CN110279475A - A kind of head of compact dental handpiece - Google Patents
A kind of head of compact dental handpiece Download PDFInfo
- Publication number
- CN110279475A CN110279475A CN201910555530.5A CN201910555530A CN110279475A CN 110279475 A CN110279475 A CN 110279475A CN 201910555530 A CN201910555530 A CN 201910555530A CN 110279475 A CN110279475 A CN 110279475A
- Authority
- CN
- China
- Prior art keywords
- bearing
- vehicle needle
- casing
- head
- spray channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 claims abstract description 47
- 239000003595 mist Substances 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 23
- 210000000214 mouth Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
- A61C1/10—Straight hand-pieces
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention discloses a kind of head of compact dental handpiece, including casing, vehicle needle guard is equipped in the casing, first bearing and second bearing, the lower wall of casing is equipped with upper and lower perforative vehicle needle mounting hole, vertically arranged vehicle needle guard is set on the upside of vehicle needle mounting hole, first bearing, second bearing is between the upper and lower every setting, second bearing is abutted with the lower wall of casing, spray channel is equipped in the side wall of casing, spray channel is set to the outside of second bearing periphery, spray channel is from top to bottom obliquely installed to vehicle needle guard, the bottom of spray channel is pierced by the outer wall of casing, so that the spray direction of spray channel is towards the lower section of vehicle needle mounting hole.Spray channel is set to the outside of second bearing periphery, and the thickness of the lower wall of casing is smaller, therefore the axial dimension of head is smaller；Spray channel is from top to bottom obliquely installed to vehicle needle guard, enables the water mist sprayed to be directed at the position of vehicle needle ontology drilling, to cleaning up, rapidly for the clast generated in operation.
Description
Technical field
The invention is related to medical equipment technical field, in particular to a kind of head of compact dental handpiece.
Background technique
In daily dentist's work, dental handpiece is a kind of one of essential medical instrument.In existing dentistry
In mobile phone, a generally existing awkward situation, i.e. handset machine head volume is larger.And in actual dentist work, everyone
The space magnified of oral cavity it is not identical, and in the state that oral cavity space cannot be maintained maximum for a long time by most people,
So existing handset machine head usually causes to be difficult to operate since head is excessive in the innermost tooth in processing oral cavity.Especially
Be head along vehicle needle shaft to size, since vehicle needle will be from the protruding enough length of head, to guarantee that vehicle needle can go deep into
To the inside of tooth, cause the whole axial dimension for assembling the head after vehicle needle more much bigger than radial dimension, head is difficult to protrude into
Oral cavity depths is mainly restricted by axial dimension.Therefore the axial dimension for reducing head is the weight of dental handpiece structure optimization
Point.
Summary of the invention
The invention technical problems to be solved are: a kind of head of compact dental handpiece is provided, compact-sized,
Axial dimension is smaller.
The solution that the invention solves its technical problem is:
A kind of head of compact dental handpiece, including casing, the casing is interior to be equipped with vehicle needle guard, first bearing and second
Bearing, the lower wall of the casing are equipped with upper and lower perforative vehicle needle mounting hole, and vertically arranged vehicle needle guard is set to the installation of vehicle needle
On the upside of hole, the first bearing, second bearing are sheathed on vehicle needle every setting, the first bearing and second bearing between the upper and lower respectively
The outside of set, the second bearing are abutted with the lower wall of casing, and spray channel is equipped in the side wall of the casing, described spraying
Channel is set to the outside of second bearing periphery, and the spray channel is from top to bottom obliquely installed to vehicle needle guard, the bottom of spray channel
Portion is pierced by the outer wall of casing, so that the spray direction of spray channel is towards the lower section of vehicle needle mounting hole.
As a further improvement of the above technical scheme, the right part of the casing is known as handle connecting portion, described spraying
Channel is set to the right side of second bearing, and the spray channel tilts down setting from right to left, and the bottom of spray channel is pierced by machine
The outer wall of shell, so that the spray direction of spray channel is towards the lower section of vehicle needle mounting hole.
As a further improvement of the above technical scheme, it is equipped with bearing cap on the outside of the first bearing, bearing cap is placed on the
On the outside of one bearing；Upper cover is equipped on the outside of the bearing cap, upper cover is placed on the outside of bearing cap；The lateral wall of the upper cover and the machine
The inner wall of shell is affixed.
As a further improvement of the above technical scheme, be additionally provided with transmission gear in the casing, the vehicle needle guard it is outer
Surface periphery is equipped with driven gear, and the driven gear is engaged with the transmission gear.
As a further improvement of the above technical scheme, the transmission gear and the driven gear are set to described first
Between bearing and the second bearing, the driven gear is mutually perpendicular to ratcheting with the transmission gear.
As a further improvement of the above technical scheme, vehicle needle assemblies, the vehicle needle assemblies packet are equipped in the vehicle needle guard
Retaining sleeve and vehicle needle ontology are included, the retaining sleeve is fixedly connected on the inner wall of the vehicle needle guard, the top set of the vehicle needle ontology
It is connected in the retaining sleeve, the vehicle needle ontology and the removable connection of retaining sleeve, the lower part of the vehicle needle ontology is from the vehicle needle
Mounting hole stretches out in the casing.
As a further improvement of the above technical scheme, it is equipped with above the bearing cap and presses gland, it is described to press gland and institute
The up and down connection of upper cover is stated, the upper cover and the bearing cap are annular in shape；Movable part, the work are additionally provided in the casing
Moving part, which is set to, to be pressed on the downside of gland, and the movable part is abutted with by gland, and the bottom outer of the movable part is equipped with downwardly projecting
Cone-shaped component；The internal diameter on the retaining sleeve top is gradually reduced from the bottom to top, and the top of the retaining sleeve is equipped with through slot, described logical
The upper end of slot is pierced by retaining sleeve, and the retaining sleeve is made of elastic material；The cone-shaped component is directed at through slot so that press gland to
When lower mobile, cone-shaped component is protruded into the through slot, is softened the upper end of the retaining sleeve, be detached from the vehicle needle ontology can
The clamping of the retaining sleeve.
As a further improvement of the above technical scheme, described press is equipped with spring between gland and the bearing cap, vertically
The both ends of the spring of setting are connect with by gland, bearing cap respectively；It is described to be connect with the upper cover by hook joint structure by gland,
The hook joint structure includes lower hook portion and the upper hook portion above lower hook portion, and the lower hook portion is set to pressing and covers, it is described on
Hook portion is set on upper lid, and the lower hook portion resists hook portion from bottom to up.
The beneficial effect of the invention is: a kind of head of compact dental handpiece, spray channel are set to second
The outside of bearing periphery, it is not necessary that spray channel is arranged in the lower wall of casing, so spray channel is not take up the downside of casing
The space of wall, the thinner thickness of the lower wall of casing, therefore the axial dimension of head is smaller；Spray channel is from top to bottom to vehicle needle
Set is obliquely installed, and the water mist sprayed is enabled to be directed at the position of vehicle needle ontology drilling, dry to the cleaning of the clast generated in operation
Only, rapidly.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution in the invention embodiment
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the invention, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the structural front view of existing head；
Fig. 2 is the structural front view of the invention embodiment；
Fig. 3 is the structural schematic diagram of the retaining sleeve of the invention embodiment；
Fig. 4 is the partial enlargement diagram of part A in Fig. 2.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the invention, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose, feature and effect of the invention.Obviously, described embodiment
It is a part of the embodiment of the invention, rather than whole embodiments, the embodiment based on the invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the invention protection
It encloses.In addition, all connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific implementation feelings
Condition, by adding or reducing connection auxiliary, Lai Zucheng more preferably connection structure.Each technical characteristic in the invention,
It can be with combination of interactions under the premise of not conflicting conflict.
Referring to Figure 2 to Figure 4, this is the embodiment of the invention, specifically:
A kind of head of compact dental handpiece, including casing 04, the casing 04 is interior to be equipped with vehicle needle guard 23, first bearing
09 and second bearing 12, the lower wall of the casing 04 is equipped with upper and lower perforative vehicle needle mounting hole, vertically arranged vehicle needle guard 23
It is set on the upside of vehicle needle mounting hole, the first bearing 09, second bearing 12 are between the upper and lower every setting, the first bearing 09 and the
Two bearings 12 are sheathed on the outside of vehicle needle guard 23 respectively, and the second bearing 12 is abutted with the lower wall of casing 04, the casing
Spray channel 06 is equipped in 04 side wall, the spray channel 06 is set to the outside of 12 periphery of second bearing, the spray channel
06 is from top to bottom obliquely installed to vehicle needle guard 23, and the bottom of spray channel 06 is pierced by the outer wall of casing 04, so that spray channel 06
Spray direction towards the lower section of vehicle needle mounting hole.The head of dental handpiece needs to be arranged spray channel 06, in center of performing the operation
Water mist is sprayed to clean tooth；The head of existing dental handpiece is as shown in Figure 1, spray channel 06 is set to second bearing
12 underface causes the downside wall thickness of casing 04 larger, could accommodate spray channel 06 in this way；The spraying of the present embodiment is led to
Road 06 is set to the outside of 12 periphery of second bearing, and spray channel is not take up the space of the lower wall of casing 04, so reduce
The thickness of the lower wall of casing 04, therefore reduce the axial dimension of head；Spray channel 06 is from top to bottom inclined to vehicle needle guard 23
Tiltedly setting enables the water mist sprayed to be directed at the position of 25 drilling of vehicle needle main body, to the cleaning up of the clast generated in operation,
Rapidly.
It is further used as preferred embodiment, the right part of the casing 04 is known as handle connecting portion, described spraying logical
Road 06 is set to the right side of second bearing 12, and the spray channel 06 tilts down setting, the bottom of spray channel 06 from right to left
It is pierced by the outer wall of casing 04, so that the spray direction of spray channel 06 is towards the lower section of vehicle needle mounting hole.Spray channel 06 is arranged
In the right side of second bearing 12, position is between second bearing 12 and the handle of dental handpiece herein, therefore not will increase head
Radial dimension.
It is further used as preferred embodiment, is equipped with bearing cap 03 on the outside of the first bearing 09, bearing cap 03 is placed on
09 outside of first bearing；Upper cover 01 is equipped on the outside of the bearing cap 03, upper cover 01 is placed on 03 outside of bearing cap；The upper cover 01
The inner wall of lateral wall and the casing 04 is affixed.The head of existing dental handpiece as shown in Figure 1, the outer wall of its bearing cap 03 with
The inner wall of casing 04 abuts, and bearing cap 03 is first installed when assembling head in this way, then install upper cover 01, since bearing cap 03 has been fixed
It is good, therefore the installation of upper cover 01 is easier；But since the downside of upper cover 01 is equipped with the company that bearing cap 03 is connect with casing 04
Socket part 02, the whole axial dimension for resulting in head are larger；And the present embodiment bearing cap 03 is not directly contacted with casing 04, so that
Upper cover 01 can be moved integrally downwards, reduce the whole axial dimension of head.
It is further used as preferred embodiment, transmission gear 10 is additionally provided in the casing 04, the vehicle needle guard 23
Outer surface periphery is equipped with driven gear 11, and the driven gear 11 is engaged with the transmission gear 10.Pass through gear drive, transmitting
Torque it is larger, vehicle needle ontology 25 is not easy to block and causes to stop operating when dental operation.
It is further used as preferred embodiment, the transmission gear 10 is set to described first with the driven gear 11
Between bearing 09 and the second bearing 12, the driven gear 11 is mutually perpendicular to ratcheting with the transmission gear 10.In this way
Take full advantage of the space in casing 04, compact-sized reasonable, 23 spin stabilization of vehicle needle guard of head.
It is further used as preferred embodiment, is equipped with vehicle needle assemblies in the vehicle needle guard 23, the vehicle needle assemblies include
Retaining sleeve 22 and vehicle needle ontology 25, the retaining sleeve 22 are fixedly connected on the inner wall of the vehicle needle guard 23, the vehicle needle ontology 25
Upper socket in the retaining sleeve 22, the vehicle needle ontology 25 and the removable connection of retaining sleeve 22, the vehicle needle ontology 25
Lower part stretch out in the casing 04 from the vehicle needle mounting hole.This sample car needle ontology 25 abrasion after it is replaceable, reduce use at
This.
Be further used as preferred embodiment, be equipped with above the bearing cap 03 and press gland 08, it is described press gland 08 with
The up and down connection of the upper cover 01, the upper cover 01 and the bearing cap 03 are annular in shape；Work is additionally provided in the casing 04
Moving part 21, the movable part 21, which is set to, presses 08 downside of gland, and the movable part 21 is abutted with by gland 08, the movable part 21
Bottom outer is equipped with downwardly projecting cone-shaped component 26；The internal diameter on 22 top of retaining sleeve is gradually reduced from the bottom to top, described
The top of retaining sleeve 22 is equipped with through slot 24, and the upper end of the through slot 24 is pierced by retaining sleeve 22, and the retaining sleeve 22 is by elastic material
It is made；The cone-shaped component 26 is directed at through slot 24, and when so that moving down by gland 08, cone-shaped component 26 protrudes into the through slot 24
In, it is softened the upper end of the retaining sleeve 22, makes the vehicle needle ontology 25 that can be detached from the clamping of the retaining sleeve 22.This implementation
The lower part of retaining sleeve 22 and vehicle needle guard 23 are affixed in example, and gap is equipped between the top and vehicle needle guard 23 of retaining sleeve 22；It ties in this way
Structure is simple, needle of more changing trains it is easy to operate, vehicle needle ontology 25 can be disassembled easily from retaining sleeve 22；Vehicle needle sheet is installed
When body 25, and pressing is softened the upper end of the retaining sleeve 22 by gland 08, is then placed in vehicle needle ontology 25, then loose
It opens by gland 08, the upper end of retaining sleeve 22 closes up under the effect of elasticity, and cone-shaped component 26 is detached from through slot 24, i.e., vehicle needle ontology 25
It clamps.
It is further used as preferred embodiment, described press is equipped with spring 07, erects between gland 08 and the bearing cap 03
It is connect respectively with by gland 08, bearing cap 03 to the both ends of the spring 07 of setting；It is described to pass through by gland 08 and the upper cover 01
The connection of hook joint structure, the hook joint structure includes lower hook portion 14 and the upper hook portion 13 above lower hook portion 14, the lower hook portion
14 set on pressing on gland 08, and the upper hook portion 13 is set in upper cover 01, and the lower hook portion 14 resists hook portion 13 from bottom to up.This
Upper cover 01 is placed on by the outside of gland 08 and lower hook in embodiment；By setting hook joint structure and spring 07, when there is no external force
Upper cover 01 is resisted under the action of spring 07 by gland 08, it, can swimmingly downwards by gland 08 when from outside, gland 08 is pressed in pressure
Mobile, structure is simple, compact.
The better embodiment of the invention is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes on the premise of not violating the inventive spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (8)
1. a kind of head of compact dental handpiece, it is characterised in that: including casing, vehicle needle guard, first are equipped in the casing
Bearing and second bearing, the lower wall of the casing are equipped with upper and lower perforative vehicle needle mounting hole, vertically arranged vehicle needle guard setting
On the upside of vehicle needle mounting hole, the first bearing, second bearing are between the upper and lower every setting, the first bearing and second bearing difference
It is sheathed on the outside of vehicle needle guard, the second bearing is abutted with the lower wall of casing, is equipped in the side wall of the casing spraying logical
Road, the spray channel are set to the outside of second bearing periphery, and the spray channel is from top to bottom obliquely installed to vehicle needle guard, spray
The bottom in mist channel is pierced by the outer wall of casing, so that the spray direction of spray channel is towards the lower section of vehicle needle mounting hole.
2. a kind of head of compact dental handpiece according to claim 1, it is characterised in that: the right part of the casing
Referred to as handle connecting portion, the spray channel are set to the right side of second bearing, and the spray channel tilts down from right to left to be set
It sets, the bottom of spray channel is pierced by the outer wall of casing, so that the spray direction of spray channel is towards the lower section of vehicle needle mounting hole.
3. a kind of head of compact dental handpiece according to claim 1, it is characterised in that: on the outside of the first bearing
Equipped with bearing cap, bearing cap is placed on the outside of first bearing；Upper cover is equipped on the outside of the bearing cap, upper cover is placed on the outside of bearing cap；
The lateral wall of the upper cover and the inner wall of the casing are affixed.
4. a kind of head of compact dental handpiece according to claim 1, it is characterised in that: be additionally provided in the casing
The outer surface periphery of transmission gear, the vehicle needle guard is equipped with driven gear, and the driven gear is engaged with the transmission gear.
5. a kind of head of compact dental handpiece according to claim 4, it is characterised in that: the transmission gear and institute
It states driven gear to be set between the first bearing and the second bearing, the driven gear is phase with the transmission gear
It is mutually vertical ratcheting.
6. a kind of head of compact dental handpiece according to claim 3, it is characterised in that: be equipped in the vehicle needle guard
Vehicle needle assemblies, the vehicle needle assemblies include retaining sleeve and vehicle needle ontology, and the retaining sleeve is fixedly connected on the interior of the vehicle needle guard
Wall, the upper socket of the vehicle needle ontology is in the retaining sleeve, the vehicle needle ontology and the removable connection of retaining sleeve, the vehicle
The lower part of needle ontology stretches out in the casing from the vehicle needle mounting hole.
7. a kind of head of compact dental handpiece according to claim 6, it is characterised in that: set above the bearing cap
Have by gland, described to press gland and the up and down connection of the upper cover, the upper cover and the bearing cap are annular in shape；The machine
Movable part is additionally provided in shell, the movable part, which is set to, to be pressed on the downside of gland, and the movable part is abutted with by gland, the movable part
Bottom outer is equipped with downwardly projecting cone-shaped component；The internal diameter on the retaining sleeve top is gradually reduced from the bottom to top, the clamping
The top of set is equipped with through slot, and the upper end of the through slot is pierced by retaining sleeve, and the retaining sleeve is made of elastic material；The taper structure
Part is directed at through slot, and when so that moving down by gland, cone-shaped component is protruded into the through slot, supports the upper end of the retaining sleeve
It opens, makes the vehicle needle ontology that can be detached from the clamping of the retaining sleeve.
8. a kind of head of compact dental handpiece according to claim 7, it is characterised in that: it is described press gland with it is described
Spring is equipped between bearing cap, the both ends of vertically arranged spring are connect with by gland, bearing cap respectively；It is described to press gland and institute
It states upper cover to connect by hook joint structure, the hook joint structure includes lower hook portion and the upper hook portion above lower hook portion, under described
Hook portion is set to pressing and covers, and the upper hook portion is set on upper lid, and the lower hook portion resists hook portion from bottom to up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555530.5A CN110279475A (en) | 2019-06-25 | 2019-06-25 | A kind of head of compact dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555530.5A CN110279475A (en) | 2019-06-25 | 2019-06-25 | A kind of head of compact dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110279475A true CN110279475A (en) | 2019-09-27 |
Family
ID=68005548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555530.5A Pending CN110279475A (en) | 2019-06-25 | 2019-06-25 | A kind of head of compact dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110279475A (en) |
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| WO2017018226A1 (en) * | 2015-07-24 | 2017-02-02 | 株式会社吉田製作所 | Dental handpiece |
| CN208274635U (en) * | 2017-11-04 | 2018-12-25 | 佛山市佰仕得医疗器材有限公司 | A kind of high efficiency dental handpiece |
| CN210582681U (en) * | 2019-06-25 | 2020-05-22 | 佛山市碧盈医疗器材有限公司 | Compact dental handpiece head |
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2019
- 2019-06-25 CN CN201910555530.5A patent/CN110279475A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201012130Y (en) * | 2007-05-25 | 2008-01-30 | 李晓平 | Disposal high-speed vane wheel electric dental engine with simple head |
| CN101623213A (en) * | 2008-07-11 | 2010-01-13 | 李晓平 | Disposable high-speed turbine tooth-drilling hand-held machine |
| CN201510366U (en) * | 2009-10-21 | 2010-06-23 | 尹蓓莉 | Novel optical-fiber enginebit cellphone |
| CN201710485U (en) * | 2010-05-26 | 2011-01-19 | 李庚瞬 | Dental high-speed turbine handpiece with LED lamp |
| CN202714934U (en) * | 2012-07-16 | 2013-02-06 | 佛山市宇森医疗器械有限公司 | Push-type high speed turbine dental mobile phone movement |
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