CN112117114B - Transformer box body edge hole positioning tool - Google Patents
Transformer box body edge hole positioning tool Download PDFInfo
- Publication number
- CN112117114B CN112117114B CN202011028125.7A CN202011028125A CN112117114B CN 112117114 B CN112117114 B CN 112117114B CN 202011028125 A CN202011028125 A CN 202011028125A CN 112117114 B CN112117114 B CN 112117114B
- Authority
- CN
- China
- Prior art keywords
- clamping part
- cam
- handle
- sleeve
- boss
- 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.)
- Active
Links
- 238000004080 punching Methods 0.000 claims description 12
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000003116 impacting effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The utility model provides a transformer box edge hole positioning tool, belongs to the transformer production field, includes lower clamping part, goes up clamping part, controls portion and appearance and dashes, and lower clamping part and last clamping part are articulated each other, can rotate each other, and the control portion is installed on last clamping part, and the appearance dashes to be installed on last clamping part and is controlled by the control portion. The lower clamping part comprises a lower clamping piece, a lower rocker arm, a lower handle and a right connecting boss, the lower clamping piece is provided with a pair of lower clamping pieces, and the lower rocker arm is connected to the bottoms of the two lower clamping pieces. The upper clamping part comprises an upper clamping piece, an upper rocker arm, an upper handle, a left connecting boss, a side plate, a portal frame, a rotating shaft, a sleeve and a spring. The middle part of the portal frame is provided with a sleeve which is penetrated downwards. The operation part comprises a cam, a handle, a side hole, a sliding groove and an impact groove, and the side part of the cam is provided with the side hole. The sample punch comprises a main rod, a conical head and a boss, the main rod is installed in the sleeve, and the spring is installed above the main rod.
Description
Technical Field
The invention belongs to the technical field of transformer production, and particularly relates to a positioning tool for an edge hole of a transformer box body.
Background
The transformer box is manufactured by welding or bolting a plurality of plates, the bolting mode is usually used on the upper edge of the box, the connection mode needs to open a hole at the connection position firstly, and the hole is usually positioned and dotted in the hole opening position before opening, so that the subsequent hole opening operation is convenient, and the position accuracy of the hole opening is ensured. The mode that traditional widely used hole location was got ready all uses the appearance to dash and strikes in the position and form, and box edge rigidity is not high usually, and this kind of operation of knocking then gets ready the degree of depth not enough if the dynamics is not enough, can't play the effect of hole location, and the dynamics is too big then probably influences the straightness at box edge, and the dynamics control requirement to operating personnel is higher.
Disclosure of Invention
The invention provides a positioning tool for an edge hole of a transformer box body, which aims to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
the utility model provides a transformer box edge hole positioning tool, includes clamping part, last clamping part, controls portion and appearance towards down, and clamping part and last clamping part are articulated each other down, can rotate each other, and the portion of controling is installed on last clamping part, and the appearance is dashed the installation and is controlled by the portion of controling on last clamping part.
The lower clamping part comprises a lower clamping piece, a lower rocker arm, a lower handle and a right connecting boss, the lower clamping piece is provided with a pair of clamping pieces, the lower rocker arm is connected to the bottoms of the two lower clamping pieces, the other end of the lower rocker arm is provided with the lower handle, and the connecting area of the lower rocker arm and the lower handle is the right connecting boss.
Go up the clamping part and include the centre gripping piece, go up the rocking arm, go up the handle, the boss is connected on a left side, the curb plate, the portal frame, the apparatus further comprises a rotating shaft, sleeve and spring, go up the rocking arm, go up the clamping piece, the structural style of going up handle and left connection boss is with similar, its overall structure is symmetrical along the central plane with lower clamping part, it is articulated with right connection boss through left connection boss to go up clamping part and lower clamping part, can rotate mutually, lower clamping piece realizes the tight locate function of clamp of whole positioning tool at the box edge with last clamping piece jointly. The upper clamping pieces are also provided with a pair of side plates, the inner sides of the pair of upper clamping pieces are respectively provided with a side plate, the side plates are upwards connected with the portal frame, and a rotating shaft is arranged between the side plates. The portal frame mid-mounting dashes towards the sleeve of lining up downwards, and installation appearance in the sleeve has the blanking cover, installs the spring in the sleeve, and the blanking cover closes the spring lid in the sleeve.
The control portion includes the cam, the handle, the lateral part hole, spout and impact groove, the cam lateral part has the lateral part hole, the direction that the lateral part hole was kept away from to the curve of cam is more far away from the distance in lateral part hole, the cam middle part has logical groove, logical inslot installation appearance is towards, the rear side bottom of cam has the handle, the handle links into an integrated entity with the cam that leads to the groove both sides, cam top edge inboard has the spout, the shape of spout is the downward equidistance skew of cam top edge shape, the spout rear end has impact groove, impact groove's angle needs special design, when the cam upwards rotates to spout and impact groove intersect and be located the peak around the lateral part hole, impact groove's direction is just in time vertical downwards.
Appearance is towards including the mobile jib, conical head and boss, the mobile jib is installed in the sleeve, spring mounting is in the mobile jib top, the mobile jib bottom has the conical head, the conical head punches the point of punching at box edge surface, mobile jib middle part both sides have the boss, the boss is installed in the spout, along with the rotation of cam, the boss slides in the spout, slide when the boss to impact the groove top when, at this moment just in time impact the vertical downwards of direction in groove, the boss is along impacting the groove downward impact under the effect of spring, the completion is towards the point.
Furthermore, the lower rocker arm is of an arc-shaped forking structure, and two ends of the forking of the lower rocker arm are connected to the bottoms of the two lower clamping pieces.
Further, the connection of the rotating shaft on the side plates is welding or detachable connection.
Further, the handle penetrates through the middle part of the upper rocker arm and is tilted upwards.
The invention has the beneficial effects that:
the invention is used for positioning the punching point of the hole on the side wall of the transformer box body, the punching force of the punching point can be adjusted, and the punching force can be kept consistent after the adjustment, thereby effectively solving the problem possibly caused by too large or too small punching force.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is an exploded view of the present invention;
in the figure: 10. the novel clamping device comprises a lower clamping part, 11, a lower clamping piece, 12, a lower rocker arm, 13, a lower handle, 14, a right connecting boss, 20, an upper clamping part, 21, an upper clamping piece, 22, an upper rocker arm, 23, an upper handle, 24, a left connecting boss, 25, a side plate, 26, a portal frame, 27, a rotating shaft, 28, a sleeve, 281, a blocking cover, 29, a spring, 30, an operating part, 31, a cam, 32, a handle, 33, a side hole, 34, a sliding groove, 35, an impact groove, 40, a sample punch, 41, a main rod, 42, a conical head and 43.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1-3, the tool for positioning the edge hole of the transformer tank includes a lower clamping portion 10, an upper clamping portion 20, an operating portion 30 and a plunger 40, wherein the lower clamping portion 10 and the upper clamping portion 20 are hinged to each other and can rotate with respect to each other, the operating portion 30 is mounted on the upper clamping portion 20, and the plunger 40 is mounted on the upper clamping portion 20 and operated by the operating portion 30.
The lower clamping part 10 comprises a lower clamping piece 11, a lower rocker arm 12, a lower handle 13 and a right connecting boss 14, the lower clamping piece 11 is provided with a pair of clamping pieces, the lower rocker arm 12 is of an arc-shaped forking structure, two ends of the forking of the lower rocker arm 12 are connected to the bottoms of the two lower clamping pieces 11, the other end of the lower rocker arm 12 is provided with the lower handle 13, and the connecting area of the lower rocker arm 12 and the lower handle 13 is the right connecting boss 14.
Go up clamping part 20 and include last clamping piece 21, go up rocking arm 22, go up handle 23, left side connection boss 24, curb plate 25, portal frame 26, pivot 27, sleeve 28 and spring 29, go up rocking arm 12, go up the clamping piece, the structural style of going up handle 23 and left connection boss 24 is unanimous with the corresponding technical characteristics person of clamping part 10 down, its overall structure is symmetrical along the central plane with clamping part 10 down, it is articulated with right connection boss 14 through left connection boss 24 with lower clamping part 10 to go up clamping part 20, can rotate mutually, lower clamping piece 11 and last clamping piece 12 realize whole positioning tool jointly and press from both sides tight locate function at the box edge. The upper clamping pieces 21 also have a pair, the inner sides of the pair of upper clamping pieces 21 are respectively provided with a side plate 25, the side plates 25 are connected with the portal frame 26 upwards, and a rotating shaft 27 is arranged between the side plates 25, of course, it should be noted that the rotating shaft 27 is connected to the side plates 25 after the operating part 30 is installed, and the connection of the rotating shaft 27 on the side plates 25 is welding or detachable connection. A downward through sleeve 28 is arranged in the middle of the portal frame 26, a sample punch 40 is arranged in the sleeve 28, a blocking cover 281 is arranged at the top of the sleeve 28, a spring 29 is arranged in the sleeve 28, and the spring 29 is covered in the sleeve 28 by the blocking cover 281.
The operating part 30 comprises a cam 31, a handle 32, a side hole 33, a sliding groove 34 and an impact groove 35, wherein the side of the cam 31 is provided with the side hole 33, the curve of the cam 31 is far away from the side hole 33, the distance from the side hole 33 is longer, the middle of the cam 31 is provided with a through groove, a sample punch 40 is arranged in the through groove, the rear bottom of the cam 31 is provided with the handle 32, the cam 31 on two sides of the through groove is connected into a whole by the handle 32, the handle 32 penetrates through the middle of the upper rocker arm 22 to be tilted upwards, the inner side of the upper edge of the cam 31 is provided with the sliding groove 34, the sliding groove 34 is in a shape of downward equidistant deviation of the shape of the upper edge of the cam 31, the rear end of the sliding groove 34 is provided with the impact groove 35, the angle of the impact groove 35 needs to be specially designed, and when the cam 31 rotates upwards around the side hole 33 until the intersection point of the sliding groove 34 and the impact groove 35 is positioned at the highest point, the direction of the impact groove 35 is just vertically downwards.
The sample punch 40 comprises a main rod 41, a conical head 42 and a boss 43, the main rod 41 is installed in the sleeve 28, the spring 29 is installed above the main rod 41, the conical head 42 is arranged at the bottom of the main rod 41, the conical head 42 punches a punching point on the surface of the edge of the box body, the bosses 43 are arranged on two sides of the middle of the main rod 41, the bosses 43 are installed in the sliding grooves 34, the bosses 43 slide in the sliding grooves 34 along with the rotation of the cam 31, when the bosses 43 slide to the top of the impact grooves 35, the direction of the impact grooves 35 is right downward, the bosses 43 impact downward along the impact grooves 35 under the action of the spring 29, and the punching point is completed.
The working principle of the invention is as follows: the lower clamping part 10 and the upper clamping part 20 are hinged, the sample punch 40 is placed on the sliding groove 34, the rotating shaft 27 is installed on the side hole 33, the rotating shaft 27 and the operating part 30 are installed between the two side plates 25 together, the sample punch 40 is sleeved into the sleeve 28, the spring 29 is installed on the top of the sample punch 40 in the sleeve 28, and the blocking cover 281 is installed to limit the top of the spring 29. When punching is needed, the lower clamping part 10 and the upper clamping part 20 are firstly opened, the upper clamping piece 21 and the lower clamping piece 11 are clamped at the edge of the box body, the conical head 42 of the sample punch 40 is aligned to the position of the punching needed point, the handle 32 is pulled, the cam 31 rotates around the rotating shaft 27, the sample punch 40 is pushed upwards along with the sliding groove 34 through the boss 43 along with the rotation of the cam 31, when the boss 43 is pushed to the top of the impact groove 35 through the rotation of the cam 31, the sample punch 40 impacts downwards under the action of the spring 29, and punching work is completed at the edge of the box body. At this time, the force of the impact point is adjusted through the elastic coefficient of the spring 29 and the curve of the cam 31, and after the adjustment is finished, the force of the impact point can be kept consistent without worrying about the problems caused by too large or too small force.
The above embodiments mainly describe the positioning tool for the edge hole of the transformer tank of the present invention. While only a limited number of embodiments and features have been described, those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, and various modifications and alternative arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (4)
1. The utility model provides a transformer box edge hole positioning tool, including lower clamping part (10), go up clamping part (20), control portion (30) and appearance towards (40), a serial communication port, clamping part (10) and last clamping part (20) are articulated each other down, can rotate each other, control portion (30) is installed on last clamping part (20), appearance towards (40) is installed on last clamping part (20) and is controld by control portion (30), lower clamping part (10) are including lower clamping piece (11), lower rocking arm (12), lower handle (13) and right connection boss (14), lower clamping piece (11) have a pair ofly, lower rocking arm (12) are connected in two lower clamping piece (11) bottoms, the other end of lower rocking arm (12) has lower handle (13), the joining region of lower rocking arm (12) and lower handle (13) is right connection boss (14), go up clamping part (20) including last clamping piece (21), The upper rocker arm (22), the upper handle (23), the left connecting boss (24), the side plates (25), the portal frame (26), the rotating shaft (27), the sleeve (28) and the spring (29), the structural forms of the upper rocker arm (12), the upper clamping piece, the upper handle (23) and the left connecting boss (24) are consistent with the corresponding technical characteristics of the lower clamping part (10), the whole structure of the upper rocker arm is symmetrical to that of the lower clamping part (10) along the central plane, the upper clamping part (20) and the lower clamping part (10) are hinged with the right connecting boss (14) through the left connecting boss (24) and can rotate mutually, the upper clamping piece (21) is also provided with a pair, the inner sides of the pair of upper clamping pieces (21) are respectively provided with one side plate (25), the side plates (25) are upwards connected with the portal frame (26), the rotating shaft (27) is arranged between the side plates (25), the central part of the portal frame (26) is provided with the downward through sleeve (28), and the sample punch (40) is arranged in the sleeve (28), the top of the sleeve (28) is provided with a blocking cover (281), a spring (29) is installed in the sleeve (28), the spring (29) is covered in the sleeve (28) by the blocking cover (281), the operation part (30) comprises a cam (31), a handle (32), a side hole (33), a sliding groove (34) and an impact groove (35), the side part of the cam (31) is provided with the side hole (33), the farther the direction of the curve of the cam (31) away from the side hole (33) is away from the side hole (33), the middle part of the cam (31) is provided with a through groove, a sample punch (40) is installed in the through groove, the bottom of the rear side of the cam (31) is provided with the handle (32), the cam (31) at two sides of the through groove are connected into a whole by the handle (32), the sliding groove (34) is arranged on the inner side of the upper edge of the cam (31), the sliding groove (34) is in the shape of downward deviation of the shape of the upper edge of the cam (31), the impact groove (35) is arranged at the rear end of the sliding groove (34) at equal distance, the angle of impact groove (35) needs special design, when cam (31) upwards rotates around lateral part hole (33) to spout (34) and impact groove (35) intersect and be located the peak, the direction of impacting groove (35) is just in time vertical downwards, appearance is dashed (40) and is included mobile jib (41), conical head (42) and boss (43), mobile jib (41) are installed in sleeve (28), spring (29) are installed in mobile jib (41) top, mobile jib (41) bottom has conical head (42), conical head (42) are at box edge surface punching hole point, mobile jib (41) middle part both sides have boss (43), boss (43) are installed in spout (34).
2. An edge hole positioning tool of a transformer tank body as claimed in claim 1, wherein the lower rocker arm (12) is of an arc-shaped forked structure, and two ends of the forked lower rocker arm (12) are connected to the bottoms of the two lower clamping pieces (11).
3. A transformer tank edge hole locating tool according to claim 1, characterised in that the connection of the rotating shaft (27) on the side plate (25) is a welded or detachable connection.
4. A transformer tank edge hole locating tool according to claim 1, characterised in that the handle (32) is turned upwards through the middle of the upper swing arm (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028125.7A CN112117114B (en) | 2020-09-26 | 2020-09-26 | Transformer box body edge hole positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011028125.7A CN112117114B (en) | 2020-09-26 | 2020-09-26 | Transformer box body edge hole positioning tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112117114A CN112117114A (en) | 2020-12-22 |
| CN112117114B true CN112117114B (en) | 2022-02-15 |
Family
ID=73798095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011028125.7A Active CN112117114B (en) | 2020-09-26 | 2020-09-26 | Transformer box body edge hole positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112117114B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115579231B (en) * | 2022-11-27 | 2024-07-23 | 华智源电气集团股份有限公司 | Transformer lining processing clamp |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1974996A1 (en) * | 2006-12-06 | 2008-10-01 | Zhejiang Topsun Logistic Control Co., Ltd. | F-shaped clamp for positioning cargo and method of making the same |
| CN104227689A (en) * | 2014-09-12 | 2014-12-24 | 国家电网公司 | Slide-bar punching positioning device |
| WO2015149060A2 (en) * | 2014-03-28 | 2015-10-01 | Punch Point Tools, L.L.C. | Method and apparatus for installing alarm systems and door locks |
| CN205343089U (en) * | 2015-12-22 | 2016-06-29 | 常州齐丰机械电子有限公司 | Anvil mould |
| CN109014925A (en) * | 2018-07-25 | 2018-12-18 | 芜湖易测自动化设备有限公司 | A kind of punch device for electric fittings |
| EP3463763A1 (en) * | 2016-05-31 | 2019-04-10 | Solberg, Dan | Tool for transferring positions of measurement references and method for same |
| CN111299873A (en) * | 2019-12-25 | 2020-06-19 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Positioner is used in laser-beam drilling machine production |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4771057B2 (en) * | 2005-02-15 | 2011-09-14 | カール事務器株式会社 | Punch auxiliary tool and punch with auxiliary tool |
| US7654183B2 (en) * | 2006-01-23 | 2010-02-02 | Worktools, Inc. | Compact heavy duty hole punch |
| JP5920376B2 (en) * | 2014-02-21 | 2016-05-18 | 株式会社デンソー | solenoid |
-
2020
- 2020-09-26 CN CN202011028125.7A patent/CN112117114B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1974996A1 (en) * | 2006-12-06 | 2008-10-01 | Zhejiang Topsun Logistic Control Co., Ltd. | F-shaped clamp for positioning cargo and method of making the same |
| WO2015149060A2 (en) * | 2014-03-28 | 2015-10-01 | Punch Point Tools, L.L.C. | Method and apparatus for installing alarm systems and door locks |
| CN104227689A (en) * | 2014-09-12 | 2014-12-24 | 国家电网公司 | Slide-bar punching positioning device |
| CN205343089U (en) * | 2015-12-22 | 2016-06-29 | 常州齐丰机械电子有限公司 | Anvil mould |
| EP3463763A1 (en) * | 2016-05-31 | 2019-04-10 | Solberg, Dan | Tool for transferring positions of measurement references and method for same |
| CN109014925A (en) * | 2018-07-25 | 2018-12-18 | 芜湖易测自动化设备有限公司 | A kind of punch device for electric fittings |
| CN111299873A (en) * | 2019-12-25 | 2020-06-19 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Positioner is used in laser-beam drilling machine production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112117114A (en) | 2020-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112117114B (en) | Transformer box body edge hole positioning tool | |
| GB2187125A (en) | Punch press | |
| CN102513415B (en) | Positioning device used in bending forming of sheet metal | |
| KR20020071428A (en) | Rotary cam driving apparatus for negative-angle forming die | |
| CN205183385U (en) | Stamping workpiece surface pit prosthetic devices | |
| CN206492860U (en) | A kind of diel with rotation positioning molding device in mould | |
| CN109138850B (en) | Amplitude-variable rotating mechanism | |
| CN207914430U (en) | A kind of automobile precision pressing and bending recalls to bullet structure mold | |
| CN207479440U (en) | A kind of ejection unit mechanism for mold | |
| CN201164947Y (en) | Anti-concave cutting device for pipe bender | |
| CN205523160U (en) | Novel bookbinding machine | |
| CN216421732U (en) | Multifunctional diesel engine connecting rod machining and positioning device | |
| CN108637078A (en) | A kind of piercing on rectangular tube device and technique | |
| CN208450334U (en) | A kind of piercing on rectangular tube device | |
| CN208542804U (en) | A kind of reversed compound punching apparatus | |
| CN208962461U (en) | Adjustable hot plate machine | |
| CN212598255U (en) | Aluminum plate pass punching machine | |
| CN207996928U (en) | A kind of punching press side-cutting die | |
| CN207254992U (en) | A kind of round right angle edge-folding mechanism | |
| CN217070799U (en) | Punching device of safety protection box | |
| CN214979079U (en) | Cross axle centering mechanism | |
| CN220073164U (en) | Multi-angle free-adjustment press riveting device | |
| CN217166549U (en) | Continuous perforating device for different apertures of metal piece | |
| CN214348968U (en) | Track shoe notching die convenient to replace | |
| JPS6331861Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A positioning tool for the edge hole of transformer box Effective date of registration: 20221013 Granted publication date: 20220215 Pledgee: Bank of China Limited Chongren sub branch Pledgor: Yum Electric Co.,Ltd. Registration number: Y2022980018397 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230918 Granted publication date: 20220215 Pledgee: Bank of China Limited Chongren sub branch Pledgor: Yum Electric Co.,Ltd. Registration number: Y2022980018397 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Tool for Locating Edge Holes in Transformer Boxes Effective date of registration: 20231023 Granted publication date: 20220215 Pledgee: Bank of China Limited Chongren sub branch Pledgor: Yum Electric Co.,Ltd. Registration number: Y2023980062245 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220215 Pledgee: Bank of China Limited Chongren sub branch Pledgor: Yum Electric Co.,Ltd. Registration number: Y2023980062245 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A transformer box edge hole positioning tool Granted publication date: 20220215 Pledgee: Bank of China Limited Chongren sub branch Pledgor: Yum Electric Co.,Ltd. Registration number: Y2024980032312 |