CN105411687B - A kind of push type high speed dental turbo mobile phone - Google Patents
A kind of push type high speed dental turbo mobile phone Download PDFInfo
- Publication number
- CN105411687B CN105411687B CN201510920008.4A CN201510920008A CN105411687B CN 105411687 B CN105411687 B CN 105411687B CN 201510920008 A CN201510920008 A CN 201510920008A CN 105411687 B CN105411687 B CN 105411687B
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- clamping
- shell
- cavity
- mandrel
- bearing
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- 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
- A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
- A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/02—Tooth drilling or cutting instruments; Instruments acting like a sandblast machine
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- 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)
- Jigs For Machine Tools (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
A kind of push type high speed dental turbo mobile phone, include the shell with inner cavity and the mandrel through the shell, setting turbine and bearing in the shell, one turbine and two bearing holder (housing, cover)s are mounted in the mandrel, and the turbine is arranged between two bearings；One end of the shell is to block end, and one end of the mandrel is pierced by from the closure end, wherein the bearing mounting base of a bearing is processed in the inner cavity of the shell；The other end of the shell is blocked by removably lid, and the other end of the mandrel is pierced by from the lid, and the bearing mounting base of another bearing is processed in the lid；The shell, which is equipped with, makes the air port that its inner cavity is in communication with the outside.The area that presses is big, and exert a force accurate stable, then the technical program solves the problems, such as that each component contact is unstable in the prior art, the clamping of vehicle needle and replaces convenient, and stability is high when clamping.
Description
Technical field
Dental equipment field of the present invention, especially a kind of push type high speed dental turbo mobile phone.
Background technology
The vehicle needle of the push type dental high-speed worm gear mobile phone of the prior art is replaced by pressing corresponding button,
Its clamping trolley needle device is mainly constituted by strutting part, clamping piece and axle sleeve, is clamped to vehicle needle by clamping piece, is needed to pick and place
When vehicle needle, then struts part by pressure and strut clamping piece, you can vehicle needle is picked and placeed.
Mandrel component and its each component of inside have small, and the high feature of required precision imposes external force by pressing piece
Collet side-to-side movement is driven, to realize release and clamping of the collet to vehicle needle, this is the technology routinely used in the prior art, so
And it is small due to component, when pressing piece and collet are mutually driven, the junction of the two often occurs coordinating not close
It is coherent, influence the clamping and replacement of vehicle needle；And since connection coordinates discontinuous, caused collet unstable to the clamping of vehicle needle
The problems such as determining, being easy to happen flying needle when in use, there are great security risks.
Invention content
In view of the foregoing drawbacks, it is an object of the invention to propose a kind of push type high speed dental turbo mobile phone.
For this purpose, the present invention uses following technical scheme：
Beneficial effects of the present invention：Air-flow enters from air port in shell so that turbine high-speed rotation, turbine with mandrel,
Mandrel drives two bearings and vehicle needle high-speed rotation；Two bearings are separately positioned on the both sides of turbine, improve stability；It is compact-sized,
It is convenient for disassembly and assembly, accurate positioning；
Collet and pressing piece are the collet body being combined into one, if being equipped on it along the taper direction for clamping centrum
Dry to adjust through-hole, then the adjacent clamping pyramidal portion adjusted between through-hole so that clamping centrum has certain elasticity, to meet
Vehicle needle is inserted into a small amount of of clamping centrum when clamping centrum is clamped or taken out by taper and struts or tighten；When pressing, the end of base ring
Portion resists the end of spring, and pressure area is big, and exert a force accurate stable, then the technical program solves each component in the prior art and connects
It touches unstable problem, the clamping of vehicle needle and replaces convenient, stability is high when clamping.
Description of the drawings
Fig. 1 is the explosive view of one embodiment of the push type high speed dental turbo mobile phone of the present invention；
The sectional view of structure in Fig. 2 Fig. 1；
Fig. 3 is the sectional view of one embodiment of the present of invention；
Fig. 4 is the structural schematic diagram of one embodiment of collet body in the present invention；
Fig. 5 is the scheme of installation of one embodiment of cone sheets in the present invention.
Wherein：Mandrel 1, hollow cavity 11 install the conical surface 110, minor diameter cavity 111, major diameter cavity 112；Spring 2,
Collet body 3, press section 31, large-diameter portion 310 clamp cone 32, adjust through-hole 320, base ring 33；Cone sheets 4, double wedge 41；It clamps
Set 5, headgear body 6, vehicle needle 7；Shell 8, lid 81, air port 82；Turbine 9, bearing 10, dustproof cover 12, crash roll 13.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figures 1 and 2, a kind of push type high speed dental turbo mobile phone includes shell 8 with inner cavity and is run through
Turbine 9 and bearing 10, a turbine 9 and two bearings 10 suit is arranged in the shell 8 in the mandrel 1 of the shell 8
In the mandrel 1, and the turbine 9 is arranged between two bearings 10, it is characterised in that：One end of the shell 8 is envelope
Stifled end, one end of the mandrel 1 are pierced by from the closure end, wherein the bearing mounting base of a bearing 10 is processed in the shell
8 inner cavity；The other end of the shell 8 is blocked by removably lid 81, and the other end of the mandrel 1 is from the lid 81
It is pierced by, the bearing mounting base of another bearing 10 is processed in the lid 81；
The shell 8, which is equipped with, makes the air port 82 that its inner cavity is in communication with the outside.
Air-flow enters from air port 82 in shell 8 so that 9 high-speed rotation of turbine, turbine 9 drive two with mandrel 1, mandrel 1
7 high-speed rotation of bearing 10 and vehicle needle；Two bearings 10 are separately positioned on the both sides of turbine 9, improve stability；It is compact-sized, dismounting
It is convenient, accurate positioning.
The mandrel 1 passes through the end position of the lid 81 to be equipped with dustproof cover 12, and the dustproof cover 12 wraps up the end
The mandrel 1 of position is simultaneously fixed in the cavity of the lid 81 axially inward；The lid 8 is contacted with the bearing 10
End face be set with crash roll 13.
The other end of the mandrel 1 is pierced by from the lid 81, and vehicle needle 7 is fixed on the mandrel 1 at the end, when vehicle needle 7 uses
Will produce a large amount of dust, the setting of dustproof cover 12 has completely cut off the inner cavity of shell 8 and contacting for working site, place dust into
Enter to block the normal rotation of turbine 9 and bearing 10.
The end face that the lid 8 is contacted with the bearing 10 is set with crash roll 13, and the work of vehicle needle 7 has been isolated in crash roll 13
When vibration transmission to lid 8 inside path, protect device, improve performance and service life.
As shown in Figures 3 and 4, it is equipped with hollow cavity 11 in it along the axis direction of the mandrel 1, is equipped with 2 He of spring
Collet body 3 is from left to right slidably arranged in the hollow cavity 11；The installation conical surface 110 is equipped in the hollow cavity 11,
And the internal diameter of the installation conical surface 110 is from left to right gradually reduced；
The hollow structure that the collet body 3 is made of press section 31, clamping cone 32 and base ring 33, the press section 31
It is extended to form to the right along the axial direction of the hollow cavity 11 by the small end for clamping centrum 32, the base ring 33 is by the clamping
The big end of centrum 32 extends to form to the left along the axial direction of the hollow cavity 11, the left side of the base ring 33 and the spring 2
Contact；The clamping cone 32 coordinates with 110 adaptability of the installation conical surface, exists along the taper direction for clamping centrum 32
Several adjusting through-holes 320 are which is provided with, the through-hole 320 that adjusts is connected to the lateral wall and madial wall for clamping centrum 32.
Vehicle needle 7 is inserted into the hollow cavity 11 of the mandrel 1 from left side, sequentially passes through spring 2 and collet body 3, hollow cavity
The installation conical surface 110 that from left to right internal diameter is gradually reduced is equipped in 11, the clamping cone 32 of the collet body 3 is bored with the installation
Face 110 adaptability cooperation, that is, clamping cone 32, from left to right outer diameter is gradually reduced.When needing to clamp, after vehicle needle 7 passes through base ring 33
It is wrapped in the hollow portion for clamping cone 32, the outer continuation of power drive vehicle needle 7 is inserted into the right, and the clamping cone 32 of vehicle needle 7 is swept along
The hollow cavity 11 moves to the right relatively, and clamps cone 32 and more turn right, and big outer diameter end is more caught in the installation conical surface
110 small inner-diameter portion is then clamped and is bonded between cone 32 and the inner wall of vehicle needle 7 more and more closely, is moved to final utilize and is bored
It spends until 7 clamping of vehicle needle can not be continued to turn right movement, spring 2 gives the motive force of collet body 3 one to the right always, further
It ensure that the clamping degree of vehicle needle 7.
When needing to remove vehicle needle 7, collet body 3 described in outer power drive makes its axial past left movement along hollow cavity 11,
Then clamp cone 32 to move downward with vehicle needle 7, while collet body 3 squeezes spring 2 to the left, clamp the small outer diameter end of cone 32 to
The large diameter componental movement of the installation conical surface 110 so that it clamps cone 32 and is detached from the position that taper clamps with hollow cavity 11,
Centrum 32 is clamped more toward left movement, then clamps being bonded for centrum 32 and hollow cavity 11, vehicle needle 7 and clamping centrum 32 be bonded by
It gradually relaxes, operating personnel can be detached from the fixation of mandrel component from the needle 7 of pulling a cart of outside light one, after vehicle needle 7 takes out, unclamp collet
Body 3, the then power for squeezing spring 2 disappear, and spring 2 restores the restoring force of deformation generation to the right, and the collet body 3 is in the restoring force
Original position is returned under effect.
Mandrel component and its each component of inside have small, and the high feature of required precision imposes external force by pressing piece
Collet side-to-side movement is driven, to realize release and clamping of the collet to vehicle needle, this is the technology routinely used in the prior art, so
And it is small due to component, when pressing piece and collet are mutually driven, the junction of the two often occurs coordinating not close
It is coherent, influence the clamping and replacement of vehicle needle；And since connection coordinates discontinuous, caused collet unstable to the clamping of vehicle needle
The problems such as determining, being easy to happen flying needle when in use, there are great security risks.
In the technical program, collet and pressing piece are the collet body 3 being combined into one, along the taper for clamping centrum 32
Direction is equipped with several adjusting through-holes 320 on it, then adjacent 32 part of clamping centrum adjusted between through-hole 320 to clamp vertebra
Body 32 has certain elasticity, and clamping centrum 32 is inserted by clamping centrum 32 when taper clamping or taking-up to meet vehicle needle 7
It struts or tightens on a small quantity；When pressing, the end of base ring 33 resists the end of spring 2, and pressure area is big, and exert a force accurate stable, then
The technical program solves the problems, such as that each component contact is unstable in the prior art, the clamping of vehicle needle 7 and replaces convenient, and when clamping is steady
Qualitative height.
As depicted in figs. 3 and 5, cone sheets 4, the cone sheets 4 and the clamping centrum are set in the adjusting through-hole 320
32 taper is consistent.
The effect for adjusting through-hole 320 is to meet flexible deformation when vehicle needle is inserted into, and is arranged in the adjusting through-hole 320
Taper is with clamping the consistent cone sheets 4 of centrum 32,7 clamping of vehicle needle or when removing, and the madial wall of cone sheets 4 is contacted with vehicle needle 7, outside
Side wall is contacted with the installation conical surface 110, with clamping axial movement of the centrum 32 along the hollow cavity 11, when increasing clamping
Frictional force improves stability when vehicle needle 7 is fixed.
The racetrack structure for adjusting through-hole 320 and being made of two parallel edges and two arc-shaped edges, the two of the cone sheets 4
Long side is just installed between two parallel edges, and the length of line is equal to the cone between the starting point and destination node of the arc-shaped edges
The width of shape piece 4；The madial wall that the cone sheets 4 is contacted with vehicle needle 7 is equipped with double wedge 41.
The length of line is equal to the width of the cone sheets 4 between the starting point and destination node of the arc-shaped edges, defines
Cone sheets 4 can not be moved along its length direction and taper direction；Two long sides of the cone sheets 4 are just installed on two
Between parallel edges, cone sheets 4 is defined along moving for 32 side wall of centrum is clamped, then the adjusting through-hole 320 of racetrack structure is anti-
Vehicle needle 7 is stopped in taper clamped condition, has moved or move in any direction, ensure that the stability of 7 clamping of vehicle needle.
Gap between double wedge 41 and double wedge 41 is full of air, keeps balancing with ambient pressure, prevents vehicle needle 7 from being pressed from both sides in taper
Tight state causes finally take out for pressing from both sides dead, improves performance.
Hollow gripping sleeve 5 is equipped in the hollow cavity 11, the installation conical surface 110 is processed in the gripping sleeve 5,
The collet body 3 is sleeved in the gripping sleeve 5 so that the clamping cone 32 coordinates with 110 adaptability of the installation conical surface.
For being fixedly clamped for vehicle needle 7, the installation conical surface 110 and clamping cone 32 are indispensable, and the installation conical surface 110 is
Pyramidal structure inside hollow cavity 11, required precision is high, and difficulty of processing is big；And according to the structure design of the technical program, it can
The uniform cylinder-like structure of internal diameter is disposably processed in mandrel 1, and processing is pacified in the smaller gripping sleeve 5 of individual length
The conical surface 110 is filled, then gripping sleeve 5 is fixed in cylinder-like structure, is avoided in the prior art, the installation conical surface 110 is straight
The inside for connecing the mandrel 1 that processing is increased in length, reduces difficulty of processing, improves assembly precision and stability.
The hollow cavity 11 is from left to right made of minor diameter cavity 111 and 112 two parts of major diameter cavity, the bullet
Spring 2 is arranged between the right side and the left side of the collet body 3 of the minor diameter cavity 111；The gripping sleeve 5 is fixed on institute
It states in major diameter cavity 112, the base ring 33 is slidably arranged in the major diameter cavity 112, and the press section 31 can be slided
It is dynamic to be arranged in the gripping sleeve 5.
Spring 2 resists the right side of the minor diameter cavity 111 to the left, resists the left side of the gripping sleeve 5 to the right；Folder
Fixed 5 outer diameter is suitable with the outer diameter of the base ring 33, then when the left side of gripping sleeve 5 is that base ring 33 moves right clamping vehicle needle
Extreme position, right side and the gripping sleeve of minor diameter cavity 111 are adjusted according to the outer diameter of the elastic property of spring 2 and vehicle needle
The distance between 5 left side, for the spring of same performance, distance between the two is smaller, then spring is become by compression
The degree of shape is bigger, and generated restoring force is also bigger, on the contrary then smaller, so required according to the degree that is clamped needed for vehicle needle and
The elastic property of existing spring 2, can flexible modulation obtain the installation dimension met the requirements, to existence conditions such as existing spring performances
It is adaptable, and compact-sized, assembly precision height is designed in this way, performance is strong.
The right end of the press section 31 stretches out the hollow cavity 11, and the press section 31 is sleeved on equipped with headgear body 6
Outside, and it is fixed on the right end of the hollow cavity 11, and the hollow cavity 11 is stretched out in one end of headgear body 6.
Installation or more change trains needle 7 when, operating personnel, which directly drive press section 31, makes it move downward, and passes through press section
31 drive entire collet body 3 to move downward, and directly by force effect on spring 2, simple in structure, and degree of regulation is high；Headgear body 6
Press section 31 is wrapped up, is fixed on the right end of the hollow cavity 11, and the hollow cavity 11 is stretched out in one end, avoids pressing
Friction when being in direct contact and moving in portion 31 and hollow cavity 11 improves the hardness of 6 inner wall of headgear body to ensure to press when necessary
The assembly precision of splenium 31.
It is to be detachably connected between the headgear body 6 and the hollow cavity 11.
In the present embodiment, to be threadedly coupled between the headgear body 6 and the hollow cavity 11, by from hollow cavity 11
Upper dismounting following body 6 realizes the replacement to accessories such as 11 inner springs 2 of hollow cavity, highly practical.
The lateral wall of the press section 31 is equipped with large-diameter portion 310, and the large-diameter portion 310 is removed on the press section 31 with outside
The outer diameter divided is less than the internal diameter of the headgear body 6, and the press section 31 can be slided by the large-diameter portion 310 and the headgear body 6
Dynamic cooperation.
Reduce contact area, to reduce friction, avoids wearing, ensure assembly precision and performance.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (7)
1. a kind of push type high speed dental turbo mobile phone, include shell with inner cavity and through the shell mandrel, set
Turbine and bearing in the shell are set, a turbine and two bearing holder (housing, cover)s are mounted in the mandrel, and the turbine is arranged
Between two bearings, it is characterised in that：One end of the shell is to block end, and one end of the mandrel is worn from the closure end
Go out, wherein the bearing mounting base of a bearing is processed in the inner cavity of the shell；The other end of the shell passes through detachable
Ground lid blocks, and the other end of the mandrel is pierced by from the lid, and the bearing mounting base of another bearing is processed described
In lid；
The shell, which is equipped with, makes the air port that its inner cavity is in communication with the outside；
Axis direction along the mandrel is equipped with hollow cavity in it, is from left to right slidably arranged equipped with spring and collet body
In the hollow cavity；The installation conical surface is equipped in the hollow cavity, and the internal diameter of the installation conical surface is from left to right gradual
Reduce；
The hollow structure that the collet body is made of press section, clamping cone and base ring, the press section is by the clamping vertebra
The small end of body extends to form to the right along the axial direction of the hollow cavity, and the base ring is by the big end for clamping centrum in described
The axial direction of cavity body extends to form to the left, and the left side of the base ring is contacted with the spring；The clamping cone and the peace
The cooperation of conical surface adaptability is filled, is equipped with several adjusting through-holes on it along the taper direction for clamping centrum, the adjusting is logical
Hole is connected to the lateral wall and madial wall for clamping centrum；
Cone sheets is set in the adjusting through-hole, and the cone sheets is consistent with the clamping taper of centrum；
The racetrack structure for adjusting through-hole and being made of two parallel edges and two arc-shaped edges, two long sides of the cone sheets are just
It is installed between two parallel edges, the length of line is equal to the width of the cone sheets between the starting point and destination node of the arc-shaped edges
Degree；The madial wall that the cone sheets is contacted with vehicle needle is equipped with double wedge.
2. a kind of push type high speed dental turbo mobile phone according to claim 1, it is characterised in that：The mandrel passes through institute
The end position for stating lid is equipped with dustproof cover, and the dustproof cover wraps up the mandrel of the end position and is fixed on the lid
In cavity axially inward；The end face of the lid and the bearing touch is set with crash roll.
3. a kind of push type high speed dental turbo mobile phone according to claim 1, it is characterised in that：In the hollow cavity
Equipped with hollow gripping sleeve, in the gripping sleeve, the collet body is sleeved in the gripping sleeve installation cone face process,
So that the clamping cone coordinates with the installation conical surface adaptability.
4. a kind of push type high speed dental turbo mobile phone according to claim 3, it is characterised in that：The hollow cavity from
It is left-to-right to be made of minor diameter cavity and major diameter cavity two parts, the spring be arranged the right side of the minor diameter cavity with
Between the left side of the collet body；The gripping sleeve is fixed in the major diameter cavity, and the base ring is slidably arranged
In the major diameter cavity, the press section is slidably arranged in the gripping sleeve.
5. a kind of push type high speed dental turbo mobile phone according to claim 1, it is characterised in that：The right side of the press section
The hollow cavity is stretched out at end, the outside of the press section is sleeved on equipped with headgear body, and be fixed on the hollow cavity most
Right end, and the hollow cavity is stretched out in one end of headgear body.
6. a kind of push type high speed dental turbo mobile phone according to claim 5, it is characterised in that：The headgear body and institute
It states between hollow cavity to be detachably connected.
7. a kind of push type high speed dental turbo mobile phone according to claim 5 or 6, it is characterised in that：The press section
Lateral wall be equipped with large-diameter portion, be less than in the headgear body with the outer diameter of outer portion except the large-diameter portion on the press section
Diameter, the press section are slidably coordinated by the large-diameter portion and the headgear body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920008.4A CN105411687B (en) | 2015-12-10 | 2015-12-10 | A kind of push type high speed dental turbo mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510920008.4A CN105411687B (en) | 2015-12-10 | 2015-12-10 | A kind of push type high speed dental turbo mobile phone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105411687A CN105411687A (en) | 2016-03-23 |
| CN105411687B true CN105411687B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510920008.4A Active CN105411687B (en) | 2015-12-10 | 2015-12-10 | A kind of push type high speed dental turbo mobile phone |
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| CN (1) | CN105411687B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109998704B (en) * | 2019-04-07 | 2024-07-23 | 佛山市多易美医疗器材有限公司 | Pressing shaft |
| CN110425207A (en) * | 2019-08-23 | 2019-11-08 | 江苏金帆新程装备有限公司 | A kind of quick chuck component |
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| US5947485A (en) * | 1997-07-15 | 1999-09-07 | Nguyen; Tuan | Collet assembly and manufacturing process |
| WO2011052034A1 (en) * | 2009-10-27 | 2011-05-05 | Soma Kuniji | Therapeutic tool gripping device for a handpiece |
| CN102805665A (en) * | 2011-06-01 | 2012-12-05 | 株式会社中西 | Dental handpiece |
| CN203208134U (en) * | 2013-04-24 | 2013-09-25 | 曾文彬 | High-speed turbine dental handpiece bur main shaft |
| CN203263556U (en) * | 2013-05-23 | 2013-11-06 | 宁静瑶 | Pressing shaft of dental handpiece |
| CN104825238A (en) * | 2015-05-19 | 2015-08-12 | 佛山市驰康医疗器材有限公司 | Head of dental handpiece |
| CN205339170U (en) * | 2015-12-10 | 2016-06-29 | 佛山市德克医疗器械有限公司 | Push type high speed dental turbine handpiece |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020153675A1 (en) * | 2001-04-18 | 2002-10-24 | Adams Rory Neil | Chuck for rotary tools |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5947485A (en) * | 1997-07-15 | 1999-09-07 | Nguyen; Tuan | Collet assembly and manufacturing process |
| WO2011052034A1 (en) * | 2009-10-27 | 2011-05-05 | Soma Kuniji | Therapeutic tool gripping device for a handpiece |
| CN102805665A (en) * | 2011-06-01 | 2012-12-05 | 株式会社中西 | Dental handpiece |
| CN203208134U (en) * | 2013-04-24 | 2013-09-25 | 曾文彬 | High-speed turbine dental handpiece bur main shaft |
| CN203263556U (en) * | 2013-05-23 | 2013-11-06 | 宁静瑶 | Pressing shaft of dental handpiece |
| CN104825238A (en) * | 2015-05-19 | 2015-08-12 | 佛山市驰康医疗器材有限公司 | Head of dental handpiece |
| CN205339170U (en) * | 2015-12-10 | 2016-06-29 | 佛山市德克医疗器械有限公司 | Push type high speed dental turbine handpiece |
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| CN105411687A (en) | 2016-03-23 |
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