JPS6284475A - In-cassette winding device for magnetic tape - Google Patents

Abstract

PURPOSE:To prevent dust from attaching to the tape by pulling out a tape from a cassette case with the 1st and 2nd holding members and attracting a leader tape so as to position them in the vicinity of a guard panel and positioning the one of two members in the vicinity of the guard panel away from the other member after the leader tape is cut. CONSTITUTION:A guide roller 10 pulls out the leader tape 2, which is attracted to the upper suraces othe holding members 11 and 12 and is ct. Ten the holing embe 12 moves i a sandb positi, and a holding member 13 moves at a position adjacent to the holding member 11 to make the upper surface flush. The tape 2 is connected to a magnetic tape 6 to release the attraction state of the holding members 11 and 13, and a hub 24 is rotated to wind the magnetic tape 6 into a cassette case 1. Then the magnetic tape 6 is attracted by the holding members 11 and 13 so as to be cut. The holding members 13 and 12 move at the standby position and the position adjacent to the holding member 11, respectively. The tailing end of the magnetic tape 6 is connected to the cut end of the tape 2 attracted by the holding member 12. In such a way the tape 2 is enclosed by the cassette case 1, the holding members and a guide panel 36, whereby no foreign matters attach to the tape.

Description

DETAILED DESCRIPTION OF THE INVENTION A. Industrial Application Field The present invention relates to a device for winding a magnetic tape into a cassette case having a guard panel, and in particular, a device for winding a magnetic tape into a cassette case having a guard panel, and in particular, a device for winding a magnetic tape into a cassette case having a guard panel. to the device that connects it to the hub and wraps it around the hub.

B. Prior Art In recent years, as the recording density of magnetic tapes has increased, there has been a tendency for problems caused by surface deposits to increase. Foreign matter that adheres to the surface of a magnetic tape can cause recording errors on magnetic recording tapes used in computers, etc., can cause a reduction in image quality due to noise in video tapes, etc., and can also cause problems with PCM recording. etc., it also causes noise.

By the way, there are roughly two types of manufacturing methods for magnetic recording tape cassettes. The first method is to wrap the magnetic tape around a pair of hubs outside the cassette case and then fill it into the cassette.This method requires a complicated and large-scale device; The tape winding time is short, and the ability to process light for a short time is high, making it suitable for large-scale plants.

The second method is to store the hub connected with leader tape in the case in advance, pull out the leader tape from the cassette case, connect the magnetic tape to it, and rotate the hub inside the cassette case to wind up the magnetic tape. This method simplifies the entire apparatus, and since the magnetic tape is immediately wound into the cassette case, the amount of foreign matter such as dust adhering to the surface of the magnetic tape can be reduced.

The present invention relates to an improvement of the device used in the second method, and is a device developed specifically for the purpose of reducing the amount of dust adhering to the surface of a magnetic tape.

A device has been developed that pulls out the leader tape from the cassette case, connects the magnetic tape to it, and winds it up (
(Special Publication No. 52-45203).

As shown in FIG. 9, this device pulls out a leader tape 2 from a cassette case 1, adsorbs it to first and second tape supports 3.4, and in the adsorbed state,
The third tape support 5 is cut between the tape supports 3 and 4, and moves in unison with the second support 4 to attract the magnetic tape, and the third tape support 5 is brought closer to the first tape support 3L. Connect the magnetic tape 6 to the end of the leader tape 2, and then
, the third tape support releases the adsorption state, rotates the hub in the cassette case l to wind up the magnetic tape 6,
When a predetermined length of magnetic tape 6 is wound up, the magnetic tape 6 is again attracted by the first and third tape supports 3.5, and the magnetic tape is cut between both tape supports 3.5. Move the second and third tape supports 4.6 to bring the second tape support 4 closer to the first tape support 3, and connect the cut end of the leader tape 2 to the end of the magnetic tape 6. The tape is then rolled up into the cassette case.

In addition, another type of device has been developed that supplies the front end of the magnetic tape to the end of the cut leader tape (Japanese Patent Publication No. 4).
9-30444). This device also pulls out the leader tape from the cassette case, cuts the leader tape in the middle, connects the magnetic tape here, winds the magnetic tape into the cassette case, cuts the magnetic tape, and then attaches the end to the leader tape. Connected.

C8 Conventional Problems In these conventional methods, the member that cuts and connects the leader tape and magnetic tape is separated considerably from the cassette case, and the leader tape is pulled out from the cassette for a long time to perform the cutting and connecting process. There is a drawback that foreign matter such as dust tends to adhere to the tape surface during the cutting and connecting processes of the leader tape.

Less foreign matter such as dust adhering to the tape surface 6-1 The higher the quality, the higher quality magnetic recording and reproduction become possible.

In particular, the leader tape that is pulled out from the cassette case is made of a synthetic resin film such as polyester, which has high insulation properties and is easily charged, and attracts dust and the like due to static electricity. Magnetic tape has a magnetic material such as iron oxide or pure iron attached to its surface, so it has higher conductivity than leader tape, is less likely to be charged with static electricity, and is less likely to attract dust than leader tape.

Foreign matter such as dust that adheres to the surface of the leader tape does not adversely affect recording or reproduction unless it is transferred from the leader tape to the magnetic tape. However, foreign matter that adheres to the leader tape adheres to the surface of a guide roller or the like within the cassette case, and is transferred to the magnetic tape. Therefore, it is important for high-density magnetic recording to minimize the amount of foreign matter such as dust adhering to the surface of the leader tape.

Although there is almost no dust attached to the tape once it has been wound up inside the cassette case, foreign matter such as dust tends to adhere to the tape at the portion where it is pulled out from the cassette case.

For this reason, in order to reduce the amount of dust adhering to the cassette case, a cassette case is used in which an opening/closing lid is provided on the tape drawer portion of the cassette case to prevent dust from adhering when the cassette tape is not in use.

D. Means for solving the conventional problems The apparatus for winding the magnetic tape in a cassette according to the present invention is as follows:
The first and second holding members that adsorb the leader tape pulled out from the cassette case adsorb the outer surface of the leader tape, and when the leader tape is adsorbed, the adsorption surface of the leader tape is attached to the cassette case. It is located in the vicinity of the guard panel interposed therebetween, and is located parallel or almost parallel to the plane including the axis of the hub so as to close the opening of the cassette case. The first and second holding members move in the direction in which the cut end of the leader tape moves away from each other, or in the direction in which one or both move away from each other. Located near the guard panel.

80 Functions and Effects As shown in FIG. 1, the leader tape is pulled out by the holding means from the cassette case held in place by the support member, and the outer surface of the leader tape, as shown in FIG. The top surface of is attracted near the guard panel. The holding member has first and second holding members that move separately, and with the outer surface of the leader tape adsorbed thereto, a cutter is inserted between the first and second holding members to cut it. be done. The second holding member located on the right in FIG. 1 moves, and the cut end of the leader tape is pulled apart. The moving holding member is moved so that it does not move far from the opening of the cassette case, and the holding member is located near the guard panel and at a position where it does not interfere with connecting or cutting the magnetic tape. stand by.

The first and second holding members hold the cut end of the leader tape in an adsorbed state. The leading end of the magnetic tape is carried by the third holding member to the cut end of the leader tape held by the first holding member, and the magnetic tape is connected to the leader tape by the connecting means.

Thereafter, the adhesion state between the leader tape and the magnetic tape is released, the hub is driven to rotate, and the magnetic tape is wound around the hub. When a predetermined length of magnetic tape is wound around the hub, the hub stops rotating and the magnetic tape is attracted to the first and third holding members.

A cutter is inserted between the first and third holding members to cut the magnetic tape. After the cutter is removed from the cutting position, the third holding member is raised to move the cut end of the magnetic tape, and then the second holding member is raised to the first holding member so that the end of the magnetic tape is moved to the leader. Lined up with the cut end of the tape. The magnetic tape and leader tape are connected, and the first
, the second holding member releases the adhesion between the magnetic tape and the leader tape. If there is a guide roller inside the magnetic tape and leader tape, this is removed and the hub is rotated to draw the magnetic tape and leader tape to the position shown by the chain line in FIG.

The first and second holding members that suck the leader tape and pull it out from the cassette case are located near the guard panel of the cassette case, and the hub is arranged so that the suction surface of the holding members closes the opening of the cassette case. Since the leader tape is located parallel to the plane containing the axis of the magnetic tape, the leader tape pulled out from the cassette case is surrounded by the guard panel, the adsorption member, and the cassette case. Since the second holding member, which is kept waiting outside the passage, is also located near the guard panel, it is not possible to pull out the leader tape for a long time outside the cassette case, as in the past, and for the pulled out part to be exposed to the outside of the cassette case. This greatly reduces the amount of foreign matter such as dust that can be deposited during this process.

In other words, the amount of dust adhering to the leader tape, which is easily attached to dust after being pulled out of the cassette case, can be greatly reduced.
High quality magnetic recording as well as error-free and noise-free playback can be achieved.

Furthermore, since the amount of leader tape pulled out can be extremely small, the overall length of the leader tape can be shortened, and the non-recording areas at both ends of the tape can be reduced.

Furthermore, since the amount of movement of the holding member is small and the amount of pulling out of the leader tape is also short, the time for moving the holding member, the time for drawing it out, the time for final winding of the slack portion, etc. can be shortened.
An additional effect of increasing processing capacity per unit time is also achieved.

F. Preferred embodiment Embodiments of the present invention will be described below based on the drawings.

The device for winding a magnetic tape in a cassette shown in FIGS. 1 to 3 pulls out a leader tape 2 from a cassette case 1 mounted in a fixed position by a support means (not shown), attracts the leader tape 2, and 6, a cutting means 7 for cutting the leader tape 12 and magnetic tape 16 adsorbed by the holding means, and a splicing chip attached to the cut leader tape 2 and magnetic tape 6. It includes a connecting means 8 for connecting both tapes, and a rotating means (not shown) for rotating one hub 24 in the cassette case and winding the magnetic tape 6 around the hub 24.

The support means for the cassette case 1 may include any conventional mechanism capable of holding the cassette case in place and opening the guard panel, for example, on both sides of the cassette case, as shown in FIG. A mechanism can be used in which the screws are held between the claws 9. The pawl 9 is pressed in a direction in which it clamps the cassette case l via an elastic body such as a spring or a cylinder or the like.

The mechanism for opening the guard panel of the cassette case 1 can be a conventionally used mechanism, for example, a mechanism for unlocking the opening of the guard panel and opening the guard panel with an arm or the like.

The holding means includes two guide rollers 10 that pull out the leader tape 2, and first, second, and third holding members 11 and 12 that attract the lower surfaces of the leader tape 2 and the magnetic tape 6.
．． 13 and two cylinders 14.15 for moving the first and second holding members 12.13.

The guide roller 10 pulls out the leader tape 2 from the cassette case 1 and holds it between the first and second holding members 11 .
12 suction surface. Therefore, this guide roller l
O is rotatably supported by a rotating arm 16, and is moved by the rotating arm 16 from the chain line position to the solid line position in FIG. 4 to pull out the leader tape 2 from the cassette case 1.

As shown in FIG. 2, the rotating arm 16 is located on the back surface of the cassette case l and is rotatably supported within a vertical plane, with a guide roller 10 vertically supported at one end and a cylinder at the other end. 33. Connected to 340 rod, cylinder 33
．． It is rotated by 34.

Although not shown, the first, second, and third holding members 11, 12, and 13 have air suction holes on their upper surfaces so that the leader tape 2 and the magnetic tape 6 can be attracted, and these suction holes are connected to means.

These holding members 11, 12, and 13 can also attract the tape by electrostatic attraction force instead of attracting the tape through air.

The first holding member 11 is fixed to the frame, and the second and third holding members 11
The holding member 12.13 of is moved by the cylinder 14.15.

The second holding member 12 first attracts the leader chip 12 pulled out from the cassette case l, and the magnetic tape 6
In the process of being rolled up into the cassette case 1, the cassette case 1 waits in a gap provided at the opening of the cassette case 1, as shown in FIGS. 1 and 2.

The third holding member 13 attracts only the magnetic tape 6, and is placed in the position shown in FIG. In the step of cutting the leader tape, the tape is moved to the solid line position in FIG. 1).

The second and third retaining members 12.13 are connected to the rod tip of the cylinder 14.15, as shown in FIGS. 2 and 4. Further, the second and third holding members 12.13 are
As shown in FIGS. 2 and 5, the suction surfaces of the tapes are located on the same plane, but the rod connecting portion of the cylinder is separated from each other with the second holding member located on the back side of the third holding member. Being exercised.

When the first and second holding members 11 and 12 are sucking the uncut leader tape 2, they surround the leader tape 2 with the cassette case l and the guard panel, as shown in FIG. , to prevent foreign matter such as dust from adhering to the leader tape 2. Therefore, in this state,
The first and second holding members 1112 are located near the guard panel of the cassette case.

In this case, the holding member 11.12 is located near the card panel when the holding member 11.12, the guard panel, and the cassette case 1 surround the leader tape 2, for example, in the position shown in FIG. The distance between the suction surface of the holding member 11.12 and the opened guard panel is within 30 mm, preferably within 25 mm, and more preferably 10 mm.
It will be decided within.

Also, in the process of winding the magnetic tape 6 into the cassette case 1, the second holding member 12 is placed on standby outside the supply path of the magnetic tape 6, but in this case as well, the leader tape 2 is held in the cassette case 1 for a long time. In order to prevent the second holding member 12 from being pulled out, the suction surface of the second holding member 12 should be placed near the guard panel, for example,
The distance from the guard panel is within 40 mm, preferably 3
Wait within 5mm.

As shown in FIGS. 1 and 2, when the second holding member 12 enters the gap in the opening of the cassette case 1 and waits, the leader tape 2 is surrounded by the holding member 11 and the cassette case 1. and can wait in ideal conditions.

The second holding member 12 shown in FIG.
When the rotary arm 17 is rotated by the cylinder 18, it is moved from a position adjacent to the first holding member 11 in a direction away from the cassette case 1. The rotating arm 17 is arranged at the back of the cassette case 1 so as not to interfere with the cassette.

As shown in FIG. 3, FIG. 4, and FIG. 1
In the figure, there are three cylinders that move forward and backward, left and right, and up and down, namely the front and rear cylinders 21. It consists of left and right cylinders 22 and upper and lower cylinders 23.

The cutting means shown in FIG. 4 and FIG.
are connected to the rods of the left and right cylinders 22, the left and right cylinders 22 are connected to the upper and lower cylinders 230 rods, and the upper and lower cylinders 23 are fixed to the frame.

The moving table 20 has a guide 26 that extends forward and backward, left and right, and up and down.
．． 26. Translated by 27.

The cutter 19 cuts the tape in the following operation.

As shown in Figure 3, ■ The cutter 19 is positioned deeper than the tape surface,
Move to the right and move to the cutting position in the center of the tape. At this time, the moving table 20 is in the raised position.

(2) Thereafter, while the cutter 19 remains raised and lowered, it is moved forward to penetrate into the upper surface of the tape 2 or 6.

- Lower the cutter 19 to the tape cutting surface.

(2) The cutter 19 moves back and cuts the tape 2 or 6.

-18= As shown in FIGS. 3 and 4, the connecting means attracts the splicing chive 28 and connects it to the leader tape 2.
and a pressing member 29 that presses against the upper surface of the magnetic tape 6 to connect both tapes, and this pressing member 29 can be moved forward, backward, left and right,
It consists of three cylinders (not shown) that move up and down, and a supply member that supplies splicing chives to the lower surface of the pressing member 29.

The pressing member 29 has the same structure as the moving table 20 of the cutting means, and has three cylinders and three sets of guides.The pressing member 29 performs the following operation with the splicing chive 28 adsorbed on the lower surface, and separates the tape 2. 6.

(2) With the pressing member 29 in the raised position, move it to the right until it is on the tape connection line.

(2) Keeping the pressing member 29 in the raised position, move forward to the upper surface of the tape.

(2) The pressing member 29 descends and presses the splicing chip 2 against the cut ends of the leader chip 12 and the magnetic tape 6, thereby connecting both tapes 2 and 6.

(2) The pressing member 29 rises.

(2) The pressing member 29 retreats.

(2) The pressing member 29 moves to the right and returns to the standby position.

Thereafter, each time the leader tape 2 and the magnetic tape 6 are connected, the operations ① to ② are repeated, and the splicing chive 28 is adhered to the top surface of both tapes 2 and 6 to connect both tapes.

The supply member that supplies the splicing tape 28 cut into a predetermined length to the lower surface of the pressing member 29 includes a carriage 30 that pulls out the splicing tape 28 wound on a roll;
An intermediate suction table 3 that is located between the reciprocating table 30 and the pressing member 29 and suctions the lower surface of the tip of the splicing chive 28.
1, and splicing tape 2 on the rear end surface of the pressing member 29.
A cutter 32 for cutting 8 is provided.

The pressing member 29 in the standby position, the intermediate suction table 31, and the lower surface of the carriage 30 are located on the same plane, and each has an opening (not shown) on the lower surface so that the splicing tape can be adsorbed on the lower surface. An air suction hole is opened, and this suction hole is connected to a vacuum source via a control valve.

The reciprocating table 30 adsorbs the splicing tape 28 on its lower surface and moves forward from right to left to deliver a fixed length of the splicing tape 28 to the intermediate suction table 31 and the pressing member 29. When the carriage 30 moves from left to right, it does not attract the splicing chive 28. In this state, the leading end of the splicing tape 28 is attracted to the intermediate suction table 31.

The cutter 32 ascends with the pressing member 29 and the intermediate suction stand 31 adsorbing the splicing chive 28, and cuts the splicing tape 2 at the rear end surface of the pressing member 29.

In the step in which the connecting member connects the leader tape 2 and the magnetic tape 6, the cutter 19 that cuts the leader tape 2 or the magnetic tape 6 is on standby outside the path of the pressing member.

The operation of the magnetic tape in-cassette winding device configured as described above to wind the magnetic tape into the cassette case is performed in the following steps.

■The cassette case 1 is held in place by the support member, and the guard panel is opened.

■Guide roller 10 located inside the leader chi 12
moves to pull out the leader tape 2 from the cassette case 1 and attract it to the upper surfaces of the first and second holding members 11 and 12. In this state, the first and second holding members 11.12 are adjacent to each other with their upper surfaces on the same plane, and the third holding member 1.
3 waits at the first solid line position.

(2) The cutter 19 enters between the first and second holding members 11 and 12 and cuts the leader tape 2.

In this state, the first and second holding members 11, 12 hold the leader tape 2 in an adsorbed state.

■The second holding member 12 moves away from the first holding member 11 to the standby position, and the third holding member 13 moves to a position adjacent to the first holding member 11 so that its upper surface is on the same plane. do.

Even in this state, the first, second, and third holding members 11
．． 12 and 13 attract the leader tape 2 and the magnetic tape 6.

(2) The leader chip 12 and the magnetic tape 6, which are attracted by the first and third holding members 11 and 13 and are adjacent to each other on the same plane, are connected at a connecting position.

■Then, the first and third holding members 11.13 release the adsorption state, and the hub 24 to which the leader tape 2 connected to the magnetic tape is fixed is rotated by the rotating means, and the magnetic tape 6 is moved into the cassette case 1. get involved in

■After a predetermined length of magnetic tape 6 is wound up, the hub 24
The rotation of the magnetic tape 6 is stopped, and the magnetic tape 6 is attracted by the first and third holding members 11, ]3.

(2) The force/cutter 19 enters and cuts the magnetic tape 6 between the first and third holding members 11.13.

(2) The third holding member 13 attracts the magnetic tape 6 and moves to the standby position shown by the solid line in FIG. 1, and the second holding member 12 moves from the standby position shown by the solid line in FIG. It moves to a position adjacent to the first holding member 11, which is indicated by the chain line in FIG.

[Phase] The terminal end of the magnetic tape 6 attracted by the first holding member 11 and the cut end of the leader tape 2 attracted by the second holding member 12 are connected by the connecting means.

■■ [Phase] In the process, the first, second, and third holding members 11, 12, and 13 maintain the adsorbed state.

(2) The first and second holding members 11 and 12 release the tape adsorption state, and the guide roller 1o moves as shown by the chain line in FIG.

@The hub 24 is rotated and the slack tape is drawn into the cassette case 1.

■Replace cassette case 1 with another one that does not have magnetic tape wrapped around it.

Thereafter, repeat this process to wind the magnetic tape into the cassette case.

In the device of the present invention shown in FIG. 4, the cassette case is positioned vertically with its opening facing downward, and the leader tape pulled out from the cassette case is surrounded by the cassette case, a guard panel, and a holding member, and the leader tape Prevents dust from adhering to the

In FIG. 4, the entire apparatus may be turned upside down, that is, the opening of the cassette case faces upward, and the upper surface of the leader tape pulled out to the opening of the car 23 = set case may be covered and surrounded by a holding member. It is possible.

Regardless of the direction in which the cassette case is held, as long as the relative position of the cassette case and the holding member is specified, the leader tape pulled out from the cassette case will be surrounded by the cassette case, the holding member, and the guard panel, and there will be foreign objects on the leader tape. This prevents the product from getting wet.

Therefore, the present invention does not limit the posture in which the cassette case is held.

The cassette case shown in Fig. 6 has a double bottom plate, and the outer bottom plate is slidably attached to the case body. By closing the hub hole opened at the bottom and closing the cart panel, the entire magnetic tape can be stored in a completely closed cassette case. A cassette case with this structure can minimize the amount of dust that adheres to the magnetic tape after it is wound up.

[Brief explanation of drawings]

1 and 2 are a schematic front view and a perspective view showing the movement of the holding means, FIG. 3 is a schematic perspective view of the cutting means and the connecting means, and FIG. 4 is a winding device showing an embodiment of the present invention. Front view,
FIG. 5 is a side view showing a mechanism for reciprocating the second and third holding members, FIG. 6 is a sectional view of the opening of the cassette case, and FIG. 7 is a schematic front view showing the movement of the holding members according to another embodiment. figure,
FIG. 8 is a side view showing the back and forth movement of the cutter, and FIG. 9 is a front view showing a specific example of the conventional device. 1...Cassette case, 2...Leader tape, 3...
Tape support, 4. Tape support, 5. Tape support, 6φφ magnetic tape, 7. Cutting means, 8
...Connection means, 9..Claw, 10..Guide roller, 1]..Holding member, ]2..Holding member 13
...Holding member, 14.. Cylinder, 15.. Cylinder, 16.. Rotating arm, 17.. Rotating arm,
18...Cylinder, 19...Cutter, 20...
・Moving table, 21φ cylinder, 22φ cylinder,
23φ pot cylinder, 24・φ hub, 25φ・guide 26 fist・guide, 27・・guide, 2
8. Splicing chive, 29.. Pressing member, 3o.. Reciprocating table, 31.. Intermediate suction table, 32.. Cutter, 33φ. Cylinder 3
4φ・Cylinder 35・φ Tape guide 36φ・Guard panel-27= Fig. 1 Fig. 5 Fig. 7 Fig. 8 Draft procedure amendment (voluntary) 1985 Patent Application No. 225889 2 Title of invention Magnetic tape Cassette-equipped device 5, Date of correction order Voluntary date 8 Contents of the correction As shown in the attached sheet, Attachment 1, “Top surface of leader tape” on page 9, line 3 of specification is corrected to “bottom surface of leader tape” do. 2. "Holding member" on page 9, pages 4 to 5 of the specification is replaced with "
"holding means". 3. On page 9, line 8 of the specification, "to the right in Figure 1" is amended to "to the left in Figure 1". 4. Correct "rise" in lines 7 and 9 of page 10 of the specification to "fall". 5. "First, second" on page 13, line 14 of the specification shall be amended to "second, third". 6. Change the "card panel" on page 16, line 7 of the specification to "
"Guard Panel" is corrected. 7. "In Figure 1" on page 17, line 18 of the specification is amended to "in Figure 4." 8. Amend "first" in line 7 of page 22 of the specification to "of FIG. 1." 9. Amend "Connection position" in the second line of page 23 of the specification to "Connection means."

Claims (4)

[Claims] (1) A support means for a cassette case having a tape guard panel in the tape drawer, a holding means for pulling out and holding a leader tape connected at both ends to a hub inside the cassette case outside the case, and holding the leader tape by the holding means. a cutting means for cutting the leader tape cut by the cutting means; a connecting means for connecting the tip of the magnetic tape to the cut end of the leader tape cut by the cutting means; and a hub for connecting the leader tape to which the magnetic tape is connected. and a rotating means for winding the magnetic tape around the hub, and after a predetermined amount of tape is wound around the hub, the holding means holds the magnetic tape, the cutting means cuts the magnetic tape, and the cut magnetic tape is cut by the cutting means. In the magnetic tape in-cassette winding device which connects the terminal end of the tape to the cut end of the leader tape by the connecting means, the holding means separately holds the cut end of the leader tape to be cut. It consists of a holding member and a third holding means for holding the cut end of the magnetic tape, and the first and second holding members adsorb the outer surface of the leader tape pulled out from the cassette case, and In this state, the suction surface of the leader tape is located near the open guard panel of the cassette case, and is parallel or approximately parallel to the axis of at least one hub so as to close the opening of the cassette case. Further, when the leader tape is cut, at least one of the first and second holding members moves in a direction away from the other, and the moved holding member positions the suction surface near the guard panel. A device for winding magnetic tape inside a cassette. (2) The device for winding a magnetic tape in a cassette according to claim (1), wherein one of the holding members that attracts the cut leader tape moves parallel to a plane including both side edges of the leader tape. (3) The second holding member that attracts the cut leader tape waits in a gap provided in the opening of the cassette case, and the magnetic tape is wound around the hub. A magnetic tape winding device inside a cassette. (4) A second part that sucks one end of the cut leader tape.
A magnetic tape winding device in a cassette according to claim 1, wherein the holding member waits in a direction away from the opening of the cassette case and winds the magnetic tape around the hub.