CN219542212U - Supporting structure with adjustable water conservancy pipeline installs - Google Patents

Supporting structure with adjustable water conservancy pipeline installs Download PDF

Info

Publication number
CN219542212U
CN219542212U CN202320207189.6U CN202320207189U CN219542212U CN 219542212 U CN219542212 U CN 219542212U CN 202320207189 U CN202320207189 U CN 202320207189U CN 219542212 U CN219542212 U CN 219542212U
Authority
CN
China
Prior art keywords
rod
frame
sliding
transmission rod
water conservancy
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.)
Withdrawn - After Issue
Application number
CN202320207189.6U
Other languages
Chinese (zh)
Inventor
苏挺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Qianhong Shengyuan Architectural Engineering Design Co ltd
Original Assignee
Anhui Yiwan Construction Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Yiwan Construction Engineering Co ltd filed Critical Anhui Yiwan Construction Engineering Co ltd
Priority to CN202320207189.6U priority Critical patent/CN219542212U/en
Application granted granted Critical
Publication of CN219542212U publication Critical patent/CN219542212U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

Landscapes

  • Supports For Pipes And Cables (AREA)

Abstract

The utility model discloses an adjustable supporting structure for installing a water conservancy pipeline, which relates to the technical field of water conservancy projects and comprises a base frame, wherein a stable lifting mechanism is arranged above the base frame, a clamping and adjusting mechanism is arranged in the middle of the stable lifting mechanism, auxiliary displacement mechanisms are arranged in the middle and at one side of the clamping and adjusting mechanism, and the clamping and adjusting mechanism comprises a sliding frame. The utility model has reasonable structure, the assembling sliding frame is positioned at the two sides of the sliding frame in advance, personnel can adjust the position of the assembling sliding frame according to the length of the pipeline through the sliding arrangement, when the assembling sliding frame is adjusted to a proper distance, the control rod can be manually rotated, at the moment, the limiting plate can carry out corresponding front-back displacement operation through the third transmission rod, the screw rod sliding sleeve and other transmission parts, and the adapting clamping of pipelines with different inner diameters and different lengths can be achieved by matching with the fixed rod fixed with the processing table, so that dangerous phenomena such as inclination or deflection of the pipeline are avoided.

Description

Supporting structure with adjustable water conservancy pipeline installs
Technical Field
The utility model relates to the technical field of hydraulic engineering, in particular to an adjustable supporting structure for hydraulic pipeline installation.
Background
The hydraulic engineering is used for controlling and allocating surface water and underground water in the nature to achieve the aim of removing harm and benefiting, is also called as water engineering, water is an indispensable precious resource for human production and life, but the naturally occurring state of the hydraulic engineering does not completely meet the human needs, only the hydraulic engineering is constructed to control water flow, prevent flood disasters and regulate and allocate water quantity so as to meet the needs of people living and production on water resources, and in daily hydraulic engineering, corresponding installation is needed for water conservancy pipelines, and at the moment, corresponding supporting structures are needed for stable installation of the pipelines.
However, in use, the conventional adjustable support structure for installing water conservancy pipelines can only support and fix pipelines with the same specification and size, and when pipelines with different inner diameters are operated, the phenomenon of offset formed by self-displacement is easy to occur due to imperfect limit, so that the using effect of the device is reduced, and therefore, the adjustable support structure for installing water conservancy pipelines is provided to meet the demands.
Disclosure of Invention
The utility model aims to provide an adjustable supporting structure for installing a water conservancy pipeline, wherein an assembly sliding frame is arranged at two sides of a sliding frame in advance, a person can adjust the position of the assembly sliding frame according to the length of the pipeline through the sliding arrangement, when the position of the assembly sliding frame is adjusted to a proper distance, the control rod can be manually rotated, at the moment, a limiting plate can carry out corresponding front-back displacement operation through a third transmission rod, a screw rod sliding sleeve and other transmission parts, and the like, and can achieve adaptive clamping of pipelines with different inner diameters and different lengths by matching with a fixed rod fixed with a processing table, so that dangerous phenomena such as inclination or deviation of the pipeline are avoided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bearing structure with adjustable water conservancy pipeline installs, includes the base frame, the top of base frame is provided with stable elevating system, and stable elevating system's middle part is provided with clamping adjustment mechanism, clamping adjustment mechanism's middle part and one side are provided with supplementary displacement mechanism, clamping adjustment mechanism includes the carriage, and the middle part of carriage is provided with the assembly balladeur train, the middle part of assembly balladeur train is provided with the third transfer line, and the one end of third transfer line is provided with the control lever, one side periphery of third transfer line is provided with the lead screw sliding sleeve, and the top both sides of lead screw sliding sleeve are provided with fixed connection frame, the tip of fixed connection frame is provided with the limiting plate, one side distribution of stable elevating system has the dead lever.
Preferably, the limiting plate forms a threaded transmission structure with the screw rod sliding sleeve and the assembly sliding frame through the fixed connecting frame and the third transmission rod, and the assembly sliding frame is in sliding connection with the sliding frame.
Preferably, the fixing rods are fixedly connected with the stable lifting mechanism, and the fixing rods are distributed at equal intervals along the upper side of one side of the stable lifting mechanism.
Preferably, the stable lifting mechanism comprises a first transmission rod, a screw rod sleeve is arranged on the periphery of one side of the first transmission rod, a processing table is fixed on one side of the screw rod sleeve, a connecting rod is arranged on one side above the first transmission rod, a sliding rod frame is arranged on the other side of the connecting rod, a first conical gear assembly is arranged on the periphery of one end of the first transmission rod, a second conical gear assembly is arranged on one side of the first conical gear assembly, a second transmission rod is arranged in the middle of the side edge of the second conical gear assembly, and a driving motor is arranged at one end of the second transmission rod.
Preferably, the processing table forms a linkage lifting structure through the first transmission rod, the screw rod sleeve, the first bevel gear component, the second transmission rod and the sliding rod frame, and one side of the processing table is distributed in an inclined mode.
Preferably, the auxiliary displacement mechanism comprises a reserved groove, and rotating shafts are arranged on two sides of the inner portion of the reserved groove. The middle part of axis of rotation is provided with the pedestal, one side of stable elevating system is provided with the mounting bracket, and the middle part of mounting bracket is provided with push rod subassembly, the tip of push rod subassembly is provided with the propulsion board.
Preferably, the rotating shaft and the shaft bracket are movably connected, and the shaft bracket and the rotating shaft are distributed at equal intervals along the middle part of the reserved groove.
In summary, the utility model has the technical effects and advantages that:
1. the utility model has reasonable structure, the assembling sliding frame is positioned at the two sides of the sliding frame in advance, personnel can adjust the position of the assembling sliding frame according to the length of the pipeline through the sliding arrangement, when the assembling sliding frame is adjusted to a proper distance, the control rod can be manually rotated, at the moment, the limiting plate can carry out corresponding front-back displacement operation through the third transmission rod, the screw rod sliding sleeve and other transmission parts, and the adapting clamping of pipelines with different inner diameters and different lengths can be achieved by matching with the fixed rod fixed with the processing table, so that dangerous phenomena such as inclination or deflection of the pipeline are avoided.
2. In the utility model, a person can place a pipeline to be processed on a processing table in advance, then start a driving motor according to different processing heights, and then the processing table can stably lift and lower through the arrangement of transmission auxiliary components such as a first transmission rod, a screw rod sleeve, a first bevel gear assembly, a second transmission rod, a sliding rod frame and the like, thereby bringing portability in adjustment for processing or connecting heights of the pipeline and the like.
3. In the utility model, when the pipeline processing needs to be connected, a person can make the clamping bias of the limiting plate in the clamping and adjusting mechanism to the pipeline loose in advance, then start the push rod assembly, and the pushing plate at the end part of the push rod assembly can reach the auxiliary sliding type horizontal displacement effect through the rotating shafts and the shaft brackets which are equidistantly distributed at the bottom of the pipeline, thereby being convenient for the operation and treatment of constructors.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an adjustable support structure for installing a hydraulic pipeline;
FIG. 2 is a schematic view of a stable lifting mechanism of an adjustable support structure for installing a water conservancy pipeline;
FIG. 3 is a schematic view of a clamping and adjusting mechanism of an adjustable support structure for installing a water conservancy pipeline;
fig. 4 is a schematic view of a partially enlarged structure of fig. 1 a of the adjustable support structure for installing a hydraulic pipeline.
In the figure: 1. a base frame; 2. a stable lifting mechanism; 201. a first transmission rod; 202. a screw rod sleeve; 203. a processing table; 204. a connecting rod; 205. a sliding rod frame; 206. a first bevel gear assembly; 207. a second bevel gear assembly; 208. a second transmission rod; 209. a driving motor; 3. a clamping and adjusting mechanism; 301. a carriage; 302. assembling a sliding frame; 303. a third transmission rod; 304. a control lever; 305. a screw rod sliding sleeve; 306. a connecting frame is fixed; 307. a limiting plate; 308. a fixed rod; 4. an auxiliary displacement mechanism; 401. a reserved groove; 402. a rotating shaft; 403. a shaft bracket; 404. a mounting frame; 405. a push rod assembly; 406. the plate is advanced.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples: 1-4, an adjustable supporting structure for installing a water conservancy pipeline is shown, the adjustable supporting structure comprises a base seat frame 1, a stable lifting mechanism 2 is arranged above the base seat frame 1, a clamping and adjusting mechanism 3 is arranged in the middle of the stable lifting mechanism 2, an auxiliary displacement mechanism 4 is arranged in the middle and on one side of the clamping and adjusting mechanism 3, the stable lifting mechanism 2 comprises a first transmission rod 201, a screw rod sleeve 202 is arranged on the periphery of one side of the first transmission rod 201, a machining table 203 is fixed on one side of the screw rod sleeve 202, a connecting rod 204 is arranged on one side of the first transmission rod 201, a sliding rod frame 205 is arranged on the other side of the connecting rod 204, a first conical gear assembly 206 is arranged on the periphery of one end of the first transmission rod 201, a second conical gear assembly 207 is arranged on one side of the first conical gear assembly 206, a second transmission rod 208 is arranged in the middle of the side of the second conical gear assembly 207, a driving motor 209 is arranged on one end of the second transmission rod 208, the machining table 203 is provided with a driving motor 209, a machining table 203 is provided with a first conical gear assembly 202, a first conical gear assembly 206, a second conical gear assembly 205 and a second conical gear assembly 205 is arranged on one side of the first transmission rod 203 and a sliding frame 203 is not in contact with the sliding frame, and a sliding frame 203 is arranged on the first transmission rod 203 or the sliding frame, and the sliding frame is machined or the other side of the sliding frame is a sliding frame is easy to be machined, and then a machining part is carried out; the clamping and adjusting mechanism 3 comprises a sliding frame 301, an assembling sliding frame 302 is arranged in the middle of the sliding frame 301, a third transmission rod 303 is arranged in the middle of the assembling sliding frame 302, a control rod 304 is arranged at one end of the third transmission rod 303, a screw rod sliding sleeve 305 is arranged at the periphery of one side of the third transmission rod 303, fixed connection frames 306 are arranged at two sides above the screw rod sliding sleeve 305, a limiting plate 307 is arranged at the end of the fixed connection frames 306, the limiting plate 307 forms a threaded transmission structure with the screw rod sliding sleeve 305 and the assembling sliding frame 302 through the fixed connection frames 306 and the third transmission rod 303, the assembling sliding frame 302 is in sliding connection with the sliding frame 301, a fixed rod 308 is distributed at one side of the stable lifting mechanism 2, the fixed rod 308 is fixedly connected with the stable lifting mechanism 2, the fixed rod 308 is distributed at equal intervals above one side of the stable lifting mechanism 2, the assembling sliding frame 302 is positioned at two sides of the sliding frame 301 in advance, a person can adjust the position of the assembling sliding frame 302 to a proper distance through the sliding arrangement at the moment according to the length of a pipeline, the limiting plate 307 can manually rotate the control rod 304, the limiting plate 307 can be matched with the corresponding front sliding sleeve 203 and the corresponding sliding sleeve 203 in a different lengths or the inner diameter of the pipeline, and the pipeline can be prevented from being matched with the corresponding inner diameter to be in a different displacement mode, and dangerous situation can be avoided, the dangerous phenomenon that the pipeline is different is difficult to be matched and matched with the pipeline to be processed; the auxiliary displacement mechanism 4 comprises a reserved groove 401, and rotation shafts 402 are arranged on two sides of the inner portion of the reserved groove 401. The middle part of axis of rotation 402 is provided with pedestal 403, one side of stable elevating system 2 is provided with mounting bracket 404, and the middle part of mounting bracket 404 is provided with push rod subassembly 405, push rod subassembly 405's tip is provided with propulsion board 406, be swing joint between axis of rotation 402 and the pedestal 403, and pedestal 403 and axis of rotation 402 are equidistant along the middle part of reservation groove 401 and distribute, when processing pipeline needs handing-over, personnel can make the limiting plate 307 in the clamping adjustment mechanism 3 to the partial lax of centre gripping of pipeline in advance, then start push rod subassembly 405, its tip propulsion board 406 can reach the horizontal displacement effect of assisting the smooth type through axis of rotation 402, pedestal 403 that the pipeline bottom equidistance distributes, so the operation processing of constructor of being convenient for.
The working principle of the utility model is as follows:
the personnel can place the pipeline to be processed on the processing platform 203 in advance, then, the driving motor 209 is started according to different processing heights, then, the processing platform 203 performs stable lifting operation through the first transmission rod 201, the screw rod sleeve 202, the first bevel gear assembly 206, the second bevel gear assembly 207, the second transmission rod 208, the sliding rod frame 205 and other transmission auxiliary components, the assembly sliding frame 302 is positioned on two sides of the sliding frame 301 in advance, the personnel can adjust the position of the assembly sliding frame 302 through the sliding arrangement according to the length of the pipeline, when the personnel adjusts the position to a proper distance, the control rod 304 can be manually rotated, at this time, the limiting plate 307 can perform corresponding front-back displacement operation through the transmission components such as the third transmission rod 303 and the screw rod 305, and the like, the adaptive clamping of pipelines with different inner diameters and different lengths can be achieved through the fixing rod 308 fixed with the processing platform 203, the dangerous phenomena such as inclination or offset of the pipelines are avoided, finally, when the processing pipeline needs to be connected, the personnel can pre-make the clamping of the limiting plate 307 in the clamping adjusting mechanism 3 to the pipeline loose, then, the pushing rod assembly 405 can be manually rotated, the pushing plate 403 can reach the horizontal displacement of the auxiliary shaft frame 402 through the bottom of the pipeline 403, and the horizontal displacement of the sliding shaft frame is convenient for the personnel.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Support structure with adjustable water conservancy pipeline installs, including base frame (1), its characterized in that: the lifting mechanism is characterized in that a stable lifting mechanism (2) is arranged above the base frame (1), a clamping adjusting mechanism (3) is arranged in the middle of the stable lifting mechanism (2), an auxiliary displacement mechanism (4) is arranged in the middle of the clamping adjusting mechanism (3) and on one side of the clamping adjusting mechanism, the clamping adjusting mechanism (3) comprises a sliding frame (301), an assembly sliding frame (302) is arranged in the middle of the sliding frame (301), a third transmission rod (303) is arranged in the middle of the assembly sliding frame (302), a control rod (304) is arranged at one end of the third transmission rod (303), a screw sliding sleeve (305) is arranged on the periphery of one side of the third transmission rod (303), a fixed connecting frame (306) is arranged on two sides of the upper side of the screw sliding sleeve (305), a limiting plate (307) is arranged at the end of the fixed connecting frame (306), and a fixing rod (308) is distributed on one side of the stable lifting mechanism (2).
2. The adjustable support structure for installing water conservancy pipelines according to claim 1, wherein: the limiting plate (307) forms a threaded transmission structure with the screw rod sliding sleeve (305) and the assembly sliding frame (302) through the fixed connecting frame (306) and the third transmission rod (303), and the assembly sliding frame (302) is in sliding connection with the sliding frame (301).
3. The adjustable support structure for installing water conservancy pipelines according to claim 1, wherein: the fixing rods (308) are fixedly connected with the stable lifting mechanism (2), and the fixing rods (308) are distributed at equal intervals along the upper side of one side of the stable lifting mechanism (2).
4. The adjustable support structure for installing water conservancy pipelines according to claim 1, wherein: the stable lifting mechanism (2) comprises a first transmission rod (201), a screw rod sleeve (202) is arranged on the periphery of one side of the first transmission rod (201), a processing table (203) is fixed on one side of the screw rod sleeve (202), a connecting rod (204) is arranged on one side of the upper side of the first transmission rod (201), a sliding rod frame (205) is arranged on the other side of the connecting rod (204), a first conical gear assembly (206) is arranged on the periphery of one end of the first transmission rod (201), a second conical gear assembly (207) is arranged on one side of the first conical gear assembly (206), a second transmission rod (208) is arranged in the middle of the side edge of the second conical gear assembly (207), and a driving motor (209) is arranged at one end of the second transmission rod (208).
5. The adjustable support structure for installing water conservancy pipelines of claim 4, wherein: the machining table (203) forms a linkage lifting structure through a first transmission rod (201), a screw rod sleeve (202), a first bevel gear assembly (206), a second bevel gear assembly (207), a second transmission rod (208) and a sliding rod frame (205), and one side of the machining table (203) is distributed in an inclined mode.
6. The adjustable support structure for installing water conservancy pipelines according to claim 1, wherein: the auxiliary displacement mechanism (4) comprises a reserved groove (401), rotating shafts (402) are arranged on two sides of the inner portion of the reserved groove (401), a shaft bracket (403) is arranged in the middle of the rotating shafts (402), a mounting frame (404) is arranged on one side of the stable lifting mechanism (2), a push rod assembly (405) is arranged in the middle of the mounting frame (404), and a pushing plate (406) is arranged at the end of the push rod assembly (405).
7. The adjustable support structure for installing water conservancy pipelines of claim 6, wherein: the rotating shaft (402) and the shaft bracket (403) are movably connected, and the shaft bracket (403) and the rotating shaft (402) are distributed at equal intervals along the middle part of the reserved groove (401).
CN202320207189.6U 2023-02-14 2023-02-14 Supporting structure with adjustable water conservancy pipeline installs Withdrawn - After Issue CN219542212U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320207189.6U CN219542212U (en) 2023-02-14 2023-02-14 Supporting structure with adjustable water conservancy pipeline installs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320207189.6U CN219542212U (en) 2023-02-14 2023-02-14 Supporting structure with adjustable water conservancy pipeline installs

Publications (1)

Publication Number Publication Date
CN219542212U true CN219542212U (en) 2023-08-18

Family

ID=87707532

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320207189.6U Withdrawn - After Issue CN219542212U (en) 2023-02-14 2023-02-14 Supporting structure with adjustable water conservancy pipeline installs

Country Status (1)

Country Link
CN (1) CN219542212U (en)

Similar Documents

Publication Publication Date Title
CN206942036U (en) The cladding fixture of Dali stone ceramic tile
CN209550335U (en) A kind of helix tube bending device of adjustable bending angle
CN219542212U (en) Supporting structure with adjustable water conservancy pipeline installs
CN210731727U (en) Constructional engineering steel pipe lateral wall trompil device
CN216242643U (en) Pipeline strutting arrangement for municipal works
CN208022634U (en) A kind of flanged disk penstock installation lifting gear
CN113639102A (en) Positioning bracket for water supply and drainage engineering pipeline
CN213361311U (en) High-strength steel support convenient to install
CN216045790U (en) Auxiliary device for pipeline installation and connection
CN214080267U (en) Auxiliary fixing device for three-fork universal joint
CN212297933U (en) Pipeline positioning support for water supply and drainage engineering
CN212489013U (en) Anti-shaking office table
CN104175740B (en) A kind of paper-pressing mechanism for the machine of binding
CN213087057U (en) Building structure connecting device
CN207749278U (en) A kind of adjustable inclination and adjustable for height sewing machine table
CN220168505U (en) Fixing device for speed reducer
CN218294741U (en) Adjustable supporting structure for hydraulic pipeline installation of hydraulic engineering
CN220534122U (en) Water conservancy pipeline connecting device
CN219094197U (en) Clamp for welding warm through pipe
CN207232505U (en) A kind of microscope stand of pathological experiment
CN218145642U (en) Novel synchronous elevation structure of security for construction
CN212536929U (en) Medical gas pipeline supporting device
CN217345305U (en) Efficient warehouse-through pipeline installation tool
CN216344298U (en) Quick supporting device for pipeline installation butt joint
CN210386964U (en) Spiral pipe arch beating device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230911

Address after: No. 1-4, Office Building 1 #, Wanda Plaza (West Zone), Wanyuan New Area, Lizhou District, Guangyuan City, Sichuan Province, 628000

Patentee after: Sichuan Lingfeng Construction Engineering Co.,Ltd.

Address before: 2-1, Building 1, Qishida Market, Lingcheng Town, Lingbi County, Suzhou City, Anhui Province, 234299

Patentee before: Anhui Yiwan Construction Engineering Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20240328

Address after: 615000, No.152 Chang'an Middle Road, Chang'an Street, Xichang City, Liangshan Yi Autonomous Prefecture, Sichuan Province

Patentee after: Sichuan Qianhong Shengyuan Architectural Engineering Design Co.,Ltd.

Country or region after: China

Address before: No. 1-4, Office Building 1 #, Wanda Plaza (West Zone), Wanyuan New Area, Lizhou District, Guangyuan City, Sichuan Province, 628000

Patentee before: Sichuan Lingfeng Construction Engineering Co.,Ltd.

Country or region before: China

TR01 Transfer of patent right
AV01 Patent right actively abandoned

Granted publication date: 20230818

Effective date of abandoning: 20240415

AV01 Patent right actively abandoned

Granted publication date: 20230818

Effective date of abandoning: 20240415

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned