CN1030320A - Loading device for magnetic tape - Google Patents
Loading device for magnetic tape Download PDFInfo
- Publication number
- CN1030320A CN1030320A CN 88103222 CN88103222A CN1030320A CN 1030320 A CN1030320 A CN 1030320A CN 88103222 CN88103222 CN 88103222 CN 88103222 A CN88103222 A CN 88103222A CN 1030320 A CN1030320 A CN 1030320A
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- CN
- China
- Prior art keywords
- mentioned
- tape
- movable link
- erase head
- guide
- Prior art date
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/66—Threading; Loading; Automatic self-loading
- G11B15/665—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container
- G11B15/6653—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container to pull the record carrier against drum
- G11B15/6656—Threading; Loading; Automatic self-loading by extracting loop of record carrier from container to pull the record carrier against drum using two-sided extraction, i.e. "M-type"
Landscapes
- Automatic Tape Cassette Changers (AREA)
- Transmission Devices (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
This loading device for magnetic tape has: the tape guide, as the guiding tape from the tape cassete outside this box, again from the place ahead of erase head by sliding into the position that engages with this erase head and guide pillar; The motor that this tape guide is slided; And the movable link that supports above-mentioned erase head.It is characterized by and be provided with the movable link drive unit, be used for making above-mentioned tape guide not contact above-mentioned movable link and after passing through from the place ahead of above-mentioned erase head, utilize said motor to drive above-mentioned movable link again, make above-mentioned erase head contact on above-mentioned tape.
Description
The present invention relates to video tape recorder such as VTR() magnetic recording/reproducing device etc. in the loading device for magnetic tape (テ-プ ロ-デ イ Application グ) installed.
Existing loading device for magnetic tape as shown in Figure 4, it has: tape guide C, be used for tape is directed in tape cassete outside this tape cassete, make tape pass through the place ahead of erase head a then, slide into the position that engages with this erase head a and guide pillar b; Be used for making the motor d of this tape guide C slip; And the movable link e that is used for supporting above-mentioned erase head a.
The structure of this existing loading device for magnetic tape is: e's tape guide C contacts with the side of movable link e along with the slip of himself, this movable link e is returned, promptly revolt the elastic force of spring f, rotate along the counter clockwise direction among the figure, be pushed to the outside of the sliding trace of this tape guide C, and make erase head a temporarily not contact tape, thereby tape guide C just passes through from the place ahead of erase head a.Because the drag effect of movable link e, make tape guide C in sliding process with vibration, tape is left be arranged on the ring groove on the vertical rod g on the tape guide C, therefore can not successfully carry out tape and load action, when carrying out tape loading action, might make tape looseing.
The present invention be directed to that the problems referred to above propose, its order provides a kind of loading device for magnetic tape, can make tape load action and successfully carry out, and carrying out tape when loading action, can prevent tape looseing conscientiously.
In order to address the above problem, the loading device for magnetic tape of present design has: be used for tape is directed to tape guide outside this tape cassete in tape cassete, it makes tape pass through from the place ahead of erase head, slides into the position that engages with this erase head and guide pillar; Be used for making the motor of this tape guide slip; And the movable link that is used for supporting above-mentioned erase head.The feature of this loading device for magnetic tape is to be provided with the movable link drive unit, be used for making above-mentioned tape guide not contact above-mentioned movable link and after passing through from the place ahead of above-mentioned erase head, utilize the above-mentioned movable link of above-mentioned motor driven, just make above-mentioned erase head contact on above-mentioned tape.
The effect of this device is that the tape guide can not contact the movable link that supports erase head and reciprocatingly slides.
Below one embodiment of the present of invention will be described with reference to the accompanying drawings.
Fig. 1 is the planimetric map of loading device for magnetic tape state of living in before loading of the design;
Fig. 2 is the planimetric map after loading;
Figure 3 shows that the planimetric map of loading device for magnetic tape in the another embodiment of the present invention;
Fig. 4 is the planimetric map of loading device for magnetic tape in the prior art.
Among Fig. 1 and Fig. 2,1 represents for example VTR(video tape recorder) etc. the chassis of magnetic recording/reproducing device, on this chassis 1, be provided with the design's loading device for magnetic tape 2, this loading device for magnetic tape 2 utilizes tape cassete load maintainer (not shown) to load, in the tape cassete that is in the installation site, tape is drawn, make tape be bonded on the cylinder of guide pillar 3 with given angle, on this guide pillar 3 the magnetic head (not shown) is housed, and be set at the given position above the above-mentioned chassis 1, and can rotate freely.This loading device for magnetic tape 2 have a pair of loading arm 4 and with the gear mechanism 5 of the mutual interlock of these loading arms.The end of the 1st arm member 4a of above-mentioned loading arm 4 is connected with the end of the 2nd arm member 4b, and free to rotate.The other end of two the 1st above-mentioned arm member 4a, 4a be positioned at above-mentioned guide pillar 3 near, with axle be installed in above-mentioned chassis 1 below, and can positive and negatively in given angular range freely rotate.In above-mentioned two the 2nd arm member 4b(figure, one of them only is shown) an other end on, fixing guide block (tape guide) 6 respectively, among these guide blocks 6(figure one of them only is shown) be positioned at the both sides of above-mentioned guide pillar 3, be bonded on to be located among the guide groove 7(figure that has given shape on the above-mentioned chassis 1 one of them only be shown) in, and can be free to slide.Above-mentioned each be respectively equipped with guiding tape tilting bar 8 and the vertical rod 9 used above the guide block 6.
These tilting bars 8 and vertical rod 9 pass the top that above-mentioned guide groove 7 extends to above-mentioned chassis 1.Be provided with block 10 in the end of above-mentioned guide groove 7, be used for limiting the extreme position that above-mentioned guide block 6 slides facing one direction.Above-mentioned gear mechanism 5 has a pair of intermeshed gear 11,11, utilize the spring (not shown) to be installed on the other end of above-mentioned two the 1st arm member 4a, 4a, and can rotate freely together, one of them (among Fig. 1 one of the left side) gear 11 is connected on the motor (not shown) by means of the gear train (not shown), utilize the forward and reverse rotation of this motor to drive above-mentioned loading arm 4,4 expanding-contracting actions, along with this expanding-contracting action, above-mentioned guide block 6 reciprocatingly slides along guide groove 7.
Be positioned at the outside of the guide groove 7 of an above-mentioned side, and on above-mentioned chassis 1, movable link 12 be housed.Utilize axle B with about middle part of this movable link 12 be bearing in this chassis 1 above, and can rotate freely.End at above-mentioned movable link 12 is equipped with erase head 14.
Above-mentioned movable link 12 is because the effect of volute spring 15, is subjected to facing one direction the elastic force effect of (in Fig. 1 along clockwise direction).One end of this volute spring 15 is fixed on the other end of movable link 12, the other end of volute spring 15 then be fixed on above-mentioned chassis 1 above.On above-mentioned chassis 1, be provided with outstanding block 16, be used for limiting the extreme position that above-mentioned movable link 12 rotates towards a direction.
Above-mentioned movable link 12 is connecting movable link drive unit 17.This movable link drive unit 17 has sliding panel 18 and rotor plate 19.Above-mentioned sliding panel 18 be installed in above-mentioned chassis 1 below, and can in given scope, be free to slide.End at this sliding panel 18 has a copulational protuberance part 18a, and has a slotted hole 18b in the middle part approximately at it.The outstanding joint tip 12a of the copulational protuberance part 18a of above-mentioned sliding panel 18 below the opposite side that is installed in movable link 12 other ends contacts.So, when above-mentioned sliding panel 18 when a direction (in Fig. 1 right-hand) is slided, because this copulational protuberance part 18a is bonded on the joint tip 12a on the above-mentioned movable link 12, therefore the elastic force of these movable link 12 resistance volute springs 15 rotates to other direction (along counter clockwise direction among Fig. 1).
When this other direction rotated, above-mentioned guide block 6 was in contactless state with this movable link 12 and erase head 14 at this movable link 12.This sliding panel 18 is owing to the effect of volute spring 21 is subjected to towards (to the right the elastic force effect among Fig. 1 of a direction.The elastic force of this volute spring 21 designs greater than the elastic force of the volute spring 15 of above-mentioned movable link 12, the one end is fixed on an end of above-mentioned sliding panel 18, the other end then passes above-mentioned slotted hole 18b and is fixed on the above-mentioned chassis 1, in the length range of this slotted hole 18b, above-mentioned sliding panel 18 can be free to slide.One end of above-mentioned rotor plate 19 be installed in above-mentioned chassis 1 below, and can in given angular range, freely rotate, and the joint tip 19a of its other end engages with the joint slotted hole 18C of the other end of above-mentioned sliding panel 18, and free to rotate.On a side of about middle part of above-mentioned rotor plate 19, be provided with outstanding copulational protuberance part 19C, the end of this copulational protuberance part 19C and the composition surface sliding joint of catching up with a side of stating the concentric circular arc copulational protuberance part 11a of a gear 11, this faying face is located at the given position of a side of said gear 11 highlightedly.So along with an above-mentioned gear 11 rotates a given angle towards a direction (among Fig. 1 along clockwise direction), the composition surface sliding joint of above-mentioned rotor plate 19 copulational protuberance part 19c and this copulational protuberance part 11a, therefore this rotor plate 19 is rotated along the counter clockwise direction among Fig. 1, along with this rotation, the elastic force of above-mentioned sliding panel 18 resistance volute springs 21, left in Fig. 1 slides, and along with this slides, above-mentioned movable link 12 utilizes the elastic force of volute spring 15 to rotate to a direction.
The action of the loading device for magnetic tape of the present invention 2 that constitutes in a manner described will be described below.
Under non-stress state, as shown in Figure 1, the elastic force of movable link 12 resistance volute springs 15, along counterclockwise turning to extreme position among this figure, this movable link 12 is positioned at the outside of the sliding trace of guide block 6 with erase head 14, that is to say that guide block 6 and erase head 14 remain on non-touching position.
From this state, when motor when tape loading direction rotation drives, in the gear 11 one rotates along clockwise direction among Fig. 1, another gear 11 then rotates along the counter clockwise direction among this figure.Follow this rotation, two loading arms 4,4 extend at leisure, follow this elongation action, and guide block 6 slides to block 10 1 sides in guide groove 7.Along with this sliding action, vertical rod 9 is directed to tape 22 outside the tape cassete in tape cassete, carries out tape and loads.Then, guide block 6 passes through from the front of the movable link 12 that is positioned at the sliding trace outside, contact on the block 10 of guide groove 7 ends, as shown in Figure 2, tape 22 just with given angle on guide pillar 3, finish so tape loads promptly to accuse.
When carrying out this tape loading action, guide block 6 does not contact with movable link 12 and erase head 14, and passes through from its front.In addition, from guide block 6 front by movable link 12 and erase head 14 to guide block 6 contact blocks 10 these processes, the copulational protuberance part 19c sliding joint of the other end on the copulational protuberance part 11a of a gear 11 and the rotor plate 19.Therefore rotor plate 19 is along counterclockwise rotating among Fig. 1, and along with this rotates, the elastic force of sliding panel 18 resistance volute springs 21 slides left in the figure.Because the slip of this sliding panel 18, the copulational protuberance part 18a of one end leaves the double pointed nail 12a of movable link 12, so movable link 12 under the elastic force effect of volute spring 15, rotates in Fig. 1 along clockwise direction, as shown in Figure 2, erase head 14 just contacts on tape 22.
When from this state shown in Figure 2, when making the motor reverse rotation, each several part along with above-mentioned reverse direction action, be returned to non-stress state shown in Figure 1.In carrying out this non-loading course of action, before guide block 6 arrived movable links 12, the sliding joint of the copulational protuberance part 19c of the copulational protuberance part 11a on gear 11 and an other end of rotor plate 19 was disengaged.Therefore, 8 slides to the right in Fig. 2 under the elastic force effect of volute spring 21, and along with this slip, rotor plate 19 rotates in the figure along clockwise direction.In addition, slip along with above-mentioned sliding panel 18, the copulational protuberance part 18a of one end contacts with the double pointed nail 12a of movable link 12, therefore movable link 12 is revolted the elastic force of volute springs 15, in Fig. 2, rotate in the counterclockwise direction, become the state that is positioned at the guide block 6 sliding traces outside, as shown in Figure 1.Therefore, guide block 6 can not contact with movable link 12 and erase head 14, and slides into the endface position (initial position) of guide groove 7 end of stroke 10.
In the embodiments of figure 3, with same section among the embodiment of above-mentioned Figure 1 and Figure 2, represent it with same-sign.In the embodiment shown in fig. 3, pinch roller driving mechanism and movable link drive unit are connected to each other, and this pinch roller driving mechanism and movable link drive unit are interlocks.Be 30 among Fig. 3 on the pinch roller driving mechanism the is set at above-mentioned chassis 1, be used for making pinch roller 31 to engage or separate with capstan 32.
This pinch roller driving mechanism 30 has: the pinch roller supporting mechanism 33 that is used for supporting above-mentioned pinch roller 31; Link component 34; Be used for making above-mentioned pinch roller 31 the 1st connecting gear 35 of approaching above-mentioned capstan 32 hastily; And be used for making above-mentioned pinch roller 31 tightly to be pressed in the 2nd connecting gear 36 on the above-mentioned capstan 32.Above-mentioned pinch roller supporting mechanism 33 is by revolving member 37 and constituted by torsion spring 38, an end of revolving member 37 with spool be bearing in above-mentioned chassis 1 above, and can forward and reversely in given angular range freely rotate; Be contained on this revolving member 37 by torsion spring 38, supporting above-mentioned pinch roller 31 at the other end of above-mentioned revolving member 37 with axle, and can rotate freely.The above-mentioned end of torsion spring 38 that is subjected to is assemblied in the pilot hole (not shown) of above-mentioned revolving member 37, and circle position wherein is entrenched on the rotating shaft 37a of this revolving member 37, and its other termination is combined on the cutting part 34a on above-mentioned link component 34 1 ends.About middle part of this link component 34 is connected an end of the 1st sliding component 39 of above-mentioned the 1st connecting gear 35, and can in given angular range, freely rotate, an other end of link component 34 is connected an end of the linking arm 40 of above-mentioned the 2nd connecting gear 36, and free to rotate.The tie point of above-mentioned link component 34 and linking arm 40 is the 1st application point O
1, and the tie point of above-mentioned link component 34 and the 1st sliding component 39 is the 2nd application point O
2Above-mentioned the 1st connecting gear 35 has: the 1st sliding component 39, be installed in above-mentioned chassis 1 above, and can be in given scope slide automatically; Revolving member 41, with axle be bearing in above-mentioned chassis 1 below, and can in given angular range, freely rotate; And the 2nd sliding component 42, be contained in above-mentioned chassis 1 below, and can in given scope, be free to slide.The copulational protuberance part 39a that is arranged on an other end of above-mentioned the 1st sliding component 39 passes that above-mentioned The One On The Chassis hole can be moved and the following side that extends to this chassis 1 engages with above-mentioned revolving member 41.The copulational protuberance part 41a of this revolving member 41 is bonded on the cutting part 42a of above-mentioned the 2nd sliding component 42 other ends, and free to rotate.The copulational protuberance part 42b of the other end of the 2nd sliding component 42 is bonded among the conjugate foramen 43a of sector gear 43, and a gear 11 in the gear mechanism 5 of this sector gear 43 and loading device for magnetic tape 2 is meshed.When above-mentioned sector gear 43 was arranged in non-loading position (position shown in the double dot dash line of figure), the copulational protuberance part 42b of the other end of above-mentioned the 2nd sliding component 42 contact was on the end face of the conjugate foramen 43a of this sector gear 43.So, along with sector gear 43 rotates a given angle to loading direction (being counterclockwise among the figure), after the copulational protuberance part 42b of above-mentioned the 2nd sliding component 42 other ends contacts on another end face of conjugate foramen 43a, before loading was finished, this sector gear 43 and the 2nd sliding component 42 left in figure together slided.Along with the slip of the 2nd sliding component 42, above-mentioned revolving member 41 rotates along clockwise direction among the figure, promotes the right-hand slip in figure of above-mentioned the 1st sliding component 39 by this revolving member 41.Because the slip of the 1st sliding component 39, link component 34 keeps the 1st application point O
1Invariant position, Yi Bian make the 2nd application point O
2Move on the right side in figure, and clockwise direction is rotated among this figure of an edge, just pinch roller supporting mechanism 33 is along counterclockwise rotating rapidly among this figure, so pinch roller 31 hastily near capstan 32, shown in dot-and-dash line among the figure, only keeps small gap between the two.
Above-mentioned the 2nd connecting gear 36 has linking arm the 40, the 1st swivel arm 44 and the 2nd swivel arm 45.One end of above-mentioned linking arm 40 is connected an other end of above-mentioned link component 34, and free to rotate, and the other end of this linking arm 40 is connected an end of above-mentioned the 1st swivel arm 44, and free to rotate.About middle part of the 1st swivel arm 44 with axle be bearing in above-mentioned chassis 1 above, and free to rotate.Pass above-mentioned The One On The Chassis hole (not shown), the copulational protuberance part 45a that extends to above-mentioned the 2nd swivel arm 45 1 ends of a side above this chassis 1 is bonded on the cutting part 44a of the other end of the 1st swivel arm 44, and free to rotate.The 2nd swivel arm 45 is L-shaped approximately, its approximately middle part with axle be bearing in above-mentioned chassis 1 below, and can in the scope of arranging, freely rotate.The double pointed nail 45b of above-mentioned the 2nd swivel arm 45 other ends engages with the 1st cam 47 that utilizes the motor (not shown) to produce the lobe plate 46 of forward and reverse rotation, and can be free to slide.So, along with this lobe plate 46 along the counter clockwise direction rotating certain angle among the figure, the 2nd swivel arm 45 rotates along the clockwise direction among this figure, follows this rotation, above-mentioned link component 34 makes the 2nd application point O by the 1st swivel arm 44 and linking arm 40
2The position remain unchanged, Yi Bian make the 1st application point O
1Move in the left side in figure, Yi Bian rotate along clockwise direction in the figure, so pinch roller supporting mechanism 33 rotates along counter clockwise direction among the figure, then pinch roller 31 just tightly is pressed on the capstan 32.Above-mentioned link component 34 is subjected to the elastic force effect of (making pinch roller 31 leave the direction of capstan 32) counterclockwise in figure by volute spring 48.
The composition surface 45c of the 2nd swivel arm 45 other ends of above-mentioned the 2nd connecting gear 36 combines with an end of sliding bar 49.This sliding bar 49 be installed in above-mentioned chassis 1 below, and can in given range, be free to slide.Side in about middle part of above-mentioned sliding bar 49 vertically is provided with the 1st outstanding arm 50, and both constitute an integral body, and the not end of the 1st arm 50 contacts with the side of the take-up side braking element 51a that take-up pulley 51 is applied damping force.So, along with the 2nd swivel arm 45 of above-mentioned the 2nd connecting gear 36 rotates along clockwise direction among the figure, sliding bar 49 left in figure slides, because the effect of the 1st arm 50, the elastic force of take-up side braking element 51a resistance spring (not shown), along counterclockwise rotating among the figure, so the damping force that take-up pulley 51 is applied promptly is disengaged.
At the other end of above-mentioned sliding bar 49, vertically be provided with the 2nd arm 52, both constitute an integral body.One end of the 2nd arm 52 contacts with double pointed nail 12a on the movable link 12.So along with the right-hand slip in figure of above-mentioned sliding bar 49, the elastic force of above-mentioned movable link 12 resistance volute springs 15 rotates (among the figure in the counterclockwise direction) to other direction.When this revolving member 12 when other direction turns to extreme position, become guide block 6 not with movable link 12 and erase head 14 state of contact.Right-hand elastic force effect in the figure that above-mentioned sliding bar 49 is subjected to that volute spring 21 applies.In addition, among the figure 54 is linkage assembly, be used for connecting the 2nd cam 55 of above-mentioned sector gear 43 and above-mentioned lobe plate 46, along with forward and reverse rotation of this lobe plate 46, by aforementioned link mechanism 54 and gear mechanism 5(gear 11 and sector gear 43) make two loading arms 4,4 carry out expanding-contracting action.
The following describes its action.
At first, under non-stress state, each action part is in the state shown in the double dot dash line among the figure, the elastic force of movable link 12 resistance volute springs 15, and be among this figure the extreme position that rotates in the counterclockwise direction, this movable link 12 that is to say that guide block 6 and erase head 14 remain on non-touching position outside erase head 14 is positioned at the sliding trace of guide block 6.
Begin to carry out tape from this state and load, when motor was rotated in the forward driving, lobe plate 46 was promptly along being rotated in the forward.Utilize forward (among the figure in the counterclockwise direction) rotation of this lobe plate 46, linkage assembly 54 by loading device for magnetic tape 2, sector gear 43 is rotated along the counter clockwise direction among the figure, by means of with its meshed gears 11,11, make two loading arms 4,4 slowly extend action, along with this elongation action, guide block 6 slides to block 10 1 sides in guide groove 7.Along with this slides, the tape 22 in the tape cassete utilizes vertical rod 9, is directed into outside the tape cassete, carries out tape and loads.
In addition, guide block 6 passes through from the front of the movable link 12 that is positioned at the sliding trace outside, contacts with the block 10 of guide groove 7 ends, and tape 22, is finished so tape loads promptly to accuse on guide pillar 3 with given angle shown in the solid line among this figure.
In this tape loading procedure, guide block 6 does not contact with movable link 12 and erase head 14, and passes through from its front.In addition, pass through from the front of movable link 12 and erase head 14 from guide block 6, in contact this process till on block 10, pinch roller driving mechanism 30 produces action.That is to say, pass through from the front of movable link 12 and erase head 14 from guide block 6, in contact this process till on block 10, its copulational protuberance part 42b is bonded on the 2nd sliding component 42 of the 1st connecting gear 35 of pinch roller driving mechanism 30 among the conjugate foramen 43a of sector gear 43, along with this sector gear 43 rotates in the drawings in the counterclockwise direction, slide into left side among this figure, therefore the 1st connecting gear 35 actions, shown in dot-and-dash line among the figure, revolving member 37 carried out for the 1st stage and rotates, and pinch roller 31 is hastily near capstan 32.
Then, the guide block 6 of above-mentioned loading device for magnetic tape 2 contacts with block 10, when the tape loading is finished, the copulational protuberance part 45a of the 2nd swivel arm 45 of the 2nd connecting gear 36 of pinch roller driving mechanism 30 joins the big position of diameter to from the little position of diameter of the 1st cam 47 of lobe plate 46, therefore the 2nd swivel arm 45 rotates along clockwise direction among the figure, and impel the 2nd connecting gear 36 to move, shown in solid line among the figure, revolving member 37 carried out for the 2nd stage and rotates, pinch roller 31 is pressed on the capstan 32 by tape 22, makes tape 22 direction operation in accordance with regulations.
Along with above-mentioned the 2nd swivel arm 45 along clockwise rotation among the figure, the one termination is combined in the elastic force of the sliding bar 49 resistance volute springs 21 on the copulational protuberance part 45a, left slides in figure.Because this slip, the 2nd arm 52 of these sliding bar 49 other ends becomes the state of the double pointed nail 12a that breaks away from movable link 12, and movable link 12 utilizes the elastic force of volute spring 15, rotates along clockwise direction among the figure, shown in the solid line among the figure, on the tape 22 of erase head 14 contacts.
In addition, when making lobe plate 46 from this state reverse (clockwise direction along figure) rotation, each action part carries out and above-mentioned opposite action, gets back to the initial position shown in the double dot dash line among the figure.In this case, guide block 6 does not contact with erase head 14 with movable link 12 yet.
Loading device for magnetic tape of the present invention as mentioned above has: the tape guide, be used for tape is directed in tape cassete outside the tape cassete, and tape is passed through from the place ahead of erase head, slide into the position that engages with this erase head and guide pillar; The movable link that is used for making the solemn Xue of the enough of this magnetic Ji and is used for supporting above-mentioned erase head.The base feature is to be provided with the movable link driving mechanism, be used for making above-mentioned tape guide not contact above-mentioned movable link, and after passing through from the place ahead of above-mentioned erase head, utilize said motor to drive above-mentioned movable link, just make above-mentioned erase head contact on above-mentioned tape.
Therefore, because the tape guide reciprocatingly slides in the mode that does not contact movable link, load action so can successfully carry out tape, when carrying out the tape loading, tape can not leave the ring groove on the vertical rod of being located at the tape guide, therefore, and from tape being drawn tape cassete to it being bonded on erase head and the guide pillar this process, tape can not relax, and has very good effect.
Among the figure: 2 ... loading device for magnetic tape
5 ... gear mechanism (being used for making the mechanism of tape guide slip)
6 ... guide block (tape guide)
12 ... movable link
14 ... erase head
17 ... the movable link drive unit
30 ... the pinch roller driving mechanism
31 ... pinch roller
32 ... capstan
54 ... linkage assembly (being used for making the mechanism of tape guide slip)
Claims (4)
1, a loading device for magnetic tape includes: the tape guide, be used for tape is directed in tape cassete outside this tape cassete, and tape is passed through from the place ahead of erase head, slide into the position that engages with this erase head and guide pillar; Be used for making the motor of this tape guide slip; And the movable link that is used for supporting above-mentioned erase head; It is characterized by and do not have the movable link drive unit, be used for making above-mentioned tape guide not contact above-mentioned movable link and after passing through from the place ahead of above-mentioned erase head, utilize said motor to drive above-mentioned movable link again, make above-mentioned erase head contact on above-mentioned tape.
2, loading device for magnetic tape according to claim 1 is characterized by above-mentioned movable link drive unit and the mutual interlock of mechanism that is used for above-mentioned tape guide is slided.
3, loading device for magnetic tape according to claim 1 is characterized by above-mentioned movable link drive unit and the mutual interlock of pinch roller driving mechanism that is used for making pinch roller engage or separate with capstan.
4, loading device for magnetic tape according to claim 1 is characterized by above-mentioned movable link drive unit after above-mentioned movable link moves to the loading completing place, can make above-mentioned erase head contact on above-mentioned tape.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8490187U JPS63195641U (en) | 1987-05-30 | 1987-05-30 | |
| JP84901/87 | 1987-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1030320A true CN1030320A (en) | 1989-01-11 |
Family
ID=13843639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88103222 Pending CN1030320A (en) | 1987-05-30 | 1988-05-30 | Loading device for magnetic tape |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS63195641U (en) |
| CN (1) | CN1030320A (en) |
| GB (1) | GB2205194B (en) |
| HK (1) | HK692A (en) |
| SG (1) | SG72891G (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114517972B (en) * | 2022-03-03 | 2023-02-24 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5174884A (en) * | 1974-12-26 | 1976-06-29 | Toshio Hayashi | TOAMINO SEIZOHOHO |
| JPS6035743B2 (en) * | 1976-02-25 | 1985-08-16 | 日本ビクター株式会社 | magnetic recording and reproducing device |
| CA1166351A (en) * | 1980-03-07 | 1984-04-24 | Hiroyuki Umeda | Tape loading apparatus in a recording and/or reproducing apparatus |
| US4652948A (en) * | 1983-04-08 | 1987-03-24 | Victor Company Of Japan, Ltd. | Automatic tape loading type recording and/or reproducing apparatus |
| JPS6035745A (en) * | 1983-08-09 | 1985-02-23 | Seiko Epson Corp | Electrophotographic sensitive body |
| JPS6278760A (en) * | 1985-09-30 | 1987-04-11 | Ricoh Co Ltd | Magnetic recording and reproducing device |
-
1987
- 1987-05-30 JP JP8490187U patent/JPS63195641U/ja active Pending
- 1987-11-18 GB GB8726968A patent/GB2205194B/en not_active Expired - Fee Related
-
1988
- 1988-05-30 CN CN 88103222 patent/CN1030320A/en active Pending
-
1991
- 1991-09-03 SG SG72891A patent/SG72891G/en unknown
-
1992
- 1992-01-02 HK HK692A patent/HK692A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2205194A (en) | 1988-11-30 |
| SG72891G (en) | 1991-11-22 |
| GB2205194B (en) | 1991-05-15 |
| GB8726968D0 (en) | 1987-12-23 |
| HK692A (en) | 1992-01-10 |
| JPS63195641U (en) | 1988-12-16 |
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