CN203402898U - Forklift two-section full-free portal frame without visual obstruction - Google Patents
Forklift two-section full-free portal frame without visual obstruction Download PDFInfo
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- CN203402898U CN203402898U CN201320460058.5U CN201320460058U CN203402898U CN 203402898 U CN203402898 U CN 203402898U CN 201320460058 U CN201320460058 U CN 201320460058U CN 203402898 U CN203402898 U CN 203402898U
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- free
- lift oil
- oil tank
- outer mast
- track
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- 230000000007 visual effect Effects 0.000 title claims abstract description 15
- 239000003921 oil Substances 0.000 claims description 96
- 239000010727 cylinder oil Substances 0.000 claims description 23
- 230000000694 effects Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a forklift two-section full-free portal frame without visual obstruction. The portal frame comprises an inner portal frame, an outer portal frame, two rear lifting oil cylinders, a fork arm carrier and a front lifting oil cylinder assembly. The front lifting oil cylinder assembly comprises two free lifting oil cylinders and two mounting supports, the two free lifting oil cylinders are arranged outside the front side of a left portal post of the inner portal frame and outside the front side of a right portal post of the inner portal frame through the mounting supports respectively, and the two free lifting oil cylinders are made to be located on the two sides of the outer portal frame respectively. A chain wheel is fixed to the upper end portion of a piston rod of each free lifting oil cylinder, chains are installed on the chain wheels in a crossing mode, one end of each chain is fixedly connected with the fork arm carrier, and the other end of each chain is connected with the corresponding mounting support. According to the forklift two-section full-free portal frame without visual obstruction, the number of the free lifting oil cylinders for lifting the fork arm carrier is improved to be two, and the free lifting oil cylinders are fixed outside the inner portal frame, and therefore not only is visual obstruction in the portal frame eliminated, but also the fork arm carrier does not need to be detached when the free lifting oil cylinders are maintained, cost is reduced, and economic benefits of a whole forklift are improved.
Description
Technical field
The utility model belongs to fork truck technical field, is specifically related to the hoist mechanism of fork truck.
Background technology
Forklift door frame, carries out the execution unit of stacking to goods while being forklift workability, along with social development, the carrying of the heavy goods in cabin or factory and stacking all need to adopt fork truck.But this operating environment hoists, space is restricted, and only has the full free gantry of employing can realize the goods scraper in lifting altitude constrained environment.At present, the structural arrangement forms of the full free gantry of two joints of Domestic Forklift are that free lift oil tank is fixed in the middle of inner upright mounting, hoist the oil inlet and oil return pipeline of chain, oil cylinder and accessory pipeline all in the middle of inner upright mounting, have a strong impact on operator's field of view, for the large fork truck of complete free oil cylinder cylinder diameter, may make the whole door frame visual field cover completely, make fork truck cannot carry out safe in operation.
Utility model content
In order to solve lift oil tank, the oil inlet and oil return pipeline of the chain that hoists, oil cylinder and accessory pipeline all, in the middle of inner upright mounting, have a strong impact on the problem of operator's field of view, the utility model provides a kind of full free gantry of fork truck two joint without disturbance of disturbance of visual field.
Concrete technical solution is as follows:
Without the full free gantry of fork truck two joint of disturbance of disturbance of visual field comprise inner upright mounting 1, outer mast 2, lift oil tank 17, goods shelf 11 and front lift oil tank assembly after two;
Described inner upright mounting 1 comprises left-hand door post, right door pillar and roof door bar, described left-hand door post and right door pillar are track, the cross-sectional plane of track is horizontal H shape, the bottom of the bottom of the outer side track of left-hand door post and the outer side track of right door pillar is respectively equipped with internal trolley 20, and the inner track of left-hand door post and the inner track of right door pillar are mutually corresponding;
Described outer mast 2 comprises left deckle board and right deckle board, the inner side that left deckle board is relative with right deckle board is respectively equipped with outer mast track, the upper end of both sides outer mast track is respectively equipped with outer roller, between left deckle board top and right deckle board top, by being installed, crossbeam connects, between left deckle board bottom and right deckle board bottom, by brace panel, connected, the side that installation crossbeam and the upper and lower correspondence of brace panel are positioned at outer mast 2 is rear side, and the opposite side of outer mast 2 is front side; The front portion of goods shelf 11 is used for installing pallet fork, the rear portion of goods shelf 11 is provided with two guide plates, and two guide plates are corresponding with the inner track of inner upright mounting 1 both sides, on two guide plates, be respectively equipped with two groups of guide wheels, two groups of guide wheels on two guide plates are the corresponding inner track that is positioned at inner upright mounting 1 both sides respectively;
Described inner upright mounting 1 corresponding matching is positioned at outer mast 2 front sides, and the internal trolley 20 of the left rail of inner upright mounting 1 and the internal trolley 20 of right rail lay respectively in the outer mast track of outer mast 2 both sides; After two, the cylinder body of lift oil tank 17 is separately fixed at lower left quarter and the right lower quadrant of outer mast 2 rear sides, after two, the piston rod of lift oil tank 17 is being fixedly connected with respectively the left side and the right of inner upright mounting 1 rear side roof door bar, and after two, the effect lower internal door frame 1 of lift oil tank 17 upwards hoists or falls along outer mast 2; Under the effect of front lift oil tank, goods shelf 11 upwards hoists or falls along inner upright mounting 1;
Described front lift oil tank assembly comprises two free lift oil tanks 14 and two mounting brackets 13, and the direction of the piston rod of every free lift oil tank 14 upwards; Two free lift oil tanks 14 are located at respectively inner upright mounting 1 outside front of left-hand door post and the outside front of right door pillar by mounting bracket 13, make two free lift oil tanks 14 lay respectively at the both sides of outer mast 2; The piston rod upper end of every free lift oil tank 14 is fixed with sprocket wheel 12, and on sprocket wheel 12, straddle mounting has chain 9, and one end of chain 9 is being fixedly connected with the rear portion of goods shelf 11, and the other end is connecting mounting bracket 13; The cylinder body lower end of every free lift oil tank 14 is being communicated with one end of free cylinder oil inlet 4, and the cylinder body upper end of free lift oil tank 14 is being communicated with one end of free cylinder oil return pipe 5.
Described mounting bracket 13 is angle steel shape, and the lateral surface bottom of a side board is provided with horizontal support plate, and horizontal support plate is perpendicular to side plate, and the bottom of horizontal support plate is provided with brace panel; The inferior part of the cylinder block of free lift oil tank 14 is fixed on horizontal support plate; The opposite side side plate of mounting bracket 13 is connecting inner upright mounting 1 front side of left-hand door post or the front side of right door pillar; The cylinder body top of two free lift oil tanks 14 is connecting respectively left-hand door post and the right door pillar of inner upright mounting 1 by fixing snap ring 7.
The piston rod upper end of every free lift oil tank 14 is fixed with the chain wheel support 6 of rectangle frame posture, in chain wheel support 6, by rotating shaft, is provided with sprocket wheel 12.
The cylinder body of two free lift oil tanks 14 is connecting respectively upright downtake 8 by two poles, and downtake 8 is parallel to free lift oil tank 14, and corresponding with the rear side of outer mast 2; The left deckle board lateral surface top of outer mast 2 and right deckle board lateral surface top are respectively equipped with upper rail 3; Upper rail 3 and downtake 8 are mutually corresponding; The bottom of free cylinder oil return pipe 5 is positioned at downtake 8, and when goods shelf 11 hoists, the top of free cylinder oil return pipe 5 is in the interior movement of upper rail 3, and free cylinder oil inlet 4 one sides that are connected with free lift oil tank 14 are in the interior movement of downtake 8.
Useful technique effect of the present utility model embodies in the following areas:
1. the utility model is improved to two by the free lift oil tank hoisting for goods shelf, and be separately fixed at the outside of inner upright mounting, not only realize door frame interior without disturbance of disturbance of visual field, and when free lift oil tank is safeguarded, do not need to dismantle goods shelf, reduce labour intensity; The cylinder diameter of two free lift oil tanks, much smaller than the cylinder diameter of a free lift oil tank, therefore greatly reduces the difficulty of processing of oil cylinder and the cost of sealing member on the other hand, has improved the economic benefit of car load;
2. the utility model is arranged in door frame outside by the chain hoisting for goods shelf, greatly improves the stress condition of goods shelf, and improves the stability of goods shelf;
3. door frame piping layout, in door frame outside, does not affect the visual field, and easy to maintenance;
4. free lifting altitude of the present utility model can reach half of maximum height of lift, and door frame terrain clearance is low, not only makes the height of inside and outside door frame distribute the complete free operation height that more rationally but also has greatly improved door frame.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that goods shelf works the constitution diagram that rises to inner upright mounting upper end.
Fig. 3 is that inner upright mounting works the constitution diagram that rises to outer mast upper end.
Fig. 4 is the back view of Fig. 3.
Fig. 5 is the inner upright mounting that removes goods shelf with respect to the outer mast constitution diagram that do not hoist.
Fig. 6 is the back view of Fig. 5.
Fig. 7 is the inner upright mounting that removes goods shelf with respect to the outer mast constitution diagram that hoists.
Fig. 8 is the back view of Fig. 7.
Fig. 9 is outer mast structural representation.
Figure 10 is the structural representation that inner upright mounting roller is positioned at outer mast track.
Sequence number in upper figure: inner upright mounting 1, outer mast 2, upper rail 3, free cylinder oil inlet 4, free cylinder oil return pipe 5, chain wheel support 6, fixedly snap ring 7, downtake 8, chain 9, door frame bearing 10, goods shelf 11, sprocket wheel 12, mounting bracket 13, free lift oil tank 14, inclined cylinder bearing 15, inner upright mounting chaining seat 16, rear lift oil tank 17, clamp 18, sprocket wheel bearing pin 19, internal trolley 20, main oil inlet 21, after the cylinder oil inlet 22 that hoists.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
Embodiment
Referring to Fig. 1, without the full free gantry of fork truck two joint of disturbance of disturbance of visual field comprise inner upright mounting 1, outer mast 2, lift oil tank 17, goods shelf 11 and front lift oil tank assembly after two.Referring to Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Figure 10, described inner upright mounting 1 comprises left-hand door post, right door pillar and roof door bar, described left-hand door post and right door pillar are track, the cross-sectional plane of track is horizontal H shape, the bottom of the bottom of the outer side track of left-hand door post and the outer side track of right door pillar is respectively equipped with internal trolley 20, and the inner track of left-hand door post and the inner track of right door pillar are mutually corresponding.Referring to Fig. 9, described outer mast 2 comprises left deckle board and right deckle board, the inner side that left deckle board is relative with right deckle board is respectively equipped with outer mast track, the upper end of both sides outer mast track is respectively equipped with outer roller, between left deckle board top and right deckle board top, by being installed, crossbeam connects, between left deckle board bottom and right deckle board bottom, by brace panel, connected, the side that installation crossbeam and the upper and lower correspondence of brace panel are positioned at outer mast 2 is rear side, and the opposite side of outer mast 2 is front side.Referring to Fig. 1 and Fig. 2, the front portion of goods shelf 11 is used for installing pallet fork, the rear portion of goods shelf 11 is provided with two guide plates, and two guide plates are corresponding with the inner track of inner upright mounting 1 both sides, on two guide plates, be respectively equipped with two groups of guide wheels, two groups of guide wheels on two guide plates are the corresponding inner track that is positioned at inner upright mounting 1 both sides respectively.Referring to Fig. 7 and Figure 10, inner upright mounting 1 corresponding matching is positioned at outer mast 2 front sides, and the internal trolley 20 of the left rail of inner upright mounting 1 and the internal trolley 20 of right rail lay respectively in the outer mast track of outer mast 2 both sides; Referring to Fig. 4, after two, the cylinder body of lift oil tank 17 is separately fixed at lower left quarter and the right lower quadrant of outer mast 2 rear sides, after two, the piston rod of lift oil tank 17 is being fixedly connected with respectively the left side and the right of inner upright mounting 1 rear side roof door bar, and after two, the effect lower internal door frame 1 of lift oil tank 17 upwards hoists or falls along outer mast 2; Under the effect of front lift oil tank, goods shelf 11 upwards hoists or falls along inner upright mounting 1.
Referring to Fig. 1 and Fig. 5, front lift oil tank assembly comprises two free lift oil tanks 14 and two mounting brackets 13, and every mounting bracket 13 is angle steel shape, and the lateral surface bottom of a side board is provided with horizontal support plate, and horizontal support plate is perpendicular to side plate, and the bottom of horizontal support plate is provided with brace panel; The inferior part of the cylinder block of free lift oil tank 14 is fixed on horizontal support plate, and the direction of the piston rod of every free lift oil tank 14 upwards; The opposite side side plate of mounting bracket 13 is connecting inner upright mounting 1 front side of left-hand door post or the front side of right door pillar.By two mounting brackets 13, make two free lift oil tanks 14 lay respectively at the both sides of outer mast 2, the cylinder body top of two free lift oil tanks 14 is connecting respectively left-hand door post and the right door pillar of inner upright mounting 1 by fixing snap ring 7.The piston rod upper end of every free lift oil tank 14 is installed with the chain wheel support 6 of rectangle frame posture, in chain wheel support 6, by rotating shaft, sprocket wheel 12 is installed, on sprocket wheel 12, straddle mounting has chain 9, one end of chain 9 is being fixedly connected with the rear portion of goods shelf 11, and the other end is connecting inner upright mounting chaining seat 16.Referring to Fig. 6, the cylinder body lower end of every free lift oil tank 14 is being communicated with one end of free cylinder oil inlet 4, and the cylinder body upper end of free lift oil tank 14 is being communicated with one end of free cylinder oil return pipe 5.
Referring to Fig. 5 and Fig. 6, the cylinder body of two free lift oil tanks 14 is connecting respectively upright downtake 8 by two poles, and downtake 8 is parallel to free lift oil tank 14, and corresponding with the rear side of outer mast 2; The left deckle board lateral surface top of outer mast 2 and right deckle board lateral surface top are separately installed with upper rail 3; Upper rail 3 and downtake 8 are mutually corresponding; The bottom of free cylinder oil return pipe 5 is positioned at downtake 8, and when goods shelf 11 hoists, the top of free cylinder oil return pipe 5 is in the interior movement of upper rail 3, and free cylinder oil inlet 4 one sides that are connected with free lift oil tank 14 are in the interior movement of downtake 8.
As shown in Figure 5, hydraulic oil by main oil inlet 21 respectively freedom of entry cylinder oil inlet 4 and after hoist in cylinder oil inlet 22; Two free lift oil tanks 14 are piston cylinder, and free cylinder oil return pipe 5 and free cylinder oil inlet 4 are at upper rail 3 and the interior up-and-down movement of downtake 8; Rear lift oil tank 17 is plunger case, and first hydraulic oil enter respectively in two free lift oil tanks 14 by oil inlet 4, until two 14 of free lift oil tanks, is raised to after maximum height, sees Fig. 2; Hydraulic oil through after hoist cylinder oil inlet 22 enter after lift oil tank 17, when 17 of rear lift oil tanks are raised to maximum height, realize the maximum height of lift of door frame, see Fig. 3 and Fig. 4.
Principle of work of the present utility model is as follows: referring to Fig. 5 and Fig. 2, main oil inlet 21 fuel feeding, the piston rod of two free lift oil tanks 14 protrudes upward, drive goods shelf 11 upward movement together, when two 14 of free lift oil tanks are raised to maximum position, as shown in Figure 2, the maximum height of door frame does not change, and improves the crossing ability of carrying fork truck goods; Referring to Fig. 3 and Fig. 4, when main oil inlet 21 continues fuel feeding, the piston rod of rear lift oil tank 17 protrudes upward, and drives inner upright mounting 1 upward movement, when after lift oil tank 17 strokes to cover be that door frame reaches maximum height of lift.When door frame declines, the piston rod of rear lift oil tank 17 retraction, when after the piston rod of lift oil tank 17 retract completely, the piston rod of two free lift oil tanks 14 starts retraction, goods shelf 11 falls back.
Referring to Fig. 2, two 14 of free lift oil tanks are raised to maximum position, and rear lift oil tank 17 keeps static, and now door frame terrain clearance is constant, can guarantee that the crossing ability after scraper goods is good; Referring to Fig. 7 and Fig. 8, forklift door frame state when two 14 of free lift oil tanks are raised to maximum position and 17 of rear lift oil tanks and are raised to maximum position, now the lifting altitude of door frame is maximum.
Claims (4)
1. without the full free gantry of fork truck two joint of disturbance of disturbance of visual field, comprise lift oil tank (17) after inner upright mounting (1), outer mast (2), two, goods shelf (11) and front lift oil tank assembly; Described inner upright mounting (1) comprises left-hand door post, right door pillar and roof door bar, described left-hand door post and right door pillar are track, the cross-sectional plane of track is horizontal H shape, the bottom of the bottom of the outer side track of left-hand door post and the outer side track of right door pillar is respectively equipped with internal trolley (20), and the inner track of left-hand door post and the inner track of right door pillar are mutually corresponding; Described outer mast (2) comprises left deckle board and right deckle board, the inner side that left deckle board is relative with right deckle board is respectively equipped with outer mast track, the upper end of both sides outer mast track is respectively equipped with outer roller, between left deckle board top and right deckle board top, by being installed, crossbeam connects, between left deckle board bottom and right deckle board bottom, by brace panel, connected, the side that installation crossbeam and the upper and lower correspondence of brace panel are positioned at outer mast (2) is rear side, and the opposite side of outer mast (2) is front side; The front portion of goods shelf (11) is used for installing pallet fork, the rear portion of goods shelf (11) is provided with two guide plates, and two guide plates are corresponding with the inner track of inner upright mounting (1) both sides, on two guide plates, be respectively equipped with two groups of guide wheels, two groups of guide wheels on two guide plates respectively correspondence are positioned at the inner track of inner upright mounting (1) both sides; Described inner upright mounting (1) corresponding matching is positioned at outer mast (2) front side, and the internal trolley (20) of the left rail of inner upright mounting (1) and the internal trolley (20) of right rail lay respectively in the outer mast track of outer mast (2) both sides; The cylinder body of lift oil tank after two (17) is separately fixed at lower left quarter and the right lower quadrant of outer mast (2) rear side, the piston rod of lift oil tank after two (17) is being fixedly connected with respectively the left side and the right of inner upright mounting (1) rear side roof door bar, and the effect lower internal door frame (1) of lift oil tank after two (17) upwards hoists or falls along outer mast (2); Goods shelf under the effect of front lift oil tank (11) upwards hoists or falls along inner upright mounting (1); It is characterized in that:
Described front lift oil tank assembly comprises two free lift oil tanks (14) and two mounting brackets (13), and the direction of the piston rod of every free lift oil tank (14) upwards; Two free lift oil tanks (14) are located at respectively the outside front of inner upright mounting (1) left-hand door post and the outside front of right door pillar by mounting bracket (13), make two free lift oil tanks (14) lay respectively at the both sides of outer mast (2); The piston rod upper end of every free lift oil tank (14) is fixed with sprocket wheel (12), and the upper straddle mounting of sprocket wheel (12) has chain (9), and one end of chain (9) is being fixedly connected with the rear portion of goods shelf (11), and the other end is connecting mounting bracket (13); The cylinder body lower end of every free lift oil tank (14) is being communicated with one end of free cylinder oil inlet (4), and the cylinder body upper end of free lift oil tank (14) is being communicated with one end of free cylinder oil return pipe (5).
2. the fork truck two without disturbance of disturbance of visual field according to claim 1 saves full free gantry, it is characterized in that: described mounting bracket (13) is angle steel shape, the lateral surface bottom of one side board is provided with horizontal support plate, and horizontal support plate is perpendicular to side plate, and the bottom of horizontal support plate is provided with brace panel; The inferior part of the cylinder block of free lift oil tank (14) is fixed on horizontal support plate; The opposite side side plate of mounting bracket (13) is connecting the front side of inner upright mounting (1) left-hand door post or the front side of right door pillar; The cylinder body top of two free lift oil tanks (14) is connecting respectively left-hand door post and the right door pillar of inner upright mounting (1) by fixing snap ring (7).
3. the fork truck two without disturbance of disturbance of visual field according to claim 1 saves full free gantry, it is characterized in that: the piston rod upper end of every free lift oil tank (14) is fixed with the chain wheel support (6) of rectangle frame posture, in chain wheel support (6), by rotating shaft, be provided with sprocket wheel (12).
4. the fork truck two without disturbance of disturbance of visual field according to claim 1 saves full free gantry, it is characterized in that: the cylinder body of two free lift oil tanks (14) is connecting respectively upright downtake (8) by two poles, downtake (8) is parallel to free lift oil tank (14), and corresponding with the rear side of outer mast (2); The left deckle board lateral surface top of outer mast (2) and right deckle board lateral surface top are respectively equipped with upper rail (3); Upper rail (3) and downtake (8) are mutually corresponding; The bottom of free cylinder oil return pipe (5) is positioned at downtake (8), when goods shelf (11) hoists, the top of free cylinder oil return pipe (5) is mobile in upper rail (3), and free cylinder oil inlet (4) one sides that are connected with free lift oil tank (14) are mobile in downtake (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460058.5U CN203402898U (en) | 2013-07-31 | 2013-07-31 | Forklift two-section full-free portal frame without visual obstruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320460058.5U CN203402898U (en) | 2013-07-31 | 2013-07-31 | Forklift two-section full-free portal frame without visual obstruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203402898U true CN203402898U (en) | 2014-01-22 |
Family
ID=49938837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320460058.5U Withdrawn - After Issue CN203402898U (en) | 2013-07-31 | 2013-07-31 | Forklift two-section full-free portal frame without visual obstruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203402898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342317A (en) * | 2013-07-31 | 2013-10-09 | 安徽合力股份有限公司 | Two-joint completely free portal frame of forklift truck without disturbance of visual field |
| CN118026051A (en) * | 2024-04-12 | 2024-05-14 | 山西建投国际建设集团有限公司 | Lifting device for be used for construction |
-
2013
- 2013-07-31 CN CN201320460058.5U patent/CN203402898U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103342317A (en) * | 2013-07-31 | 2013-10-09 | 安徽合力股份有限公司 | Two-joint completely free portal frame of forklift truck without disturbance of visual field |
| CN103342317B (en) * | 2013-07-31 | 2015-06-03 | 安徽合力股份有限公司 | Two-joint completely free portal frame of forklift truck without disturbance of visual field |
| CN118026051A (en) * | 2024-04-12 | 2024-05-14 | 山西建投国际建设集团有限公司 | Lifting device for be used for construction |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20150603 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20150603 |
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| RGAV | Abandon patent right to avoid regrant |