JPH05135450A - Linear skating tape player - Google Patents

Abstract

PURPOSE:To lock a tape loading member until a sliding chassis is pulled in by using a reel platform lever, etc., in the linear skating tape player supporting the reel platform on a freely movable reel platform lever. CONSTITUTION:In the condition that a sliding chassis 16 is arranged on the touching position in front of pulling-in and pulling-out positions, the movement of a loading arm 51 is prevented by engaging the locking pin 46 of a reel platform lever 40 supporting a reel platform 35 with a locking notched part 53c to be locked on a loading arm 51 connected with a tape loading block 62. Then, for a period until the sliding chassis reaches the pulling-in position, an erected wall restraining piece 67b provided on a freely rotable driving arm 67 supported by a fixed chassis 14 is brought into contact with the restraining edge 53a to be restrained of the loading arm, the movement of the above-mentioned loading arm is prevented and the restraining edge is taken out of the restraining piece at the same time that the sliding chassis reaches the pulling-in position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a novel linear skating tape player. More specifically, a tape loading unit that has two reel bases with which the tape reels are engaged and a tape loading unit that pulls out a tape from a tape cassette loaded in the cassette loading unit so that the tape passes through a predetermined traveling path. A first chassis provided with a movable tape loading member for carrying out is slidably coupled to a second chassis provided with a recording / reproducing section having a head drum, and tape loading etc. is performed first. Linear skate type tape player, which is performed after moving the chassis of (1) to a retracted position substantially overlapping the second chassis, and in particular, the second chassis is provided with a guide portion for guiding the moving path of the tape loading member. The reel base is movable with respect to the second chassis in a direction in which the axial distance between the two reel bases is increased or decreased. The tape is supported by a bar and the tape loading is performed by moving the tape loading member onto the guide portion. The reel base lever maximizes the axial distance substantially at the same time when the first chassis reaches the retracted position. A linear skating tape player reaching the open position
The tape loading member can be locked by using the reel base lever or the like except when the chassis of the above-mentioned chassis moves from the retracted position to the anti-retracted position side to some extent, and the structure can be simplified. An object of the present invention is to provide a new linear skating type tape player capable of expanding the degree of design freedom without being affected by the size of the moving stroke between the two chassis.

Another object of the linear skating type tape player of the present invention is to provide a new linear skating type tape player which can be made considerably small in size during recording and reproduction.

[0003]

2. Description of the Related Art For example, in a rotary head type tape player such as a video tape player, at least during recording and reproduction, a tape is pulled out from a mounted tape cassette and passes through a predetermined traveling path. The tape loading is performed, and by this tape loading, a part of the pulled-out tape is wound around the outer peripheral surface of the head drum having the rotary magnetic head by a predetermined winding angle.

Therefore, in this type of tape player, a movable tape loading member for loading the tape is provided, and the tape loading member is in an initial state where the tape cassette is loaded and unloaded. The tape is held at the standby position corresponding to the inside of the tape that is passed through the tape pull-out surface of the tape cassette, and when the tape loading starts, it is moved to the predetermined loading completion position around the head drum, which causes the tape to be removed from the tape cassette. It is pulled out and a part of it is wound around the outer peripheral surface of the head drum.

By the way, in such a tape player, the recording / reproducing means is inserted into the tape cassette mounted in the cassette mounting portion so that the shape of the tape player when the tape cassette is not attached or detached is small. Is possible.

Specifically, the chassis that forms the base of the mechanism of the tape player is divided into a fixed chassis and a slide chassis slidably supported by the fixed chassis, and one of the chassis has a recording / reproducing means such as a head drum. And a circuit board, etc., the other chassis is provided with a cassette mounting section having a reel stand, etc., and a relatively large mouse section is formed on the front surface of the cassette case of the tape cassette to be used. It is conceivable to move the other chassis to a retracted position that substantially overlaps with the one chassis so that the recording / reproducing means or the like is inserted in the mouse portion of the tape cassette.

Further, when the tape player has such a linear skating structure, the two tape reels in the tape cassette and the two reel stands to which the tape reels are respectively engaged are respectively separated from each other by an axial distance. So that the other chassis is moved to a position where the axial distance between the two reel stands is maximized at least before the other chassis reaches the retracted position, whereby the two tape reels By arranging the head drum and the like in the space formed therebetween, the shape other than when the tape cassette is attached and detached can be further reduced in size.

Specifically, two reel holding plates which are movable in a direction substantially parallel to the arrangement direction of the tape reels are provided in the cassette case of the tape cassette, and the reels are supported by these reel holding plates, and the reels are supported by the reel holding plates. The holding plate is moved between an initial position where the axial distance between the two tape reels is the axial distance according to the standard of the tape cassette and an open position where the axial distance is enlarged.

Further, the other chassis is provided with two reel base levers that are moved on a movement locus that coincides with the movement locus of the reel holding plate, and these reel base levers support two reel bases, respectively. When the tape cassette is attached or detached, the reel base lever is held in the initial position where the axial distance between the two reel bases is the distance conforming to the above standards, and the reel is reeled before the other chassis reaches the retracted position. It is conceivable to move the table lever to the open position where the inter-axis distance between the two reel stands becomes maximum.

In this way, the compatibility of the tape cassette, that is, the compatibility with the tape player of the type in which the axial distance of the reel stand is fixed is not impaired.

When the tape player has such a linear skating structure, when the winding angle of the tape with respect to the head drum is large, for example, when it is necessary to wind the head drum around one round, the tape is attached to one chassis. It is preferable to provide a guide part for guiding the moving path of the loading member, and to move the tape loading member onto the guide part after the other chassis is moved to the retracted position.

[0012]

By the way, the tape loading member must be locked at the standby position until the tape loading is started. Generally, the locking of the tape loading member moves the tape loading member. It is made to take the means of transportation to make it happen.

However, when the tape player has a linear skating structure, particularly when a moving means for moving the tape loading member to the loading completion position is provided on one chassis, the moving means and the tape loading member are provided. Since it cannot be permanently connected, it is necessary to provide a special locking means for locking the tape loading member until the other chassis reaches the retracted position.

If such a locking means can be provided on one of the chassis, its structure will be relatively simple. That is, the switching between the locked state and the unlocked state can be performed by changing the position of the other chassis.

However, when the relative movement stroke between the two chassis is small, it is also possible, but when the movement stroke becomes large, the tape loading member and the tape loading member are continuously operated while the other chassis is moving. Since it becomes difficult to maintain the positional relationship with the locking means, in this case, it is unavoidable to provide the locking means on the other chassis, and at least the locked state and the unlocked state are included in the locking means so provided. Since the state switching control is required, there is a problem that the structure becomes considerably complicated.

[0016]

In order to solve the above-mentioned problems, the linear skating tape player of the present invention has a cassette mounting portion having two reel stands with which tape reels are engaged, and the cassette mounting portion. A first chassis provided with a movable tape loading member for pulling out the tape from the tape cassette mounted on the tape cassette and allowing the tape to pass through a predetermined traveling path; and a head drum. A second chassis provided with a recording / reproducing unit and a guide unit for guiding the moving path of the tape loading member is slidably coupled;
The reel base is supported by a reel base lever movable relative to the first chassis in a direction in which the axial distance between the two reel bases is expanded and contracted, and the first chassis is in a retracted position substantially overlapping the second chassis. Relative to the tape guide member, the tape loading member is moved onto the guide portion to perform tape loading, and the reel base lever moves the inter-axle distance substantially at the same time when the first chassis reaches the retracted position. The tape loading member is moved to the maximum open position, and the tape loading member is provided with a locked portion, and the reel base lever is provided with a locking portion that engages with and disengages from the locked portion. Position regulating means for regulating the position of the tape loading member with respect to the first chassis while the first chassis moves to the anti-pull-in position side to some extent after being disengaged from the second chassis. The lock portion engages with the locked portion at substantially the same time that the tape loading member is disengaged from the position regulation by the position regulation means so as to lock the position of the reel base lever with respect to the first chassis. It is a thing.

Further, in the linear skating tape player of the present invention, in the linear skating tape player, when the first chassis is moved to the retracted position, the reel base lever is moved to the open position to form the head in the space. At least a part of the drum is positioned.

[0018]

Therefore, in the linear skate type tape player of the present invention, the lock of the tape loading member when the first chassis is at a position other than the retracted position depends on the reel base lever depending on the position of the first chassis. When the first chassis is located close to the retracted position where it is substantially overlapped with the second chassis, it is carried out by the position restricting means provided in the second chassis. When the first chassis is closer to the retracted position than the retracted position, the reel base lever provided on the first chassis is used.

Therefore, at least the first chassis does not need to be provided with any special means for locking the tape loading member, and the position regulating means provided on the second chassis is relatively short on the first chassis. Since a simple structure corresponding to the moving distance is sufficient, the structure does not become complicated. Moreover, since the reel base lever is supported by the first chassis, the locked state by the reel base lever is the first. Since there is no influence of the size of the moving stroke of the chassis of the second chassis with respect to the second chassis, it is possible to expect high reliability in the locking operation and to design the moving stroke. The degree of freedom can be expanded.

Also, at least a part of the head drum in the space formed by the reel stand lever moving to the open position when the linear skating tape player according to the present invention, that is, the first chassis moves to the retracted position. In the linear skate type tape player in which the position is located, the shape when the tape cassette is not attached / detached can be made considerably smaller than the shape when the tape cassette is attached / detached. If you do this first
Although the relative movement stroke of the chassis of No. 1 becomes considerably large, the reel base lever locks the tape loading member when the first chassis is at a position other than between the retracted position and the position opposite the retracted position. It can be done without any hindrance.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the linear skating type tape player of the present invention will be described below with reference to the embodiments shown in the accompanying drawings.

The embodiment shown in the drawings applies the linear skating tape player of the present invention to a tape player 1 using a tape cassette conforming to the 8 mm video standard in which the outer shape and dimensions are standardized. It was done.

Before describing the tape player 1, an example 2 of a tape cassette used in the tape player 1 will be described (see FIGS. 3 to 5).

Reference numeral 3 denotes a cassette case of the tape cassette 2, which has a relatively thin box shape in which two halves each having a rectangular shape when viewed in a thickness direction are integrally joined, and both left and right ends of a front surface 3a thereof. Tape outlets 4 and 4 are formed at the portions, and the tape outlets 4 and 4 are provided with cassette inner guides 5 and 5 extending in the thickness direction of the cassette case 3.

A pair of tape reels 7, 8 on which a magnetic tape 6 is wound inside the cassette case 3, that is, a supply-side tape reel 7 (hereinafter referred to as "S reel") and a winding-side tape reel 8 are provided. (Hereinafter, referred to as “T reel”.) Is rotatably housed and movably housed so that the axial distance between them can be expanded or contracted.

Reference numerals 9 and 9 denote reel holding plates, which are located at the bottom of the cassette case 3 so as to be offset to the left and right sides respectively.
In addition, the front end portion is rotatably supported by the bottom plate 10 of the cassette case 3, and the reel holding plates 9 and 9 are provided with two ends.
One tape reel 7 and 8 is rotatably supported separately.

The reel holding plates 9 and 9 have an axial distance between the two tape reels 7 and 8 which is a standard axial distance according to the 8 mm video standard (hereinafter referred to as "standard axial distance").
4 and the open position shown in FIG. 4, that is, the axial distance between the two tape reels 7 and 8 is somewhat longer than the standard axial distance (hereinafter referred to as “enlarged axial distance”). It is moved to the open position when the reel base moving operation is performed by the tape player 1 and is held at the standard position otherwise.

Reference numerals 9a and 9a denote interlocking holes formed at the rotating ends of the reel holding plates 9 and 9.

The magnetic tape 6 emerges from the S reel 7 and is wound around one of the in-cassette guides 5 to form the cassette case 3.
The tape is guided out into the cassette case 3 and reaches the T reel 8 from a position where the magnetic tape 6 is led out to the outside and wound around the other guide 5 in the cassette. It is located along the front surface 3a of the cassette case 3 while being stretched between them.

On the bottom plate 10 of the cassette case 3, a magnetic tape 6 stretched between the left and right guides 5 in the cassette.
A notch 10a is formed by largely notching the rear portion of the notch 10a, and the notch 10a has a trapezoidal shape with a substantially forward expansion. The notch 10a is opened as a whole by moving the reel holding plates 9, 9 to the open position (see FIG. 4).

In the inside of the cassette case 3, a recessed space 11 corresponding to the cutout 10a serves as a mouse portion into which a head drum or the like is inserted during recording or reproduction.

In the tape reels 7 and 8, the lower end portions of the hubs 12 and 12, which are the tape winding portions, are reel holding plates 9,
By being positioned in the reel support holes 9b, 9b of the reel 9, the reel holding plates 9, 9 are rotatably supported and the bottom plate 10
It is exposed to the outside of the cassette case 3 through the elongated holes 10b and 10b formed in the (see FIG. 3).

Reference numeral 13 denotes a lid for opening and closing the front surface 3a of the cassette case 3, which covers the magnetic tape 6 stretched between the in-cassette guides 5 and 5 from the front as shown by the solid line in FIG. The magnetic tape 6 is moved between the closed position and the open position in which the front side of the magnetic tape 6 is opened, as shown by the two-dot chain line in the figure, and the movement to the open position is performed by the opening mechanism of the tape player 1. Otherwise, it is held in the closed position otherwise.

The tape cassette 2 is constructed as described above. Therefore, in the tape cassette 2, the front surface 3a of the cassette case 3 is closed by the lid body 13, and 2
The tape player 1 is mounted with the axial distance between the two tape reels 7 and 8 being the standard axial distance.

The tape player 1 comprises a fixed portion 15 based on a fixed chassis 14 and a movable portion 17 based on a slide chassis 16.

The fixed chassis 14 is slightly larger than the planar shape of the tape cassette 2 and is in the left-right direction (the leftward direction in FIG. 1 is the left side, and the rightward direction is the right side. The downward direction is referred to as the front side, and the upward direction is referred to as the rear side.
The front and back of the tape cassette 2 are reversed. )
The main portion 18 has a long rectangular flat plate shape, and short guide walls 19 and 19 which are erected from the left and right edges of the main portion 18. The guide walls 19 and 19 extend in the front-rear direction.
9a and 19a are formed. In addition, guide columns 20 and 20 are provided upright on both left and right front ends of the upper surface of the main portion 18. The guide columns 20 and 20 have a height about one third of the thickness of the tape cassette 2. ing.

On the upper surface of the main portion 18 of the fixed chassis 14, the drum support seat 2 is provided at a position near the rear end of the central portion.
1 is fixed, and the head drum 2 is attached to the drum support seat 21.
2, a main motor 23 is fixed to the left side of the head drum 22, and a capstan motor 24 is fixed to the right side of the head drum 22, and a capstan 25 is directed upward from the capstan motor 24. Is projected.

Reference numerals 26 and 26 ′ are guide members for guiding the moving path of the tape loading block, which will be described later, and are formed integrally with the drum support seat 21 and arranged so as to substantially contact the head drum 22 from the rear side. In addition, two guide grooves 26a and 26'a which are inclined upward to the right and extend so as to form a substantially eight shape are formed separately. An inlet side fixed tape guide 27 is erected on the left end of the guide member 26.

The front half of the drum support seat 21 is located slightly above the main portion 18 of the fixed chassis 14, and the head drum 22 is a fixed drum 22a fixed to the fixed chassis 14 and the fixed drum 22a. A rotatable drum 22b rotatably supported by a plurality of rotating magnets (not shown) which are supported by the rotatable drum 22b and move along the outer peripheral surface of the head drum 22 while being positioned between the fixed drum 22a and the rotatable drum 22b. The rotary drum 22 is composed of a head and the like, and when recording or reproducing is performed on the magnetic tape 6.
b is rotated at a high speed, and the rotation is performed by a drum motor (not shown).

The slide chassis 16 is the fixed chassis 14.
The main portion 28 has a flat plate shape having substantially the same size as that of the main portion 18, side walls 29 and 29 that are raised from the left and right side edges of the main portion 28, and a front wall 30 that is raised from the front side edge.
Guide grooves 31, 3 extending in the front-rear direction are provided on both left and right sides of
1 is formed, and projecting pieces 29a, 29a are vertically provided from the lower edges of the rear end portions of the side walls 29, 29.
Guide pins 32, 32 are provided on a and 29a so as to project leftward.

The guided pins 32, 32 are slidable in the guide grooves 19a, 19a formed in the fixed chassis 14 and the upper ends of the guide columns 20, 20 erected on the fixed chassis 14. Are slidably engaged with the guided grooves 31, 31 of the slide chassis 16, respectively,
As a result, the slide chassis 16 becomes the fixed chassis 14
It is located at a higher position and is slidably supported by the fixed chassis 14 in the front-rear direction.

Incidentally, such a slide chassis 16 is
As shown in FIGS. 1 and 2, the rear end portion is a fixed chassis 1
4 is moved between a pull-out position facing the front end portion and a pull-in position facing the fixed chassis 14 as shown in FIGS. 4 and 5, and the movement is performed between the main motor 23 and the fixed chassis 14. This is performed by a moving mechanism (not shown) including the cam gear 33 provided.

A relatively large U-shaped notch 34 is formed in the central portion of the rear side edge of the main portion 28 of the slide chassis 16 and opens rearward.
When is moved to the retracted position, the lower end of the head drum 22 is located in the notch 34 (see FIG. 4).

Reference numeral 35 is an S-side reel stand with which the S-reel 7 is engaged, 36 is a T-side reel stand with which the T-reel 8 is engaged, and these two reel stands 35 and 36 are gears in the form of a spur gear. Parts 37, 37, and substantially disk-shaped reel mounting parts 38, 38 located at a position slightly higher than the gear parts 37, 37,
The reel mounting portions 38, 38 are composed of reel engaging shafts 39, 39 and the like projecting upward from the central portion.

The reel mounts 35 and 36 are positioned so that the upper portions of the reel mounts 38 and 38 project upward from the main portion 28 of the slide chassis 16 and the shafts between them. It is movably installed so that the distance between them can be increased or decreased.

That is, 40 and 41 are two reel stands 35,
It is a plate-shaped reel base lever that supports 36 separately,
The left reel base lever 40 (hereinafter referred to as "S-side reel base lever") has a rectangular shape that is long in the front-rear direction, and the right reel base lever 41 (hereinafter referred to as "T-side reel base lever"). Say) has a crank shape that is long in the front-back direction.

Then, these reel base levers 40 and 41
Is located at a height slightly lower than the main portion 28 of the slide chassis 16 and is located in a position corresponding to the left half portion and the right half portion of the portion of the slide chassis 16 which is biased toward the front end side of the main portion 28 in the horizontal direction. At the same time, the respective rear ends are supported rotatably in the horizontal direction by support shafts 42, 42 projecting downward from the main part 28, and the slide chassis 16 comes to the initial state. Slide chassis 16
The slide chassis 1 is located at the initial position shown in FIG. 1 by the tensile force of the tension springs 43, 43 bridged between the slide chassis 1 and
10 and 11 at approximately the same time when 6 reaches the retracted position.
It is moved to the open position shown in. This movement is also performed by the moving mechanism having the cam gear 33.

Reference numerals 44 and 44 denote reel base support shafts provided upright at substantially central portions of the reel base levers 40 and 41, and the reel bases 35 and 36 are rotatably supported by the reel base support shafts 44 and 44. ..

The axial distance between the two reel bases 35 and 36 when the reel base levers 40 and 41 are in the initial position is the same as the standard axial distance, and is the open position. The axial distance between the reel stands 35 and 36 when moved to is the same as the enlarged axial distance.

Reel base insertion holes 28a, 28a, which are relatively large and have a long hole shape, are formed in a substantially middle portion between the central portion and the left and right ends of the main portion 28. The upper portions of the reel mounting portions 38 and 38 of the reels 35 and 36 are projected above the main portion 28 through the reel base insertion holes 28a and 28a.

Reference numerals 45 and 45 are interlocking pins erected on the rotating ends of the reel base levers 40 and 41, which are formed in the main portion 28 of the slide chassis 16 and have an arc shape centered on the support shafts 42 and 42. Is projected upward through the elongated holes 28b, 28b extending to the.

A short lock pin 46 is erected on the right rear end of the S-side reel base lever 40. The lock pin 46 is for locking a loading arm on the inlet side, which will be described later, in a state in which the slide chassis 16 is between the position before the retracted position and the retracted position.

A lock arm 47 is attached to the T-side reel base lever 41. The lock arm 47 is formed so as to have a substantially L-shape that is long in the front-rear direction when viewed from above, and its front end is fixed to the rotating end of the T-side reel base lever 41. At the rear end of the lock arm 47, a small wall-shaped small lock portion 47a is erected. The lock arm 47 is for locking the outlet side loading arm, which will be described later, in a state where the slide chassis 16 is located between the position before the retracted position and the retracted position.

A relatively short guide groove 48 is formed at a position on the left side of the notch 34 in the main portion 28 of the slide chassis 16 so as to be displaced rearward as it goes to the right and has a right end opened. A relatively short guide groove 48 'is formed at a position on the right side of the notch 34 so as to be displaced rearward as it goes to the left and has a left end opened. An outlet side fixed tape guide 49 is erected on the side portion.

Reference numeral 50 denotes a tape loading mechanism, which includes two left and right loading arms rotatably supported by the slide chassis 16, two tape loading blocks respectively connected to the two loading arms, and a fixed chassis 14. It is composed of two left and right drive arms supported by.

Reference numerals 51 and 52 are loading arms.

The left loading arm 51 (hereinafter,
It is called the "entrance side loading arm". ) Is a main link 5 whose one ends are rotatably connected to each other.
3 and the sub-link 54, the main link 53 is substantially J-shaped, and the other wide bent portion near the end is forward of the left side guide groove 48 of the lower surface of the main portion 28 of the slide chassis 16 to some extent. It is supported by a support shaft 55, which is fixed at a position spaced apart from, to be rotatable in the horizontal direction.

The main link 53 has other edge 53a.
A substantially U-shaped pressed notch 53a is formed at an intermediate portion of the support shaft 55 (hereinafter referred to as a “regulated edge”).
A small semi-circular small locked notch is formed at a position close to each.

Reference numeral 56 is a connecting pin vertically provided on an entrance-side tape loading block, which will be described later, and is provided on the left side guide groove 4.
The lower end of the guide groove 48 is slidably engaged with the other end of the sub-link 54, and in the initial state, the lower end is located at the left end of the guide groove 48.

In the initial state, such an inlet side loading arm 51, as shown in FIG.
The main link 53 has a substantially V-shape that opens to the right, that is, a portion of the main link 53 on one end side extends toward the rear of the left shaft, and from the left end of the sub link 54 extends toward the rear of the right shaft. It is folded so as to extend, and in this state, the regulated edge 53a extends substantially in the front-rear direction, the pressed notch 53a opens rightward, and the locked notch 53b.
Is opening toward the front.

The right loading arm 52 (hereinafter, referred to as "exit side loading arm") is composed of a main link 57 and a sub link 58 whose one ends are rotatably connected to each other. Link 57
Has a substantially V shape, and its wide bent portion has a guide groove 48 'on the right side of the lower surface of the main portion 28 of the slide chassis 16.
Support shaft 5 fixed at a position spaced apart from the front by a certain amount
It is supported by 9 so as to be rotatable in the horizontal direction.

At the other end of the main link 57, there is a regulated groove 60 which is bent in a substantially V shape, and at the other end is a substantially V shape.
Small letter-shaped locked notches 57a are respectively formed.

Reference numeral 61 is a connecting pin vertically provided on the outlet side tape loading block, which will be described later, and is provided on the right side guide groove 4.
The lower end of the sub-link 58 is rotatably connected to the other end of the sub-link 58 in a state of being slidably engaged with 8 ', and in the initial state, it is located at the right end of the guide groove 48'. There is.

In the initial state, such an outlet side loading arm 52, as shown in FIG.
The main link 57 has a substantially V-shape that opens to the left, that is, a portion of the main link 57 on one end side extends toward the right rear, and the sub link 58 extends from the right end toward the left rear. In this state, the V-shape of the regulated groove 60 has a substantially frontward opening direction, and the locked notch 57a has a rearward opening direction.

One end of the half portion 60a of the regulated groove 60, that is, the left half portion of the regulated groove 60 when the outlet side loading arm 52 is folded as described above (hereinafter, "regulated portion"). Is open, and in the initial state, the regulated portion 60a extends substantially in the front-rear direction.

Reference numerals 62 and 63 are tape loading blocks directly responsible for tape loading. These tape loading blocks 62 and 63 are movable bases 64 and 6.
4 ', and roller guides 65, 65' supported by the moving bases 64, 64 ', moving tilt guides 66, 66', etc. The connecting pins 56, 61 are provided at one end of the moving bases 64, 64 '. Are installed separately.

Therefore, the tape loading block 6
In the initial state, the reference numerals 2, 63 are movably supported by the guide grooves 48, 48 '.

In the initial state, as shown in FIG. 8, the lock pin of the S-side reel base lever 40 which is at the initial position is in the locked notch 53c formed in the main link 53 of the inlet side loading arm 51. 46 is engaged, and the main link 57 of the outlet side loading arm 52 is engaged.
The lock portion 47a of the lock arm 47 of the T-side reel base lever 41, which is at the initial position, is engaged with the left side edge of the locked notch 57a formed in FIG. It is locked in the folded state.

That is, in this state, the main link 53 of the inlet side loading arm 51 has its locked notch 53.
When the lock pin 46 is engaged with c, rotation in the clockwise direction viewed from above is prevented, and the rotation in the counterclockwise direction causes the connecting pin 56 to contact the left end of the guide groove 48. Since it is prevented by further moving to the left, the position of the main link 53 is defined, and thereby the inlet side loading arm 51 is locked. Therefore, this inlet side loading arm 41
Left tape loading block 62 connected to
(Hereinafter, "Hereafter, the tape loading block on the entrance side"
Say ) Is locked at the standby position where the connecting pin 56 is located at the left end of the guide groove 48.

Further, the main link 57 of the outlet side loading arm 52 is counterclockwise viewed from above when the upper end of the lock portion 47a of the lock arm 47 is engaged with the locked notch 57a from the rear side. Rotation of the connecting pin 61 is prevented, and rotation in the clockwise direction is prevented.
Is abutted against the right end of the guide groove 48 'and prevented from moving further to the right, so that the position of the main link 57 is defined, whereby the outlet side loading arm 52 is locked. .. Therefore, in the right side tape loading block 63 (hereinafter referred to as the exit side tape loading block) connected to the exit side loading arm 52, the connecting pin 61 has the guide groove 4 therein.
It is locked in the standby position located at the right end of 8 '.

The above state is maintained until the slide chassis 16 reaches the retracted position.

67 and 68 are limiter arms.

The left limiter arm 67 (hereinafter referred to as "entrance side limiter arm") has a substantially long plate-shaped main portion 67a and a wall-shaped standing up from a position near one end of one side edge thereof. A control piece 67b is formed, and an intermediate portion in the longitudinal direction thereof is rotatably supported in the horizontal direction by a support shaft 69 fixed to the upper surface of the main portion 18 of the fixed chassis 14, and the support shaft 69 is the drum. It is arranged below the support seat 21 and at a position corresponding to the left front part of the center of the outer peripheral surface of the head drum 22.

Reference numeral 70 denotes a pressing pin which is erected on the upper surface of one end of the inlet side limiter arm 67.
The upper end portion of is located at substantially the same height as the main link 53 of the inlet side loading arm 51.

Although not shown, the fixed chassis 14 is provided with a control means for controlling the position of the inlet side limiter arm 67, and the slide chassis 16 is retracted into the inlet side limiter arm 67. In the state before coming to the position, the control means brings the standby device shown in FIG. 1, that is, the posture in which the one end portion where the pressing pin 70 is provided and the other end side extends substantially right front, and the regulating piece 67.
b is held at a standby position that extends in the front-rear direction and is in contact with the regulated edge 53a of the inlet side loading arm 51 from the right when viewed from the front-rear direction, and the slide chassis 1
6 is elastically pivoted counterclockwise when viewed from above by releasing the holding at a predetermined timing after the slide chassis 16 reaches the retracted position, and the slide chassis 16 moves from the retracted position to the retracted position. Before moving, it is returned to the standby position.

The right limiter arm 68 (hereinafter referred to as "exit side limiter arm") has a substantially V shape when viewed from above, and a portion from the middle portion to one end side thereof is seen horizontally. Is bent in a crank shape so that one end thereof is located on the upper side, and a pressing pin 71 is projectingly provided at the one end. Then, such an outlet side limiter arm 68 is horizontally rotatable via a shaft 72 by a control mechanism (not shown) provided in the fixed chassis 14 in the state where the outlet side limiter arm 68 is located below the drum support seat 21. In the state before the slide chassis 16 reaches the retracted position, the control mechanism is in the standby position shown in FIG. 1, and the counterclockwise rotational force is elastically biased.
That is, the shaft 72 is prevented from being rotated by the turning force.
Is located at a position on the outer peripheral surface of the head drum 22 that corresponds to the position on the right side of the center of the front, and the pressing pin 71 is formed in the main link 57 of the outlet side loading arm 52 when viewed from the front-rear direction. The slide chassis 16 is held at a standby position located at a position corresponding to the regulated portion 60a, and after the slide chassis 16 reaches the retracted position, the slide chassis 16 is moved rearward by a predetermined distance at a predetermined timing, and the slide chassis 16 is retracted at the retracted position. When it is moved from the to the pull-out position, it is returned to the standby position before that.

73 is a pinch roller arm having a pinch roller 74 rotatably supported at one end, 75 is a flip arm having a flip guide 76 standing up at one end, and 77 is a tenon pin 78 standing up at one end. The other ends of the pinch roller arm 73, the flip arm 75 and the tenleg arm 77 are rotatably supported by the slide chassis 16, and in the initial state, as shown in FIG. The lid side guide 76 is held at a position on the right side of the outlet side tape loading block 63, the flip guide 76 is held at a position on the right side of the pinch roller 74, and the tenon pin 78 is held at a position on the left side of the inlet side tape loading block 62.

As described above, the reel stands 35, 36, etc. are located in the space 79 inside the slide chassis 16, and the space 79 serves as a cassette mounting portion to which the tape cassette 2 is removably mounted. There is.

The mounting and removal of the tape cassette 2 from the cassette mounting portion 79 are performed with the slide chassis 16 in the pull-out position.

As described above, in this state, the tape loading blocks 62 and 63 are held at the standby position.

When the tape cassette 2 is mounted in the cassette mounting portion 79, the reel engaging shafts 39, 39 of the reel bases 35, 36 relatively move to the hub 1 of the tape reels 7, 8.
2, 12 reel base engaging holes 12a, 12a,
As a result, the S reel 7 and the T reel 8 are engaged so as to rotate integrally with the S side reel base 35 and the T reel 8 respectively.

Further, the interlocking pins 45, 45 provided upright on the reel base levers 40, 41 are individually fitted and inserted into the interlocking holes 9a, 9a of the reel holding plates 9, 9 to support the S reel 7. The reel holding plate 9 and the S side reel base lever 40
Further, the reel holding plate 9 supporting the T reel 8 and the T side reel base lever 41 are linked so as to be able to move integrally.

When the tape cassette 2 is mounted in the cassette mounting portion 79, the roller guides 65, 65 ',
The movable tilt guides 66 and 66 ', the pinch rollers 74, the flip guides 76, and the tenon pins 78 are located inside the magnetic tape 6 located on the front surface of the cassette case 3 (see FIGS. 1 and 2).

The lid 13 of the tape cassette 2 is moved to the open position by the operation of closing a cover (not shown) that opens and closes the upper surface of the cassette mounting portion 79, and the cassette case 3 slides when the cover is closed. It is crimped onto the upper surface of the main portion 28 of the chassis 16.

The tape cassette 2 is mounted on the cassette mounting portion 79 as described above.

Therefore, when a command for retracting the slide chassis 16 is issued, the slide chassis 16 is moved to the retracted position, and the reel base levers 40 and 41 are positioned at the position before the slide chassis 16 reaches the retracted position. From that point on, it is moved to the open position together with the reel holding plates 9, 9 (see FIG. 9), thereby increasing the distance between the two tape reels 7 and 8.

By this movement, the head drum 22 is inserted into the mouth portion 11 of the cassette case 3, the front end portion of the head drum 22 is located between the two tape reels 7 and 8, and the head drum 22 is also moved. The magnetic tape 6 is wound around the part of the outer peripheral surface of the roller guide 65, 65 ′, the inlet side fixed tape guide 27, the outlet side fixed tape guide 49, and the capstan 25, which are directed substantially forward.

When the slide chassis 16 comes to the retracted position, the left and right guide grooves 48 of the slide chassis 16 and the guide grooves 26a of the left guide member 26 provided on the fixed chassis 14 are also moved to the slide chassis 16 side. The right guide groove 48 'and the guide groove 26 of the right guide member 26'
′ A and are consecutive (see FIG. 4).

The tape loading blocks 62 and 63 are locked at the standby position until the slide chassis 16 reaches the retracted position, and this lock is provided until the slide chassis 16 reaches the retracted position. , 41, and thereafter by limiter arms 67, 68.

The operation and the movement of the tape loading blocks 62 and 63 will be described below.

As described above, in the initial state, the entrance side loading arm 51 is locked by the lock pin 46 of the S side reel base lever 40 which is in the initial position, and the exit side loading arm 52 is in the initial position. It is locked by the lock arm 47 of the T-side reel base lever 41. Further, as described above, the reel base levers 40 and 41 are moved to the open position from the time when the slide chassis 16 reaches the position just before the retracted position, and therefore, until the movement is started. The locked state of the loading arms 51 and 52 by the reel base levers 40 and 41 is maintained.

A little before the S-side reel base lever 40 starts to move toward the open position, the restricting piece 67b of the inlet-side limiter arm 67 relatively moves the main link 53 of the inlet-side loading arm 51. Regulated edge 5
3a is located so as to be in slight contact with the right side (see FIG. 9), and at the same time when the T-side reel base lever 41 starts to move to the open position, the pressing pin 71 of the outlet-side limiter arm 68 is relatively moved. The regulated portion 60 of the regulated groove 60 of the main link 57 of the outlet side loading arm 52 is
It is located within the rear end of a (see FIG. 9).

Therefore, the inlet side loading arm 51 is prevented from moving the main link 53 in the horizontal direction by the restricting piece 67b of the inlet side limiter arm 67, and the outlet side loading arm 52 is also connected to the main link 57 thereof. Of the outlet side limiter arm 68 is blocked by the pressing pin 71 of the outlet side limiter arm 68 to lock each of them.

Even if the reel base levers 40 and 41 move to the open position, the tape loading block 6
2, 63 will still be locked in the standby position.

At the same time when the slide chassis 16 reaches the retracted position, the inlet side loading arm 51 is moved.
The regulated edge 53a of the inlet side limiter arm 67 is located rearward of the regulating piece 67b of the inlet side limiter arm 67 (see FIG. 10), whereby the lock with respect to the inlet side loading arm 51 is released, and at this point, the outlet side limiter arm 68 is
The pressing pin 71 is located at the bent portion of the regulated groove 60 of the outlet side loading arm (see FIG. 10).

In this state, the pressing pin 70 of the inlet side limiter arm 67 is located immediately to the right of the pressed notch 53b formed in the main link 53.

From this state, the inlet side limiter arm 67
Is elastically rotated counterclockwise by a control unit (not shown), and the outlet side limiter arm 68 is moved to the right rear by a predetermined distance by the control unit (not shown).

Then, the pressing pin 70 of the inlet side limiter arm 67 enters the pressed notch 53b of the main link 53 and presses the front side edge thereof substantially forward, so that the main link 53 rotates clockwise. This movement causes the sub-link 54 to be pushed substantially rightward by this rotation, so that the inlet side loading arm 51 is extended so as to form a substantially V shape (see FIG. 11). As a result, the inlet side tape loading block 62 is moved to the loading completion position substantially right behind the head drum 22 via the guide groove 48 that has been supported up to that point and the guide groove 26a of the left guide member 26 on the fixed chassis 14. The connecting pin 56 is crimped to the right end of the guide groove 26a.

Further, since the pressing pin 71 of the outlet side limiter arm 68 presses the inner edge of the right half portion 60b of the regulated groove 60 substantially rightward and rearward, the main link 57 is rotated counterclockwise. By this rotation, the sub-link 58 is pushed substantially to the left rear, so that the outlet side loading arm 52 is extended so as to form a substantially V shape (see FIG. 11). As a result, the outlet side tape loading block 63 is guided by the guide groove 48 'which has been supported by then and the guide groove 26' of the right guide member 26 'on the fixed chassis 14.
This is also moved to the loading completion position just behind the head drum 22 via a, and the connecting pin 61 is crimped to the left end of the guide groove 26'a.

The locking of the loading arms 51 and 52 when the slide chassis 16 is moved to the retracted position and the movement of the tape loading blocks 62 and 63 after the slide chassis 16 has reached the retracted position are performed as described above. ..

When the slide chassis 16 starts to move toward the retracted position, the guide arm (not shown) provided on the fixed chassis 14 causes the slide arm 16 to pivot rearwardly, which causes the slide guide 76 to move the magnetic tape 6 to the slide guide 76. The tension key arm 77 is released from its initial position, and is rotated substantially rearward by the tensile force of a tension spring (not shown). The magnetic tape 6 is appropriately tensioned by the turning force applied by the magnetic tape 78.

Further, the pinch roller arm 73 is rotated to the right by a cam (not shown) provided in the fixed chassis 14 at substantially the same time when the slide chassis 16 reaches the retracted position, whereby the slide chassis 16 is retracted. The pinch roller 74 is pressed against the capstan 25 with the magnetic tape 6 sandwiched therebetween almost at the same time when it reaches the position.

The above-mentioned state is the tape loading completion state, and in this state the magnetic tape 6 is passed through a required path. That is, in this state, the magnetic tape 6 comes out from the S reel 7 and is located on the left side in the cassette guide 5-tennine pin 78-entrance side fixed tape guide 27-roller guide 65-moving tilt guide 66-head drum 22-moving tilt guide 6.
6'-roller guide 65'-outlet side fixed tape guide 4
9-Capstan 25-Flider guide 76-Passes through the guide 5 in the cassette on the right side in this order to reach the T reel 8, and is wound around the outer peripheral surface of the head drum 22 in a substantially spiral shape.

Recording or reproduction on the magnetic tape 6 is performed by causing the magnetic tape 6 to run from this state by the capstan 25 and the pinch roller 74 and rotating the rotating portion of the head drum 22. One of the reel bases 35 and 36 is rotated in the tape winding direction in accordance with the tape running direction.

When the tape cassette 2 is taken out, the slide chassis 16 is moved to the pull-out position, the tape unloading, that is, the tape is wound on the tape reel, and the slide chassis 16 is started to move. Prior to this, the tape loading blocks 62 and 63 are returned to the slide chassis 16.

That is, when a command to pull out the slide chassis 16 is issued, first, the limiter arms 67 and 68 are returned to their original positions, that is, the standby positions before the loading arms 51 and 52 are extended.

At this time, the pressing pin 70 of the inlet side limiter arm 67 pushes the rear side edge of the pressed notch 53b formed in the main link 53 of the inlet side loading arm 51 substantially rearward, so that the main link. 53 is rotated in the counterclockwise direction, whereby the inlet side loading arm 51 is folded back.

Further, since the pressing pin 71 of the outlet side limiter arm 68 presses the left side edge of the regulated portion 60a of the regulated groove 60 formed in the main link 57 of the outlet side loading arm 52 toward the substantially left front side. , The main link 57 is rotated in the clockwise direction, whereby the outlet side loading arm 52 is folded back to its original state.

As a result, the tape loading block 62 on the inlet side is moved to the guide groove 48 side on the left side of the slide chassis 16 and the tape loading block 63 on the outlet side is moved to the guide groove 48 'side on the right side.
Returned to 6. That is, the state shown in FIG. 10 is obtained.

From this state, the slide chassis 1
6 is moved forward, the regulated edge 53a of the inlet side loading arm 51 contacts the regulating piece 67b of the inlet side limiter arm 67, and the pressing pin of the outlet side limiter arm 68 is almost at the same time when the movement is started. Reference numeral 71 relatively moves within the regulated portion 60a of the regulated groove 60 of the outlet side loading arm 52 along the extending direction thereof. Therefore, in this state, the loading arm 51,
52 is locked by limiter arms 67 and 68.

Further, when the slide chassis 16 is slightly moved forward, the reel base levers 40 and 41 are returned to the initial positions, and the lock pin 46 of the S side reel base lever 40 is locked to the locked notch of the inlet side loading arm 51. The lock portion 47a of the lock arm 47 provided on the T-side reel base lever 41 is engaged with the locked notch 57a of the outlet side loading arm 52 from the rear.
Therefore, from this point, the loading arms 51, 5
2 is locked by reel base levers 40 and 41.

Therefore, even when the slide chassis 16 is moved from the retracted position to the retracted position, the tape loading blocks 62 and 63 are locked at the standby position.

After the slide chassis 16 starts moving toward the pull-out position, the pinch roller 74, the slide guide 76 and the ten pin 78 are returned to the initial positions, and the tape loading blocks 62, 6
Simultaneously with the start of the movement of 3, the S reel 7 is rotated in the tape winding direction, whereby the magnetic tape 6 is wound around the S reel 7 without slack.

[0114]

As is apparent from the above description, the linear skating tape player according to the present invention is mounted on the cassette mounting portion having the two reel stands with which the tape reels are engaged, and the cassette mounting portion. A first chassis provided with a movable tape loading member for loading the tape so that the tape is pulled out from the tape cassette and passed through a predetermined traveling path; and a recording / reproducing unit having a head drum. A second chassis provided with a guide portion for guiding the movement path of the tape loading member is slidably coupled to the reel base, and the reel base is positioned between the two reel bases with respect to the first chassis. Supports a reel base lever that can move in the direction of expanding and contracting the distance, and moves the first chassis relatively to a retracted position that substantially overlaps the second chassis. After that, the tape loading member is moved to above the guide portion to perform tape loading, and the reel stand lever is moved to the open position where the inter-axle distance becomes maximum at the same time when the first chassis reaches the retracted position. In this linear skating type tape player, a tape loading member is provided with a locked portion, and a reel base lever is provided with a locking portion that engages with and disengages from the locked portion. The second chassis is provided with position regulating means for regulating the position of the tape loading member with respect to the first chassis while the first chassis moves to the opposite retracted position side to some extent from the above-mentioned position regulating means. The lock portion engages with the locked portion at substantially the same time that the tape is removed from the position regulation by the tape loading portion. Characterized in that so as to lock the position relative to the first chassis.

Therefore, in the linear skating tape player of the present invention, the tape loading member is locked when the first chassis is in a position other than the retracted position, depending on the position of the first chassis. When the first chassis is located close to the retracted position where it is substantially overlapped with the second chassis, it is carried out by the position restricting means provided in the second chassis. When the first chassis is closer to the retracted position than the retracted position, the reel base lever provided on the first chassis is used.

Therefore, at least the first chassis does not need to be provided with any special means for locking the tape loading member, and the position regulating means provided on the second chassis is relatively short on the first chassis. Since a simple structure corresponding to the moving distance is sufficient, the structure does not become complicated. Moreover, since the reel base lever is supported by the first chassis, the locked state by the reel base lever is the first. Since there is no influence of the size of the moving stroke of the chassis of the second chassis with respect to the second chassis, it is possible to expect high reliability in the locking operation and to design the moving stroke. The degree of freedom can be expanded.

In the above embodiment, the limiter arm, which is responsible for the operation of moving the tape loading member to the loading completion position, is used as the position restricting means. Since it is not necessary to provide a special member, the structure of the tape player can be further simplified.

However, the position regulating means in the present invention is not limited to this.

In the above embodiment, the locked portion of the tape loading member is provided on the loading arm connected to the tape loading member, but the locked portion is provided on the tape loading member itself. Is also good.

Further, in the linear skating tape player according to the present invention, in the linear skating tape player, a space formed by moving the reel base lever to the open position when the first chassis is moved to the retracted position. At least a part of the head drum is located inside.

Therefore, in the linear skating tape player according to the present invention, the shape other than when the tape cassette is attached and detached can be made considerably smaller than the shape when the tape cassette is attached and detached. Also, in this case, the relative movement stroke of the first chassis becomes considerably large, but even when the first chassis is not located between the retracted position and the position opposite the retracted retracted position. The tape loading member can be locked by the reel base lever without any trouble.

The reel base lever shown in the above embodiment,
The structure or shape of the tape loading member, the guide portion, the locked portion, the lock portion and other portions are merely examples of the embodiment in carrying out the present invention,
The technical scope of the present invention should not be limitedly interpreted by these.

[Brief description of drawings]

FIG. 1 is a plan view showing an example of an embodiment of a linear skate type tape player of the present invention, showing the entire tape player in an initial state.

FIG. 2 is an enlarged perspective view showing a main part of the tape player.

FIG. 3 is a view showing a state in which a tape cassette is mounted.
FIG. 3 is an enlarged sectional view taken along line III-III of FIG.

FIG. 4 is an enlarged plan view showing a tape loading completion state by cutting the tape cassette.

5 is an enlarged cross-sectional view taken along the line VV of FIG.

FIG. 6 is an enlarged perspective view showing a limiter arm.

FIG. 7 is an enlarged perspective view showing a reel base lever, a loading arm, a tape loading block and the like.

FIG. 8 is a horizontal cross-sectional view showing the operation of the tape loading mechanism over time together with FIGS. 9 to 11, and showing an enlarged main part in the initial state.

FIG. 9 is a horizontal cross-sectional view showing, in an enlarged manner, a main part in a state where the slide chassis has reached a position just before the slide position to the retracted position.

FIG. 10 is a horizontal cross-sectional view showing an enlarged main part in a state where the slide chassis reaches the retracted position.

FIG. 11 is a horizontal cross-sectional view showing an enlarged main part in a tape loading completion state.

[Explanation of symbols]

 1 Linear skating tape player 2 Tape cassette 6 Tape 7 Tape reel 8 Tape reel 11 Space 14 Second chassis 16 First chassis 22 Head drum 26 Guide section 26 'Guide section 35 Reel stand 36 Reel stand 40 Reel stand lever 41 Reel stand lever 46 Lock part 47a Lock part 51, 62 Tape loading member 52, 63 Tape loading member 53c Locked part 57a Locked part 67b Position restricting means 71 Position restricting means 79 Cassette mounting part

Claims (2)

[Claims] 1. A tape for pulling a tape out of a cassette mounting portion having two reel stands with which the tape reels are engaged and a tape cassette mounted in the cassette mounting portion so that the tape passes through a predetermined traveling path. A first chassis provided with a movable tape loading member for loading, a recording / reproducing unit having a head drum, and a second guide unit for guiding a moving path of the tape loading member. The first chassis is slidably coupled to a chassis, and the reel base is supported by a reel base lever movable relative to the first chassis in a direction in which the axial distance between the two reel bases is expanded and contracted. Is relatively moved to the retracted position substantially overlapping the second chassis, and then the tape loading member is moved onto the guide portion to perform tape loading. The reel base lever is a linear skating tape player that reaches the open position where the inter-axle distance becomes maximum at the same time when the first chassis reaches the retracted position, and the tape loading member has a locked portion. , The reel base lever is provided with a lock portion that engages with the locked portion so as to be freely engageable with and separable from each other, and while the tape loading member is disengaged from the guide portion, the tape is moved to a certain extent toward the anti-pull-in position side. Position control means for restricting the position of the loading member with respect to the first chassis is provided in the second chassis, and the lock portion is engaged with the locked portion at substantially the same time when the tape loading member is disengaged from the position regulation by the position control means. The linear skates are characterized in that the position of the tape loading member with respect to the first chassis is locked. Tape player. 2. The head drum is located at least partially in a space created by the reel base lever moving to the open position when the first chassis moves to the retracted position. The linear skating tape player according to claim 1.