation of the magnetic recording / reproducing apparatus according to the present invention. FIG. 5A shows a magnetic recording / reproducing apparatus 100 of a comparative example, and FIG. 1 is shown. (A) shows the fixed tape guides 128 and 129 arranged on the main chassis 121 as separate components. On the other hand, (b) shows that the part corresponding to the fixed tape guide 128 of (a) is integrally formed on the second arm support member 41 of the cleaning roller unit 33, and the part corresponding to the fixed tape guide 129 is formed. It is formed integrally with the first arm support member 37 of the pinch roller unit 32.

Accordingly, (b) is smaller than the area (a) by the area S indicated by oblique lines. Further, a part corresponding to the fixed tape guide 128 is formed integrally with the second arm support member 41 of the cleaning roller unit 33, and a part corresponding to the fixed tape guide 129 is formed on the first arm of the pinch roller unit 32. Since it is formed integrally with the support member 37, the number of components can be reduced and the magnetic recording / reproducing apparatus 1 can be simplified.

FIG. 6 is a side sectional view of a pinch roller unit according to another embodiment of the present invention. The same components as those of the pinch roller unit 32 shown in FIG. 2 are denoted by the same reference numerals, and detailed description thereof will be omitted. Pinch roller unit 52
The first arm support member 57 erected on the main chassis 21, the first arm 38 swingably attached to the first arm support member 57, and the first arm 38
And a pinch roller 39 rotatably mounted on the pinch roller. The first arm support member 57 includes a support member main body 57a and a tape guide 57b as one of a plurality of tape guides rotatably attached to the support member main body 57a. Reference numeral 57c denotes a support hole for the arm support shaft of the first arm 38 formed on the inner periphery of the support member main body 57a.

FIG. 7 is a side sectional view of a cleaning roller unit according to another embodiment of the present invention. The same parts as those of the cleaning roller unit 33 shown in FIG. 3 are denoted by the same reference numerals, and detailed description thereof will be omitted. The cleaning roller unit 53 includes a second
Arm support member 61 and the second arm support member 6
The second arm 42 includes a second arm 42 swingably mounted on the first arm 42 and a cleaning roller 43 rotatably mounted on the second arm 42. The second arm support member 61 includes a support member main body 61a and a tape guide 61b as one of a plurality of tape guides rotatably attached to the support member main body 61a. Reference numeral 61c denotes a support hole for the arm support shaft of the second arm 42 formed on the inner periphery of the support member main body 61a.

1 to 3, in the embodiment, a tape guide 37b is formed on the first arm support member 37 and a tape guide 41 is formed on the second arm support member 41.
Although the magnetic recording / reproducing apparatus 1 in which b is formed has been described,
A magnetic recording / reproducing device in which the tape guide 37b is formed only on the first arm support member 37, or a magnetic recording / reproducing device in which the tape guide 41b is formed only on the second arm support member 41 is also included.

As shown in FIG. 2, the tape guides 37b and 57b as one of the plurality of tape guides
May be formed integrally with the arm support member 37, or as shown in FIG. 6, the tape guide 57b may be formed separately and attached. The tape guides 41b and 61b as one of the plurality of tape guides may be formed integrally with the second arm support member 41 as shown in FIG. 3, or as shown in FIG.
May be formed separately and attached.

[0031]

According to the present invention, the following effects are exhibited by the above configuration. According to a first aspect of the present invention, the pinch roller is configured to be swingable by the first arm and the first arm support member, and the first arm support member is arranged near the magnetic tape traveling path. Is supported by the first arm support member, so that the magnetic recording / reproducing apparatus can be simplified. Therefore, assembling of the magnetic recording / reproducing apparatus can be facilitated.

According to a second aspect of the present invention, the cleaning roller can be swung by the second arm and the second arm supporting member, and the second arm supporting member is disposed near the magnetic tape traveling path. Since one of the tape guides is supported by the second arm support member, the simplification of the magnetic recording / reproducing apparatus can be achieved. Therefore, assembling of the magnetic recording / reproducing apparatus can be facilitated.

According to a third aspect of the present invention, the pinch roller is configured to be swingable by the first arm and the first arm supporting member, and the first arm supporting member is disposed near the magnetic tape traveling path, and the plurality of tapes are provided. One of the guides is supported by the first arm support member, and the cleaning roller is configured to be swingable by the second arm and the second arm support member. Place it near,
Since one of the plurality of tape guides is supported by the second arm support member, the magnetic recording / reproducing apparatus can be further simplified, and the magnetic recording / reproducing apparatus can be downsized.

[Brief description of the drawings]

FIG. 1 is a plan view of a magnetic recording / reproducing apparatus according to the present invention.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a plan view showing a state after tape loading of the magnetic recording / reproducing apparatus according to the present invention.

FIG. 5 is a diagram illustrating the operation of the magnetic recording and reproducing apparatus according to the present invention.

FIG. 6 is a side sectional view of a pinch roller unit according to another embodiment of the present invention.

FIG. 7 shows a cleaning roller according to another embodiment of the present invention.
Unit side sectional view

FIG. 8 is a plan view of a conventional magnetic recording / reproducing apparatus.

FIG. 9 is a plan view showing a state after tape loading of a conventional magnetic recording / reproducing apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Magnetic recording / reproducing apparatus, 14a ... Capstan, 22 ...
Drum, 31 ... Tape guide (moving tape guide), 3
7, 57: first arm support member, 37b, 57b: tape guide, 38: first arm, 39: pinch roller, 41, 61: second arm support member, 41b, 61
b: tape guide, 42: second arm, 43: cleaning roller, T4: magnetic tape.

Claims (3)

[Claims] 1. A magnetic recording / reproducing apparatus in which a capstan, a pinch roller and a plurality of tape guides are arranged on a traveling path of a magnetic tape wound around a drum, wherein the pinch roller is supported by a first arm and a first arm support. The first arm supporting member is arranged in the vicinity of the traveling path, and one of the tape guides is supported by the first arm supporting member. Magnetic recording and reproducing device. 2. A magnetic recording / reproducing apparatus in which a capstan, a pinch roller, and a plurality of tape guides are arranged on a traveling path of a magnetic tape wound around a drum, wherein a cleaning roller for cleaning is arranged along the drum. The cleaning roller is configured to be swingable by a second arm and a second arm support member, and the second arm support member is arranged near the traveling path, and one of the tape guides is connected to the second arm and the second arm support member. 2. A magnetic recording / reproducing apparatus, wherein the magnetic recording / reproducing apparatus is supported by an arm support member. 3. A magnetic recording / reproducing apparatus in which a capstan, a pinch roller, and a plurality of tape guides are arranged on a traveling path of a magnetic tape wound around a drum, wherein the pinch roller is supported by a first arm and a first arm. The first arm supporting member is arranged near the traveling path, and one of the tape guides is supported by the first arm supporting member, and the drum is cleaned by the member. And a second arm and a second arm supporting member are configured to be able to swing with the cleaning roller, and the second arm supporting member is arranged near the traveling path, A magnetic recording / reproducing apparatus, wherein one of the tape guides is supported by the second arm support member.