CN202858378U - Sliding rail - Google Patents
Sliding rail Download PDFInfo
- Publication number
- CN202858378U CN202858378U CN 201220403260 CN201220403260U CN202858378U CN 202858378 U CN202858378 U CN 202858378U CN 201220403260 CN201220403260 CN 201220403260 CN 201220403260 U CN201220403260 U CN 201220403260U CN 202858378 U CN202858378 U CN 202858378U
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- track component
- slide track
- slide
- balance bracket
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Abstract
The utility model discloses a sliding rail which comprises a first sliding rail assembly, a second sliding rail assembly, a third sliding rail assembly and a fixing support used for installing, wherein the first sliding rail assembly, the second sliding rail assembly and the third sliding rail assembly are mutually matched in a linear sliding mode, the third sliding rail assembly is shaped like , the horizontal end face and the vertical face of the third sliding rail assembly are transited through an internal arc face, the second sliding rail assembly is G-shaped, the top face and two vertical side faces of the second sliding rail assembly are transited through an internal arc face, the lower end of one vertical side face of the second sliding rail assembly is the arc-shaped bending portion towards the middle, the lower end of the other vertical side face extends to the middle in a vertical mode to form a horizontal bottom face, a second balancing support is arranged on the inner side of the second sliding rail assembly, and the second balancing support is sleeved on the third sliding rail assembly. The sliding rail guides accurately, is simple and reasonable in structure, stable and smooth in sliding, strong in bearing capacity, low in work noise, long in service life, and suitable for different occasions, and meets actual needs of users.
Description
Technical field
The utility model relates to the slide rail technical field, refers in particular to a kind of slide rail that can form multiple joint number combination by basic components.
Background technology
At present, the slide rail that often uses mainly contains two joint slide rails and three joint slide rails, is installed in the products such as family's kitchen cabinet, furniture, desk and drawer type household electrical appliances.Two joint slide rail products wherein can't make drawer integral body all be drawn out, and have obvious weak point, and three joint slide rails can address this problem effectively, whole drawer integral body can be pulled out, and therefore are subject to using more and more widely.Particularly in the furniture and electric equipment products of top grade, use more three joint slide rails, to make things convenient for depositing of article.
Three joint rail structures mainly comprise rail, middle rail and lower rail (also being called interior rail, middle rail and outer rail), adopt sliding friction or ball rolling friction connected mode between the contacted slide rail.A kind of three joint railroads of concrete automatic returning reset function are disclosed on October 24th, 2007 such as Chinese patent literature CN2009062988, comprise support, lower rail, middle rail, upper rail, described lower rail are fixedly connected with support, rail during described lower rail lower rail roller in having presss from both sides and connects, described middle rail connects upper rail via upper rail roller folder, described upper rail roller folder cross section is " H " type, and its level, left and right sidewall respectively cloth are evenly equipped with many each rollers.And for example Chinese patent literature CN21991281A disclosed dress formula slide rail of a kind of end on March 30th, 2011, comprise one first rail and the point-blank slippage of relative the first rail of one second rail, the first rail has one first wall perpendicular to a reference level surface, and comprise first and second installation portion and be arranged at this first wall, the vertical range of the first installation portion to the vertical range of level and the second installation portion to horizontal plane is different.The upper rail of the slide rail of introducing in above-mentioned two structures all is channel steel type, and end face is level, and both sides are vertical plane, and when installing and using, the face of its support ability only has upper tread face, middle tread face, and upper trackside face and middle trackside face then do not play any supporting role.It is little to go up in addition the area that rail encircles, easy double swerve when making the slippage of slide rail straight line.
In addition, because the structural limitations of existing slide rail, two joint slide rails or three joint slide rail extension spans are limited, if in the occasion of the larger slip span of needs, just two joint slide rails or three joint slide rails can't satisfy user's needs, exist certain limitation.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art and a kind of slide rail is provided, this slide rail guiding accurately, knot ditch advantages of simple, slip steady and smooth, ability to bear is strong, operating noise is low, the slide rail of long service life, can form as required multiple various combination, form the rail structure of multiple slip span, applicable to different occasions, thereby satisfy user's actual needs.
For achieving the above object, the utility model adopts following technical scheme:
A kind of slide rail, it comprises the first slide track component that mutual linear slide cooperates, the second slide track component and the 3rd slide track component, and the fixed support in order to install, described the first slide track component can be connected on the second slide track component by one first balance bracket, described fixed support can be fixedly connected on the first slide track component, the second slide track component or the 3rd slide track component two ends, L-shaped or the linear of fixed support, this fixed support one end is provided with screw, described the 3rd slide track component is the Contraband font, pass through the intrados transition between the horizontal end face of the 3rd slide track component and vertical plane, described the second slide track component is the G font, the second slide track component end face passes through the intrados transition with two vertical side respectively, a wherein vertical side lower end of this second slide track component is arc-shaped bend section to the centre, a horizontal bottom is extended to intermediate vertical in another vertical side lower end, the second slide track component inboard is provided with the second balance bracket, the second balance bracket two ends are provided with balance weight, the position of the corresponding balance weight of this second balance bracket is provided with a plurality of balls, roller and roller are established in the balance weight bottom surface, the second balance bracket is set on the 3rd slide track component, each ball can be automatically connected between the intrados of the second slide track component bend and the 3rd slide track component, roller can be automatically connected between the vertical side and the 3rd slide track component vertical plane of the second slide track component tool horizontal bottom, can be dynamically connected the second slide track component horizontal bottom and between the 3rd slide track component respective horizontal end face of roller.
Described the first slide track component is the channel steel type structure, the first slide track component one end upper surface forms recessed rear screens, wherein also form a recessed front screens in a side at this first slide track component, form the sliding area of the first slide track component between rear screens and front screens, the first slide track component two sides end all forms bead structure, this two bead structure forms interior inclined-plane to the inside, and the interior inclined-plane on both sides is symmetrical.
Lower end, described the first balance bracket both sides forms a plurality of pearls position, correspondence rollably is arranged with ball on each pearl position, each ball rolls between the intrados of the bead structure of the first slide track component of being connected to a corresponding side and the second slide track component, the interior inclined-plane of the outer surface of each ball and corresponding bead structure and the inner surface of the second assembly intrados are tangent, the first balance bracket end face is provided with a plurality of rollers, the outer surface of the outer surface of each roller and the first slide track component upper end inner surface and the second slide track component end face is tangent, relatively extends to form the tong-like buffer part at the two ends of the first balance bracket end face.
Described the second slide track component upper surface front end is formed with the first limited block on one side, upwards cis-position is formed with the second limited block, the 3rd limited block and the 4th limited block in relative the first limited block corner on one side, and the angle of this second slide track component upper surface and its intrados is the cylindrical arc angle.
The outer surface of the inner surface of the bend of the outer surface of described second each ball of balance bracket and the second slide track component, the 3rd slide track component intrados is tangent, the roller of this second balance bracket is separately positioned on the both sides, front and back of roller, wherein, the vertical side inner surface of the outer surface of roller and the second slide track component tool horizontal bottom, the inner surface of the 3rd slide track component vertical plane, the inner surface of each roller and the second slide track component horizontal bottom inner surface, the 3rd slide track component respective horizontal end face is tangent.
Two balance weight end faces of described the second balance bracket are provided with a plurality of rollers, the outer surface of the end face inner surface of the outer surface of each roller and the second slide track component, the 3rd slide track component respective horizontal end face is tangent, be formed with the inverted V-shaped buffer part at balance weight one end, the inverted V-shaped buffer part of this two balance weight is oppositely arranged.
The position that described the second balance bracket arranges balance weight is formed with grab, the grab at the second balance bracket two ends is oppositely arranged, between two grabs, also be formed with T shape slot, the corresponding grab of each balance weight position is formed with interior hole clipping, respectively the corresponding T shape of this balance weight end face one end slot position forms T shape Plug Division, each balance weight is connected on the grab and T shape slot of the second balance bracket by interior hole clipping and T shape Plug Division correspondence, Yi Bian T shape slot wherein also is formed with projection relatively.
When described slide rail is three joint slide rails, this slide rail cooperates the first balance bracket and the stack of the second balance bracket to form linear slide mechanism by the first slide track component, the second slide track component and the 3rd slide track component, fixed support can be connected on the 3rd slide track component by welding or riveting method, or the up and down two horizontal end faces that only cooperate the second balance bracket to be arranged on the 3rd slide track component by the second slide track component form linear slide mechanism, and fixed support can be connected to wherein on one second slide track component by welding or riveting method.
When described slide rail is four joint slide rails, this slide rail cooperates the second balance bracket to be arranged on the up and down two horizontal end faces of the 3rd slide track component by the second slide track component, and cooperate therein stack the first slide track component on one second slide track component of the first balance bracket, form linear slide mechanism, fixed support can be connected on another second slide track component by welding or riveting method.
When described slide rail is five joint slide rails, this slide rail cooperates the second balance bracket to be arranged on the up and down two horizontal end faces of the 3rd slide track component by the second slide track component, and cooperate the first balance bracket respectively at two second slide track components stack the first slide track component, form linear slide mechanism, fixed support can be connected to wherein on one first slide track component by welding or riveting method.
The beneficial effects of the utility model are: the intrados of its bead structure by the first slide track component and the second slide track component forms the slideway of ball on the first balance bracket, bend by the second slide track component and the intrados of the 3rd assembly form the slideway of ball on the second balance bracket, cooperate the roller on the first balance bracket and the second balance bracket, roller, so that sliding track mechanism is more stable, guaranteed the slide rail guiding accurately, the slip steady and smooth, buffer part on the first balance bracket and the second balance bracket, reduced the operating noise of slide rail, improved the service life of slide rail, in addition, cooperatively interact by each slide track component and each balance bracket, also can form three joints, four joints, five joints wait the multiple combination mode, being applicable to different occasions, thereby satisfy user's actual needs.
Description of drawings
Fig. 1 is structure cross-sectional schematic of the present utility model;
Fig. 2 is the perspective view of Fig. 1;
Fig. 3 is the structure chart of the utility model the first balance bracket;
Fig. 4 is the explosive view of the utility model the second balanced component;
Fig. 5 is the partial enlarged drawing at A place among Fig. 4;
Fig. 6 is the structure chart of the utility model balance weight;
Fig. 7 is another structural representation of the utility model three joint slide rails;
Fig. 8 is the structural representation of the utility model four joint slide rails;
Fig. 9 is the structural representation of the utility model five joint slide rails;
Figure 10 is the structure cross-sectional schematic of the utility model fixed support linear state;
Figure 11 is the first slide track component structure chart of the present utility model;
Figure 12 is the second slide track component structure chart of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description:
Shown in Fig. 1-12, the utility model is about a kind of slide rail, it comprises the first slide track component 1 that mutual linear slide cooperates, the second slide track component 2 and the 3rd slide track component 3, and the fixed support 4 in order to install, the first slide track component 1 can be connected on the second slide track component 2 by one first balance bracket 5, fixed support 4 can be fixedly connected on the first slide track component 1, the second slide track component 2 or the 3rd slide track component 3 two ends, fixed support 4 L-shaped or linears, these fixed support 4 one ends are provided with screw 41, the 3rd slide track component 3 is the Contraband font, pass through the intrados transition between the horizontal end face of the 3rd slide track component 3 and vertical plane, the second slide track component 2 is the G font, the second slide track component 2 end faces pass through the intrados transition with two vertical side respectively, a wherein vertical side lower end of this second slide track component 2 is arc-shaped bend section 21 to the centre, a horizontal bottom 22 is extended to intermediate vertical in another vertical side lower end, the second slide track component 2 inboards are provided with the second balance bracket 6, the second balance bracket 6 two ends are provided with balance weight 61, the position of these the second balance bracket 6 corresponding balance weights 61 is provided with a plurality of balls 7, roller 8 and roller 9 are established in balance weight 61 bottom surfaces, the second balance bracket 6 is set on the 3rd slide track component 3, each ball 7 can be automatically connected between the intrados of the second slide track component 2 bends 21 and the 3rd slide track component 3, roller 8 can be automatically connected between the vertical side and the 3rd slide track component 3 vertical planes of the second slide track component 2 tool horizontal bottom 22, can be dynamically connected the second slide track component 2 horizontal bottom 22 and between the 3rd slide track component 3 respective horizontal end faces of roller 9.
Further, shown in Fig. 1,2,8,9-11, the first slide track component 1 is the channel steel type structure, the first slide track component 1 one end upper surfaces form recessed rear screens 11, wherein also form a recessed front screens 12 in a side at this first slide track component 1,12 sliding areas that form the first slide track component 1 of rear screens 11 and front screens, the first slide track component 1 two sides end all forms bead structure 13, this two bead structure 13 forms interior inclined-plane to the inside, and the interior inclined-plane on both sides is symmetrical.
Further, as shown in Figure 3, lower end, the first balance bracket 5 both sides forms a plurality of pearls position 51, correspondence rollably is arranged with ball 7 on each pearl position 51, each ball 7 rolls between the intrados of the bead structure 13 of the first slide track component 1 of being connected to a corresponding side and the second slide track component 2, the interior inclined-plane of the outer surface of each ball 7 and corresponding bead structure 13 and the inner surface of the second assembly intrados are tangent, the first balance bracket 5 end faces are provided with a plurality of rollers 9, the outer surface of the outer surface of each roller 9 and the first slide track component 1 upper end inner surface and the second slide track component 2 end faces is tangent, relatively extends to form tong-like buffer part 52 at the two ends of the first balance bracket 5 end faces.
Further, shown in Fig. 1,7-9,12, the second slide track component 2 upper surface front ends are formed with the first limited block 23 on one side, upwards cis-position is formed with the second limited block 24, the 3rd limited block 25 and the 4th limited block 26 in relative the first limited block 23 corner on one side, and the angle of these the second slide track component 2 upper surfaces and its intrados is the cylindrical arc angle.
Further, as shown in Figure 4, the outer surface of the inner surface of the outer surface of the second balance bracket 6 each ball 7 and the bend 21 of the second slide track component 2, the 3rd slide track component 3 intrados is tangent, the roller 9 of this second balance bracket 6 is separately positioned on the both sides, front and back of roller 8, wherein, the vertical side inner surface of the outer surface of roller 8 and the second slide track component 2 tool horizontal bottom 22, the inner surface of the 3rd slide track component 3 vertical planes, the inner surface of each roller 9 and the second slide track component 2 horizontal bottom 22 inner surfaces, the 3rd slide track component 3 respective horizontal end faces is tangent.
Further, as shown in Figure 4, two balance weights, 61 end faces of the second balance bracket 6 are provided with a plurality of rollers 9, the outer surface of the end face inner surface of the outer surface of each roller 9 and the second slide track component 2, the 3rd slide track component 3 respective horizontal end faces is tangent, be formed with inverted V-shaped buffer part 611 at balance weight 61 1 ends, the inverted V-shaped buffer part 611 of this two balance weight 61 is oppositely arranged.
Further, shown in Fig. 4-6, the position that the second balance bracket 6 arranges balance weight 61 is formed with grab 62, the grab 62 at the second balance bracket 6 two ends is oppositely arranged, between two grabs 62, also be formed with T shape slot 63, each balance weight 61 corresponding grabs 62 position is formed with interior hole clipping 612, respectively the corresponding T shape of this balance weight 61 end faces one end slot 63 positions form T shape Plug Division 613, each balance weight 61 is connected on the grab 62 and T shape slot 63 of the second balance bracket 6 by interior hole clipping 612 and T shape Plug Division 613 correspondences, Yi Bian T shape slot 63 wherein also is formed with projection 64 relatively.
When slide rail is three joint slide rails, this slide rail cooperates the first balance bracket 5 and 6 stacks of the second balance bracket to form linear slide mechanism by the first slide track component 1, the second slide track component 2 and the 3rd slide track component 3, fixed support 4 can be connected on the 3rd slide track component 3, as shown in Figure 1 by welding or riveting method.
Or, this slide rail only forms linear slide mechanism by the up and down two horizontal end faces that the second slide track component 2 cooperates the second balance bracket 6 to be arranged on the 3rd slide track component 3, fixed support 4 can be connected to wherein on one second slide track component 2, as shown in Figure 7 by welding or riveting method.
When slide rail is four joint slide rails, this slide rail cooperates the second balance bracket 6 to be arranged on the up and down two horizontal end faces of the 3rd slide track component 3 by the second slide track component 2, and cooperate therein stack the first slide track component 1 on one second slide track component 2 of the first balance bracket 5, form linear slide mechanism, fixed support 4 can be connected on another second slide track component 2, as shown in Figure 8 by welding or riveting method.
When slide rail is five joint slide rails, this slide rail cooperates the second balance bracket 6 to be arranged on the up and down two horizontal end faces of the 3rd slide track component 3 by the second slide track component 2, and cooperate the first balance bracket 5 respectively at two second slide track components, 2 stacks the first slide track component 1, form linear slide mechanism, fixed support 4 can be connected to wherein on one first slide track component 1, as shown in Figure 9 by welding or riveting method.
The above only is to preferred embodiment of the present utility model; be not that scope of the present utility model is limited; so under the prerequisite that does not break away from the utility model design spirit; the equivalence that the common engineers and technicians in this area do structure described in the utility model, feature and principle changes or decorates, and all should fall in the protection domain that the utility model applies for a patent.
Claims (10)
1. slide rail, it comprises the first slide track component that mutual linear slide cooperates, the second slide track component and the 3rd slide track component, and the fixed support in order to install, described the first slide track component can be connected on the second slide track component by one first balance bracket, described fixed support can be fixedly connected on the first slide track component, the second slide track component or the 3rd slide track component two ends, L-shaped or the linear of fixed support, this fixed support one end is provided with screw, it is characterized in that: described the 3rd slide track component is the Contraband font, pass through the intrados transition between the horizontal end face of the 3rd slide track component and vertical plane, described the second slide track component is the G font, the second slide track component end face passes through the intrados transition with two vertical side respectively, a wherein vertical side lower end of this second slide track component is arc-shaped bend section to the centre, a horizontal bottom is extended to intermediate vertical in another vertical side lower end, the second slide track component inboard is provided with the second balance bracket, the second balance bracket two ends are provided with balance weight, the position of the corresponding balance weight of this second balance bracket is provided with a plurality of balls, roller and roller are established in the balance weight bottom surface, the second balance bracket is set on the 3rd slide track component, each ball can be automatically connected between the intrados of the second slide track component bend and the 3rd slide track component, roller can be automatically connected between the vertical side and the 3rd slide track component vertical plane of the second slide track component tool horizontal bottom, can be dynamically connected the second slide track component horizontal bottom and between the 3rd slide track component respective horizontal end face of roller.
2. slide rail according to claim 1, it is characterized in that: described the first slide track component is the channel steel type structure, the first slide track component one end upper surface forms recessed rear screens, wherein also form a recessed front screens in a side at this first slide track component, form the sliding area of the first slide track component between rear screens and front screens, the first slide track component two sides end all forms bead structure, and this two bead structure forms interior inclined-plane to the inside, and the interior inclined-plane on both sides is symmetrical.
3. slide rail according to claim 2, it is characterized in that: lower end, described the first balance bracket both sides forms a plurality of pearls position, correspondence rollably is arranged with ball on each pearl position, each ball rolls between the intrados of the bead structure of the first slide track component of being connected to a corresponding side and the second slide track component, the interior inclined-plane of the outer surface of each ball and corresponding bead structure and the inner surface of the second assembly intrados are tangent, the first balance bracket end face is provided with a plurality of rollers, the outer surface of the outer surface of each roller and the first slide track component upper end inner surface and the second slide track component end face is tangent, relatively extends to form the tong-like buffer part at the two ends of the first balance bracket end face.
4. slide rail according to claim 1, it is characterized in that: on one side described the second slide track component upper surface front end is formed with the first limited block, upwards cis-position is formed with the second limited block, the 3rd limited block and the 4th limited block in relative the first limited block corner on one side, and the angle of this second slide track component upper surface and its intrados is the cylindrical arc angle.
5. slide rail according to claim 1, it is characterized in that: the inner surface of the bend of the outer surface of described second each ball of balance bracket and the second slide track component, the outer surface of the 3rd slide track component intrados are tangent, the roller of this second balance bracket is separately positioned on the both sides, front and back of roller, wherein, the vertical side inner surface of the outer surface of roller and the second slide track component tool horizontal bottom, the inner surface of the 3rd slide track component vertical plane, the inner surface of each roller and the second slide track component horizontal bottom inner surface, the 3rd slide track component respective horizontal end face is tangent.
6. slide rail according to claim 5, it is characterized in that: two balance weight end faces of described the second balance bracket are provided with a plurality of rollers, the outer surface of the end face inner surface of the outer surface of each roller and the second slide track component, the 3rd slide track component respective horizontal end face is tangent, be formed with the inverted V-shaped buffer part at balance weight one end, the inverted V-shaped buffer part of this two balance weight is oppositely arranged.
7. slide rail according to claim 1, it is characterized in that: the position that described the second balance bracket arranges balance weight is formed with grab, the grab at the second balance bracket two ends is oppositely arranged, between two grabs, also be formed with T shape slot, the corresponding grab of each balance weight position is formed with interior hole clipping, respectively the corresponding T shape of this balance weight end face one end slot position forms T shape Plug Division, each balance weight is connected on the grab and T shape slot of the second balance bracket by interior hole clipping and T shape Plug Division correspondence, Yi Bian T shape slot wherein also is formed with projection relatively.
8. each described slide rail according to claim 1-7, it is characterized in that: when described slide rail is three joint slide rails, this slide rail is by the first slide track component, the second slide track component and the 3rd slide track component cooperate the first balance bracket and the stack of the second balance bracket to form linear slide mechanism, fixed support can be connected on the 3rd slide track component by welding or riveting method, or the up and down two horizontal end faces that only cooperate the second balance bracket to be arranged on the 3rd slide track component by the second slide track component form linear slide mechanism, and fixed support can be connected to wherein on one second slide track component by welding or riveting method.
9. each described slide rail according to claim 1-7, it is characterized in that: when described slide rail is four joint slide rails, this slide rail cooperates the second balance bracket to be arranged on the up and down two horizontal end faces of the 3rd slide track component by the second slide track component, and cooperate therein stack the first slide track component on one second slide track component of the first balance bracket, form linear slide mechanism, fixed support can be connected on another second slide track component by welding or riveting method.
10. each described slide rail according to claim 1-7, it is characterized in that: when described slide rail is five joint slide rails, this slide rail cooperates the second balance bracket to be arranged on the up and down two horizontal end faces of the 3rd slide track component by the second slide track component, and cooperate the first balance bracket respectively at two second slide track components stack the first slide track component, form linear slide mechanism, fixed support can be connected to wherein on one first slide track component by welding or riveting method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403260 CN202858378U (en) | 2012-08-15 | 2012-08-15 | Sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403260 CN202858378U (en) | 2012-08-15 | 2012-08-15 | Sliding rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202858378U true CN202858378U (en) | 2013-04-10 |
Family
ID=48025147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403260 Expired - Fee Related CN202858378U (en) | 2012-08-15 | 2012-08-15 | Sliding rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202858378U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459105A (en) * | 2016-01-14 | 2016-04-06 | 苏州神运机器人有限公司 | Seven-axis five-power robot applying parallelogram principle |
| CN105615346A (en) * | 2014-10-30 | 2016-06-01 | 陈永康 | Deformation-preventing drawer |
| CN114700840A (en) * | 2022-03-03 | 2022-07-05 | 台州威德隆机械有限公司 | Rocker arm arc grinding equipment and production process thereof |
-
2012
- 2012-08-15 CN CN 201220403260 patent/CN202858378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105615346A (en) * | 2014-10-30 | 2016-06-01 | 陈永康 | Deformation-preventing drawer |
| CN105459105A (en) * | 2016-01-14 | 2016-04-06 | 苏州神运机器人有限公司 | Seven-axis five-power robot applying parallelogram principle |
| CN114700840A (en) * | 2022-03-03 | 2022-07-05 | 台州威德隆机械有限公司 | Rocker arm arc grinding equipment and production process thereof |
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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: 20130410 Termination date: 20160815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |