CN100568399C - Locating device, stepless rotary positioning apparatus and have its display device - Google Patents
Locating device, stepless rotary positioning apparatus and have its display device Download PDFInfo
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- CN100568399C CN100568399C CNB2006101272437A CN200610127243A CN100568399C CN 100568399 C CN100568399 C CN 100568399C CN B2006101272437 A CNB2006101272437 A CN B2006101272437A CN 200610127243 A CN200610127243 A CN 200610127243A CN 100568399 C CN100568399 C CN 100568399C
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Abstract
A kind of stepless rotary positioning apparatus, rotation that can convenient display device, and firm support is provided simultaneously.Stepless rotary positioning apparatus comprises pedestal, turning axle and positive force generator.Pedestal comprises housing and base, and turning axle comprises force side and frictional force seat.Its middle shell has first rubbing surface, and with the corresponding setting of second rubbing surface that turning axle frictional force seat upper surface forms, frictional force seat is provided with rotationally and is contained in the housing, and can move vertically.The positive force generator be arranged at frictional force seat and base between, provide a positive force to oppress frictional force seat vertically, make second rubbing surface and the first rubbing surface butt.
Description
Technical field
The display device that the invention relates to a kind of stepless rotary positioning apparatus and use this kind rotary positioning apparatus; Particularly, the invention relates to a kind of stepless rotary positioning apparatus, for being used with display device.
Background technology
The every demand in the life of people's information has been satisfied in the progress of display device technology, and its application is very extensive, and little of the personal electric product, to computer screen, electrical home appliances and advertisement plate etc., visual display unit and human lives's is closely connected everywhere greatly.
The common locating device that is used for the household electrical appliances display device can roughly be divided into fixed and rotary two kinds at present.The former or one-body molded with the household electrical appliances display device, or be arranged at around the bottom of household electrical appliances display device, though firm support can be provided, can't arbitrarily rotate; Though the latter can rotate according to user's demand, but owing to generally be to adopt locked instrument collocation spring such as free bearing with fixed rotating shaft, therefore rotate abrasion because of repeating between rotating shaft and the locked instrument joint easily, or flexible tired because of spring itself, and easily being given birth to, display device rocks.In addition, when the household electrical appliances display device is heavier, the inconvenience that is difficult for rotation is arranged also.
Figure 1 shows that the rotary positioning apparatus of prior art.As shown in Figure 1, rotary positioning apparatus comprises pedestal 20, turning axle 30 and spring lock fixing apparatus 40.Wherein turning axle 30 tops connect a holder 50, can carry household electrical appliances display device 60.Rotate turning axle 30 when user's desire, must overcome the friction force of 40 of the gravity of household electrical appliances display device 60 and turning axle 30 and spring lock fixing apparatus, to meet the demand in the use.Yet, often rotate between axle 30 and the spring lock fixing apparatus 40 the rotation abrasion of repeating in the use, or because of the tired elasticity of spring lock fixing apparatus 40 itself, household electrical appliances display device 60 is easily living rocks and make because of joint.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of stepless rotary positioning apparatus, for being used with display device, with the rotation of convenient display device, and provides firm support simultaneously.
Another object of the present invention is to provide a kind of stepless rotary positioning apparatus, the abrasion between may command rotating shaft and stationary installation also promote the efficient of using.
Another object of the present invention is to provide a kind of stepless rotary positioning apparatus, has assembling and is easy to convenience.
Another object of the present invention is to provide a kind of display device stepless rotary positioning apparatus, the ratio of may command loading strength and display device weight, the size of the strength that personnel need apply when adjusting rotation.
Stepless rotary positioning apparatus of the present invention comprises pedestal, turning axle and positive force generator.Pedestal comprises housing and base, and turning axle comprises force side and frictional force seat.Its middle shell has one first rubbing surface, the corresponding setting of second rubbing surface that this first rubbing surface and turning axle frictional force seat upper surface form, and frictional force seat is provided with rotationally and is contained in the housing, and can move vertically.The positive force generator is arranged between frictional force seat and the base, provides a positive force to oppress frictional force seat vertically, makes second rubbing surface and the first rubbing surface butt.
In a preferred embodiment, pedestal comprises ring bodies and the sidewall that is linked to the ring bodies below, turning axle comprises back shaft and frictional force seat, wherein back shaft passes the opening of ring bodies and can link the stilt for the treatment of that is positioned at outside the pedestal, frictional force seat can move up and down and be contained in the pedestal rotationally greater than the opening of ring bodies.The positive force generator is arranged between pedestal and the frictional force seat, and wherein the positive force generator provides an anchorage force to support frictional force seat upward.Frictional force seat has the friction upper surface, produces friction force with ring bodies lower surface butt.When a user forces in turning axle downwards, can offset anchorage force upwards, and then reduce friction, can allow user's overcome friction and rotate turning axle easily.
As further preferred, this turning axle comprises a wear plate in addition, in case the wearing and tearing during the turning axle rotation.
The present invention provides a kind of display device stepless rotary positioning apparatus simultaneously, comprises display device and stepless rotary positioning apparatus.Stepless rotary positioning apparatus comprises pedestal, turning axle and positive force generator, and wherein pedestal comprises housing and base, and turning axle comprises force side and frictional force seat, and the frictional force seat of turning axle is provided with rotationally and is contained in the housing, and can move vertically.Display device comprises holder, links to each other with the force side of stepless rotary positioning apparatus.The positive force generator be arranged at frictional force seat and base between, provide a positive force to oppress frictional force seat vertically, second rubbing surface and the first rubbing surface butt of housing that the frictional force seat upper surface is formed, and support display device.As further preferred, this turning axle comprises a wear plate in addition, in case the wearing and tearing during the turning axle rotation.
Description of drawings
Figure 1 shows that the synoptic diagram of the rotary positioning apparatus of prior art.
Fig. 2 a is depicted as the sectional view of stepless rotary positioning apparatus embodiment of the present invention.
Fig. 2 b is depicted as the sectional view of another embodiment of stepless rotary positioning apparatus of the present invention.
Figure 3 shows that the sectional view of another embodiment of stepless rotary positioning apparatus of the present invention.
Fig. 4 a is depicted as the three-dimensional exploded view of stepless rotary positioning apparatus embodiment of the present invention.
Fig. 4 b is depicted as the three-dimensional exploded view of another embodiment of stepless rotary positioning apparatus of the present invention.
Figure 5 shows that the three-dimensional combination figure of display device stepless rotary positioning apparatus embodiment of the present invention.
Embodiment
The invention provides a kind of stepless rotary positioning apparatus,,, and provide firm support simultaneously with the rotation of convenient display device for being used with display device.Stepless whirligig of the present invention can be advantageously applied to the household electrical appliances display device as TV etc., yet in different embodiment, stepless rotary positioning apparatus of the present invention also can be applicable to personal computer screen or other heavier display device.In addition, stepless rotary positioning apparatus of the present invention also can need provide rotatably supported device to be used with other.
Fig. 2 a is depicted as a preferred embodiment of stepless rotary positioning apparatus of the present invention.Shown in the sectional view of Fig. 2 a, stepless rotary positioning apparatus comprises pedestal 200, turning axle 300 and positive force generator 400.Wherein pedestal 200 comprises housing 210 and base 220, and turning axle 300 comprises force side 310 and relative frictional force seat 320.The force side 310 of this place speech is meant and connects an end for the treatment of stilt, external force promptly thus the force side import into.Shown in the preferred embodiment of Fig. 2 a, base 220 is to be arranged in the housing 210 and with the inside surface of housing 210 to link to each other.Shown in Fig. 2 a, housing 210 is preferably cylindrical, yet in different embodiment, housing 210 also can be the polygon post, ovallized column or other different shape.As shown in the figure, in this preferred embodiment, housing 210 is formed by the fine plastic material of polynary carbon, yet in different embodiment, housing 210 also can be by the alloy material, or is formed by thermoset plastic material such as acryl or resins.
Shown in the preferred embodiment of Fig. 2 a, housing 210 comprises top board 211, is formed with an axis hole 212 on the top board 211.The force side 310 of turning axle 300 is stretched out outside the housing 210 via axis hole 212 and is linked to each other with holder 500, and frictional force seat 320 and top board 211 butts.Shown in Fig. 2 a, frictional force seat 320 is radially to extend to form second rubbing surface 330, with first rubbing surface, the 230 corresponding settings of top board 211 inside surfaces formation.Shown in Fig. 2 a, in this preferred embodiment, first rubbing surface 230 is the whole inside surfaces that are formed at top board 211.Yet in different embodiment, the width that first rubbing surface 230 also can corresponding frictional force seat 320 upper surfaces forms in the part inside surface of top board 211.In addition, in this embodiment, second rubbing surface is to contact with first rubbing surface separably.Alternatively, turning axle can also comprise wear plate, is arranged between first rubbing surface and second rubbing surface and/or around described turning axle (not shown) is set, the wearing and tearing when preventing the turning axle rotation.
Shown in Fig. 2 a, first rubbing surface 230 is preferably by as rubber, PP, PVC, PE elastomeric material, and the inside surface that is attached at top board 211 forms.Yet in different embodiment, also can attach as soft materials such as sponge, foam or other leather substance in the inside surface of top board 211 to form first rubbing surface 230.Shown in Fig. 2 a, second rubbing surface 330 that is positioned at frictional force seat 320 upper surfaces preferably comprises a zigzag section, and with first rubbing surface, 230 butts.Yet in different embodiment, the generation type of second rubbing surface also comprises with the upper surface formation particle face of injection molding method in frictional force seat 320, or attaches particle plane materiel matter on the upper surface of frictional force seat 320.In addition, in different embodiment, the inside surface that first rubbing surface 230 also is contained in top board 211 forms a zigzag section, and attaches second rubbing surface, 330 butts that resilient material or soft materials form in frictional force seat 320 upper surfaces.
Shown in the preferred embodiment of Fig. 2 a and Fig. 2 b, frictional force seat 320 can move and be contained in rotationally in the housing 210 vertically.Positive force generator 400 is arranged between frictional force seat 320 and the base 220, provides a positive force to oppress frictional force seat 320 vertically, makes second rubbing surface 330 and first rubbing surface, 230 butts to produce friction force.Shown in the preferred embodiment of Fig. 2 a, positive force generator 400 comprises first magnetic 410 that is arranged at frictional force seat 320, and second magnetic 420 that is arranged at base 220.First magnetic 410 and second magnetic 420 adopt the setting of homopolarity relative mode, by first magnetic 410 and second magnetic 420 repulsion to each other, provide a positive force to oppress frictional force seat 320 vertically, make second rubbing surface 330 and first rubbing surface, 230 butts.Shown in Fig. 2 b, second magnetic 420 also can comprise a ring-shaped magnet, is arranged at the inner space of pedestal 200, and its relative position is lower than first magnetic 420 of frictional force seat 320.Yet in different embodiment, also second magnetic 420 can be set in the both sides of pedestal 200 inside respectively, mat and first magnetic 410 repulsion to each other provide a positive force to oppress frictional force seat 320 vertically.
Shown in the preferred embodiment of Fig. 2 a and Fig. 2 b, when the user forces in force side 310 downwards, can offset the magnetic repulsion force and then the power of reducing friction upwards, and allow user's overcome friction rotation turning axle 300 easily.Also promptly, as user after overcome friction is rotated turning axle 300 easily, the user can rotate turning axle 300 vertically to arbitrarily angled, to meet the demand in the use.Treat that turning axle 300 turns to certain special angle, the user can stop to force in the magnetic repulsion force of 410 of force side 310, the second magnetics 420 and first magnetics downwards and promptly oppress frictional force seat 320 vertically, and firm support is provided.In addition, the user applies downward pressure to be made friction force reduces except that reducing positive force, when downward pressure during greater than magnetic force, first rubbing surface is separated with second rubbing surface, and then friction is therebetween disappeared.
Shown in the embodiment of Fig. 3, the positive force generator is a pneumatic shuttle 430.The pedestal 432 of pneumatic shuttle 430 is to be arranged on the base 220, and 431 of the atmospheric pressure poles of pneumatic shuttle 430 are butt frictional force seat 320 upwards.Mat air pressure provides positive force compressing frictional force seat 320, makes first rubbing surface 230 and second rubbing surface, 330 butts.In this preferred embodiment, pneumatic shuttle 430 further comprises the air pressure regulation device, by adjusting the ratio of control air pressure with control loading strength and load-carrying body weight, the strength size of the required application of force of personnel when adjusting rotation.
In another embodiment, to shown in Figure 3 similar, the positive force generator is an oil gear.The pedestal of oil gear is arranged on the base 220, and the atmospheric pressure pole of oil gear is butt frictional force seat 320 upwards then, and the mat oil pressure provides positive force compressing frictional force seat 320.Make first rubbing surface 230 and second rubbing surface, 330 butts.In this preferred embodiment, oil gear further comprises the oil pressure regulation device, by adjusting the ratio of control oil pressure with control loading strength and load-carrying body weight, the strength size of the required application of force of personnel when adjusting rotation.
Fig. 4 a is depicted as another embodiment of locating device of the present invention, comprises pedestal 200, turning axle 300 and positive force generator 400.Shown in Fig. 4 a, pedestal 200 comprises ring bodies 211 and is linked to the housing sidewall 213 of ring bodies 211 belows, turning axle 300 comprises back shaft 310 and frictional force seat 320, wherein ring bodies 211 has opening 212 and ring bodies lower surface 230, back shaft 310 pass opening 212 and can link be positioned at pedestal 200 outer one treat stilt.Shown in Fig. 4 a, in this preferred embodiment, frictional force seat 320 can move up and down and be contained in rotationally in the pedestal 200 greater than opening 212, and frictional force seat 320 has frictional force seat upper surface 330 and ring bodies lower surface 230 joins.Shown in the preferred embodiment of Fig. 4 a and 4b, positive force generator 400 is arranged at frictional force seat 320 and base 220, provide an anchorage force to support frictional force seat 320 upward, make frictional force seat upper surface 330 be connected to ring bodies lower surface 230 and produce a friction force.
Shown in Fig. 4 a and 4b, in this preferred embodiment, positive force generator 400 comprises first magnetic 410 and second magnetic 420, first magnetic 410 is arranged at frictional force seat 320, second magnetic 420 is arranged at the base 220 of pedestal 200 and is lower than the position of frictional force seat 320, wherein first magnetic 410 and second magnetic 420 adopt the setting of homopolarity relative modes, with the magnetic repulsive force of 420 of first magnetic 410 and second magnetics as the anchorage force that makes progress.Shown in Fig. 4 b, second magnetic 420 preferably also comprises ring-shaped magnet, and is chimeric with housing sidewall 213.Yet in different embodiment, also second magnetic 420 can be set in the both sides of pedestal 200 inside respectively, mat and first magnetic 410 repulsion to each other provide a positive force to oppress frictional force seat 320 vertically.
Shown in Fig. 4 a, in this preferred embodiment, the material that forms ring bodies lower surface 230 is the elastic material that comprises as rubber, PP, PVC, PE etc.Yet in different embodiment, ring bodies lower surface 230 also can comprise as soft materials or other leather substances such as sponge, foams.Shown in Fig. 4 a, frictional force seat upper surface 330 comprises formation one serrated face butt ring bodies lower surface 230, produces a friction force with braking turning axle 310.Yet in different embodiment, also can form the particle face at frictional force seat upper surface 330 by injection molding method, or attach particle plane materiel matter to form frictional force seat upper surface 330.When the user forces in turning axle 310 downwards, can offset anchorage force and then reduce friction, can allow user's overcome friction and rotate turning axle 300 easily.
Figure 5 shows that the display device embodiment that comprises stepless rotary positioning apparatus and display 600.As shown in Figure 5, stepless rotary positioning apparatus comprises pedestal 200, turning axle 300 and positive force generator 400, and display 600 comprises holder 500.Wherein pedestal 200 comprises housing 210 and base 220, and turning axle 300 comprises force side 310 and relative frictional force seat 320.As shown in Figure 5, in this preferred embodiment, housing 210 comprises top board 211, is formed with an axis hole 212 on the top board 211, and the force side 310 of turning axle 300 is stretched out outside the housing 210 via axis hole 212 and linked to each other with holder 500, and supporting display 600.As shown in Figure 5, frictional force seat 320 and top board 211 butts, wherein frictional force seat 320 radially extends to form second rubbing surface 330, with first rubbing surface, the 230 corresponding settings of top board 211 inside surfaces formation.
Shown in the preferred embodiment of Fig. 5, frictional force seat 320 can move and be contained in rotationally in the housing 210 vertically.Positive force generator 400 is arranged between frictional force seat 320 and the base 220, provides a positive force to oppress frictional force seat 320 vertically, makes second rubbing surface 330 and first rubbing surface, 230 butts.As shown in Figure 5, positive force generator 400 preferably comprises first magnetic 410 that is arranged at frictional force seat 320, and second magnetic 420 that is arranged at base 220, wherein first magnetic 410 and second magnetic 420 adopt the setting of homopolarity relative mode, mat first magnetic 410 and second magnetic 420 repulsion to each other, provide a positive force to oppress frictional force seat 320 vertically, make second rubbing surface 330 and first rubbing surface, 230 butts.In this preferred embodiment, second magnetic 420 preferably also comprises a ring-shaped magnet, is arranged at the inner space of pedestal 200, and its relative position is lower than first magnetic 420 of frictional force seat 320.Yet in different embodiment, also second magnetic 420 can be set in the both sides of pedestal 200 inside respectively, mat and first magnetic 410 repulsion to each other provide a positive force to oppress frictional force seat 320 vertically.
Shown in the preferred embodiment of Fig. 5, when the user forces in display 600 downwards, can offset the magnetic repulsion force and then the power of reducing friction upwards, and allow user's overcome friction rotation turning axle 300 easily.In other words, as user after overcome friction is rotated turning axle 300 easily, the user can rotate display 600 vertically to arbitrarily angled, to meet the demand of watching.Device 600 to be shown turns to certain special angle, and the user can stop to force in the magnetic repulsion force of 410 of display 600, the second magnetics 420 and first magnetics downwards and promptly oppress frictional force seat 320 vertically, and firm support is provided.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.It must be noted that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, being contained in the modification of the spirit of claim and scope and equalization is provided with and all is contained in the scope of the present invention.
Claims (26)
1. stepless rotary positioning apparatus comprises:
One pedestal, described pedestal comprise a housing and a base, and wherein said housing has one first rubbing surface;
One turning axle, described turning axle comprises a force side and a frictional force seat on the other side, described frictional force seat comprises a upper surface and forms one second rubbing surface, described second rubbing surface can move and be contained in rotationally in the described housing with the corresponding setting of described first rubbing surface, wherein said frictional force seat vertically; And
One positive force generator is arranged between described frictional force seat and the described base, and wherein said positive force generator provides a positive force to oppress described frictional force seat vertically, makes described second rubbing surface and the described first rubbing surface butt.
2. the described stepless rotary positioning apparatus of claim 1, wherein said positive force generator comprises first magnetic that is arranged at described frictional force seat, and second magnetic that is arranged at described base, wherein said first magnetic and described second magnetic adopt the setting of homopolarity relative mode.
3. the described stepless rotary positioning apparatus of claim 1, wherein said housing comprises a top board, is formed with an axis hole on the described top board, and described first rubbing surface is formed at an inside surface of described top board, and stretch out outside the described housing via described axis hole described force side.
4. the described stepless rotary positioning apparatus of claim 1, wherein said frictional force seat radially extends to form described second rubbing surface.
5. the described stepless rotary positioning apparatus of claim 1, wherein said second rubbing surface contacts with described first rubbing surface separably.
6. the described stepless rotary positioning apparatus of claim 1, wherein said positive force generator comprises a pneumatic shuttle, the two ends of described pneumatic shuttle are described base of butt and described frictional force seat respectively, mat one air pressure provides a positive force to oppress described frictional force seat, makes described first rubbing surface and the described second rubbing surface butt.
7. the described stepless rotary positioning apparatus of claim 6, wherein said pneumatic shuttle further comprises an air pressure regulation device, controls described air pressure adjustably.
8. the described stepless rotary positioning apparatus of claim 1, wherein said positive force generator comprises an oil gear, the two ends of described oil gear are described base of butt and described frictional force seat respectively, mat one oil pressure provides a positive force to oppress described frictional force seat, makes described first rubbing surface and the described second rubbing surface butt.
9. the described stepless rotary positioning apparatus of claim 8, wherein said oil gear further comprises an oil pressure regulation device, controls described oil pressure adjustably.
10. the described stepless rotary positioning apparatus of claim 1, wherein said first rubbing surface comprises described second rubbing surface of an elastic material butt, produces a friction force to brake described turning axle.
Form described first rubbing surface of a serrated face butt 11. the described stepless rotary positioning apparatus of claim 1, wherein said second rubbing surface comprise, produce a friction force to brake described turning axle.
12. the described stepless rotary positioning apparatus of claim 1, wherein said turning axle comprises a wear plate in addition, in case the wearing and tearing in described turning axle when rotation.
13. a display device comprises:
One display, described display comprises a holder; And
One stepless rotary positioning apparatus comprises:
One pedestal, described pedestal comprise a housing and a base, and wherein said housing has one first rubbing surface;
One turning axle, described turning axle comprises a force side and a frictional force seat on the other side, described force side and described holder join, described frictional force seat comprises a upper surface and forms one second rubbing surface, described second rubbing surface can move and be contained in rotationally in the described housing with the corresponding setting of described first rubbing surface, wherein said frictional force seat vertically; And
One positive force generator, be arranged between described frictional force seat and the described base, wherein said positive force generator provides a positive force to oppress described frictional force seat vertically, makes described second rubbing surface and the described first rubbing surface butt, and supports described display device.
14. the described display device of claim 13, wherein said positive force generator comprises first magnetic that is arranged at described frictional force seat, and second magnetic that is arranged at described base, wherein said first magnetic and described second magnetic adopt the setting of homopolarity relative mode.
15. the described display device of claim 13, wherein said housing comprises a top board, is formed with an axis hole on the described top board, and described first rubbing surface is formed at an inside surface of described top board, and stretch out outside the described housing via described axis hole described force side.
16. the described display device of claim 13, wherein said frictional force seat radially extend to form described second rubbing surface.
17. the described display device of claim 13, wherein said turning axle can drive described display device in axial rotation.
18. the described display device of claim 13, wherein said positive force generator comprises a pneumatic shuttle, the two ends of described pneumatic shuttle are described base of butt and described frictional force seat respectively, mat one air pressure provides a positive force to oppress described frictional force seat, make described first rubbing surface and the described second rubbing surface butt, and support described display device.
19. the described display device of claim 18, wherein said pneumatic shuttle further comprise an air pressure regulation device, control described air pressure adjustably.
20. the described display device of claim 13, wherein said positive force generator comprises an oil gear, the two ends of described oil gear are described base of butt and described frictional force seat respectively, mat one oil pressure provides a positive force to oppress described frictional force seat, make described first rubbing surface and the described second rubbing surface butt, and support described display device.
21. the described display device of claim 20, wherein said oil gear further comprise an oil pressure regulation device, control described oil pressure adjustably.
22. a locating device comprises:
One pedestal, described pedestal have a ring bodies and a sidewall that is linked to described ring bodies below, and described ring bodies has an opening and a ring bodies lower surface;
One turning axle, described turning axle comprises a back shaft and a frictional force seat, described back shaft pass described opening and can link be positioned at described pedestal outer one treat stilt, described frictional force seat is greater than described opening, described frictional force seat can move up and down and be contained in rotationally in the described pedestal, and described frictional force seat has a frictional force seat upper surface; And
One positive force generator, be arranged between described pedestal and the described frictional force seat, wherein said positive force generator provides an anchorage force to support described frictional force seat upward, makes described frictional force seat upper surface be connected to described ring bodies lower surface and produces a friction force;
When the user forces in described turning axle downwards, can offset described anchorage force, and then reduce described friction force, can allow described user to overcome described friction force easily and rotate described turning axle.
23. the described locating device of claim 22, wherein said positive force generator comprises one first magnetic and one second magnetic, described first magnetic is arranged at described frictional force seat, described second magnetic is arranged at described pedestal and is lower than the position of described frictional force seat, and described first magnetic and described second magnetic adopt the setting of homopolarity relative mode, with the magnetic repulsive force between described first magnetic and described second magnetic as the described anchorage force that makes progress.
24. the described locating device of claim 22, wherein said ring bodies lower surface comprise the described frictional force seat upper surface of an elastic material butt, produce a friction force to brake described turning axle.
Form the described ring bodies lower surface of a serrated face butt 25. the described locating device of claim 22, wherein said frictional force seat upper surface comprise, produce a friction force to brake described turning axle.
26. the described locating device of claim 22, wherein said turning axle comprises a wear plate in addition, the wearing and tearing when preventing the rotation of described turning axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101272437A CN100568399C (en) | 2006-09-14 | 2006-09-14 | Locating device, stepless rotary positioning apparatus and have its display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101272437A CN100568399C (en) | 2006-09-14 | 2006-09-14 | Locating device, stepless rotary positioning apparatus and have its display device |
Publications (2)
| Publication Number | Publication Date |
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| CN101145403A CN101145403A (en) | 2008-03-19 |
| CN100568399C true CN100568399C (en) | 2009-12-09 |
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| CNB2006101272437A Active CN100568399C (en) | 2006-09-14 | 2006-09-14 | Locating device, stepless rotary positioning apparatus and have its display device |
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| Country | Link |
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| CN (1) | CN100568399C (en) |
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