CN203019994U - Amphibious vehicle wheel hydraulic spring folding and unfolding device - Google Patents
Amphibious vehicle wheel hydraulic spring folding and unfolding device Download PDFInfo
- Publication number
- CN203019994U CN203019994U CN 201320019423 CN201320019423U CN203019994U CN 203019994 U CN203019994 U CN 203019994U CN 201320019423 CN201320019423 CN 201320019423 CN 201320019423 U CN201320019423 U CN 201320019423U CN 203019994 U CN203019994 U CN 203019994U
- Authority
- CN
- China
- Prior art keywords
- bearing pin
- pin
- wheel
- lower cross
- connecting arm
- 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 - Lifetime
Links
Images
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a vehicle wheel folding and unfolding device and particularly relates to an amphibious vehicle wheel hydraulic spring folding and unfolding device. The device is an independent suspension with double cross arms and comprises a wheel assembly (1), a pin shaft I (2), a wheel connecting arm (3), a pin shaft II (4), an upper cross arm (5), a shock absorber (6), a pull rod assembly (7), a pin shaft III (8), a frame (9), a pin shaft IV (10), a pin shaft V (11), a hydraulic oil cylinder (12), a crank (13), a pin shaft VI (14), a pin shaft VII (15), a pin shaft VIII (16), a differential mechanism assembly (17), an inner universal transmission assembly (18), a driving shaft (19), a lower cross arm (20), a pin shaft IX (21) and an outer universal transmission assembly (22). Compared with the prior art, the device is large in gap between a vehicle bottom and the ground, simple in structure, sensitive in response, free of influence to the streamline shape of a vehicle bottom shell and suitable for the amphibious vehicle wheel.
Description
Technical field
The utility model relates to a kind of wheel of vehicle draw off gear, is specifically related to a kind of amphibious vehicle wheel hydraulic spring grease cup folding and retraction device.
Background technology
Amphibious vehicle wheel hydraulic pressure draw off gear UK 2425511 and US 6945832 that oneself has are to use hydraulic actuating cylinder to make the power of damping and wheel folding and unfolding, and its damping effect is undesirable, and oil cylinder is hit greatly, and is easy to wear; During road condition, the chassis ground Clearance is little, and when travelling on the road, crossing ability is not good, and during waterborne travelling, to pack up stroke inadequate for wheel, affects its moving velocity on the water, can not swerve, and destroy the stream line pattern of the vehicle water surface, affects the shortcomings such as high speed performance of vehicle.
The utility model content
The purpose of this utility model is to overcome the deficiency that oneself has technology, provides a kind of good damping effect, chassis ground Clearance large, simple in structure, is quick on the draw, and does not destroy car drain pan fleetline hydraulic spring grease cup folding and retraction device.
a kind of amphibious vehicle wheel hydraulic spring grease cup folding and retraction device, comprise wheel set, outer Universal drive assembly is connected with axle drive shaft, axle drive shaft is connected with differential assembly by interior Universal drive assembly, the crank upper end is hinged by bearing pin IV and vehicle frame, and the rod assembly upper end is connected by the bearing pin III with the crank lower end, and Top Crossbeam the inner is connected with crank by the bearing pin VII, the hydraulic ram lower end is connected by the bearing pin VI with crank, and hydraulic ram upper end and car body are hinged by the bearing pin V, crank, rod assembly, hydraulic ram, Top Crossbeam are around the relative frame movement of bearing pin IV, the Top Crossbeam outer end is connected by the bearing pin II with wheel connecting arm upper end, the rod assembly lower end is connected by the bearing pin IX with lower cross arm, lower cross arm is inner hinged by the bearing pin VIII with vehicle frame, the lower cross arm outer end is connected by the bearing pin I with the wheel connecting arm, and rod assembly, wheel connecting arm, Top Crossbeam, lower cross arm are around the relative frame movement of bearing pin VIII, damping system is set on rod assembly by shock absorber and forms, in steering swivel system, the form that wheel connecting arm and steering ball end are embedded with swivel coupling is connected with jump ring by steering column jacket, turn to supporting pin and wheel connecting arm hinged, turn to supporting pin axially to rotate at the wheel connecting arm around it, the steering suspension pin can rotate on it is axial, lower cross arm is to be connected by king pin by the steering suspension pin with the wheel connecting arm, by steering suspension pin and king pin, wheel flutter can be around lower cross arm up and down and left rotation and right rotation motion, turn to supporting pin to be connected by the bearing pin X with spindle arm.
The angle of the line of the line of described bearing pin III and bearing pin IX and bearing pin IV and bearing pin IX is at 0 °-45 °.
Described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive.
The number of described Top Crossbeam is 1-2.
The number of described lower cross arm is 1-2.
a kind of amphibious vehicle, comprise wheel, it is characterized in that: the wheel hydraulic spring grease cup folding and retraction device that described wheel adopts, comprise wheel set, outer Universal drive assembly is connected with axle drive shaft, axle drive shaft is connected with differential assembly by interior Universal drive assembly, it is characterized in that: the crank upper end is hinged by bearing pin IV and vehicle frame, the rod assembly upper end is connected by the bearing pin III with the crank lower end, Top Crossbeam the inner is connected with crank by the bearing pin VII, the hydraulic ram lower end is connected by the bearing pin VI with crank, and hydraulic ram upper end and car body are hinged by the bearing pin V, crank, rod assembly, hydraulic ram, Top Crossbeam are around the relative frame movement of bearing pin IV, the Top Crossbeam outer end is connected by the bearing pin II with wheel connecting arm upper end, the rod assembly lower end is connected by the bearing pin IX with lower cross arm, lower cross arm is inner hinged by the bearing pin VIII with vehicle frame, the lower cross arm outer end is connected by the bearing pin I with the wheel connecting arm, and rod assembly, wheel connecting arm, Top Crossbeam, lower cross arm are around the relative frame movement of bearing pin VIII, damping system is set on rod assembly by shock absorber and forms, in steering swivel system, the form that wheel connecting arm and steering ball end are embedded with swivel coupling is connected with jump ring by steering column jacket, turn to supporting pin and wheel connecting arm hinged, turn to supporting pin axially to rotate at the wheel connecting arm around it, the steering suspension pin can rotate on it is axial, lower cross arm is to be connected by king pin by the steering suspension pin with the wheel connecting arm, by steering suspension pin and king pin, wheel flutter can be around lower cross arm up and down and left rotation and right rotation motion, turn to supporting pin to be connected by the bearing pin X with spindle arm, the angle of the line of the line of bearing pin III and bearing pin IX and bearing pin IV and bearing pin IX is at 0 °-45 °, described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive, the number of described Top Crossbeam is 1-2, the number of described lower cross arm is 1-2.
Description of drawings
Fig. 1 is the adjustment view that drive wheel is in road condition.
Fig. 2 is the front elevation that drive wheel is in road condition.
Fig. 3 is the back view that driven wheel flutter is in road condition.
Fig. 4 is the front elevation that drive wheel is in surface condition.
Fig. 5 is the back view that driven wheel flutter is in surface condition.
Fig. 6 be the B of Fig. 3 to view,
Fig. 7 is Fig. 3 A-A cutaway view,
Fig. 8 is the stressed schematic diagram of spring damping shock mitigation system and crank.
label title in above-mentioned figure: 1. wheel set, 2. bearing pin I, 3. wheel connecting arm, 4. bearing pin II, 5. Top Crossbeam, 6. shock absorber, 7. rod assembly, 8. bearing pin III, 9. vehicle frame, 10. bearing pin IV, 11. bearing pin V, 12. hydraulic ram, 13. crank, 14. bearing pin VI, 15. bearing pin VII, 16. bearing pin VIII, 17. differential assembly, 18. interior Universal drive assembly, 19. axle drive shaft, 20. lower cross arm, 21. bearing pin IX, 22. outer Universal drive assembly, 23. bearing pin X, 24. turn to supporting pin, 25. steering ball headgear, 26. spindle arm, 27. steering column jacket, 28. jump ring, 29. king pin, 30. steering suspension pin.
The specific embodiment
as Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, shown in Figure 8, , a kind of amphibious vehicle wheel hydraulic spring grease cup folding and retraction device, comprise wheel set 1, outer Universal drive assembly 22 is connected with axle drive shaft 19, axle drive shaft 19 is connected with differential assembly 17 by interior Universal drive assembly 18, crank 13 upper ends are hinged by bearing pin IV 10 and vehicle frame 9, rod assembly 7 upper ends are connected by bearing pin III 8 with crank 13 lower ends, Top Crossbeam 5 the inners are connected with crank 13 by bearing pin VII 15, hydraulic ram 12 lower ends are connected by bearing pin VI 14 with crank 13, hydraulic ram 12 upper ends and car body are hinged by bearing pin V 11, crank 13, rod assembly 7, hydraulic ram 12, Top Crossbeam 5 are around relative vehicle frame 9 motions of bearing pin IV 10, Top Crossbeam 5 outer ends are connected by bearing pin II 4 with wheel connecting arm 3 upper ends, rod assembly 7 lower ends are connected by bearing pin IX 21 with lower cross arm 20, lower cross arm 20 is inner hinged by bearing pin VIII 16 with vehicle frame 9, lower cross arm 20 outer ends are connected by bearing pin I 2 with wheel connecting arm 3, and rod assembly 7, wheel connecting arm 3, Top Crossbeam 5, lower cross arm 20 are around relative vehicle frame 9 motions of bearing pin VIII 16, damping system is set on rod assembly 7 by shock absorber 6 and forms, in steering swivel system, wheel connecting arm 3 is connected with the form of steering ball headgear 25 with swivel coupling with jump ring 28 by steering column jacket 27, turn to supporting pin 24 and wheel connecting arm 3 hinged, turn to supporting pin 24 axially to rotate at wheel connecting arm 3 around it, steering suspension pin 30 can rotate on it is axial, lower cross arm 20 is to be connected by king pin 29 by steering suspension pin 30 with wheel connecting arm 3, by steering suspension pin 30 and king pin 29, wheel flutter can be around lower cross arm Shang Xia 20 and the left rotation and right rotation motion, turn to supporting pin 24 to be connected by bearing pin X 23 with spindle arm 26.
The angle of the line of described bearing pin III 8 and bearing pin IX 21 and the line of bearing pin IV 10 and bearing pin IX 21 is at 0 °-45 °.
Described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive.
The number of described Top Crossbeam 5 is 1-2.
The number of described lower cross arm 20 is 1-2.
a kind of amphibious vehicle, comprise wheel, the wheel hydraulic spring grease cup folding and retraction device that described wheel adopts, comprise wheel set 1, outer Universal drive assembly 22 is connected with axle drive shaft 19, axle drive shaft 19 is connected with differential assembly 17 by interior Universal drive assembly 18, crank 13 upper ends are hinged by bearing pin IV 10 and vehicle frame 9, rod assembly 7 upper ends are connected by bearing pin III 8 with crank 13 lower ends, Top Crossbeam 5 the inners are connected with crank 13 by bearing pin VII 15, hydraulic ram 12 lower ends are connected by bearing pin VI 14 with crank 13, and hydraulic ram 12 upper ends and car body are hinged by bearing pin V 11, crank 13, rod assembly 7, hydraulic ram 12, Top Crossbeam 5 are around relative vehicle frame 9 motions of bearing pin IV 10, Top Crossbeam 5 outer ends are connected by bearing pin II 4 with wheel connecting arm 3 upper ends, rod assembly 7 lower ends are connected by bearing pin IX 21 with lower cross arm 20, lower cross arm 20 is inner hinged by bearing pin VIII 16 with vehicle frame 9, lower cross arm 20 outer ends are connected by bearing pin I 2 with wheel connecting arm 3, and rod assembly 7, wheel connecting arm 3, Top Crossbeam 5, lower cross arm 20 are around relative vehicle frame 9 motions of bearing pin VIII 16, damping system is set on rod assembly 7 by shock absorber 6 and forms, in steering swivel system, wheel connecting arm 3 is connected with the form of steering ball headgear 25 with swivel coupling with jump ring 28 by steering column jacket 27, turn to supporting pin 24 and wheel connecting arm 3 hinged, turn to supporting pin 24 axially to rotate at wheel connecting arm 3 around it, steering suspension pin 30 can rotate on it is axial, lower cross arm 20 is to be connected by king pin 29 by steering suspension pin 30 with wheel connecting arm 3, by steering suspension pin 30 and king pin 29, wheel flutter can be around lower cross arm Shang Xia 20 and the left rotation and right rotation motion, turn to supporting pin 24 to be connected by bearing pin X 23 with spindle arm 26, the angle of the line of the line of bearing pin III 8 and bearing pin IX 21 and bearing pin IV 10 and bearing pin IX 21 is at 0 °-45 °, described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive, the number of described Top Crossbeam 5 is 1-2, the number of described lower cross arm 20 is 1-2.
It should be noted that, above-described embodiment is to the explanation of technical solutions of the utility model and unrestricted, being equal to of person of an ordinary skill in the technical field replace or make according to prior art other revise as long as no the thinking that exceeds technical solutions of the utility model and scope, within all should being included in the desired right of the utility model and scope.
Claims (6)
1. amphibious vehicle wheel hydraulic spring grease cup folding and retraction device, comprise wheel set (1), outer Universal drive assembly (22) is connected with axle drive shaft (19), axle drive shaft (19) is connected with differential assembly (17) by interior Universal drive assembly (18), it is characterized in that: crank (13) upper end is hinged by bearing pin IV (10) and vehicle frame (9), rod assembly (7) upper end is connected by bearing pin III (8) with crank (13) lower end, Top Crossbeam (5) is inner to be connected with crank (13) by bearing pin VII (15), hydraulic ram (12) lower end is connected by bearing pin VI (14) with crank (13), hydraulic ram (12) upper end and car body are hinged by bearing pin V (11), crank (13), rod assembly (7), hydraulic ram (12), Top Crossbeam (5) are around bearing pin IV (10) vehicle frame (9) motion relatively, Top Crossbeam (5) outer end is connected by bearing pin II (4) with wheel connecting arm (3) upper end, rod assembly (7) lower end is connected by bearing pin IX (21) with lower cross arm (20), lower cross arm (20) is inner hinged by bearing pin VIII (16) with vehicle frame (9), lower cross arm (20) outer end is connected by bearing pin I (2) with wheel connecting arm (3), and rod assembly (7), wheel connecting arm (3), Top Crossbeam (5), lower cross arm (20) are around bearing pin VIII (16) vehicle frame (9) motion relatively, damping system is set on rod assembly (7) by shock absorber (6) and forms, in steering swivel system, wheel connecting arm (3) is connected with the form of steering ball headgear (25) with swivel coupling with jump ring (28) by steering column jacket (27), turn to supporting pin (24) and wheel connecting arm (3) hinged, turn to supporting pin (24) axially to rotate at wheel connecting arm (3) around it, steering suspension pin (30) can rotate on it is axial, lower cross arm (20) is to be connected by king pin (29) by steering suspension pin (30) with wheel connecting arm (3), by steering suspension pin (30) and king pin (29), wheel flutter can be around lower cross arm (20) up and down and left rotation and right rotation motion, turn to supporting pin (24) to be connected by bearing pin X (23) with spindle arm (26).
2. described amphibious vehicle wheel hydraulic spring grease cup folding and retraction device according to claim 1 is characterized in that: the angle of the line of bearing pin III (8) and bearing pin IX (21) and bearing pin IV (10) and the line of bearing pin IX (21) is at 0 °-45 °.
3. described amphibious vehicle wheel hydraulic spring grease cup folding and retraction device according to claim 1 is characterized in that: described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive.
4. described amphibious vehicle wheel hydraulic spring grease cup folding and retraction device according to claim 1, it is characterized in that: the number of Top Crossbeam (5) is 1-2.
5. described amphibious vehicle wheel hydraulic spring grease cup folding and retraction device according to claim 1, it is characterized in that: the number of lower cross arm (20) is 1-2.
6. amphibious vehicle, comprise wheel, it is characterized in that: the wheel hydraulic spring grease cup folding and retraction device that described wheel adopts, comprise wheel set (1), outer Universal drive assembly (22) is connected with axle drive shaft (19), axle drive shaft (19) is connected with differential assembly (17) by interior Universal drive assembly (18), it is characterized in that: crank (13) upper end is hinged by bearing pin IV (10) and vehicle frame (9), rod assembly (7) upper end is connected by bearing pin III (8) with crank (13) lower end, Top Crossbeam (5) is inner to be connected with crank (13) by bearing pin VII (15), hydraulic ram (12) lower end is connected by bearing pin VI (14) with crank (13), hydraulic ram (12) upper end and car body are hinged by bearing pin V (11), crank (13), rod assembly (7), hydraulic ram (12), Top Crossbeam (5) are around bearing pin IV (10) vehicle frame (9) motion relatively, Top Crossbeam (5) outer end is connected by bearing pin II (4) with wheel connecting arm (3) upper end, rod assembly (7) lower end is connected by bearing pin IX (21) with lower cross arm (20), lower cross arm (20) is inner hinged by bearing pin VIII (16) with vehicle frame (9), lower cross arm (20) outer end is connected by bearing pin I (2) with wheel connecting arm (3), and rod assembly (7), wheel connecting arm (3), Top Crossbeam (5), lower cross arm (20) are around bearing pin VIII (16) vehicle frame (9) motion relatively, damping system is set on rod assembly (7) by shock absorber (6) and forms, in steering swivel system, wheel connecting arm (3) is connected with the form of steering ball headgear (25) with swivel coupling with jump ring (28) by steering column jacket (27), turn to supporting pin (24) and wheel connecting arm (3) hinged, turn to supporting pin (24) axially to rotate at wheel connecting arm (3) around it, steering suspension pin (30) can rotate on it is axial, lower cross arm (20) is to be connected by king pin (29) by steering suspension pin (30) with wheel connecting arm (3), by steering suspension pin (30) and king pin (29), wheel flutter can be around lower cross arm (20) up and down and left rotation and right rotation motion, turn to supporting pin (24) to be connected by bearing pin X (23) with spindle arm (26), the angle of the line of the line of bearing pin III (8) and bearing pin IX (21) and bearing pin IV (10) and bearing pin IX (21) is at 0 °-45 °, described wheel hydraulic spring grease cup folding and retraction device is two to drive or entirely drive, the number of described Top Crossbeam (5) is 1-2, the number of described lower cross arm (20) is 1-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019423 CN203019994U (en) | 2013-01-15 | 2013-01-15 | Amphibious vehicle wheel hydraulic spring folding and unfolding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320019423 CN203019994U (en) | 2013-01-15 | 2013-01-15 | Amphibious vehicle wheel hydraulic spring folding and unfolding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019994U true CN203019994U (en) | 2013-06-26 |
Family
ID=48643998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320019423 Expired - Lifetime CN203019994U (en) | 2013-01-15 | 2013-01-15 | Amphibious vehicle wheel hydraulic spring folding and unfolding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203019994U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029540A (en) * | 2013-01-15 | 2013-04-10 | 韦宗权 | Hydraulic spring foldable retracting device for amphibious vehicle wheels |
| CN107618583A (en) * | 2017-09-13 | 2018-01-23 | 航天科工智能机器人有限责任公司 | A kind of modularization walking mechanism |
| CN107709055A (en) * | 2015-05-07 | 2018-02-16 | 吉布斯技术有限公司 | Retractible wheel assembly for duck |
| ES2676353A1 (en) * | 2017-01-18 | 2018-07-18 | Universitat Politécnica de Catalunya | PROPULSION SYSTEM FOR SNOWBOARD TABLES USING RETRACTABLE MOTORIZED CATERING WHEELS AND REMOTE CONTROL (Machine-translation by Google Translate, not legally binding) |
| CN110094486A (en) * | 2018-01-27 | 2019-08-06 | 益阳天华两栖车艇有限公司 | A kind of transfer hydraulic clutch transmission case |
-
2013
- 2013-01-15 CN CN 201320019423 patent/CN203019994U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029540A (en) * | 2013-01-15 | 2013-04-10 | 韦宗权 | Hydraulic spring foldable retracting device for amphibious vehicle wheels |
| CN107709055A (en) * | 2015-05-07 | 2018-02-16 | 吉布斯技术有限公司 | Retractible wheel assembly for duck |
| US11766908B2 (en) | 2015-05-07 | 2023-09-26 | Gibbs Technologies Limited | Retractable wheel assembly for an amphibian |
| ES2676353A1 (en) * | 2017-01-18 | 2018-07-18 | Universitat Politécnica de Catalunya | PROPULSION SYSTEM FOR SNOWBOARD TABLES USING RETRACTABLE MOTORIZED CATERING WHEELS AND REMOTE CONTROL (Machine-translation by Google Translate, not legally binding) |
| CN107618583A (en) * | 2017-09-13 | 2018-01-23 | 航天科工智能机器人有限责任公司 | A kind of modularization walking mechanism |
| CN107618583B (en) * | 2017-09-13 | 2019-06-18 | 航天科工智能机器人有限责任公司 | A kind of modularization walking mechanism |
| CN110094486A (en) * | 2018-01-27 | 2019-08-06 | 益阳天华两栖车艇有限公司 | A kind of transfer hydraulic clutch transmission case |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103029540B (en) | Hydraulic spring foldable retracting device for amphibious vehicle wheels | |
| CN203019994U (en) | Amphibious vehicle wheel hydraulic spring folding and unfolding device | |
| CN204037272U (en) | The vehicle chassis of a kind of adjustable ground Clearance and wheelspan | |
| CN100560393C (en) | Retracting-releasing device of amphibious vehicle wheel | |
| CN206841511U (en) | adjustable oil cylinder connecting rod steering mechanism | |
| CN202242837U (en) | Robot electric running gear with independent suspension | |
| CN102785565B (en) | Macpherson suspension wheel rim electric driving system for steering wheel | |
| CN103534109B (en) | Suspension device for rolling stock | |
| CN204172982U (en) | Tractor truck independent suspension type steering swivel system | |
| CN102582384B (en) | Amphibious four-wheel drive vehicle | |
| CN102555709B (en) | Winding and releasing device for wheels of amphibious vehicle | |
| CN102632786B (en) | Hydraulic wheel retracting device for amphibious vehicle | |
| CN204222565U (en) | New-type independent suspension front axle assy | |
| CN100554070C (en) | Parallelogram wheel leg walking mechanism | |
| CN205202634U (en) | Two yoke suspension hoisting device | |
| CN201437321U (en) | Automobile independent suspension frame | |
| CN202657099U (en) | Follow-up steering mechanism | |
| CN203381463U (en) | Central steering independent suspension | |
| CN207130666U (en) | A kind of expressway four sections of snow removing shovels of vehicular | |
| CN202169848U (en) | Automobile with variable wheel tracks | |
| CN205131489U (en) | Reverse tricycle turns to stand before and with before turn to stand | |
| CN204688204U (en) | A kind of beat of reverse three-wheel vehicle and steering hardware and oppositely three-wheel vehicle | |
| CN202439527U (en) | Liftable wheel transmission device for amphibious vehicle | |
| CN206475934U (en) | A kind of Novel tractor articulated body of achievable articulated steering | |
| CN206125015U (en) | Electricelectric moves harbour tractor front axle steering mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |