JP2002260363A - Tape cartridge and recording and/or reproducing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tape cartridge which prevent the wobbling of a leader block arranged in a cartridge and a take up reel and to provide a recording and/or reproducing device. SOLUTION: The tape cartridge is provided with a leader block 14 equipped at one end of a magnetic tape 9, a tape reel 10 which winds the magnetic tape 9, and a cartridge main body 2 which has an opening part 15 facing part of leader block 14 outside, and houses the tape reel 10 rotatably. The leader block 14 is provided with a location notch 53 which guides the insertion of the leader block 14 into the cartridge main body 2, a location notch 54 which guides the insertion into a take up reel 64 for taking up the magnetic tape 9, a recessed part for fitting 55 to position the leader block 14 in the cartridge main body 2, and a recessed part for fitting 56 to position the leader block 14 in the take up reel 64. The opening part 15 has a positioning protrusion 15a which fits in the location notch 53 to guide the insertion of the leader block 14 into the cartridge main body 2, and an engaging protrusion 16a which engages with the recessed part for fitting 55 to position the leader block 14 in the cartridge main body 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] 1. Field of the Invention [0002] The present invention relates to a tape cartridge having a leader block to which a magnetic tape is attached, and a recording and / or reproducing apparatus for the tape cartridge.

[0002]

2. Description of the Related Art Conventionally, there is a tape recording and / or reproducing apparatus using a single reel type tape cartridge. In this tape recording and / or reproducing apparatus, when a single-reel type tape cartridge is inserted, it is necessary to pull out a tape-shaped recording medium wound in the cartridge body and wind it around a take-up reel in the apparatus body. is there.

For this reason, in this tape cartridge, a leader block which is engaged with a tape pull-out mechanism provided on the recording and / or reproducing apparatus side is connected to the leading end of the tape-shaped recording medium. It is held facing the outside through an opening provided in the main body.
Further, the take-up reel in the apparatus main body is pulled out by a tape pull-out mechanism, and a leader block holding portion for holding a leader block conveyed by a conveying mechanism is formed. After the leader block is held in the leader block holding portion, ,
Wind the magnetic tape.

[0004] The leader block is disposed in a leader block storage portion which is large enough to store the leader block in the cartridge body. The leader block storage portion is formed near an opening formed in the cartridge main body, and the opening is closed when the leader block is stored.

In the take-up reel, the leader block is formed on a reel hub of the take-up reel, and is inserted into a leader block holding portion formed so that the leader block can be inserted therein. The leader block holding portion is formed by cutting out a part of a reel flange and a reel hub of a take-up reel in a center direction, and into which a leader block transported by a transport mechanism of the apparatus main body is inserted. The leader block holding portion has a wide open end so that the leader block can be inserted.

[0006]

Since the leader block storage section and the leader block holding section formed on the cartridge body and the take-up reel need to be able to insert and remove the leader block, the leader block is provided. At this time, a certain clearance is provided between the leader block, the leader block storage section and the leader block holding section.

Therefore, the leader block cannot be positioned in the cartridge main body or the take-up reel, and rattling occurs.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a tape cartridge and a recording and / or reproducing apparatus for preventing rattle of a leader block provided in a cartridge main body and a take-up reel.

[0009]

In order to solve the above-mentioned problems, a tape cartridge to which the present invention is applied includes a leader block provided at one end of a magnetic tape and a magnetic tape provided with the leader block. A rotating tape reel, an opening for exposing a part of the leader block to the outside is provided, and a cartridge body for rotatably storing the tape reel is provided. Either the first positioning groove or the first positioning protrusion for guiding the insertion when inserted into the main body, and the insertion when being inserted into the take-up reel for winding the magnetic tape. And guide positioning
One of the positioning groove or the second positioning protrusion, the one of the first locking recess or the first locking protrusion for positioning the leader block in the cartridge body, and the magnetic member. One of a second locking concave portion and a second locking convex portion for positioning the leader block in the take-up reel for winding the tape is provided, and the opening is provided in the leader block. Either the positioning protrusion or the positioning groove that guides the insertion of the leader block into the cartridge body and performs positioning by being fitted into either the first positioning groove or the first positioning protrusion. By engaging either one of the first locking concave portion and the first locking convex portion provided in the leader block, Locking projections or locking recesses for positioning in cartridge body is provided.

A recording and / or reproducing apparatus to which the present invention is applied is characterized in that a cartridge mounting portion for mounting a tape cartridge on which a magnetic tape having a leader block provided at one end is mounted, and one end of the magnetic tape are provided. A tape pull-out member having an engagement shaft engaged with the engagement portion of the leader block provided in the tape cartridge, a winding mechanism for winding the magnetic tape pulled out by the tape pull-out member, and mounting the tape pull-out member in a cartridge. A tape cartridge mounted on the portion, and a transport mechanism for transporting the tape cartridge over the winding mechanism, wherein the winding mechanism is fitted with one of a positioning groove or a positioning protrusion provided in the leader block. Alignment guides or positioning grooves that guide the insertion of the leader block into the winding mechanism by positioning A locking projection or a locking recess for positioning the leader block by the winding mechanism by engaging either one of the locking recesses or the locking projections provided in the leader block. Is formed.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a tape cartridge and a recording and / or reproducing apparatus to which the present invention is applied will be described with reference to the drawings. As shown in FIG. 1, a tape cartridge 1 to which the present invention is applied includes a cartridge body 2 in which a pair of upper and lower halves 3 and 4 are butt-joined, and a tape in which a magnetic tape 9 is wound and housed in the cartridge body 2. The tape cartridge 1 includes a reel 10 and a reel lock 11 that prevents the tape reel 10 from floating when not in use, when the tape cartridge 1 is not mounted on a recording and / or reproducing apparatus. When the tape cartridge 1 is inserted into the recording and / or reproducing apparatus, the engagement of the reel lock 11 with the tape reel 10 is released, and the leader block 14 on which the magnetic tape 9 is clamped is moved to the recording and / or reproducing apparatus. The magnetic tape 9 is drawn out by the tape pulling-out mechanism on the side and guided to a take-up reel in the recording and / or reproducing apparatus, and is wound around the take-up reel.

As shown in FIGS. 1, 2 and 3, the upper and lower halves 3 and 4 constituting the cartridge body 2 are AB
A synthetic resin such as an S resin is formed into a substantially rectangular shape by injection molding or the like. The upper and lower halves 3 and 4 are formed in such a size that the tape reel 10 around which the magnetic tape 9 is wound when the cartridge main body 2 is formed is rotatably housed. The upper and lower halves 3 and 4 are provided with rising walls 6 and 7, which constitute the outer peripheral wall 5 of the cartridge body 2 when the upper and lower halves 3 and 4 abut against each other.
Further, the upper and lower halves 3 and 4 are formed so as to be inscribed in the rising walls 6 and 7 and form a substantially arc-shaped partition wall constituting the partition wall 22 in the cartridge body 2 when the upper and lower halves 3 and 4 are abutted. A wall 22a is formed. And
The upper and lower halves 3 and 4 are butted, and the cartridge body 2
Is constructed, the outer peripheral wall 5 is provided in the cartridge body 2.
And the partition wall 22 constitute a tape reel storage unit 23 for storing the tape reel 10.

On the outer peripheral wall 5 of the cartridge body 2, a reel unlocking member provided on the recording and / or reproducing device side from the end of the recording and / or reproducing device insertion end side surface 2a to one side surface 2b. A groove 8 for entering a reel lock releasing member into which the groove 17 is inserted is formed. The reel lock releasing member entry groove 8 is formed on one side surface of the upper half 3 or the lower half 4 by opening one end of a recording and / or reproducing device insertion end side surface and forming a substantially U-shaped cross section in one side 2b direction. Is formed by notching over the area. The reel lock release member entry groove 8 has a substantially rectangular cutout on the lower surface side, and is provided with a shutter arrangement hole 8a in which a shutter member 12 described later is movably arranged.

As shown in FIG. 4, a reel lock 11 for preventing the tape reel 10 from floating, which will be described later, is provided near the groove 8 for entering the reel lock releasing member. The reel unlocking member entry groove 8 is disposed in the cartridge body 2 and is closed by a shutter member 12 for preventing the inside of the cartridge body 2 from being exposed to the outside. Then, the reel lock release member entry groove 8
Releases the lock of the tape reel 10 by pressing the reel lock 11 through the shutter member 12 provided on the recording and / or reproducing apparatus side when the tape cartridge 1 is inserted into the recording and / or reproducing apparatus. Then, the reel unlocking member 17 is advanced.

Also, the reel lock releasing member entry groove 8 is
By being formed on one of the upper half 3 and the lower half 4, the cartridge body 2 is formed so as to be biased toward the upper end or the lower end in the thickness direction of the cartridge main body 2. As a result, when the tape cartridge 1 is inserted into the recording and / or reproducing apparatus as shown in FIG. It is possible to prevent the reel lock release member 17 provided corresponding to the release member entry groove 8 from being brought into contact with the outer peripheral wall 5 of the cartridge body 2 and being inserted to the loading position.

As shown in FIG. 4, the shutter member 12, which is disposed in the reel unlocking member entry groove 8 and prevents dust and the like from entering the cartridge body 2, is formed in a substantially flat plate. Shutter section 12 for preventing ingress of air
a, provided at one end of the shutter unit 12a,
Or, a reel unlocking member 17 provided on the reproducing apparatus side
And a second pressing portion 12d provided via the pressing portion 12b and the connecting portion 12c and pressing the reel lock 11.

The shutter member 12 is movably supported by a shutter guide groove 13 formed on one side surface 2b corresponding to the reel unlocking member entry groove 8 of the upper and lower halves 3 and 4 shown in FIG. . As shown in FIG. 2, the shutter member 12 is supported by the shutter guide groove 13, so that the shutter portion 1 is formed on one side 2 b of the shutter arrangement hole 8 a formed in the reel unlocking member entry groove 8.
2a, and a first pressing portion 12b is provided on the side surface 2a on the recording and / or reproducing device insertion side. As a result, in the cartridge main body 2, the shutter arrangement hole 8a of the reel unlocking member entry groove 8 is closed and closed from the outside.

The shutter member 12 has a second pressing portion 12d.
Are in contact with a pressing shaft of a reel lock 11 described later. Then, the shutter member 12 is pressed by the second pressing portion 1 by the biasing force of the torsion coil spring biasing the reel lock 11.
2d is pressed and urged in the direction of arrow A in FIG.

When the tape cartridge 1 is inserted into the recording and / or reproducing apparatus, the shutter member 12
When the reel unlocking member 17 provided on the recording and / or reproducing apparatus enters through the reel unlocking member entry groove 8 and presses the first pressing portion 12b, the urging force of the torsion coil spring of the reel lock 11 is reduced. 4 is pressed in the direction of the arrow A in FIG. As a result, the pressing shaft of the reel lock 11 that is in contact with the second pressing portion 12d is pressed in the direction indicated by the arrow A in FIG.

When the tape cartridge 1 is ejected from the recording and / or reproducing apparatus, the shutter member 12
FIG. 4 shows that the second pressing portion 12d abutting on the pressing shaft is pressed by the biasing force of the torsion coil spring of the reel lock 11.
It is pressed in the direction of the middle arrow A to close the reel unlocking member entry groove 8 of the cartridge body 2.

As described above, the shutter member 12 is always used when the tape cartridge 1 is not inserted into the recording and / or reproducing apparatus when it is not used.
Is closed. Therefore, it is possible to prevent dust and the like from entering the cartridge body 2 and contaminating the magnetic tape 9. Thus, it is possible to prevent the recording / reproducing characteristics of the magnetic tape 9 from deteriorating.

Further, as shown in FIG.
A tape drawing hole 15 from which the magnetic tape 9 is drawn is formed. The tape pull-out hole 15 is formed by cutting out the other end of the recording and / or reproducing apparatus insertion side surface 2a of the upper and lower halves 3 and 4 and abutting the notches. The tape pull-out hole 15 has a leader block 14 in which the other end of the magnetic tape 9 is clamped inside, and the leader block 14 faces outward.

As shown in FIG. 6, the tape draw-out hole 15 is formed on the lower half 4 with a positioning projection 15a for guiding the leader block 14 into the cartridge body 2 and positioning the leader block 14. . The positioning projection 15a is provided so as to protrude in the insertion / removal direction of the leader block 14, and has a substantially V-shaped distal end. When the leader block 14 is inserted into the tape drawing hole 15, the positioning projection 15 a enters the positioning groove 53 formed in the leader block 14, and the substantially V-shaped tip portion also has a substantially V-shaped shape. By abutting against the tip of the positioning groove 53 thus formed, the insertion of the leader block 14 into the cartridge body 2 can be guided, and the positioning of the leader block 14 within the cartridge body 2 can be achieved.

As shown in FIG. 7, the tape drawing hole 15 is provided with an elastic leader block pressing piece 16 on the upper half side. The leader block pressing piece 16 is formed with a locking projection 16a that protrudes toward the lower half and engages with a locking recess 55 formed on the upper surface of the leader block 14 housed in the cartridge body 2. ing. When the leader block 14 is inserted into the cartridge main body 2 from the tape drawing hole 15, the locking convex portion 16 a is elastically displaced by the leader block pressing piece 16, and the locking convex portion 16 a By engaging, the leader block 14 housed in the cartridge main body 2 can be positioned, and rattling can be prevented. That is, a certain clearance is provided between the positioning groove 53 formed on the lower surface side of the leader block 14 and the positioning protrusion 15 a provided on the lower half 4 side in order to smoothly insert and remove the leader block 14. ing. Therefore, the locking projection 16a protruding from the leader block pressing piece 16 is locked in the locking recess 55, and pressing the leader block 14 causes the positioning projection 15
The rattling of the leader block 14 in which the positioning groove 53 is inserted in the position a is prevented.

As shown in FIG. 3, a reel driving unit for rotating the tape reel 10 on the recording and / or reproducing apparatus side is inserted substantially at the center of the bottom plate 18 of the lower half 4. An insertion hole 19 is formed.

The tape reel 10 around which the magnetic tape 9 is wound and rotatably stored in the tape reel storage section 23 of the cartridge main body 2 is, as shown in FIG.
And a pair of reel flanges 25 and 26 attached to both sides of the reel hub 24.

The reel hub 24 has one end of the magnetic tape 9 attached thereto. In addition, the reel hub 24 is
On the 8a side, an engaging portion 30 that is engaged with the drive shaft of the recording and / or reproducing device is formed. The engaging portion 30 faces outward from the reel driving portion insertion hole 19, and when the tape cartridge 1 is inserted into the recording and / or reproducing device, the reel provided on the recording and / or reproducing device side. It is engaged with the reel drive unit of the rotation drive mechanism and driven to rotate.

The reel flanges 25 and 26 formed at the upper and lower ends of the reel hub 24 are
The winding position of the magnetic tape 9 wound around is regulated. As shown in FIG. 1, the reel flanges 25 and 26 are formed in a substantially disk shape, and a joining pin is inserted into the upper and lower surfaces of the reel hub and joined by heat caulking. As shown in FIG. 4, at least the upper reel flange 25 has, on the outer peripheral portion thereof, engaging teeth 27 a serving as regulating portions 27 for restricting the movement of the tape reel 10 by engaging the reel lock 11. Have been. In the restricting portion 27, engagement teeth 27 a to be engaged with the reel lock 11 are formed at regular intervals over the entire circumference of the upper reel flange 25.

The reel lock 11, which restricts the movement of the tape reel 10 by engaging with the engaging teeth 27a,
As shown in FIGS. 4 and 8, a lock portion 34 having a restricting convex portion 33 that engages with the engaging teeth 27 a, a torsion coil spring 35 that urges the lock portion 34 toward the tape reel 10, and a lock portion 34. And a support shaft 36 which is inserted through the torsion coil spring 35 and instructs the torsion coil spring 35 to be rotatable.

The locking portion 34 is provided with the engaging teeth 27 of the regulating portion 27.
a regulating arm 3 formed with a regulating convex portion 33 engaged with a.
7, a rotating plate 38 integrally formed on the lower surface side of the regulating arm 37, and a shutter member protruding from a tip end of the rotating plate 38 and disposed in the reel unlocking member entry groove 8. The pressing shaft 39 is in contact with the second second pressing portion 12d. The regulating protrusion 33 is formed with a plurality of teeth protruding toward the upper reel flange 25, and is brought into proximity to the tape reel 10 side, so that the engaging teeth of the regulating portion 27 formed on the outer periphery of the upper reel flange 25 are formed. 27a. In the regulating arm 37, an insertion hole through which the support shaft 36 is inserted is formed in the rotating portion 41 on the base end side of the arm. A rotating plate 38 provided integrally with the rotating portion 41 on the lower surface side of the rotating portion 41 extends toward the reel lock releasing member entrance groove 8, and a pressing shaft 39 is protruded from a distal end portion. ing. The pressing shaft 39 is in contact with the second pressing portion 12d of the shutter member 12 provided in the reel unlocking member entry groove 8 of the cartridge body 2, and transmits the urging force of the torsion coil spring 35 to the shutter member 12, When the tape reel 1 is inserted into the recording and / or reproducing apparatus, the reel lock release member 17
The pressing force from the tape reel 10 is transmitted to the lock unit 34.
To unlock.

The lock portion 3 disposed below the lock portion 34
Torsion coil spring 35 for urging tape 4 toward tape reel 10
The support shaft 36 is inserted through the center insertion hole, and one end is formed with a locking piece 42 formed inside the one side surface 2b of the cartridge body.
, And the other end is locked by the regulating arm 37 of the lock portion 34. Thereby, the torsion coil spring 35 constantly urges the regulating arm 37 of the lock portion 34 toward the tape reel 10 and prevents the tape reel 10 from floating due to the engagement of the regulating protrusion 33 and the engaging teeth 27a. At the same time, the pressing shaft 39 projecting from the tip of the rotating plate is urged in the direction of arrow A in FIG. Thereby, the cartridge body 2
The second pressing portion 12d of the shutter member 12 is
9 and is always closed by the shutter member 12.

A support shaft 36, which is rotatably supported by inserting the rotating portion 41 of the lock portion 34 and the torsion coil spring 35, is provided with a base 43 provided in the lower half of the cartridge body and protruding from the base 43. And an insertion shaft 44 through which the insertion hole of the torsion coil spring 35 is inserted. The base 43 is formed of a substantially cylindrical body, and has substantially the same diameter or an enlarged diameter as the rotation portion 41 and the insertion hole of the torsion coil spring 35, and stably supports the lock portion 34 and the torsion coil spring 35 inserted through the insertion shaft 44. are doing. Also, the base 43
The engaging teeth 27a of the restricting portion 27 in which the restricting convex portion 33 of the lock portion 34 is formed around the upper reel flange 25
Are formed at a height arranged at a position facing each other.

The reel lock 11 having such a configuration
The locking piece 42 and the locking portion 3 in which the torsion coil spring 35 is formed inside the one side surface 2 b of the cartridge body 2.
In the normal state, as shown in FIG. 9, the lock portion 34 is urged to the tape reel 10 side, and is disposed in the cartridge main body 2 in a state where the movement of the tape reel 10 is regulated. Have been.

When the tape cartridge 1 is inserted into the recording and / or reproducing apparatus, the reel lock 11
The reel unlocking member 17 provided on the recording and / or reproducing device side is the first pressing portion 12 of the shutter member 12.
b, and the pressing shaft 39 is pressed by the second pressing portion 12d, so that the locking portion 34 is urged in the direction indicated by the arrow A in FIG.
It is rotated in the direction of the middle arrow B. As a result, as shown in FIG. 10, in the reel lock 11, the restriction projection 33 is disengaged from the engagement teeth 27 a of the upper reel flange 25, and the tape reel 10 can be rotated.

The reel unlocking member 17 provided on the recording and / or reproducing apparatus side always presses the pressing shaft 39 via the shutter member 12 while the tape cartridge 1 is mounted in the recording and / or reproducing apparatus. 4, the reel lock 11 is maintained in a state of being rotated in the direction of arrow B in FIG. Therefore, the tape reel 10 is always rotatable.

The tape cartridge 1 is used for recording and / or
Alternatively, when the reel lock release member 17 is ejected from the playback device, the reel lock release member 17 also retreats from the cartridge main body 2. 34 is urged toward the tape reel 10. Thereby, the reel lock 1
1 prevents the tape reel 10 from floating by engaging the regulating protrusion 33 of the lock portion 34 with the engaging teeth 27a of the upper reel flange 25.

On the magnetic tape 9 wound on such a tape reel 10, information signals such as audio signals, video signals, and processing data processed by a computer are recorded. At the leading end of the magnetic tape 9 wound around the tape reel 10, a leader block 14 which is gripped by a tape pull-out member of a tape pull-out mechanism in a recording and / or reproducing apparatus and guided by a take-up reel is attached. I have.

As shown in FIGS. 11 to 13, the leader block 14 includes a sleeve of a tape pull-out member provided on the apparatus main body and an engaging portion 47 into which an engaging shaft projecting downward from the sleeve is inserted. , An upper engaging step portion 48 formed on the upper side of the engaging portion 47 and engaged with the lower surface portion of the sleeve.
And a lower engaging step 49 formed on the lower side of the engaging portion 47 and engaged with the flange of the engaging shaft.

The engaging portion 47 and the upper and lower engaging step portions 4
In FIGS. 8 and 49, as shown in FIGS. 11 and 12, the engaging shaft of the tape pull-out member and the abutting portion against which the lower surface of the sleeve abuts are formed in a substantially C shape. The leader block 14 includes the engaging portion 47 and the upper and lower engaging step portions 4.
The engagement shafts 8 and 49 are engaged with the tape pull-out member by abutting the engagement shafts. Thereby, the leader block 14
Is positioned at the time of engagement, and rotation and rattling during transport of the leader block 14 are prevented.

The upper engaging step portion 48 has a positioning portion 48a corresponding to a flange formed on the engaging shaft. The positioning portion 48a has an inclined surface extending from the upper engaging step portion 48 to the engaging portion 47. When the leader block 14 is engaged with the tape pull-out member, the positioning portion 48a is brought into contact with the flange formed on the engagement shaft. Therefore, leader block 1
4 is securely engaged with the engagement shaft.

The leader block 14 is provided with an engaging portion 47.
A positioning step 50 is formed between the lower engaging step 49 and the lower engaging step 49 so that a flange formed on the engaging shaft abuts. The positioning step 50 has a butting portion formed in a substantially C-shape, and a part of the inner peripheral side corresponds to a chamfered portion formed on a flange of the engaging shaft at a part of the butting portion. Rotation restricting section 51 provided to restrict rotation of leader block 14
Are formed. As shown in FIG. 12, the rotation restricting portion 51 is formed in a substantially chordal shape on a part of the abutting portion formed in an arc shape. A chamfered portion formed on a flange of the engagement shaft, which is also formed in a substantially chord shape, is abutted against the rotation restricting portion 51. The positioning step 50
Has a positioning portion 52 formed of an inclined surface provided corresponding to the flange of the engagement shaft. Positioning unit 52
When the leader block 14 is engaged with the tape pull-out member, the flange of the engagement shaft is abutted. This allows
The leader block 14 is positioned when the tape pull-out member is engaged, so that rotation and rattling during transport are prevented.

As shown in FIG. 12, the leader block 14 has positioning grooves at both ends on the lower surface for positioning when the leader block 14 is locked in the cartridge body 2 or the recording and / or reproducing apparatus. 53 and 54 are formed. The positioning grooves 53 and 54 are provided with the positioning protrusions 15 provided in the cartridge body 2 and the take-up reel.
The guides a and 71 guide the insertion and positioning of the leader block 14 in the cartridge body 2 and the take-up reel. The positioning groove 53 formed at the rear end of the lower surface of the leader block 14 is formed by forming a substantially rectangular concave groove from substantially the center of the back surface of the leader block 14 to the vicinity of the lower engaging step 49 of the lower surface. The positioning groove 53 is formed such that the opening end formed on the back side of the leader block 14 is widened in a substantially C shape, and the tip portion is formed in a V shape. The positioning groove 5 formed at the front end of the lower surface of the leader block 14.
4 has a substantially rectangular concave groove formed from the substantially central portion of the front surface of the leader block 14 to the vicinity of the lower engaging step portion 49 on the lower surface. Like the positioning groove 53, the positioning groove 54 has an open end that is widened in a substantially C-shape and has a V-shaped tip. Therefore, the positioning groove 5
The positioning protrusions 15a, 71, which are also formed in a V-shape, are easily guided by the positioning protrusions 15a, 71 from the widened opening ends. By being abutted against the tip, the positioning of the leader block 14 can be reliably achieved.

As shown in FIG. 11, the leader block 14 has locking recesses 55 and 56 on its upper surface for positioning when locked in the cartridge body 2 or the recording and / or reproducing apparatus. ing. Leader block 1
When the leader block 14 is locked in the cartridge main body 2, the locking recess 55 formed at the rear end of the tape pull-out hole 1 of the cartridge main body 2 shown in FIG.
The locking protrusion 16a pressed by the leader block pressing piece 16 provided on the upper surface side of 5 is engaged. Thus, the positioning of the leader block 14 in the cartridge main body 2 is achieved, and rattling is prevented. When the leader block 14 is disposed in the take-up reel, the locking recess 56 formed at the front end of the leader block 14
The locking projection 74 pressed by the leader block pressing piece 73 of the take-up reel is engaged. Thereby, the leader block 14 is positioned within the take-up reel, and rattling is prevented.

Next, a recording and / or reproducing apparatus into which such a tape cartridge 1 is inserted will be described.

This recording and / or reproducing apparatus 60 is the same as that shown in FIG.
As shown in FIG. 4, this is a recording and / or reproducing apparatus for recording or reproducing a single-reel type tape cartridge. A rotating magnetic head device 63 that slides on the tape 9 to record or reproduce information, a take-up reel 64 that constitutes a take-up mechanism that takes up the magnetic tape 9 conveyed into the device;
Engage with a leader block 14 provided at the leading end of the magnetic tape 9, and attach the leader block 14 to the cartridge body 2.
Transport mechanism 65 for transporting between the reel and the take-up reel 64
And

Then, the recording and / or reproducing device 60
A take-up reel 64 and a cartridge mounting mechanism 62 are arranged on a base plate 77 with a rotary magnetic head device 63 interposed therebetween. The recording and / or reproducing device 60 records or reproduces an information signal by bringing the magnetic tape 9 conveyed from the tape cartridge 1 to the take-up reel 64 into sliding contact with the rotary magnetic head device 63 in a substantially M-shape. I do.

The cartridge mounting mechanism 62 for mounting the tape cartridge 1 and loading and unloading the tape cartridge 1 is provided on a base plate 77 as shown in FIGS. 14 and 15, and performs recording and / or reproduction. The vertical movement of the frame 86 on which the tape cartridge 1 inserted from the cartridge insertion slot of the device 60 is mounted and the reel drive unit 110 which rotatably engages the tape reel 10 of the tape cartridge 1 mounted on the frame 86 is restricted. And a slide plate 88 for moving the reel driving unit regulating plate 87 close to and away from the tape reel 10, and a top plate 89 disposed on the upper part of the frame 86 for inserting and removing the tape cartridge 1. Prepare.

The frame 86 on which the tape cartridge 1 is mounted is formed by bending a metal plate into a substantially U-shape. 92,93. The bottom plate 91 is provided substantially at the center corresponding to the reel drive unit insertion hole 19 formed on the lower surface of the cartridge body 2, and the height of the reel drive unit is regulated by a reel drive unit regulating plate 87 described later. An opening 94 through which the hole 110 is inserted is formed. The bottom plate 91 has insertion holes 95 and 96 on both sides on the insertion end side of the tape cartridge 1, through which identification protrusions 132 provided on the reel drive unit restriction plate 87 for identifying the type and the like of the tape cartridge 1 are inserted.
And positioning holes 97 and 98 formed in the reel driving portion regulating plate 87 and through which positioning protrusions 133 for positioning the cartridge main body 2 are inserted.

The side plates 92 and 93 rising from the left and right of the bottom plate 91 are formed at substantially the same height as the cartridge main body 2, and the end of the cartridge main body 2 facing the insertion opening of the tape cartridge 1 is provided at the end. Insertion end side 2
A locking piece 100 to which a is locked is formed.

The side plates 92 and 93 are formed with substantially L-shaped bent portions 101 and 102 in the longitudinal direction. In the side plates 92 and 93, a pinion 104 for moving a slide plate 88, which will be described later, is disposed substantially at the center of the bent portions 101 and 102 in the longitudinal direction. This pinion 10
4 is a rotating shaft 10 bridged between the side plates 92 and 93.
5 are attached to both ends. This pinion 104
Are rack gears 120 formed on the slide plate 88.
The slide plate 88 is moved in the direction indicated by the arrow D in FIG.

Further, as shown in FIG. 16, the side plate 92 has a reel unlocking member at a position corresponding to the reel unlocking member entry groove 8 formed from the insertion end side surface 2a to the one side surface 2b of the cartridge body 2. 17 are formed. The reel unlocking member 17 is provided so that the tape cartridge 1 is mounted on the frame 8 of the cartridge mounting section 72.
6, the cartridge member 2 enters the reel lock release member entry groove 8 of the cartridge body 2 and the shutter member 1
The second first pressing portion 12b is brought into contact with the second pressing portion 12b. Thus, as the cartridge body 2 is inserted into the frame 86, the reel lock release member 17 presses the shutter member 12 in the direction indicated by the arrow A in FIG. It is urged to rotate in the direction of the middle arrow B. Therefore, the tape cartridge 1 is
6, the locked state of the reel lock is released, and the tape reel 10 is made rotatable.

The side plate 93 is provided with a cartridge lock member 108 for holding the tape cartridge 1 in the cartridge mounting mechanism 62. The cartridge lock member 108 includes a substantially hook-shaped locking portion 108 a having an inclined surface formed on the insertion end side of the tape cartridge 1, and a lock arm 108 b for rotating the locking portion 108 a inside and outside the frame 86. A support protrusion 108c for rotatably supporting the lock arm 108b;
A pivot pin 108d extending downward from FIG. 8b to pivot the lock arm 108b.
15 is always rotated in the direction of arrow E in FIG. 15 by the torsion coil spring provided on the support projection 108c so that the locking portion 108a faces the inside of the frame 86. When the tape cartridge 1 is inserted into the cartridge mounting mechanism 62, the locking portion 108a is pushed out of the frame 86 by the side surface of the tape cartridge 1 so that the tape cartridge 1 Tape cartridge 1
The locking portion 108a is locked in a locking concave portion formed on the side surface of the lock member 108. Thereby, the cartridge lock member 108
The substantially hook-shaped locking portion 108a is locked in the engagement concave portion of the tape cartridge, and holds the tape cartridge 1 in the cartridge mounting mechanism 62. Further, when the tape cartridge 1 is ejected from the inside of the cartridge mounting mechanism 62, the rotating pin 108d of the cartridge locking member 108 is rotated by a rotating member (not shown) provided in the recording and / or reproducing apparatus. When pressed, the lock arm 108b is turned in the direction indicated by the arrow E in FIG. Thus, the tape cartridge 1 mounted on the frame 86
Can be discharged from inside the cartridge mounting mechanism 62.

As shown in FIG. 15, a reel driving portion regulating plate 87 which is disposed below the frame 86 and regulates the height of the reel driving portion 110 which engages the tape cartridge 1 is made of a metal plate or the like. It is bent and formed in a substantially U-shape.
The reel driving portion regulating plate 87 is disposed substantially at the center of the main surface portion 109, on the base plate 77, and engaged with the engaging portion 30 formed on the lower surface side of the tape reel 10.
An opening 109a from which 10 protrudes is formed. Further, the side projections 111 and 112 formed on the left and right sides of the main surface 109 are provided with slide projections 11 inserted into slide grooves 114 formed in the slide plate 88.
5, 116 are formed. Then, as shown in FIG. 17, the reel driving portion regulating plate 87 is
2 is arranged so as to sandwich the side plates 92 and 93 of the frame 86 from the outside, and is arranged so that the reel drive unit 110 faces the opening 94 of the frame 86.

The reel driving section 110 which engages with the engaging section 30 formed on the lower surface side of the tape reel 10 is formed of a column having substantially the same diameter as the reel hub 24 of the tape reel 10.
A plurality of irregularities are formed so as to be able to engage with the engaging portion 30.
The reel drive unit 110 is disposed on the base plate 77 and protrudes from the opening 109a of the reel drive unit control plate 87. Further, the reel drive unit 110 is urged upward to engage with the engagement unit 30 of the tape reel 10, is locked by the main surface 109 of the reel drive unit regulation plate 87, and is mounted on the bottom plate 91 of the frame 86. The protruding height is regulated. The reel drive unit 110 is driven to rotate by a drive motor (not shown), and rotates the tape reel 10 engaged with the reel drive unit 110.

The slide projections 115 and 116 formed on the side surfaces 111 and 112 are inserted into slide grooves 114 formed on the slide plate 88 and are slid along the inclined surfaces of the slide grooves 114 so as to be reeled. The drive unit regulating plate 87 is moved toward and away from the frame 86. As a result, the reel driving unit regulating plate 87
0 restricts the height of the tape reel 10 and the reel driving unit 1
10 is engaged with the reel hub 24 and the engagement is released.

The slide plate 88 for moving the reel drive unit regulating plate 87 close to and away from the frame 86 includes a slide groove 114 through which slide projections 115 and 116 of the reel drive unit regulating plate 87 are inserted, and both side plates 92 and 93 of the frame 86. And a rack gear 120 that engages with the pinion 104 disposed in the rack. The slide plate 88 is provided on the reel driving unit regulating plate 8.
7 are disposed outside the side portions 111 and 112.

Slide projection 1 of reel drive regulating plate 87
The slide groove 114 into which the tape cartridges 15 and 116 are inserted is formed over the longitudinal direction of the side surface portions 111 and 112 of the reel drive unit regulating plate 87, and is inclined upward toward the insertion end side of the tape cartridge 1. Are formed. The slide groove 114 is provided with the reel driving portion regulating plate 8.
7 are inserted and moved.
A slide protrusion 115 for sliding the slide groove 114,
The slide plate 88 slides in the direction of arrow D in FIG.
8 to move the reel drive regulating plate 87 to the frame 86
Close to. Thereby, the reel driving unit regulating plate 87
The reel drive unit 110 urged upward can be engaged with the reel hub 24 of the tape reel 10 facing the cartridge body 2 on the frame 86.
At this time, the reel driving portion regulating plate 87 is
Since the reel drive unit 110 is moved upward from the reel drive unit 110 engaged with the reel drive unit 110, the reel drive unit 110 can be rotated.

The pinion 104 provided on the frame 86
Is formed on the upper surface side of the slide plate 88. The rack gear 120 is a pinion 1
04, and slide plate 88 slides slide groove 1
The slide protrusions 115 and 116 inserted through the slide 14 are moved in the direction of arrow D or the direction of the opposite arrow D in FIG. Thus, the reel driving unit restriction plate 87 can restrict the vertical movement of the reel driving unit 110.

The top plate 8 disposed on the upper surface side of the frame 86
9 is, as shown in FIG. 15 and FIG.
And a biasing plate 123 disposed on the top plate 122 and biasing the tape cartridge 1 mounted on the frame 86 in a direction in which the tape cartridge 1 is ejected. The top plate 89 is provided with a frame 86
Bent portions 101, 10 formed on side plates 92, 93 of
2 is attached by a screw member.

The urging plate 123 for ejecting the tape cartridge 1 from the cartridge mounting mechanism 62 has a guide groove 126 formed in the insertion / removal direction of the tape cartridge 1, and a guide projection 127 projecting from the top plate 122. Is inserted. The biasing plate 123 is a tension coil spring 128 that constitutes a biasing member that biases the biasing plate 123 near the guide groove 126 toward the insertion end of the tape cartridge 1.
Is locked at one end. Extension coil spring 128
The urging plate 123 is constantly urged in the direction of arrow F in FIG. 15 for ejecting the tape cartridge 1 by locking the other end to the top plate 122. Further, the urging plate 12
3 is a movable concave portion 1 formed in the top plate portion 122 in a substantially U-shape.
A movement guide portion 130 is formed to extend movably at 29 and to guide the movement of the urging plate 123. An abutment plate 130 a against which the insertion end side surface 2 a of the cartridge main body 2 abuts is formed in the movement guide portion 130 toward the frame 86 side. Butt plate 13
0a is that the urging plate 123 is urged by the tension coil spring 128 so that the tape cartridge 1
Is discharged from the cartridge mounting mechanism 62 in the direction of arrow F in FIG.

When the tape cartridge 1 is inserted into the frame 86, the abutting plate 130 a is pressed by the insertion end side surface 2 a of the cartridge main body 2, and the moving guide 130 is moved to the top plate 122. Moving recess 12
9 is moved in a direction opposite to the arrow F in FIG. This allows
The urging plate 123 is moved along the guide groove 126 in the direction opposite to the arrow F in FIG. 15 against the urging force of the tension coil spring 128. Then, the urging plate 123 is configured so that the tape cartridge 1 is
By being held in the frame 86 by 08, it is held in a state of being urged in the direction indicated by the arrow F in FIG. When the urging plate 123 is urged in the direction indicated by the arrow F, the mounting sensor 131 disposed on the top plate 122 detects that the tape cartridge 1 has been mounted on the frame 86.

The urging plate 123 is connected to the cartridge main body 2 by the cartridge lock member 108 of the frame 86.
Is released, the butting plate urges the cartridge body 2 toward the insertion opening of the recording and / or reproducing apparatus 60 by the urging force of the tension coil spring 128, and the tape cartridge 1 is moved from the inside of the cartridge mounting mechanism 62. Discharge.

In the cartridge mounting mechanism 62 having the above-described structure, before the tape cartridge 1 is inserted into the frame 86, the slide protrusions 115 and 116 of the reel drive unit regulating plate 87 are moved to the slide grooves 114 of the slide plate 88.
The reel drive unit 110 is retracted below the opening 94 of the frame 86 by the main surface 109 of the reel drive unit regulating plate 87. The cartridge lock member 10 formed on the side plate 93 of the frame 86
The locking portion 108 a of 8 is urged to rotate inside the frame 86.

Next, when the tape cartridge 1 is inserted into the frame 86, the cartridge mounting mechanism 62
The abutment plate 130 a is pressed against the insertion end side surface 2 a of the cartridge body 2, and the urging plate 123 urged in the ejection direction of the tape cartridge 1 pulls the tension coil spring 1.
It moves in the direction indicated by the arrow F in FIG. 15 against the urging force of. Accordingly, the mounting sensor 131 provided on the top plate portion 122 of the top plate 89 detects that the tape cartridge 1 is mounted on the frame 86. At this time, the cartridge lock member 1 provided on the side plate 93 of the frame 86
When the tape cartridge 1 is attached to a predetermined position on the plate, the cartridge body 08 is pressed when the inclined surface of the locking portion 108a is pressed against the side surface of the cartridge body 2 and the tape cartridge 1 is mounted in a predetermined position on the plate. The locking portion 108a is locked in a locking recess formed on the side surface of the second side. As a result, the tape cartridge 1 is held in the cartridge mounting mechanism 62.

At this time, the tape cartridge 1 is inserted into the reel unlocking member entry groove 8 by the reel unlocking member 17.
Enters the reel lock 11 via the shutter member 12.
Is pressed, the tape reel 10 is unlocked.

When the mounting of the tape cartridge 1 is detected by the mounting sensor 131, the rotating shaft 105 bridged between the side plates 92 and 93 of the frame 86 is driven to rotate by a motor (not shown), and the slide plate 88 is driven. Moves in the direction of arrow D in FIGS. 15 and 17. Along with this,
As shown in FIG.
The slide protrusions 115 and 116 of the reel drive unit regulating plate 87 inserted into the slide groove 4 are inclined surfaces 118 of the slide grooves 114.
And the reel driving unit regulating plate 87 approaches the frame 86. As a result, the reel drive unit 110, which has been retracted from the frame 86 by the main surface 109 of the reel drive unit regulation plate 87, projects from the opening 94 of the frame 86 and engages with the reel hub 24 of the tape reel 10. Further, an identification projection 132 provided on the reel drive regulating plate 87 for identifying the type of the tape cartridge 1 and a positioning projection 133 for positioning the cartridge body 2.
Project from the insertion holes 95, 96 and the positioning holes 97, 98 of the frame 86, respectively, and are inserted into detection holes and positioning holes (not shown) provided on the lower surface side of the cartridge body 2.

When ejected from the cartridge mounting mechanism 62, the rotating shaft 105 is driven by a motor (not shown).
Is driven, and the slide plate 88 is moved in the direction indicated by the arrow D in FIGS. 15 and 17. Along with this, the reel driving portion regulating plate 87 inserted into the slide groove 114 of the slide plate 88
Slide protrusions 115 and 116 descend on the inclined surface portion 118 of the slide groove 114, and the reel driving portion regulating plate 87 is separated from the frame 86. As a result, the reel drive unit 110 pressed against the main surface 109 of the reel drive unit regulating plate 87
The engagement of the tape reel 10 with the reel hub 24 is released. Further, the identification protrusion 132 and the positioning protrusion 133 provided on the reel drive unit regulating plate 87
Are retracted from the insertion holes 95, 96, the positioning holes 97, 98, and the cartridge body 2. Further, the rotation pin 1 of the cartridge lock member 108 is rotated by a rotation member (not shown).
08d is pressed, the lock arm 108b is rotated in the direction indicated by the arrow E in FIG. As a result, the tape cartridge 1 mounted on the frame 86 is moved by the urging force of the tension coil spring 128 locked on the urging plate 123.
0a, and is discharged from inside the cartridge mounting mechanism 62.

When the tape cartridge 1 is ejected from the cartridge mounting mechanism 62, the reel lock releasing member 17 is retracted from the reel lock releasing member entry groove 8.
And the movement of the tape reel 10 is prohibited. In the tape cartridge 1, the shutter member 12 is urged by the pressing shaft of the reel lock 11 and moves in the direction of arrow A in FIG. 4, so that the shutter arrangement hole 8 a of the reel lock release member entry groove 8 is closed. In addition, dust and the like are prevented from entering the cartridge body 2 when not in use.

A rotary magnetic head device 63 for recording or reproducing information by slidingly contacting the magnetic tape 9 is provided between the cartridge mounting section 72 and the take-up reel 64. The rotating magnetic head device 63 includes at least a fixed drum 63
a and a rotating drum 6 rotating with respect to the fixed drum 63a
3b. A plurality of magnetic heads for recording and reproducing information signals on and from the magnetic tape 9 are attached to the rotating drum 63b.

The rotating magnetic head device 63 has a loading pin 66 on both sides constituting a tape loading mechanism.
Are arranged. The loading pin 66 is moved along the loading guide groove 66 a to move the magnetic tape 9 pulled out of the tape cartridge 1 by the transport mechanism 65 and transported to the take-up reel 64.
It is loaded in a substantially M shape so as to be wound around the rotating drum 63b. The magnetic tape 9 loaded in a substantially M-shape by the loading pin 66
6b and the take-up reel 6 guided by the guide pin 66c.
4

As shown in FIG. 18, the take-up reel 64 for taking up the magnetic tape conveyed into the recording and / or reproducing apparatus 60 has a leader block holding section 67 into which the leader block 14 is inserted and held. The formed reel hub 6
8 and a pair of upper and lower reel flanges 69 and 70 attached to both sides of the reel hub.

The leader block holding portion 67 into which the leader block 14 is inserted has an open end 68a for opening a part of the reel hub 68, and is provided inside the reel hub 68 from the leader block 14 continuous from the open end 68a. Is provided.
In the storage section 67a, a positioning convex portion 71 for guiding the insertion of the leader block 14 is formed on the side where the tip of the leader block 14 is abutted. When the leader block 14 is inserted from the open end 68 a, the positioning groove 54 formed at the lower end of the leader block 14 is inserted into the positioning protrusion 71. Thus, the leader block 14 is guided by the positioning projection 71 and is smoothly inserted into the leader block holding section 67.

The pair of upper and lower reel flanges 69, 70
The magnetic tape 9 is attached to both sides of the reel hub 68 and supports winding of the magnetic tape 9 drawn by the tape drawing mechanism around the reel hub 68. The reel flanges 69, 70
Guide grooves 69 a and 70 a are formed continuously with the open end 68 a of the reel hub 68 and guide the leader block 14 to the leader block holding portion 67. The guide grooves 69a and 70a are formed by cutting out a part of the outer periphery of the reel flanges 69 and 70 in the center direction, and are conveyed to the conveyance mechanism 65 of the apparatus main body and guided by the leader block holding portion 67. Block 14 is entered. Since the guide grooves 69a, 70a are formed to be wide from the center side to the outer peripheral side of the reel flanges 69, 70, the take-up reel 64 into which the leader block 14 enters is easily positioned and the conveyed leader block is transported. 14 can enter smoothly.

The upper flange 69 has a circular opening 69b in which the upper surface of the leader block 14 faces the center.
Is formed, and is formed so as to protrude from the opening 69b to the upper surface side of the leader block 14, and a leader block pressing piece 73 having elasticity is formed. The leader block pressing piece 73 has a locking projection 74 formed at the tip thereof and protruding toward the leader block 14. When the leader block 14 is inserted into the leader block holding portion 67, the locking convex portion 74 is formed on the upper surface side of the leader block 14, as shown in FIG. It is locked in the locking recess 56. As a result, the locking convex portion 74 can position the leader block 14 housed in the leader block holding portion 67 and prevent rattling. That is, the positioning groove 54 formed on the lower surface side of the leader block 14 and the positioning protrusion 71 provided in the leader block holding portion 67 have a certain clearance to facilitate the insertion and removal of the leader block 14. Is provided. Therefore, the locking protrusion 74 protruding from the leader block pressing piece 73 is locked in the locking recess 56, and pressing the leader block 14 causes the positioning block 54 to be inserted into the positioning groove 54 in the positioning block 54. 14 to prevent rattling.

The lower flange 70 is formed at the center thereof with a concave locking portion 75 for locking the lower surface of the leader block 14. The locking portion 75 is provided when the leader block 14 inserted into the leader block holding portion 67 is pressed by the locking projection 74 described above. As a result, even when the engagement of the tape pull-out member with the engagement shaft is released, the leader block 14 is locked by the locking step 75 a of the locking portion 75 having a concave lower surface, and Even when the take-up reel 64 is pulled in the discharge direction by the tension, the take-up reel 64 is prevented from falling out of the leader block holding portion 67.

At the center of the concave engaging portion 75, an engaging shaft 152 of a tape pull-out member 150 which engages with the leader block 14 and is pulled out from the cartridge body 2 is provided inside the take-up reel 64. A withdrawal hole 76 is formed as an escape hole for releasing the engagement with.

The take-up reel 64 having such a configuration
When the leader block 14 engaged with the engagement shaft of the tape pull-out member is transported to the take-up reel 64 by the transport mechanism, the guide groove is turned in advance to face the transport direction of the leader block 14. The leader block 14 enters into 69a and 70a.

Next, the take-up reel 64 is inserted into the guide groove 69.
When the leader block 14 guided by the a and 70a enters the leader block holding portion 67, the positioning protrusion 71 formed on the storage portion 67a is inserted into the positioning groove 54 of the leader block 14, and Guides entry into storage. The take-up reel 64 is provided with a leader block pressing piece 73 provided on the upper reel flange 69.
Are locked in the locking recesses 56 of the leader block 14, thereby preventing the leader block 14 from rattling. At this time, although the leader block 14 is released from engagement with the engagement shaft of the tape pull-out member, the leader block 14 is pressed by the locking convex portion 74 of the leader block pressing piece 73, and the concave locking portion 75 The magnetic tape 9 wound around the tape reel 10 of the cartridge main body 2 is prevented from being ejected from the take-up reel 64 by being locked by the locking step 75a. Thereafter, the take-up reel 64 is rotationally driven by a drive mechanism (not shown),
The magnetic tape 9 is wound up.

Next, the magnetic tape 9 wound around the tape cartridge 1 mounted on the cartridge mounting section 72
The transport mechanism for transporting the images will be described.

FIG. 14 shows a transport mechanism 65 which engages with the leader block 14 provided at the leading end of the magnetic tape 9 and transports the leader block 14 between the cartridge body 2 and the take-up reel 64. As in the plate 137
, And engages with a leader block 14 attached to the leading end of the magnetic tape 9 accommodated in the tape cartridge 1. Transport unit 135
And a chucking mechanism 136 for engaging the leader block 14 with the tape pull-out member 150 in conjunction with the movement of the transport unit 135, or releasing the engagement.

Plate 137 on which transport mechanism 65 is disposed
As shown in FIGS. 14 and 20, a cam groove 143 formed of a substantially rectangular flat plate and in which a tape pull-out member 150 engaged with a leader block 14 to be described later moves, and a transport unit that transports the tape pull-out member 150 And a guide concave portion 139 for guiding the 135.

As shown in FIG. 14, the cam groove 143 extends from the vicinity of the tape drawing-out hole 15 of the tape cartridge 1 mounted on the cartridge mounting portion 72 to the rotating magnetic head device 63.
It is formed in a substantially U-shape through the vicinity and to the center of the take-up reel 64. As shown in FIG. 20, the cam groove 143 is provided so that the moving mechanism 140 of the transport unit 135 and the plate 144 sandwich the cam groove 143. Is formed. This guide rail 1
48 is provided with a stopper plate 148a at one end of the cam groove 143 with which the flange portion 149 of the plate 144 abuts.

Further, the plate 137 is provided as shown in FIGS.
As shown in FIG. 1, a guide shaft 138 that guides the movement of the moving mechanism 140 is formed along the side edge opposite to the cam groove 143 in the longitudinal direction. Guide shaft 138
Are arranged from above the cartridge mounting portion 72 of the plate 137 to above the take-up reel 64. The guide shaft 138 is formed in a substantially round bar shape as shown in FIG.
The rising portion 1 formed to rise on the moving mechanism 140
It is movably inserted through 40a, 140b and bearings 145a, 145b. The guide shaft 138 guides the movement of the moving mechanism 140 gripping the magnetic tape 9 from the cartridge body 2 to the take-up reel 64.

As shown in FIG. 21, the plate 137 has a guide recess 139 formed at a side edge near the cam groove 143 in the longitudinal direction to guide the movement of the moving mechanism 140. The guide recess 139 is formed on the surface of the plate 137 so as to rise up and is bent in a substantially U-shape.
7. The guide recess 139 is slidably fitted with a guide member 146 of a moving mechanism 140 described later. The guide plate 139a constituting the guide recess 139 is formed so as to protrude inward of the plate 137 along the cam groove 143. On this guide plate 139a, the lock release prevention plate 1 provided on the pressing portion 156 of the tape pull-out member 150 conveyed along the cam groove 143 is provided.
The protrusion of 57 causes the pressing portion 156 to be pressed down, thereby preventing the engagement between the engagement shaft 152 and the leader block 14 from being disengaged during the transportation of the leader block 14.

As shown in FIGS. 14 and 22, on the plate 137, an engagement release lever 162,1 for releasing the engagement of the leader block 14 of the tape pull-out member 150 is provided.
63 are provided. Disengagement levers 162, 163
The lever provided with the pressing surface portions 162a and 163a for pressing the pressing portion 156 of the tape pull-out member 150 is pivotally supported in a seesaw shape, and the pressing surface portions 162a and 163a provided simply at the lever tip are turned upward by a spring member or the like. Being energized. Further, the engagement release levers 162 and 163 are provided on rollers 167 and 16 which ride on cam members 165 and 166 provided on a moving mechanism 140 described later on the other end side of the lever.
8 are provided. Disengagement levers 162, 163
When the rollers 167 and 168 ride on the cam members 165 and 166, the pressing surface 162 at the tip of the lever is moved.
13A and 163a are urged in the direction of arrow G in FIG.

The tape pull-out member 15 movably disposed on the plate 137 and engaging the leader block 14
As shown in FIGS. 21 and 22, the transport unit 135 that transports the “0” between the tape cartridge 1 and the take-up reel 64 is guided by a guide shaft 138 disposed on the plate 137 and moves on the plate 137. Moving mechanism 140 that moves
And a plate 144 through which a tape pull-out member 150 described later is inserted, and which slides in conjunction with the moving mechanism 140 via a plate 137. Then, the transport unit 135
The pressing portion 156 provided at the tip of the tape pull-out member 150 inserted and held in the plate 144 is movably inserted into the guide groove 158 formed in the moving mechanism 140 and the cam groove 143 of the plate 137 is The moving mechanism 140 and the plate 144 are provided through the intermediary.

The cartridge mounting portion 7 is placed on the plate 137.
Movement mechanism 14 that moves between 2 and take-up reel 64
Reference numeral 0 denotes a base plate 141 having a guide groove 158 through which the tape pull-out member 150 is movably inserted, and a pair of rotations provided on the base plate 141 for guiding the tape pull-out member 150 along the guide groove 158. Guide body 159,
160 and the rollers 16 of the disengagement levers 162 and 163
7 and 168.

The guide groove 158 through which the tape pull-out member 150 is inserted is formed to guide the movement of the tape pull-out member 150 to the base plate 141, and is formed in a direction perpendicular to the moving direction of the base plate 141. , Branch grooves 158 a, 158 directed in the direction of movement of base plate 141.
b is formed. The guide groove 158 is provided in the moving mechanism 14.
0 is moved to the vicinity of the cartridge mounting portion 72 or the take-up reel 64, the tape pull-out member 150 is moved to the branch groove portion 15.
8a or 158b, the pressing portion 156 of the tape pull-out member 150 can be pressed by the engagement release levers 162, 163.

The rotary guides 159, 160 for guiding the tape pull-out member 150 along the guide grooves 158 include guide surfaces 159a, 160a with which the pressing portion 156 of the tape pull-out member 150 abuts, and rotary guides 159, 160. Arm parts 159b and 160b for restricting rotation of the arm
And The guide surfaces 159a and 160a of the rotation guide members 159 and 160 are constantly urged toward the guide groove 158 by a coil spring or the like, and the stopper arm portion 159 is provided.
The branch grooves 158a and 158b are closed by abutting the stopper surfaces 161a and 161b formed on the base plate 141 with the b and 160b. When the moving mechanism 140 is moved to the vicinity of the cartridge mounting portion 72 or the take-up reel 64, the rotation guide members 159 and 160 are brought into contact with the tape pull-out members 150 guided by the guide grooves 158.
is pressed and rotated to open the branch grooves 158a and 158b to the tape pull-out member 150.

The cam members 165, 16 for pressing down the pressing surfaces 162a, 163a of the engagement release levers 162, 163
6 is a roller 167 of the disengagement levers 162, 163,
An inclined surface on which the vehicle 168 rides is formed. The cam members 165 and 166 move the roller 1 from the inclined surface when the moving mechanism 140 moves near the disengagement lever.
You can get on 67,168. When the rollers 167 and 168 riding on the cam member are pushed up, the engagement release levers 162 and 163 are urged in the direction of arrow G in FIG. The pressing part 156 of 150 is pressed.

The moving mechanism 140 is connected to a timing belt 172 of a driving mechanism 171 via a holder 170. Then, the moving mechanism 140 includes a driving mechanism 171.
When the timing belt 172 is driven, it is moved between the cartridge mounting section 72 side and the take-up reel 64 side.

The driving mechanism 171 is configured such that the gear mechanism 173 is driven to rotate by the motor 125 for moving the leader block shown in FIG. 14 to rotate the timing belt 172. In addition, the driving mechanism 171
Are position sensors 174 and 17 disposed on the side of the cartridge mounting section 72 of the plate 137 and on the side of the take-up reel 64.
5 is controlled by the holding body 170 of the moving mechanism 140 corresponding to FIG.

The moving mechanism 140 includes a plate 137
A guide member 146 is provided to be inserted into a guide concave portion 139 having a substantially U-shape. The guide member 146 has a side surface that is in sliding contact with the guide concave portion 139 and is formed of a slippery resin material or the like, and guides the movement of the moving mechanism 140.

As shown in FIG. 22, a plate 144 for transporting the reader block 14 in conjunction with the moving mechanism 140 includes a substantially rectangular plate 144a and a plate 144a.
a, and a tape pullout member 150 that engages with the leader block 14. The plate 144 a is provided with a flange portion 149 formed in a flange shape on the lower surface side, and the flange portion 149 is slidably fitted between the cam groove 143 formed on the plate 137 and the guide rail 148. 137.

As shown in FIG. 23, the tape pull-out member 150 inserted into the sliding plate and engaging the leader block 14 is inserted into the sleeve 151 and engaged with the leader block 14 to engage the leader block 14. It has a shaft 152 and a lock release prevention plate 157 formed at the tip of the engagement shaft 152 for preventing the leader block 14 from being disengaged during conveyance.

The sleeve 151 is inserted through the plate 144a, and a flange 154 slidably inserted into the cam groove 143 and the guide rail 148 formed on the plate 137 is provided on the lower surface of the plate 144a. ing.

The engagement shaft 152 is always slidably inserted in the sleeve 151 in the axial direction, and is always urged by a biasing member such as a compression coil spring built in the sleeve 151 as shown in FIG.
Is configured to be slid upwardly.

At the lower end of the engagement shaft 152, a flange 153 which engages with the lower engagement step 49 of the leader block 14 is provided.
Is provided. This flange 153 has a chamfer 153a as shown in FIG. A pressing portion 156 is provided above the sleeve 151 of the tape pull-out member 150. The pressing portion 156 is inserted through a cam groove 143 into a guide groove 158 formed in a direction intersecting with the cam groove 143 of the plate 137 of the moving mechanism 140 when the tape pulling member 150 is urged upward. It protrudes to the upper surface side. Further, the unlocking prevention plate 157 is formed so as to protrude from the pressing portion 156. The lock release prevention plate 157 is formed of a substantially plate-like member, and projects above the guide recess 139 formed in the plate 137 when the pressing portion 156 projects to the upper surface side of the moving mechanism 140. As a result, the tape pull-out member 150 moves the pressing portion 1 while the leader block 14 is being conveyed.
The lock release prevention plate 157 is
Is brought into contact with the guide concave portion 139, so that the engagement of the leader block 14 can be prevented from being released without the pressing portion 156 being pressed down.

When the pressing portion 156 is pressed, the tape pull-out member 150 extends downward and can be inserted into the engaging portion 47 of the leader block 14 as shown in FIG. When the engaging shaft 152 is inserted into the engaging portion 47, the engaging shaft 152 contracts upward due to the elastic return of the pressing portion 156, and the flange 153 engages with the positioning step 50 of the leader block 14 so as to engage with the leader block 14. Is engaged. At this time, the engagement shaft 152 makes contact with the chamfered portion 153 a formed on the flange 153 and the rotation restricting portion 51 formed on the positioning step 50. Thereby, the positioning of the leader block 14 engaged with the tape pull-out member 150 is achieved, and the tape pull-out member 150 can prevent the leader block 14 from floating during transport and from being disengaged. .

The tape pull-out member 150 is provided with the moving mechanism 1
By being inserted into the guide groove 158 of the fork 40, it is moved along the cam groove 143 between the cartridge mounting portion 72 and the take-up reel 64 in conjunction with the movement of the moving mechanism 140.

The tape pull-out member 150 is configured such that the pressing portion 156 has the pressing surface portions 16 of the engagement release levers 162 and 163.
When the sleeve 151 is urged downward by being pressed by the 2a and 163a and inserted into the engagement portion 47 of the leader block 14, the lower surface side of the sleeve 151 is supported by the upper engagement step portion 48 of the leader block 14. And flange 153
Are supported by the lower engagement step 49 of the leader block 14. Then, when the urging force of the engagement release levers 162 and 163 is released, the tape pullout member 150 is urged upward by the urging force of the urging member incorporated in the sleeve 151, and engages with the leader block 14. . At this time, the engaging shaft 152 is connected to the chamfered portion 15 formed on the flange 153.
3a is abutted against the rotation restricting portion 51 of the leader block 14, so that the leader block 14
Prevents idle movement.

Further, the tape pull-out member 150 engaged with the leader block 14 has the pressing portion 156 having the disengagement lever 1.
The flanges 153 are ejected from the positioning step 50 by being pressed by the pressing surface portions 162a and 163a of 62 and 163, so that the engagement with the leader block 14 is released.

The transport mechanism 65 having such a configuration is
When a cartridge is inserted, it waits in the following state.

The cam member 165 of the moving mechanism 140 is connected to one of the engagement release levers 162 provided on the plate 137.
Roller 167 rides on the pressing surface portion 162a provided at the tip of the lever to urge it downward. When the pressing surface portion 162a is urged downward, the pressing portion 156 provided at the tip of the tape pull-out member 150 is pressed downward, and the flange 153 of the engagement shaft 152 is also urged downward.

Then, the engagement shaft 152 is inserted into the engagement portion 47 of the leader block 14, and the urging force of the engagement release lever 162 is released by the movement mechanism 140 starting to move toward the take-up reel 64. Then, it engages with the leader block 14. At this time, the engaging shaft 152 abuts the chamfered portion 153a formed on the flange 153 and the rotation restricting portion 51 formed on the positioning step 50 of the leader block 14, thereby preventing the leader block 14 from floating. I do.

Next, the leader block 14 engaged with the engagement shaft 152 is moved together with the plate 144 toward the take-up reel 64 by moving the moving mechanism 140 toward the take-up reel 64.

When the moving mechanism 140 approaches the take-up reel 64, the cam member 166 rides on the roller 168 of the disengagement lever 163 provided on the plate 137, thereby lowering the pressing surface 163 a at the tip of the lever. Energize. As a result, the engagement shaft 152 is
53 is ejected from the positioning step 50 of the leader block 14, and the engagement with the leader block 14 is released.

Next, the operation of the recording and / or reproducing apparatus 60 will be described. When the tape cartridge 1 is inserted into the cartridge mounting mechanism 62 of the cartridge mounting section 72, the cartridge main body 2 is mounted in the frame 86 while pressing the butting plate 130a of the urging plate 123 provided on the top plate 89. Is done. When the urging plate 123 is moved in the direction indicated by the arrow F in FIG. 16, the mounting sensor 131 disposed on the top plate 122 detects that the tape cartridge 1 is mounted in the frame 86. At this time,
The cartridge lock member 108 provided on the side wall 93 of the frame 86 is engaged with the engaging recess of the cartridge body 2, and the cartridge body 2 is held in the frame 86. Further, the reel unlocking member 17 formed on the side wall 92 of the frame 86 enters the reel unlocking member entry groove 8 formed on the cartridge main body 2 and presses the shutter member 12 closing the cartridge main body 2. Then, the reel lock 11 is rotated in the direction of arrow B in FIG.

The mounting sensor 131 is the tape cartridge 1
When the mounting is detected, the rotating shaft 105 bridged over the frame 86 is rotated by a driving mechanism (not shown), and the slide plate 88 moves in the direction of arrow D in FIG.
As a result, the slide protrusions 115 and 116 of the reel drive unit regulating plate 87 are moved up the slide grooves 114 of the slide plate 88 and approach the frame 86. When the reel driving unit regulating plate 87 is brought close to the frame 86, the reel driving unit 110 is engaged with the tape reel 10, and the identification protrusion 132 and the positioning protrusion 133 of the reel driving unit regulating plate 87 are moved to the cartridge body 2. Insert inside.

Then, the tape pull-out member 150 is
7, the moving mechanism 1 is driven by the motor 125.
40 starts to move to the take-up reel 64 side. At this time, the pressing force of the tape pull-out member 150 against the pressing portion 156 is released, and the engaging shaft 152 is elastically returned upward as shown by the broken line in FIG.
Of the flange 1
The chamfered portion 153a formed on the 53 is brought into contact with the rotation restricting portion 51, thereby engaging with the leader block 14.

While the moving mechanism 140 is being conveyed to the take-up reel 64, the tape pull-out member 150
The lock release prevention plate 157 formed on the cam groove 14
Since the projection 139 bulges along the guide recess 139 formed along the line 3, the pressing portion 156 is prevented from being erroneously depressed and disengaged from the leader block 14. In addition, the engagement shaft 152 is configured such that the chamfered portion 153 a formed on the flange 153 is
Since it is abutted with No. 1, positioning of the leader block 14 is achieved, and play during transport is prevented.

When the moving mechanism 140 is moved to the take-up reel 64 and the leader block 14 is inserted into the center of the reel from the insertion opening of the take-up reel 64, the tape pull-out member 150
The engagement with the leader block 14 is released by the engagement release lever 163.

At this time, the positioning block 71 formed in the storage section 67a is
To guide the insertion into the leader block holding section 67. The positioning groove 54 is provided with a positioning protrusion 71.
Similarly to the above, since the distal end side is formed in a substantially V shape, the leader block 14 is positioned by engaging with each other.

The leader block 14 protrudes from the leading end of the leader block pressing piece 73 by elastically displacing the leader block pressing piece 73 formed over the opening 69b formed in the upper reel flange 69. The stop projection 74 is locked in the locking recess 56 formed on the upper surface of the leader block 14. As a result, the leader block 14 is pressed by the locking projection 74 and rattling in the leader block holding section 67 is prevented. Further, the leader block 14 has a lower reel side with a lower reel flange 70.
Locking step 75 of concave locking section 75 formed at the center of
a, and is prevented from being discharged from the take-up reel 64 due to the back tension of the magnetic tape 9.

Thereafter, the magnetic tape 9 disposed between the tape cartridge 1 and the take-up reel 64 is guided by loading pins 66 movably disposed on both sides of the rotary magnetic head device 63, and is substantially moved. The rotary magnetic head device 63 is slid in contact with the rotating magnetic head device 63 in an M shape.

When the magnetic tape 9 is rewound, the leader block 14 is engaged by the tape pull-out member 150 as described above, and is conveyed into the cartridge body 2 by moving the moving mechanism 140.

At this time, when the leader block 14 is housed in the cartridge main body 2, the positioning projection 15a
Is inserted into the positioning groove 53, and the insertion into the cartridge body 2 is guided. In addition, the positioning groove 53 has a substantially V-shaped distal end similarly to the positioning projection 15a, so that the leader block 14 is positioned by engaging with each other.

The leader block 14 has the upper half 3
When the leader block pressing piece 16 is elastically displaced, the locking projection 16a protruding from the tip of the leader block pressing piece 16 is locked in the locking recess 55 formed on the upper surface of the leader block 14. Is done. As a result, the leader block 14 is pressed by the locking projection 16a, and rattling in the cartridge body 2 is prevented.

When the tape cartridge 1 is ejected from the recording and / or reproducing apparatus 60, a rotating shaft 105 bridged between both side plates 92 and 93 of the frame 86 is driven to rotate by a motor (not shown), Reference numeral 88 moves in the direction indicated by the arrow D in FIGS. As a result, the reel driving portion regulating plate 87 is moved by the slide protrusions 11 of the reel driving portion regulating plate 87 inserted into the slide groove 114.
5 and 116 are separated from the frame 86 to descend the inclined surface portion 118 of the slide groove 114, and the reel driving portion 110 pressed by the main surface portion 109 of the reel driving portion regulating plate 87 is retracted from the tape reel 10. In addition, the identification protrusion 132 and the positioning protrusion 133 provided on the reel drive unit regulating plate 87 are also retracted from the inside of the cartridge main body 2.

Then, the pivot pin 108d of the cartridge lock member 108 is pushed by a pivot member (not shown),
The lock arm 108b is turned in the direction indicated by the arrow E in FIG. As a result, the tape cartridge 1 mounted on the frame 86 is moved by the tension coil spring 1 locked on the urging plate 123.
The cartridge 28 is ejected from the cartridge mounting mechanism 62 by the urging force of 28.

The ejected tape cartridge 1 is ejected from the cartridge mounting mechanism 62 so that the reel unlocking member 17 is moved into the reel unlocking member entry groove 8.
Since the shutter member 12 is further retracted, the shutter member 12 closes the shutter arrangement hole 8a, so that dust and the like can be prevented from entering the cartridge main body 2 when not in use, and the reel lock 11 engages with the tape reel 10. In this case, the floating of the tape reel 10 can be prevented.

Although the tape cartridge and the recording and / or reproducing apparatus to which the present invention has been applied have been described above,
The present invention provides a locking recess on the upper surface side of the leader block,
The present invention is not limited to the case in which a locking projection that engages with the locking recess is formed on the cartridge body and the take-up reel. Alternatively, a locking concave portion that engages with the locking convex portion may be formed.

The present invention is not limited to the case where the positioning groove is provided on the lower surface of the leader block, and the positioning protrusions to be inserted into the positioning groove are formed on the cartridge body and the take-up reel. A positioning groove may be formed on the side of the cartridge body and the take-up reel.

[0124]

As described above in detail, according to the tape cartridge and the recording and / or reproducing apparatus of the present invention, the first locking concave portion and the second locking concave portion are provided on the upper surface side of the leader block. A first positioning groove and a second positioning groove are provided on the lower surface side, and a first locking protrusion and a first locking protrusion that are locked in the first locking recess are provided on the cartridge body side.
A first positioning protrusion inserted into the positioning groove, and a second locking protrusion and a second positioning locked in a second locking recess in a take-up reel disposed in the apparatus body. A second positioning projection inserted into the groove is provided.

Therefore, when the leader block is inserted into the take-up reel, the second positioning projection provided in the take-up reel is inserted into the second positioning groove, and is inserted into the take-up reel. Are guided and positioning within the take-up reel is achieved. Further, in the leader block, a second locking projection provided in the take-up reel is locked in the second locking recess. As a result, the leader block is pressed by the second locking projection, and rattling in the take-up reel is prevented.

When the leader block is rewound into the cartridge body, the first positioning projection provided in the cartridge body is inserted into the first positioning groove.
Insertion into the cartridge main body is guided, and positioning within the cartridge main body is achieved. In the leader block, a first locking projection provided in the cartridge body is locked in the first locking recess. This allows
The leader block is pressed by the first locking projection to prevent rattling in the cartridge body.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a tape cartridge applied to the present invention.

FIG. 2 is a perspective view showing an upper surface side of a tape cartridge applied to the present invention.

FIG. 3 is a perspective view showing a lower surface side of the tape cartridge applied to the present invention.

FIG. 4 is a perspective view showing a shutter portion and a reel lock of the tape cartridge applied to the present invention.

FIG. 5 is a perspective view showing a tape cartridge applied to the present invention erroneously inserted into a recording and / or reproducing apparatus.

FIG. 6 is a main part perspective view showing a positioning projection formed in a lower half.

FIG. 7 is a perspective view of a main part showing a locking projection formed on the upper half.

FIG. 8 is an exploded perspective view showing a reel lock.

FIG. 9 is a plan view showing the tape cartridge in which the tape reel is engaged with the reel lock.

FIG. 10 is a plan view showing the tape cartridge in which the tape reel is not engaged with the reel lock.

FIG. 11 is a top perspective view of the leader block.

FIG. 12 is a bottom perspective view of the leader block.

FIG. 13 is a cross-sectional view showing a state in which the engagement shaft and the leader block are engaged.

FIG. 14 is a main part plan view showing a part of a recording and / or reproducing apparatus applied to the present invention.

FIG. 15 is an exploded perspective view of the cartridge mounting mechanism.

FIG. 16 is a rear perspective view of the cartridge mounting mechanism.

FIG. 17 is a perspective view showing a plate in which a reel driving unit regulating plate approaches by sliding a sliding plate.

FIG. 18 is an overall perspective view showing a take-up reel.

FIG. 19 is a perspective view showing a state where a leader block is inserted into a take-up reel.

FIG. 20 is a perspective view showing the lower surface side of the plate.

FIG. 21 is a perspective view showing a transport unit disposed on a plate.

FIG. 22 is a perspective view showing a transport unit.

FIG. 23 is a perspective view showing a sliding plate in which a pressing portion of a tape pull-out member is urged upward;

FIG. 24 is a perspective view showing the sliding plate in which the pressing portion of the tape pull-out member is pressed down.

[Explanation of symbols]

1 tape cartridge, 2 cartridge body, 8
Reel lock release member entry groove, 9 magnetic tape, 10
Tape reel, 11 reel lock, 14 leader block, 15 tape draw-out hole, 15a positioning convex, 1
6 Leader block pressing piece, 16a locking projection, 17
Reel unlocking member, 24 reel hub, 25 reel flange, 53, 54 positioning groove, 55, 56 locking concave portion, 60 recording and / or reproducing device, 62 cartridge mounting mechanism, 64 take-up reel, 65 transport mechanism,
67 leader block holding section, 67a storage section, 68
Reel hub, 68a open end, 69, 70 reel flange, 69a, 70a guide groove, 71 positioning projection, 73 leader block pressing piece, 74 locking projection, 7
5 Locking portion, 150 Tape pull-out member, 151 sleeve, 152 engaging shaft, 153 flange, 153a chamfered portion, 156 pressing portion

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yasuaki Kano 6-7-35 Kita-Shinagawa, Shinagawa-ku, Tokyo Inside Sony Corporation (72) Inventor Atsushi Mitani 6-35, Kita-Shinagawa, Shinagawa-ku, Tokyo No. Sony Corporation F-term (reference) 5D081 AA10 CC18

Claims (5)

[Claims] 1. A leader block provided at one end of a magnetic tape, a tape reel around which a magnetic tape provided with the leader block is wound, and an opening which exposes a part of the leader block to the outside, is provided. A cartridge body for rotatably storing the tape reel, wherein the leader block guides insertion when the leader block is inserted into the cartridge body, and a first positioning groove or a first positioning groove for positioning. Either one of the positioning protrusions and the second positioning groove or the second positioning protrusion that guides the insertion when the magnetic tape is inserted into a take-up reel that winds the magnetic tape and performs positioning. One of a first locking concave portion and a first locking convex portion for positioning the leader block in the cartridge body. One of a second locking concave portion and a second locking convex portion for positioning the leader block in the take-up reel for winding the magnetic tape is provided, and the opening portion includes: A positioning convex portion that guides insertion of the leader block into the cartridge body and performs positioning by fitting into one of the first positioning groove and the first positioning convex portion provided in the leader block. Alternatively, one of the positioning grooves is engaged with one of the first locking concave portion and the first locking convex portion provided in the leader block, so that the inside of the cartridge body of the leader block is formed. A tape cartridge provided with a locking projection or a locking recess for performing positioning of the tape cartridge. 2. The method according to claim 1, wherein the first block is provided on the leader block.
The positioning groove or the first positioning protrusion or the second positioning groove or the second positioning protrusion has a substantially V-shaped tip, and the positioning protrusion or the positioning groove provided in the opening is 2. The tape cartridge according to claim 1, wherein a tip is formed in a substantially V-shape corresponding to a first positioning groove or a first positioning protrusion provided in the leader block. 3. A cartridge mounting portion for mounting a tape cartridge on which a magnetic tape having a leader block provided at one end is wound, and an engaging portion of a leader block provided at one end of the magnetic tape. A tape pull-out member having an engagement shaft, a winding mechanism for winding the magnetic tape pulled out by the tape pull-out member, A transport mechanism that transports the leader block to the winding mechanism by fitting either one of a positioning groove or a positioning protrusion provided in the leader block to the winding mechanism. Either the positioning protrusion or the positioning groove for guiding insertion and positioning, and the locking provided on the leader block Recording and / or recording in which either the locking projection or the locking recess is formed by engaging the leader block with the winding mechanism by engaging with either the locking portion or the locking projection. Playback device. 4. The positioning groove or the positioning protrusion provided in the leader block has a substantially V-shaped tip, and the positioning protrusion or the positioning groove provided in the winding mechanism includes the positioning groove or the positioning groove. 4. The tape cartridge according to claim 3, wherein the tip is formed in a substantially V-shape corresponding to the positioning groove or the positioning protrusion provided in the leader block. 5. The lower surface portion of the leader block is locked when the leader block engaged by the tape pull-out member and transported by the transport mechanism is inserted into the winding mechanism. 4. The recording and / or reproducing apparatus according to claim 3, wherein a concave locking portion is formed.