CN201818678U - Mechanical disc brake caliper - Google Patents
Mechanical disc brake caliper Download PDFInfo
- Publication number
- CN201818678U CN201818678U CN2010202824408U CN201020282440U CN201818678U CN 201818678 U CN201818678 U CN 201818678U CN 2010202824408 U CN2010202824408 U CN 2010202824408U CN 201020282440 U CN201020282440 U CN 201020282440U CN 201818678 U CN201818678 U CN 201818678U
- Authority
- CN
- China
- Prior art keywords
- fitting recess
- brake caliper
- brake
- push rod
- disk brake
- 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.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
- F16D55/225—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads
- F16D55/226—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members the braking members being brake pads in which the common actuating member is moved axially, e.g. floating caliper disc brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L1/00—Brakes; Arrangements thereof
- B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/36—Helical cams, Ball-rotating ramps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/60—Cables or chains, e.g. Bowden cables
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/58—Mechanical mechanisms transmitting linear movement
- F16D2125/64—Levers
Abstract
The utility model relates to a mechanical disc brake caliper which comprises a brake caliper body and a ball base, a push rod, a pulling arm, a position guide disc, a lock plug and a pair of brake sheets. The structure of the mechanical disc brake caliper is mainly characterized in that the push rod and the position guide disc are in arc-shaped concave-convex matched and deflected design, and when in braking, the mechanical disc brake caliper can automatically adjust the angle of the brake sheets, so that the brake sheets can be fully contacted with a brake disc. In the utility model, the bottom surface of the rotating slot of the ball base is designed into a step guide surface which is steep at the front part, and slightly slope at the back part and has different slope changes; through the steep slope of the front section of the step guide surface, the mechanical disc brake caliper can improve the brake feed speed; and through the slightly slope design of the back section of the step guide surface, the mechanical disc brake caliper can be operated with less labor, and has good braking effect.
Description
Technical field
The utility model relates to a kind of braking device that applies to bicycle or sports equipment, particularly a kind of mechanical type disk brake caliper.
Background technique
In order to improve the skidding usefulness and the Security of bicycle or sports equipment, the brake system of at present increasing bicycle or sports equipment adopts the disc brakes device.Present existing disc brakes device is mainly divided into two big systems such as mechanical type and hydraulic type according to driving mode, the structure of mechanical type disk brake caliper is wherein relatively simplified and to make cost of production lower, so relatively be suitable for the plain edition bicycle or sports equipment uses.
The structural form of prior mechanical disk brake caliper and drive controlling mode, can consult as TaiWan, China and announce " bicycle disc brakes structure improvement " patent case of No. 327876, " mechanical bicycle Disk brake device " patent case that TaiWan, China is announced No. 538950, and the disclosed disk brake caliper design of M318574 number patent documentation such as " Bicycle dished brake brake structure improvement " patent case of TaiWan, China certificate number, no longer describe in detail at this.Though the prior mechanical disk brake caliper can provide the effect of skidding, on practical operation is used, still be easy to generate the problem and shortage of the following stated:
1. the design of existing disk brake caliper, with brake block directly absorption be posted by the end face of brake push rod, when brake, the brake push rod directly promotes brake block and contacts with the disc that brakes and form brake drag effect.Such design, if the setting angle of brake disc and brake block is not accurately to be positioned at the state of being parallel to each other, when brake, brake block can't contact with the brake disc comprehensively, and then the phenomenon of generation local friction, not only the skidding effect is relatively poor, and the problem that can cause the brake block concentrated wear to destroy.
2. the pushing and pressing face of the ball base of existing disk brake caliper generally is to take comparatively mild single radian form, makes the brake push rod be maintained fixed in the feed speed of whole brake process.For the car type of using mainly as mountain-climbing, performance or sports voluntarily, since these voluntarily car type must often carry out brake operation rapidly, the fixing mechanical type disk brake caliper of existing brake feed speed obviously is not enough to satisfy these demands of manipulating of car type voluntarily.
The model utility content
Be difficult to contact with the brake disc about brake block for solving existing machinery formula disk brake caliper comprehensively, and the fixing problem and shortage of brake feed speed, main purpose of the present utility model is to provide a kind of can make the evenly mechanical type disk brake caliper of cramping brake disc of the comprehensive ground of brake block, it mainly is that front end at push rod is provided with one and leads the position dish, form the concavo-convex matching design of arc between position dish and the push rod and allow and lead the position dish and possess the beat function leading, when braking, can adjust the angle of brake block automatically, brake block can be contacted with the brake disc comprehensively, thereby reach good skidding effect.
Further purpose of the present utility model is to provide a kind of brake mechanical type disk brake caliper fast, it is that bottom surface with the spin slot of ball base is made as that near more top slope becomes mild more and the tool Different Slope changes leads terrace, by leading the abrupt slope design of terrace leading portion, can promote the brake feed speed of disk brake caliper, by leading the gentle slope design of terrace back segment, can guarantee the rapid operation of disk brake caliper and possess good skidding effect.
The purpose of this utility model is to adopt following technological scheme to realize.
Mechanical type disk brake caliper according to the utility model proposes comprises:
One clamp body, it is provided with a fitting recess, form an opening end and at the two ends of described fitting recess respectively and run through described clamp body and internal diameter bar hole, be provided with a disc embedding mouth that is through to described fitting recess at the middle section position of described clamp body less than described fitting recess;
One ball base, it is set and is positioned described fitting recess and provides a bar hole that aligns mutually with described bar hole in the position, axle center, described ball base radially uniformly-spaced is concaved with the spin slot of three road arcs at the end face towards described fitting recess opening end, sets respectively at each spin slot and is provided with a ball;
One push rod, it is located at described fitting recess and against each ball, described push rod comprises a dish portion and a bar portion by this dish portion axle center one extension, described dish portion is arranged with in the end face neutral position towards described fitting recess opening end and forms an arc fluting, be provided with a joining hole in the central position of described arc fluting, described bar portion is that bar hole and the end that passes described ball base and clamp body passes described clamp body and form a clip head;
One pulling and stopping arm, its clip are incorporated into the clip head of described push rod, are provided with a Returnning spring between described pulling and stopping arm and clamp body;
One leads the position dish, its be located at described fitting recess and the end face towards described push rod convex with one with the arc projection of described arc fluting tabling, a described shaft core position of leading position dish has provided a keyhole, and utilizes a Combining bolt to pass described keyhole and be incorporated into the joining hole of described push rod;
One locked cock, it is incorporated into the opening end of described fitting recess with screw thread; And
Two brake blocks are installed in the described fitting recess and are positioned at the position of described disc embedding mouth both sides relatively, and respectively in conjunction with being positioned a described position dish and the locked cock of leading.
Described mechanical type disk brake caliper is wherein at described Combining bolt and lead between the position dish and be provided with an elastic component.
Described mechanical type disk brake caliper, elastic component wherein are resilient pad, and described Combining bolt is to be incorporated into described joining hole with screw thread.
Described mechanical type disk brake caliper, arc fluting wherein is the ball impression shape.
It is one skewed in the shape of a spiral and have a terrace of leading that Different Slope changes that described mechanical type disk brake caliper, wherein spin slot bottom surface form.
Described mechanical type disk brake caliper, the slope variation of leading terrace wherein are that steep back slope slow and near more described ball base end face becomes mild more before being made as.
The mechanical type disk brake caliper that the utility model proposed, the beneficial effect that can obtain comprises:
1. the utility model coils in conjunction with being provided with the position of leading that possesses the beat function at the front end of push rod, when disk brake caliper and brake disc because the error of making moulding or being difficult to avoid when installing, cause brake block can't with brake disc accurately during keeping parallelism, utilization is led the position dish with the guiding beat effect of arc projection with the corresponding arc fluting of push rod, lead the position dish can be adjusted brake block automatically when brake angle, allow brake block contact with the brake disc comprehensively, produce good skidding effect effectively, and can avoid taking place the problem that the brake block concentrated wear destroys.
2. to utilize the terrace of leading of ball base be to be made as the Different Slope change shape that near more top slope becomes mild more to the utility model, by leading the abrupt slope design of terrace leading portion, can significantly promote the brake feed speed of disk brake caliper, by leading the gentle slope design of terrace back segment, can guarantee the rapid operation of disk brake caliper and possess good skidding effect, the utility model takes slope variation from steep to slow to design by leading terrace, can effectively promote the braking effect of disk brake caliper, and can satisfy mainly as mountain-climbing, the car type voluntarily that performance or sports are used must often be carried out the user demand of brake operation rapidly.
Description of drawings
Fig. 1 is the stereo appearance figure of the utility model preferred embodiment.
Fig. 2 is the composition component decomposition map of the utility model preferred embodiment.
Fig. 3 is that the part of the utility model preferred embodiment is formed component decomposition map.
Fig. 4 is the combination section of the utility model preferred embodiment.
Fig. 5 is the section action schematic representation of the utility model preferred embodiment.
Embodiment
Following conjunction with figs. and preferred embodiment of the present utility model, further setting forth the utility model is to reach the technological means that predetermined model utility purpose is taked.
The preferred embodiment that the utility model provides the mechanical type disk brake caliper as shown in Figures 1 to 4, this disk brake caliper mainly comprises a clamp body 10, and the ball base 20, a push rod 30, the pulling and stopping arm 40, that are incorporated into clamp body 10 is installed is relatively led members such as position dish 50, a pair of brake block 60 and a locked cock 70; Wherein:
As Fig. 2 and shown in Figure 4, clamp body 10 has a fitting recess 11 that is provided with according to a brake axis, the two ends of fitting recess 11 are respectively an opening end and a medial extremity, form the flank of thread 111 of tool internal thread at the internal face of the opening end of fitting recess 11, be provided with an internal diameter in the axle center of the medial extremity of fitting recess 11 less than fitting recess 11 and run through the bar hole 12 of clamp body 10, clamp body 10 cuts open at middle section position and is provided with one and is through to fitting recess 11 and the disc embedding mouth 13 that can stretch into for a brake disc 80;
As Fig. 2, Fig. 3 and shown in Figure 4, ball base 20 is for the ring block of tool suitable thickness and set the medial extremity that is positioned fitting recess 11, ball base 20 is provided with a bar hole 21 that aligns mutually with aforementioned rod hole 12 in the position, axle center, be concaved with the recessed edge in a plurality of location at interval at the ring side face, and on the end face of fitting recess 11 opening ends, radially uniformly-spaced be concaved with the spin slot 22 of three road arcs, the bottom surface of each spin slot 22 be form one skewed in the shape of a spiral and have that Different Slope changes lead terrace 222, the slope variation of respectively leading terrace 222 is the form that steep back is slow and near more ball base 20 end face slopes become mild more before being made as, and sets respectively at each spin slot 22 and to be provided with a ball 23;
Pulling and stopping arm 40 is the microscler blocks that connect for braking string, the one end is provided with one can mate the clip hole 41 that clip is sleeved on the clip head 321 of push rod 30, cooperation is passed a pad with a bolt 42 and is incorporated into the screw 322 of push rod 30 with screw thread, allow pulling and stopping arm 40 in conjunction with the clip head 321 that is positioned push rod 30, and in the bar portion 32 between pulling and stopping arm 40 and the clamp body 10, be arranged with the dirt-proof boot 44 that a Returnning spring 43 and is coated on Returnning spring 43 outsides, can utilize Returnning spring 43 that the elastic force of replying initial position is provided for pulling and stopping arm 40;
This is installed in the fitting recess 11 to brake block 60 and is positioned at the position of disc embedding mouth 13 both sides relatively, and one of them brake block 60 is that absorption coils 50 in conjunction with being positioned to lead the position, and another brake block 60 is that absorption is incorporated into locked cock 70;
Locked cock 70 is incorporated into fitting recess 11 for circular plate tectonics and with screw thread, locked cock 30 has an outside thread face 71 and the polygonal column hole 72 along the setting of brake axis around the setting of brake axis, and at locked cock 70 towards the medial extremity of brake block 60 in conjunction with being provided with a magnet 73, locked cock 70 utilizes this outside thread face 71 to be incorporated into the flank of thread 111 of clamp body 10 matchingly with screw thread, and allows corresponding brake block 60 be incorporated into the medial extremity of locked cock 30 by magnetic force absorption.
See also Fig. 2, Fig. 4 and shown in Figure 5, when the user pulls brake haft and passes through braking string when spurring pulling and stopping arm 40 and producing turns, pulling and stopping arm 40 can drive push rod 30 synchronous turns, and the ball 23 of spacing pearl groove at push rod 30 can be along ball base 20 lead terrace 222 rolling slippages, utilize the vertical parallax design of respectively leading terrace 222, can by each ball 23 oppositely pushing and pressing push rods 30 produce the displacement amount that moves towards brake disc 80, allow two brake blocks 60 cramping friction brake disc 80 and generation braking effect relatively; When the user loosens brake haft,, can drive pulling and stopping arm 40 and push rod 30 turns and be returned to initial position by the back stretch of Returnning spring 43.
Extremely shown in Figure 5 as Fig. 3, the utility model is provided with at the front end of push rod 30 and leads position dish 50, lead position dish 50 and be to mate and combine and can produce the effect of homing guidance beat with arc projection 52 and push rod 30 corresponding arc flutings 33, when disk brake caliper and brake disc 80 because make moulding or error or other factors when installing, cause brake block 60 can't with brake disc 80 accurately during keeping parallelism, lead position dish 50 can be adjusted brake block 60 automatically when brake angle, allow brake block 60 comprehensively with brake disc contact friction, produce good skidding effect effectively, and avoid producing the problem that brake block 60 concentrated wears destroy.
Extremely shown in Figure 5 as Fig. 3, the terrace 222 of leading of ball base 20 of the present utility model is to be made as the Different Slope version that near more top slope becomes mild more, when brake, can be by leading the abrupt slope design of terrace 222 leading portions, significantly promote the brake feed speed of disk brake caliper, and by leading the gentle slope design of terrace 222 back segments, can guarantee the rapid operation of disk brake caliper and possess good skidding effect, the terrace 222 of respectively leading of the present utility model takes slope variation from steep to slow to design, the characteristic of the fast and rapid operation safety of brake speed can be provided, can effectively satisfy mainly as mountain-climbing, the car type voluntarily that performance or sports are used, must often carry out the user demand of brake operation rapidly, have practicability.
The above only is a preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in the scope that does not break away from technical solutions of the utility model, can utilize the technology contents of above-mentioned announcement to make a little variation or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (7)
1. a mechanical type disk brake caliper is characterized in that, comprising:
One clamp body, it is provided with a fitting recess, form an opening end and at the two ends of described fitting recess respectively and run through described clamp body and internal diameter bar hole, be provided with a disc embedding mouth that is through to described fitting recess at the middle section position of described clamp body less than described fitting recess;
One ball base, it is set and is positioned described fitting recess and provides a bar hole that aligns mutually with described bar hole in the position, axle center, described ball base radially uniformly-spaced is concaved with the spin slot of three road arcs at the end face towards described fitting recess opening end, sets respectively at each spin slot and is provided with a ball;
One push rod, it is located at described fitting recess and against each ball, described push rod comprises the bar portion that a dish portion and is extended by described dish portion axle center one, described dish portion is arranged with in the end face neutral position towards described fitting recess opening end and forms an arc fluting, be provided with a joining hole in the central position of described arc fluting, described bar portion is that bar hole and the end that passes described ball base and clamp body passes described clamp body and form a clip head;
One pulling and stopping arm, its clip are incorporated into the clip head of described push rod, are provided with a Returnning spring between described pulling and stopping arm and clamp body;
One leads the position dish, its be located at described fitting recess and the end face towards described push rod convex with one with the arc projection of described arc fluting tabling, a described shaft core position of leading position dish has provided a keyhole, and utilizes a Combining bolt to pass described keyhole and be incorporated into the joining hole of described push rod;
One locked cock, it is incorporated into the opening end of described fitting recess with screw thread; And
Two brake blocks are installed in the described fitting recess and are positioned at the position of described disc embedding mouth both sides relatively, and respectively in conjunction with being positioned a described position dish and the locked cock of leading.
2. according to the described mechanical type disk brake caliper of claim 1, it is characterized in that: described Combining bolt and described leading between the dish of position are provided with an elastic component.
3. according to the described mechanical type disk brake caliper of claim 2, it is characterized in that: described elastic component is a resilient pad, and described Combining bolt is incorporated into described joining hole with screw thread.
4. according to the described mechanical type disk brake caliper of claim 3, it is characterized in that: described arc fluting is the ball impression shape.
5. according to claim 1 or 2 or 3 or 4 described mechanical type disk brake calipers, it is characterized in that: the bottom surface of described spin slot be form one skewed in the shape of a spiral and have a terrace of leading that Different Slope changes.
6. according to the described mechanical type disk brake caliper of claim 5, it is characterized in that: steep back slope slow and near more described ball base end face became mild more before the described slope variation of leading terrace was made as.
7. according to the described mechanical type disk brake caliper of claim 6, it is characterized in that: the outside of described Returnning spring is provided with a dirt-proof boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202824408U CN201818678U (en) | 2010-08-05 | 2010-08-05 | Mechanical disc brake caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202824408U CN201818678U (en) | 2010-08-05 | 2010-08-05 | Mechanical disc brake caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201818678U true CN201818678U (en) | 2011-05-04 |
Family
ID=43916634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202824408U Expired - Fee Related CN201818678U (en) | 2010-08-05 | 2010-08-05 | Mechanical disc brake caliper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201818678U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122956A (en) * | 2013-01-22 | 2013-05-29 | 陈政文 | Double-push disc type braking structure |
| EP2865916A4 (en) * | 2012-09-28 | 2015-12-02 | Honda Motor Co Ltd | Brake caliper |
| CN110541897A (en) * | 2019-10-08 | 2019-12-06 | 吉林大学 | commercial vehicle electronic mechanical brake with clamping force retaining function |
-
2010
- 2010-08-05 CN CN2010202824408U patent/CN201818678U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2865916A4 (en) * | 2012-09-28 | 2015-12-02 | Honda Motor Co Ltd | Brake caliper |
| US9440705B2 (en) | 2012-09-28 | 2016-09-13 | Honda Motor Co. Ltd. | Brake caliper |
| CN104704256B (en) * | 2012-09-28 | 2017-05-24 | 本田技研工业株式会社 | Brake caliper |
| CN103122956A (en) * | 2013-01-22 | 2013-05-29 | 陈政文 | Double-push disc type braking structure |
| CN110541897A (en) * | 2019-10-08 | 2019-12-06 | 吉林大学 | commercial vehicle electronic mechanical brake with clamping force retaining function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20150805 |
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| EXPY | Termination of patent right or utility model |