JPS5826346A - Fast feeding and rewinding mechanism - Google Patents

Abstract

PURPOSE:To perform fast winding operation stably, by releasing the play operation means at a position where a lever for the fast feed (FF) or a rewinding (REW) is a little pushed with a control member and setting the FF or the REW operation means at the position where the lever is further pushed. CONSTITUTION:The 2nd control member 25 is pushed forward with contact parts 28 and 29 of levers 5 and 6 by depressing a fast feed (FF) lever 5 or a rewinding (REW) lever 6. As a result, a control member 26 of a control member 23 and components such as a magnetic head kept on the member 23 along a taper are released from the playing operation and retrogressed and a tape on a reel stand is performed for the fast feed of FF or REW.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fast-forward and rewind mechanism configured such that the release of the play operation means and the setting of the fast-forward or rewind operation means are performed with a time lag.

When performing fast forwarding (PR) or rewinding during play operations such as tape playback in a tape player such as a cassette stereo, the play operation including the magnetic head, pinch roller, play idler, etc. that is performing the play operation is performed. It is necessary to take timing into consideration when releasing the means and setting the FF or REW operation means including idlers for FF or R and EW. If the FF or REW operation means is set before or at the same time as the release of the play operation means, the tape reel that is being fed at a constant speed in the play operation state will be rapidly wound at high speed (FF Otherwise, a force is applied to perform the REW operation, which not only imposes a burden on the tape but also poses a risk of damaging the drive system. Therefore, it is necessary to set the FF, R, and BW operating means after the play operating means is completely released.

The present invention has been made in response to the above-mentioned problems.
It includes a PP lever, a REW lever, and a control member that operates in conjunction with these levers, and when the FF or REW lever is slightly pressed by the control member, the play operation means is released, and the FF is activated. Alternatively, the present invention provides an FF and REW mechanism configured to set the FP or REW operation means at a position where the REW lever is further pushed. Embodiments of the present invention will be described below with reference to the drawings.

1 to 5 are a schematic top view and a schematic side view showing a mechanism according to an embodiment of the present invention, in which reference numerals 5 and 6 denote an FF lever and a R E W lever provided so as to overlap each other; 6 springs for retrieval each 7.8
The frame 9 is biased by the frame 9, so that the IC is always pulled toward the front of the hand.

11. 12 is a hook-shaped guide groove provided on each of the levers 5 and 6 and arranged to intersect with each other in an X-shape; 13 is a swinging member that swings in the left-right direction with the bin 14 as a fulcrum; It has a guide groove 15 and a swing pin 16 located below the levers 5 and 6. The swinging bin 16 is the swinging member 13
FF lever 5 or R E W
When the funeral lever 6 is pushed, it is guided by the intersection of the hook-shaped guide grooves 11 and 12 that intersect with the X-shape, and swings in the left-right direction using the bin 14 as a fulcrum. Also, swing pin 1
6 is biased against the frame 9 by a spring 10. 17 is a sliding member provided on the frame at a sliding groove;
It has a guide groove for holding the pin 14 in a sliding position. Reference numeral 18 denotes a second swinging member disposed below the sliding member 17, which swingably holds a second swinging bottle 20 provided at its tip using the bottle 19 as a fulcrum.

Reference numeral 21 denotes an actuating spring for transmitting the movement of the swinging member 13 to the second swinging member 18, which is locked to the bin 14 and the second swinging bino 20 at five points. Furthermore, when the FF lever 5 or the R E W lever 6 is pressed, the movement of the swinging bin 16, which swings in the left-right direction guided by the intersection of the hook-shaped guide grooves 11 and 12, is caused by the second movement. The transmission is transmitted to the second swinging bin 20, and the second swinging bin 20 swings in the left-right direction using the pin 19 as a fulcrum, so that the transmission section 22 located at the end of the second swinging member 18 moves vertically. The motion of times is given.

Reference numeral 23 denotes a track member having an engaging pin 24 for holding components such as a magnetic head 78 and a pinch roller and controlling their movement. Reference numeral 25 denotes a second control member, which has a control section 26 that engages with the upper part of the engagement bin 24 to move it left and right (the magnetic head, etc. moves forward or backward relative to the table). There is. Further, this second control member 25 has a contact portion 27, which is adapted to come into contact with contact portions 28 and 29 provided on each of the FF lever and the REW lever, so that when the lever is pressed, It is designed so that it can be pushed forward by touching it.

Further, the second control member 25 controls the second swinging bin 2.
Regulation part 38 for regulating the rocking movement of 0 to the left and right gyri
The regulating section 38 includes a tapered section together with the control section 26 described above.

The configuration of each part described above shows the configuration when a cassette is set in a tape cassette player and a play operation is being performed.

The operation of causing the tape player to fast-forward or rewind during a play operation such as playback will be described below.

When the FF lever 5 or the REW lever 6 is pushed, the hook-shaped guide groove 11 or 12 moves forward, and based on this, the mutual intersection points also move left and right. As a result, the swinging bin 16 uses the bin 14 as a support to move left and right. Perform rocking movements. Therefore, the actuating spring 21 that is engaged with the swing bottle 16 also swings left and right, so the swing pin 20 of the second swing member 18 also swings left and right with the bin l9 as a fulcrum, and the transmission section 22 is given vertical motion.

As shown in FIG. 6, the vertical motion given to the transmission section 22 is like an arrowhead corresponding to the above-mentioned vertical direction, with the link piece 30 provided at the bottom of the transmission section 22 using the bottle 31 as a fulcrum. It is transmitted as a movement of the left and right gyri. Since a rotating medium 32, for example, an idler, is provided at the end of the link piece 30, the vertical movement of the transmission section 22 moves the idler in the direction of the arrow, causing the driving section 33 (flywheel of a capstan, etc.) and the reel stand to move. 34, the F Ii'' or R, TDW operation is performed. Instead of the above-mentioned idler, a rotating medium such as a gear may be used.

On the other hand, lever 5 for IrFFF or lever 6 for R, E W
By pressing , the abutting portions 28 or 29 of the levers 5 and 6
contacts the second control unit 25 Vc and pushes the second control unit 25 forward. As a result, the control unit 2 of the old control unit 23
6 (tapered part) moves the engaging pin 24 of the control part 23 clockwise along the taper, so that the 23rd upper [
, ('4) The held parts such as the magnetic head are released from the play operation state and retreat. Therefore, the reel stand 3
For the tape above 4, only one of the fast-forward operations FFIJ)REW is performed.

The second in the fast forward or rewind operation as described above.
The function of the control part old 25? This will be explained in detail below.

When the FF lever 5 or T (, E W lever 6 is not pressed), the hook-shaped guide grooves 1, 1, and 12 provided on each lever are in an X-shaped intersecting state as shown in Fig. 7 (a). , and a swing pin [6] is located at the intersection thereof.

FIG. 7(b) shows the relative positional relationship between the control part 26 (tapered part) of the second control member 25 and the above-mentioned engagement pin 24, and the engagement pin 24 is not yet activated by the play operation means at this time. Leave it running.

Next, if we use the FF lever 5 or the REW lever 6, for example, the REG lever 6, the hook-shaped guide full moon, 12
The intersection point moves and the swing pin 16 begins to move to the left, and the abutment part 27 of the second control member 25 is moved at the position where the lever 6 for KR and EW is slightly pushed as shown in FIG. 8(a) and (bl). When the REW lega lever 6 contacts the contact portion 29K, the second control member 25 also starts moving forward.Then, as shown in FIG. Retract slightly to the right. The dotted line indicates the original position of the control 26. At this point, the swing pin 20 is attached to the actuating spring 2.
1 applies a force to the left, but it cannot swing because it is restricted by the groove 25A of the second control member 25.

Next, as shown in FIGS. 9A and 9B, when the R and E W levers 6 are further pushed, the engagement pin 24 is further moved back and the play operation means is released. At the same time, the swing pin 2
0 begins to be guided by the restriction part (tapered part) 38 of the second control member 25, and the transmission part 22 starts to move up and down, so the REW idler is pressed and the R and EWW operation means are set.

When the REG lever 6 for REW is further moved as shown in FIGS. Therefore, this completes the REW operation.

Note that while the swing pin 20 is regulated by the second control member 25 and its swing is stopped, the operating spring 210
Since the shear force during this time is absorbed by elasticity, no unreasonable force is applied.

Note that when the FF lever 5 is pressed, the oscillating beam 16 works in the same manner except that the oscillating light changes to the right, and the 17'F operation is performed.

When the PF or REW lever returns to its original position, the second control member 25 also returns to its original position in conjunction with the action of the control section 26 and the regulating section 38'.
The retaining pin 24 is returned to its original position by a function opposite to that described above. 11. At the same time, the idler for F F or R, E~■ is also returned to its original position (non-operating position).
The swinging pin returns to its original central position and the playing operation is resumed.

As is clear from the above description, according to the present invention, the control member is provided with a control section and a regulating section, and when the FF or REW lever is pushed, the control member is pushed forward in conjunction with this, so that the control member is first pushed a little. In the pressed position, the play operation means is released by the control section, and at the pressed position, the regulation section sets the FF or REW operation means, so that the play operation means is surely released. The timing for activating the FF or REW operation means can be determined only after this has been done.

Therefore, the fast winding operation 2 can be stably performed 1, and it is possible to prevent the drive system from being affected and the tape from being burdened.

In addition, the effective stroke Z can be fully utilized.

[Brief explanation of the drawing]

Figure 1, Figure 3, Figure 6, Figure 7 (a), (b)
10(al) to 10(b) are top schematic views showing an embodiment of the present invention, and FIGS. 2, 4, and 5 are side schematic views showing an embodiment of the present invention.5... L” Lever for F, 6...Lever for RE W, 11゜12+ 15...Guide groove, ]3.18...
- Swing member, 16.20... Swing pin, 21... Operating spring, 22... Transmission part, 23° 25... Control member, 25 A... Groove of control member 25, 26... - Control section, 38... Regulation section.

Claims (1)

[Claims] 1. A lever for fast forwarding and a lever for rewinding, a first control groove provided to operate in conjunction with these levers and for controlling the play operation means, and a fast forwarding or rewinding operation. a second control groove for controlling the play operation means and a control part having two parts, and the play operation means is released by the first control groove when the fast forward lever or the rewind lever is slightly pressed. A fast-forwarding and rewinding mechanism, characterized in that the second control groove sets the fast-forwarding or rewinding operation means at a position where the fast-forwarding lever or the rewinding lever is further pressed. 2. The fast forwarding and rewinding mechanism according to claim 1, wherein the first control groove and the second control groove have a tapered portion.