CN2045884U - Operating mechanism for tape recorder - Google Patents
Operating mechanism for tape recorder Download PDFInfo
- Publication number
- CN2045884U CN2045884U CN 89204125 CN89204125U CN2045884U CN 2045884 U CN2045884 U CN 2045884U CN 89204125 CN89204125 CN 89204125 CN 89204125 U CN89204125 U CN 89204125U CN 2045884 U CN2045884 U CN 2045884U
- Authority
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- China
- Prior art keywords
- magnetic head
- parts
- installing plate
- head installing
- blocked
- Prior art date
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- Expired - Lifetime
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- Supporting Of Heads In Record-Carrier Devices (AREA)
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Abstract
The utility model discloses an operating mechanism for a tape recorder. The utility model is characterized in that a magnetic head installation plate is integrated with reproducing operating components; the magnetic head installation plate is connected with blocked components through a spring; the advance and retreat directions of the magnetic head installation plate are the same as the advance and retreat directions of the blocked components which can move forward and backward freely; when the magnetic head installation plate moves forward, the blocked components are pushed to move forward by the magnetic head installation plate; the blocked components are blocked by blocking components so that the magnetic head installation plate is settled at the specified forward position; when abnormal situations in which the magnetic head installation plate is hindered from moving forward occur, recording operation can not be carried out due to the inability of the magnetic head installation plate to push the reproducing operating components.
Description
The utility model relates to the operating device for magnetic tape recorder that can handle immediately when the motionless this abnormal conditions of having carried out reproduction process magnetic head installing plate take place.
In the past, have a kind of known operating device for magnetic tape recorder (JP-special public clear-50-18363), by pushing reproduction process parts the magnetic head installing plate being advanced carries out the reproduction action, carries out recording by pushing recording operation parts and above-mentioned reproduction process parts and move.Reappearing under the operating state,, carrying out operation or return action fast by pushing fast or the functional unit that unrolls retreats the magnetic head installing plate.Along with above-mentioned fast or the resetting of the functional unit that unrolls, make the said head installing plate get back to progressive position, so that recover heavily action.
In this existing operating device for magnetic tape recorder, reproduction process parts (control lever 10) are connected by elastomeric element (second volute spring 16) with magnetic head installing plate (sliding substrate 1).By pushing reproduction process parts, the magnetic head installing plate is advanced by means of elastomeric element.In case resemble when hindering the abnormal conditions of magnetic head installing plate advancing to take place, at first,, the elastomeric element distortion reappears parts while being pushed, but in this case, because the magnetic head installing plate does not advance, can not carry out the reproduction action even therefore pushed the reproduction process parts.When this abnormal conditions occurring, the danger that damages sound-track engraving apparatus is arranged, also have simultaneously wait realize reappear volume little, comprehend the danger that has occurred when unusual late.
Even so, do not send during reproduction process and reappear just can being found unusually soon of sound, and situation is just more serious when recording operation, that is to say, originally be sure of just can record by recording operation parts and reproduction process parts, when realizing abnormal conditions, rare sound-track engraving apparatus can miss, and can't retrieve.
In view of the foregoing, even when the purpose of this utility model is to provide the abnormal conditions that the contingency generation reappears or recording operation magnetic head installing plate does not also move, can realize immediately and suitably handle should be unusual, the F.F. that the while can carry out and mechanism in the past is same or the operating device for magnetic tape recorder of return.
For achieving the above object, operating device for magnetic tape recorder of the present utility model is to constitute like this: the reproduction process parts that become one with it are set on the magnetic head installing plate, with spring connect this magnetic head installing plate with this magnetic head installing plate advance and retreat direction identical can freely advance and retreat be blocked parts.In the said head installing plate advanced process, this magnetic head installing plate promoted the above-mentioned parts that are blocked and advances, and stops that with stop member this is blocked parts, so that make this magnetic head installing plate rest on the progressive position of regulation.
The effect of this mechanism is:
Hinder the abnormal conditions of magnetic head installing plate advancing in case resemble, the reproduction process parts just push away motionless.
Equally, when recording operation, if abnormal conditions take place, the reproduction process parts also push away motionless, thereby can not record action.
In addition, reappearing under the operating state, when pushing F.F. or unrolling functional unit, be blocked parts and be blocked in progressive position in the same old way, have only the magnetic head installing plate to retreat and carry out F.F. or return, when F.F. or when unrolling functional unit involution original position, make the magnetic head installing plate recover to advance by means of spring, enter reproduction state.
Below, an embodiment of the present utility model is described with reference to the accompanying drawings.
Fig. 1 is the planimetric map of the halted state of operating device for magnetic tape recorder.
Fig. 2 is the planimetric map of reproduction state.
Fig. 3 is the planimetric map of F.F. operating state.
Fig. 4 is the planimetric map that is converted to a certain position the process of return action from recording action.
Among Fig. 1, be installed with on the substrate 1 a pair of can free rotating left and right sides hub of a spool 2,3.The bottom of these hub of a spools 2,3 is provided with hub of a spool gear 4,5 respectively.
The hub of a spool gear 4 on right side meshes with idling gear 7 with idling gear 6 and low speed (standard speed) transmission with the high speed transmission respectively among the figure.But the high speed transmission uses idling gear 6 free rotaring ground supportings on substrate 1.But the low speed transmission about central part of idling gear 7 free rotaring ground supportings at transmission arm 8.One end of this transmission arm 8 is positioned at the downside of hub of a spool gear 4, and its centre of gyration is consistent with hub of a spool 2.And the side of this end of transmission arm 8 is provided with the tongue-like pieces 9 of plane trigonometry shape.The other end of transmission arm 8 is provided with the columnar protrusions 10 that plays a supporting role.Transmission arm 8 is pressed to a side (clockwise direction among the figure) by volute spring 11.
The driven wheel 12 that is used for the high speed transmission and high speed transmission can freely contact or be meshed with breaking away from idling gear 6 with the hub of a spool gear 5 that is arranged in the figure left side.The low speed transmission is meshed with driven wheel 13 with driven wheel 12 little low speed transmissions than high speed transmission with idling gear 7 and diameter, and can freely contact or break away from.
But high speed and low speed transmission driven wheel 12 and 13 coaxial one and free rotaring ground supporting a end at drive link 14.The position of this drive link 14 is at the downside of transmission arm 8, but and its position in the middle of roughly with the axle free rotaring ground supporting on substrate 1.The other end of drive link 14 is provided with column engagement protrusion 15.Drive link 14 is pressed to clockwise direction among the figure by volute spring 16, i.e. high speed transmission with driven wheel 12 and low speed transmission with driven wheel 13 respectively with the high speed transmission with idling gear 6 and low speed transmission direction with idling gear 7 engagements.
The 17th, recording is installed, reappear the magnetic head installing plate of magnetic head, it be set at substrate 1 above, can freely advance and retreat along fore-and-aft direction.The microscler through hole 18,19 that is located at magnetic head installing plate 17 both sides can match with cylindricality engagement protrusion 20,21 above being located at substrate 1 with being free to slide.Magnetic head installing plate 17 is pulled to direction of retreat (away from the direction of hub of a spool 2,3) by volute spring 22.
Leading section one side of magnetic head installing plate 17 (left side among the figure) is extended forward, and the reproduction process parts 24 that become one with this part are being set above.Rearward end one side of magnetic head installing plate 17 is provided with outstanding engagement tabs 25.When magnetic head installing plate 17 is in stop position (state of Fig. 1), because its engagement tabs 25 engages with the projection that plays a supporting role 10 of transmission arm 8, this transmission arm 8 overcomes the elastic force of volute spring 11, be tending towards along revolution counterclockwise among the figure, the low speed transmission keeps not engagement with idling gear 7 and low speed transmission with driven wheel 13.Yet, the elastic force that overcomes volute spring 22 when magnetic head installing plate 17 is advanced and when being in reproduction (recording) position (state of Fig. 2), because its engagement tabs 25 is left the engagement protrusion 10 of transmission arm 8, the just revolution of the clockwise direction in the effect lower edge figure of the elastic force of volute spring 11 of this transmission arm 8 makes the low speed transmission keep engagements with idling gear 7 and low speed transmission with driven wheel 13.
At the downside of about central part of magnetic head installing plate 17, be provided with on the direction identical, can freely advance and retreat with the advance and retreat direction of magnetic head installing plate 17 stopped parts 26.In being blocked parts 26, be provided with a pair of microscler through hole 27,28.These slotted holes 27,28 can cooperate with cylindricality engagement protrusion 29,30 on magnetic head installing plate 17 with being free to slide.Being blocked parts 26 is connected by volute spring 31 with magnetic head installing plate 17, because the effect of this volute spring 31, magnetic head installing plate 17 and be blocked parts 26 and be pressed towards opposite direction, promptly, magnetic head installing plate 17 is tending towards working direction, is tending towards direction of retreat and stop parts 26.
At the back side of substrate 1, the left side of magnetic head installing plate 17 is setting gradually recording operation parts 32 to the right from figure, the functional unit 33 that unrolls, transfer operation parts 34 and shut-down operation parts 35 fast.The engagement tabs 36 of establishing right side in the drawings of recording operation parts cooperates with the slotted hole 37 in being arranged on the reproduction process parts 24 that become one with magnetic head installing plate 17 with can move freely, yet, when halted state forwards pushes recording operation parts 32 and enters recording state, because this engagement tabs 36 contacts with the end face of the slotted hole 37 of reproduction process parts 24, therefore push retry parts 24, magnetic head installing plate 17 to the place ahead together with recording operation parts 32.In addition, forwards push reproduction process parts 24 from halted state, when entering reproduction state, because the engagement tabs 36 of recording operation parts 32 can cooperate with slotted hole 37 with moving freely, therefore, the power that promotes reproduction process parts 24 can not pass to the recording operation parts.
The 38th, erase magnetic head, it is installed in an end of revoliving arm 39.The other end side of revoliving arm 39 can be installed in a top side of substrate 1 with freely rotating by axle 39a.The ligand 39b that stretches out to the other end side surface direction of revoliving arm 39 passes the opening portion (omitting among the figure) of substrate 1, can be slidingly matched with the cam path 40 that is arranged on the recording operation parts 32.When recording operation parts 32 were in halted state, revoliving arm 39 is the clockwise direction revolution in figure, and erase magnetic head 38 is maintained at and is placed on the discontiguous position of tape of given position.But when forwards pushing recording operation parts 32 and enter recording state, because cam path 40, makes revoliving arm 39 counter-clockwise direction revolution in figure for the guiding function of ligand 39b, 38 of erase magnetic heads move to and the contacted position of tape.
In the leading section both sides of unrolling functional unit 33, be provided with first and second and stretch out sheet 41 and 42.First right side of stretching out sheet 41 on right side is provided with the leader 41a and the contact portion 41b that is made of the face parallel with the moving direction of the functional unit 33 that unrolls that the inclined-plane constitutes in the drawings.Second right side of stretching out sheet 42 is provided with the contact portion 42a that tortuous sheet constitutes in the drawings.Move to the state of progressive position at magnetic head installing plate 17, when functional unit 33 is unrolled in pushing forward, be accompanied by This move, the engagement protrusion 15 of drive link 14 cooperates with leader 41a sliding contact, thus, drive link 14 overcomes elastic force revolution counterclockwise in figure of volute spring 16.When the functional unit 33 that unrolls arrives progressive position, the engagement protrusion 15 of drive link 14 and first is stretched out the contact portion 41b contact matching of sheet 41, drive link 14 counterclockwise is turned back to big limit in figure, at this moment, the high speed transmission enters engagement with the hub of a spool gear 5 in left side among driven wheel 12 and the figure.
In addition, move to the state of progressive position at magnetic head installing plate 17, the pushing operation 33 o'clock of unrolling forward, second stretches out end one side contacts of contact portion 42a and the pivoted lever 43 of sheet 42, and this pivoted lever 43 turns round towards the clockwise direction among the figure.About central part of pivoted lever 43 is rotatably supported on the substrate 1 by axle.Side at the other end of pivoted lever 43 is provided with first and second engagement tabs 44 and 45 that divaricate.The one lateral edges 9a contact matching of stretching out sheet 9 of first engagement tabs 44 and transmission arm 8, an end face 46a contact matching of second engagement tabs 45 and sliding panel 46.So when pivoted lever 43 clockwise direction when revolution in figure, its other end contacts with the contact chip 17a that is made of the tortuous sheet that is arranged on magnetic head installing plate 17 back edge opposite sides, the elastic force that makes magnetic head installing plate 17 overcome volute spring 31 is drawn back.
When pivoted lever 43 turns round toward the clockwise direction, a lateral edges 9a contact matching of stretching out sheet 9 of its first engagement tabs 44 and transmission arm 8, transmission arm 8 overcomes the elastic force of volute spring 11 and turns round towards the counter clockwise direction among the figure.
Turn round toward the clockwise direction owing to pivoted lever 43 again, an end face 46a contact matching of its second engagement tabs 45 and sliding panel 46, this sliding panel 46 moves towards the direction away from hub of a spool 2,3.Because moving of this sliding panel 46, its other end 46b contacts with the installing component 47 of contact roller, and this contact roller installing component 47 is revolution counterclockwise in figure.So driven contact roller 48 just leaves feed spool 49.
The installing component 47 of contact roller is bearing in above the substrate 1 by axle free to rotately.This contact roller installing component 47 is pressed to clockwise direction among the figure by volute spring 54, and promptly contact roller 48 is pressed towards with feed spool 49 and compresses the direction that contacts.This volute spring 54 is erected between contact roller installing component 47 and the magnetic head installing plate 17.In halted state, because contact roller installing component 47 and second engagement tabs, 55 contact matching that are arranged on magnetic head installing plate 17 front end opposite sides (right side among the figure), parts 47 overcome the elastic force of spring 54 and turn round towards the counter clockwise direction among the figure, and its contact roller 48 keeps the state with feed spool 49 disengagings.
Be provided with at the quick leading section of functional unit 34 and stretch out sheet 56.This stretches out sheet 56 and is respectively equipped with the second contact portion 56b that the first contact portion 56a that the local projection tab that is positioned at the one side constitutes and the face by parallel with the moving direction of quick transfer operation parts 34 that is positioned at opposite side constitute, and the leader 56c that is made of the inclined-plane.In halted state, the first contact portion 56a contacts with an end of pivoted lever 43, engagement protrusion 15 contact matching of while second contact portion 56b and drive link 14, thus drive link 14 is maintained a neutral position.When reappearing (recording) action, push quick transfer operation parts 34 forward, because the impetus of its first contact portion 56a, pivoted lever 43 is the clockwise direction revolution in the figure, simultaneously, because the engagement protrusion 15 of drive link 14 is slided to leader 56c contact from the second contact portion 56b, this drive link 14 is clockwise direction revolution in the figure under the resilient force of volute spring 16.
In addition, each functional unit 32-35 moves to rear side (away from a side of hub of a spool 2,3) respectively under volute spring (omitting among the figure) effect.
Be provided with the stop member 57 that can move freely along left and right directions in the end of aforesaid substrate 1 fore side, this stop member 57 is pressed to a side (left side among the figure) by volute spring 58.Be provided with recess 59,60,61,62,63 at the edge that stops parts 57 fore sides, these recesses 59-63 corresponds respectively to each functional unit 32-35 and is blocked parts 26.
The recording, functional unit 32,33 unrolls, be blocked the right side edge that parts 26 and quick transfer operation parts 34 correspond respectively to figure center dant 57-62, be respectively equipped with outstanding hook portion 64,65,66,67 in the right side edge of recess 59-62.There is the guide surface 64a-67a that is made of the inclined-plane at each edge of the fore side of these hook portions 64-67.End that deviates from fore side at these guide surfaces 64a-67a forms the blocking surface 64b-67b that is made of the face parallel with the moving direction of stop member 57.Form the stop surface 64c-67c that constitutes by the face vertical on the terminal part of these blocking surfaces 64b-67b with the moving direction of stop member 57.In addition, with the figure of shut-down operation parts 35 corresponding concave part 63 in right side edge partly form the guide surface 63a that constitutes by the inclined-plane.
The guide surface 64a-67a of each recess 59-62, blocking surface 64b-67b, stop surface 64c-67c and be separately positioned on each functional unit 32-34 and the column engagement protrusion 32a-34a and the 26a sliding contact that are blocked on the parts 26 cooperate.And the guide surface 63a sliding contact that is arranged on the same corresponding concave part 63 with it of column engagement protrusion on the shut-down operation parts 35 cooperates.In addition, with recording, unroll and fast guide surface 64a, 65a, the 67a of transfer operation parts 32-34 corresponding concave part 59,60,62 is identical with respect to the pitch angle of the mobile axis of stop member 57, be made as θ.And also identical with the guide surface 66a and the 63a that are blocked parts 26 and shut-down operation parts 35 corresponding recesses 61 and 63 with respect to the pitch angle of the mobile axis of stop member 57, be made as θ
1, and this inclination angle [theta]
1Inclination angle [theta] less than guide surface 64a, 65a, 67a.
Length is identical each other with blocking surface 64b, the 65b, the 67b that record, unroll and transmit fast each functional unit 32-34 corresponding concave part 59,60,62, is made as L, with the length L of the blocking surface 66b that is blocked parts 26 corresponding recesses 61
1Length L greater than blocking surface 64b, 65b, 67b.
Below, each action is described.Fig. 1 represents halted state.Under this state, the elastic force of placing tape (omitting among the figure) and overcoming spring 22 forwards pushes reproduction process parts 24.Main switch (omitting among the figure) conducting, make motor (omitting among the figure) revolution and drive at a high speed, the low speed transmission is with driven wheel 12,13 and feed spool 49, and, the magnetic head installing plate 17 that becomes one with reproduction process parts 24 and be blocked parts 26 and advance.When this is blocked parts 26 and advances, because the guide surface 66a of its column engagement protrusion 26a pushing recess 61, elastic force that stop member 57 overcomes volute spring 58 right side in the figure is moved.When the column engagement protrusion 26a that is blocked parts 26 surpasses the end of a side opposite with fore side of guide surface 66a, stop member 57 under the resilient force of spring 58 in the figure left side move, be blocked column engagement protrusion 26a and the blocking surface 66b and the stop surface 66c contact matching of parts 26, thereby make magnetic head installing plate 17 and reproduction process parts 24 with being blocked parts 26, overcome the elastic force of volute spring 22, be blocked and remain on progressive position, promptly reappear the position.In magnetic head installing plate 17 advanced process, by the clockwise direction revolution in the figure of volute spring 54 connected contact roller installing components 47, contact roller 48 and feed spool 49 contacted by magnetic tape pressure.In addition, in magnetic head installing plate 17 advances process, because its engagement tabs 25 is left the engagement protrusion 10 of transmission arm 8, this transmission arm 8 is clockwise direction revolution in the figure under the resilient force of spring 11, is mounted slowly running and be meshed with driven wheel 13 with the low speed transmission with idling gear 7 thereon.The turning power of this driven wheel 13 is delivered to the hub of a spool gear 4 on right side among the figure by idling gear 7.So hub of a spool 3 one sides on tape left side from figure are carried out and are reappeared action (state of Fig. 2) towards hub of a spool 2 slow runnings on the right
When the above-mentioned reproduction of execution is moved, if push the quick transfer operation parts 34 or the functional unit 33 that unrolls, just carry out F.F. or return action, if F.F. or return parts involution original position then are in the reproduction operating state again.
At reproduction operating state shown in Figure 2, when for example bulldozing operation parts 34 made it to advance, because the guide surface 67a in its column engagement protrusion 34a pushing recess 62, stop member 57 just overcame elastic force right side in figure of spring 58 and moves.
In the process that fast transfer operation parts 34 advance, its first contact portion 56a promotes pivoted lever 43 clockwise direction revolution in the figure.Revolution along with this pivoted lever 43, a because lateral edges 9a who stretches out sheet 9 of its first engagement tabs, 44 extruding transmission arms 8, this transmission arm 8 overcomes the elastic force of spring 11 and counterclockwise turns round in figure, and low speed transmission this moment breaks away from mutually with the driven wheel 13 of idling gear 7 with the low speed transmission.In addition, be accompanied by the revolution of pivoted lever 43, because its second engagement tabs 45 is by sliding panel 46 pushing contact roller installing components 47, this contact roller installing component 47 just overcomes the elastic force of spring 54 and counterclockwise turns round in figure, and contact roller 48 leaves certain distance with feed spool 49.Moreover along with the revolution of pivoted lever 43, because the contact chip 17a of its other end pushing magnetic head installing plate 17, this magnetic head installing plate 17 overcomes the elastic force slow astern segment distance of spring 31, and recording, reproduction magnetic head and tape also just stand away mutually.
In the process that transfer operation parts 34 advance fast, the engagement protrusion 15 of its second contact portion 56b and drive link 14 is thrown off mutually, this drive link 14 is clockwise direction revolution in the figure under the resilient force of volute spring 16, the driven wheel 12 and the high speed transmission of high speed transmission are meshed with idling gear 6, the turning power of the driven wheel 12 of high speed transmission passes to the hub of a spool gear 4 on right side among the figure by the high speed transmission with idling gear 6, thereby carries out F.F. action (state of Fig. 3).
When carrying out the reproduction action, the functional unit 33 if pushing is unrolled, high speed transmission driven wheel 12 just mesh with hub of a spool gear 5, carry out return action.
At F.F. operating state shown in Figure 3, the column engagement protrusion of transmitting functional unit 34 fast also surpasses the side end opposite with fore side of the guide surface 67a of recess 62, being blocked friction force between the blocking surface 66b of the column engagement protrusion 26a of parts 26 and stop member 57 stops elastic force that stop member 57 overcomes spring 58 left side in the figure to be moved, so, fast the column engagement protrusion 34a of transfer operation parts 34 is not subjected to the stopping of blocking surface 67b of recess 62, when hand leaves quick transfer operation parts 34, these parts 34 retreat at once, follow This move, the action of each moving part is opposite with above-mentioned situation, gets back to reproduction operating state shown in Figure 2 once more.
In halted state shown in Figure 1, when pushing recording operation parts 32 forward, with the magnetic head installing plate 17 that the reproduction process parts 24 with its interlock become one, the elastic force that overcomes spring 22 is advanced.
In the process that recording operation parts 32 advance, because the guide surface 64a of its column engagement protrusion 32a pushing recess 59, stop member 57 just overcomes elastic force right side in figure of spring 58 and moves, and when the column engagement protrusion 32a of recording operation parts 32 exceeds the end of a side opposite with fore side of guide surface 64a, stop member 57 under the resilient force of spring 58 in figure the left side move the column engagement protrusion 32a of recording operation parts 32 and blocking surface 64b and stop surface 64c contact matching.Meanwhile, the column engagement protrusion 26a that is blocked parts 26 also with the blocking surface 66b and the stop surface 66c contact matching of recess 61.Because This move, recording operation parts 32 are blocked in progressive position with reproduction process parts 24 and magnetic head installing plate 17, and are the same when the action of each moving part is moved with above-mentioned reproduction, carry out the recording action.
Under this recording operating state, when the quick transfer operation parts 34 of pushing or when unrolling functional unit 33, carry out F.F. or return action, when quick transmission or the functional unit that unrolls reset, be converted to and reappear action.
That is, at the recording operating state, for example pushing when unrolling functional unit 33, because the guide surface 65a of its column engagement protrusion 33a pushing recess 60, move on the elastic force that stop member 57 just overcomes spring 58 right side in the figure; And when the column engagement protrusion 33a of the functional unit 33 that unrolls exceeds the end of a side opposite with fore side of guide surface 65a, as shown in Figure 4, because the column engagement protrusion 32a of recording operation parts 32 breaks away from blocking surface 64b simultaneously, so these recording operation parts 32 are got back to going-back position.Follow This move, the revoliving arm 39 of erase magnetic head 38 is the clockwise direction revolution in the figure.On the other hand, in the process that the above-mentioned functional unit 33 that unrolls advances, because its second contact portion 42a pushing pivoted lever 43 that stretches out sheet 42, the just clockwise direction revolution in the figure of this pivoted lever 43.Because this single-revolution, identical with the situation of under above-mentioned reproduction operating state, carrying out quick transmission operation, recording, reproduction magnetic head 23 stand away mutually with tape, simultaneously, contact roller 48 leaves certain distance with feed spool 49, and the revolution counterclockwise in the figure of transmission arm 8 elastic force that overcomes spring 11.In addition, in the functional unit that unrolls advances process, because its first engagement protrusion 15 of stretching out the leader 41a pushing drive link 14 of sheet 41, this drive link 14 overcomes the elastic force of spring 16 and counterclockwise turns round in figure, hub of a spool gear 5 engagements in left side among high speed transmission driven wheel 12 and the figure, the hub of a spool high speed rotary on the left of making.Because This move, tape is from the hub of a spool 3 in the hub of a spool 2 one side direction left side on right side unroll at a high speed (return action).
When carrying out this return action, according to carrying out the identical reason of situation of quick transfer operation down with above-mentioned reproduction operating state, the column engagement protrusion 33a of the functional unit 33 that unrolls is not subjected to the stopping of blocking surface 65b of recess 60.Therefore, when hand leaves when unrolling functional unit 33, these parts 33 retreat at once.Follow This move, the action of each moving part is opposite with above-mentioned situation, converts reproduction action shown in Figure 2 to.
Reappearing under action or the recording operating state, when pushing shut-down operation parts 35 forward, because the guide surface 63a of its column engagement protrusion 35a pushing recess 63, move on the elastic force that stop member 57 just overcomes spring 58 right side in the figure.Owing to be blocked disengaging blocking surface 66b or the 64b of the column engagement protrusion 32a of the column engagement protrusion of parts 26 or recording operation parts 32, magnetic head installing plate 17, be blocked parts 26 and reproduction process parts 24 together retreat, perhaps recording operation parts 32 also retreat, and become halted state shown in Figure 1.
The operating mechanism of aforesaid tape recorder of the present utility model, because reproduction process parts and magnetic head installation plate become one, in case the abnormal conditions that hinder magnetic head installation plate to advance just push away motionless reproduction process parts when taking place, therefore at once unusual circumstance does not have and puts these abnormal conditions in the danger of ignoring.
In addition, if can not carry out the recording action owing to can not push the reproduction process parts during recording operation, therefore, can take with any suitable countermeasures such as other recorder replace, what is called is missed the situation that rare recorder understands and just can be avoided.
And, owing on magnetic head installation plate, connecting by spring and be blocked parts, along with being blocked parts, this is blocked in progressive position, magnetic head installation plate also rests on progressive position, therefore pushing quick transmission or unrolling functional unit and be blocked in the situation that parts still stop at progressive position, magnetic head installation plate is retreated, also can obtain to carry out and in the past same quick transmission or the effect of unrolling and operating.
Claims (1)
- Operating device for magnetic tape recorder, the magnetic head installing plate is advanced and carries out to reappear and move by pushing reproduction process parts, carry out the recording action by pushing recording operation parts and above-mentioned retry parts, when carrying out the reproduction action, by pushing fast or the functional unit that unrolls retreats the said head installing plate to carry out F.F. or return action, along with the above-mentioned quick transfer operation parts or the functional unit that unrolls reset, make the said head installing plate return progressive position, recover to reappear action, it is characterized in that, the reproduction process parts that become one with it in the setting of said head installing plate, this magnetic head installing plate is connected by spring with the advance and retreat direction parts that are blocked that can freely advance and retreat identical with it, when this magnetic head installing plate advances, the above-mentioned parts that are blocked are promoted to advance by this magnetic head installing plate, stop that by stop member this portion of being blocked makes the magnetic head installing plate rest on the progressive position of regulation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988024454U JPH0749642Y2 (en) | 1988-02-24 | 1988-02-24 | Tape recorder operation mechanism |
| JP24454/88 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2045884U true CN2045884U (en) | 1989-10-11 |
Family
ID=12138609
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88221212 Expired - Lifetime CN2046263U (en) | 1988-02-24 | 1988-12-22 | Operational mechanism of tape recorder |
| CN 88108771 Expired CN1017944B (en) | 1988-02-24 | 1988-12-22 | Operating device for magnetic tape recorder |
| CN 89102112 Pending CN1036852A (en) | 1988-02-24 | 1989-02-23 | Operating device for magnetic tape recorder |
| CN 89204125 Expired - Lifetime CN2045884U (en) | 1988-02-23 | 1989-02-23 | Operating mechanism for tape recorder |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88221212 Expired - Lifetime CN2046263U (en) | 1988-02-24 | 1988-12-22 | Operational mechanism of tape recorder |
| CN 88108771 Expired CN1017944B (en) | 1988-02-24 | 1988-12-22 | Operating device for magnetic tape recorder |
| CN 89102112 Pending CN1036852A (en) | 1988-02-24 | 1989-02-23 | Operating device for magnetic tape recorder |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH0749642Y2 (en) |
| CN (4) | CN2046263U (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6242135U (en) * | 1985-09-03 | 1987-03-13 | ||
| JPH0531695Y2 (en) * | 1985-09-03 | 1993-08-16 |
-
1988
- 1988-02-24 JP JP1988024454U patent/JPH0749642Y2/en not_active Expired - Lifetime
- 1988-12-22 CN CN 88221212 patent/CN2046263U/en not_active Expired - Lifetime
- 1988-12-22 CN CN 88108771 patent/CN1017944B/en not_active Expired
-
1989
- 1989-02-23 CN CN 89102112 patent/CN1036852A/en active Pending
- 1989-02-23 CN CN 89204125 patent/CN2045884U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN1017944B (en) | 1992-08-19 |
| JPH0749642Y2 (en) | 1995-11-13 |
| JPH01133236U (en) | 1989-09-11 |
| CN2046263U (en) | 1989-10-18 |
| CN1036852A (en) | 1989-11-01 |
| CN1035380A (en) | 1989-09-06 |
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