CN108869500B - Functional bolt - Google Patents
Functional bolt Download PDFInfo
- Publication number
- CN108869500B CN108869500B CN201811064960.9A CN201811064960A CN108869500B CN 108869500 B CN108869500 B CN 108869500B CN 201811064960 A CN201811064960 A CN 201811064960A CN 108869500 B CN108869500 B CN 108869500B
- Authority
- CN
- China
- Prior art keywords
- thread
- bolt
- groove
- unscrewing
- bolt head
- 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
- 238000010079 rubber tapping Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 240000009087 Crescentia cujete Species 0.000 claims 1
- 235000005983 Crescentia cujete Nutrition 0.000 claims 1
- 235000009797 Lagenaria vulgaris Nutrition 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0015—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially rectangular, e.g. one-slot head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0005—Screws that cut thread in the body into which they are screwed, e.g. wood screws of the helical wire type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention provides a functional bolt, which comprises a bolt head, a bolt rod and a unscrewing bolt, wherein the bolt rod is sequentially provided with a self-tapping section, a first thread section, a second thread section and a third thread section from bottom to top, the lower end of the bolt head is provided with a connecting groove, the inner wall of the connecting groove is provided with a first internal thread, the periphery of the outer wall of the connecting groove is adhered with a sealing gasket, the upper side of the bolt head is provided with a platform, a plum blossom groove is arranged in the platform, a circular groove is arranged in the plum blossom groove, a straight groove is arranged in the circular groove, the bolt rod is provided with an inner cavity, the inner wall of the inner cavity is provided with a second internal thread, the unscrewing bolt comprises a unscrewing bolt rod and a unscrewing bolt head, and the unscrewing bolt rod is provided with a first external thread. The functional bolt is suitable for tightening various spanner heads, has long service life and good fastening performance, is also provided with the self-tapping head, can be used as a self-tapping screw, and improves the usability.
Description
[ Field of technology ]
The invention relates to the technical field of fasteners, in particular to a functional bolt.
[ Background Art ]
Bolts are a type of fastener consisting of two parts, namely a bolt head and a screw (a cylinder with external threads), used for fastening two mechanical equipment parts with through holes. Bolts are indispensable in daily life and in the technical fields of sheet metal and machine tool machining. Then the existing bolts generally only have the functions of the bolts, have single functions and can not meet the requirements under other conditions; and the common bolt is only suitable for screwing one spanner head, has low adaptability, can only find one spanner head, can not be screwed when no corresponding spanner head is arranged on the side, and causes certain trouble to screwing work.
[ Invention ]
The invention aims to solve the problems in the prior art, and provides a functional bolt which is suitable for tightening of various spanner heads, long in service life and good in tightness, and meanwhile, a self-tapping head is also arranged, so that the functional bolt can be used as a self-tapping screw, and the service performance is improved.
In order to achieve the above purpose, the invention provides a functional bolt, which comprises a bolt head, a bolt rod and a unscrewing bolt, wherein the bolt rod is sequentially provided with a self-tapping section, a first thread section, a second thread section and a third thread section from bottom to top, the lower end of the bolt head is provided with a connecting groove, the inner wall of the connecting groove is provided with a first internal thread, the first internal thread is matched with the first thread section and the second thread section, the first internal thread is in the same thread direction as the second thread section, the self-tapping section is positioned in the connecting groove, a sealing gasket is adhered on the periphery of the outer wall of the connecting groove, a platform is arranged on the upper side of the bolt head, a plum blossom groove is arranged in the platform, a circular groove is arranged in the plum blossom groove, a linear groove is arranged in the circular groove, the bolt rod is provided with an inner cavity, the inner wall of the inner cavity is provided with a second internal thread, the unscrewing bolt comprises a unscrewing bolt rod and a unscrewing bolt head, the unscrewing bolt rod is provided with a first external thread matched with the second internal thread, and the first external thread is opposite to the unscrewing bolt is integrally formed with the second external thread, and the unscrewing bolt is reversely screwed to the first steering bolt.
Preferably, the lengths of the first thread section and the third thread section are the same, the intervals between the threads of the first thread section and the third thread section are the same, the length of the second thread section is larger than that of the first thread section, the second thread section comprises a plurality of large thread sections and a plurality of small thread sections, the large thread sections and the small thread sections are arranged at intervals, a plurality of large threads are arranged on the large thread sections, a plurality of small threads are arranged on the small thread sections, and the distance between two adjacent large threads is larger than that between two adjacent small threads.
Preferably, the sealing gasket is in a round table shape, the sealing gasket comprises an upper table top, a middle table top and a lower table top, the upper table top is adhered to the lower end of the bolt head in a circle, the inner diameter of the lower table top is larger than the outer diameter of the bolt rod, a high-temperature resistant layer is arranged on the surface of the sealing gasket, and a corrosion resistant layer is arranged on the surface of the high-temperature resistant layer.
Preferably, the bolt head is circular or regular hexagon in shape, a magnet groove is formed in the periphery of the outer wall of the bolt head, a magnet is arranged in the magnet groove, a handle is welded on one side of the bolt head, and the handle is one of circular, square, oval or gourd-shaped.
Preferably, the connecting groove is circular, the outer diameter of the unscrewing bolt head is the same as that of the unscrewing bolt rod, the outer diameter of the unscrewing bolt head is matched with the inner diameter of the connecting groove, the height of the unscrewing bolt head is smaller than or equal to the depth of the connecting groove, the unscrewing bolt head is circular, a second external thread is arranged on the periphery of the outer wall of the unscrewing bolt head, the second external thread is matched with the second internal thread, and a cross groove is formed in the lower end of the unscrewing bolt head.
The invention has the beneficial effects that: according to the invention, the plum blossom groove is arranged at the upper end of the bolt head, the round groove is arranged in the plum blossom groove, and the straight groove is arranged in the round groove, so that the spanner head can be suitable for tightening spanner heads with different shapes; the self-tapping end is arranged at the upper end of the bolt rod, when the self-tapping screw is used as a bolt, the first thread section is in threaded connection with the connecting groove, the self-tapping section is positioned in the connecting groove, and when the self-tapping screw is used as a self-tapping screw, the connecting groove is in threaded connection with the third thread section, so that the self-tapping function of the self-tapping screw is improved, and the practicability of the self-tapping screw is improved.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic view of a functional bolt according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the gasket of the present invention;
FIG. 3 is a schematic view of the structure of the bolt shank of the present invention;
FIG. 4 is a cross-sectional view of the bolt shank of the present invention;
FIG. 5 is a schematic view of the structure of the unscrewing bolt of the present invention;
Fig. 6 is a bottom view of the bolt head of the present invention.
In the figure: 1-bolt head, 2-bolt shank, 3-unscrewing bolt, 11-connecting groove, 12-sealing gasket, 13-platform, 14-magnet, 15-handle, 21-first thread section, 22-second thread section, 23-third thread section, 24-self-tapping section, 25-inner cavity, 31-unscrewing bolt shank, 32-unscrewing bolt head, 111-first internal thread, 121-upper table top, 122-middle table top, 123-lower table top, 131-plum blossom groove, 132-circular groove, 133-straight groove, 221-large thread section, 222-small thread section, 223-large thread, 224-small thread, 251-second internal thread, 311-first external thread, 321-second external thread, 322-cross groove.
[ Detailed description ] of the invention
Referring to fig. 1 to 6, the functional bolt of the present invention comprises a bolt head 1, a bolt rod 2 and a unscrewing bolt 3, wherein the bolt rod 2 is sequentially provided with a self-tapping section 24, a first thread section 21, a second thread section 22 and a third thread section 23 from bottom to top, the lower end of the bolt head 1 is provided with a connecting groove 11, the inner wall of the connecting groove 11 is provided with a first internal thread 111, the first internal thread 111 is matched with the first thread section 21 and the second thread section 22, the thread directions of the first internal thread 111 and the second thread section 22 are the same, the self-tapping section 24 is positioned in the connecting groove 11, a sealing gasket 12 is adhered on one circumference of the outer wall of the connecting groove 11, the upper side of the bolt head 1 is provided with a platform 13, the platform 13 is internally provided with a plum blossom groove 131, the plum blossom groove 131 is internally provided with a circular groove 132, the circular groove 133 is internally provided with a Chinese character' shaped groove 133, the bolt rod 2 is provided with an inner cavity 25, the inner wall of the inner cavity 25 is provided with a second internal thread 251, the unscrewing bolt 3 comprises a unscrewing bolt rod 31 and a unscrewing bolt head 32, the unscrewing bolt rod 31 is provided with a first external thread 311 matched with the second internal thread 251, the rotation direction of the first external thread 311 is opposite to that of the second thread section 22, the unscrewing bolt head 32 and the unscrewing bolt rod 2 are integrally formed, the lengths of the first thread section 21 and the third thread section 23 are the same, the intervals between the threads of the first thread section 21 and the third thread section 23 are the same, the length of the second thread section 22 is greater than the length of the first thread section 21, the second thread section 22 comprises a plurality of large thread sections 221 and a plurality of small thread sections 222, the large thread sections 221 and the small thread sections 222 are arranged at intervals, the large thread sections 221 are provided with a plurality of large threads 223, the small thread sections 222 are provided with a plurality of small threads 224, the distance between two adjacent big screw threads 223 is greater than the distance between two adjacent small screw threads 224, the sealing gasket 12 is round platform shape, the sealing gasket 12 comprises an upper table top 121, a middle table top 122 and a lower table top 123, the upper table top 121 is adhered to the lower end of the bolt head 1 in a circle, the inner diameter of the lower table top 123 is greater than the outer diameter of the bolt rod 2, a high temperature resistant layer is arranged on the surface of the sealing gasket 12, a corrosion resistant layer is arranged on the surface of the high temperature resistant layer, the shape of the bolt head 1 is round or regular hexagon, a magnet groove is arranged in the outer wall in a circle of the bolt head 1, a magnet 14 is arranged in the magnet groove, one side of the bolt head 1 is provided with a handle 15 which is one of round, square, elliptic or gourd-shaped, the connecting groove 11 is round, the outer diameter of the unscrewing bolt head 32 is identical to the outer diameter of the unscrewing bolt rod 31, the outer diameter of the unscrewing bolt head 32 is matched with the inner diameter of the connecting groove 11, the height of the unscrewing bolt head 32 is smaller than or equal to the depth of the connecting groove 11, the magnet groove is arranged in a circle, the magnet groove is arranged in the cross 321, the outer wall 321 of the unscrewing bolt head is provided with the second outer wall of the screw groove 32, and the outer wall of the unscrewing bolt head is provided with the second screw thread is provided with the second round groove 322, and the outer thread is matched with the outer thread of the outer screw groove and the outer screw 32.
The working process of the invention comprises the following steps:
In the working process of the functional bolt, the plum blossom groove 131 is arranged at the upper end of the bolt head 1, the round groove 132 is arranged in the plum blossom groove 131, and the straight groove 133 is arranged in the round groove 132, so that the functional bolt can adapt to tightening of spanner heads with different shapes; when the self-tapping screw is used as a bolt, the first threaded section 21 is in threaded connection with the connecting groove 11, the self-tapping section 24 is positioned in the connecting groove 11, when the self-tapping screw needs to be disassembled, the bolt head 1 and the bolt 2 are firstly in threaded disassembly, then the unscrewed bolt 3 and the inner cavity 25 are firstly in threaded separation, as the first external thread 311 of the unscrewed bolt 3 and the second threaded section 22 are opposite in rotation, the second threaded section 22 is in a counterclockwise direction due to the fact that the first external thread 311 is in a clockwise direction, otherwise, the unscrewed bolt 3 is screwed out of the inner cavity 25 in a clockwise or counterclockwise direction, the second threaded section 22 is kept in tightness of connection with an object in a counterclockwise or clockwise direction, and then the unscrewed bolt 3 is inserted into the inner cavity 25 to be screwed in the clockwise or counterclockwise direction, and then the second threaded section 22 is separated from the material in a counterclockwise or clockwise direction until the connection is completely separated from the inner cavity 25; when the self-tapping screw is used, the connecting groove 11 is in threaded connection with the third threaded section 23, so that the self-tapping function of the self-tapping screw is increased, the practicability of the self-tapping screw is improved, and if the self-tapping screw is required to be disassembled, the self-tapping screw is identical to the step when the self-tapping screw is used as a bolt; the magnet 14 and the handle 15 can fix the invention, so that the loss probability is reduced; the provision of the gasket 12 improves the sealing property of the connection portion when the present invention is connected to an object.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (4)
1. A functional bolt, characterized in that: including bolt head (1), shank of bolt (2) and unscrewing bolt (3), shank of bolt (2) are equipped with self-tapping section (24), first screw thread section (21), second screw thread section (22), third screw thread section (23) from supreme in proper order down, the lower extreme of bolt head (1) is equipped with spread groove (11), the inner wall of spread groove (11) is equipped with first internal thread (111), first internal thread (111) are with first screw thread section (21) and second screw thread section (22) assorted, the screw thread direction of first internal thread (111) and second screw thread section (22) is the same, self-tapping section (24) are located spread groove (11), the outer wall week of spread groove (11) bonds there is sealed pad (12), the upside of bolt head (1) is equipped with platform (13), be equipped with plum blossom groove (131) in platform (13), be equipped with circular groove (132) in plum blossom groove (131), be equipped with one word (132) in circular groove (132), shank of bolt (25) are equipped with inner chamber (25) and unscrewing bolt (32) are equipped with inner chamber (31), the novel screw bolt is characterized in that a first external thread (311) matched with a second internal thread (251) is arranged on the unscrewing bolt rod (31), the steering direction of the first external thread (311) is opposite to that of the second thread (22), the unscrewing bolt head (32) and the unscrewing bolt rod (31) are integrally formed, the lengths of the first thread (21) and the third thread (23) are identical, the intervals between the threads of the first thread (21) and the third thread (23) are also identical, the length of the second thread (22) is greater than that of the first thread (21), the second thread (22) comprises a plurality of large thread segments (221) and a plurality of small thread segments (222), the large thread segments (221) and the small thread segments (222) are arranged at intervals, a plurality of large threads (223) are arranged on the large thread segments (221), a plurality of small threads (224) are arranged on the small thread segments (222), and the distances between two adjacent large threads (223) are greater than the distances between two adjacent small threads (224).
2. A functional bolt according to claim 1, wherein: the sealing gasket (12) is in a round table shape, the sealing gasket (12) comprises an upper table top (121), a middle table top (122) and a lower table top (123), the upper table top (121) is adhered to the lower end of the bolt head (1) in a circle, the inner diameter of the lower table top (123) is larger than the outer diameter of the bolt rod (2), a high-temperature resistant layer is arranged on the surface of the sealing gasket (12), and a corrosion-resistant layer is arranged on the surface of the high-temperature resistant layer.
3. A functional bolt according to claim 1, wherein: the shape of the bolt head (1) is circular or regular hexagon, a magnet groove is formed in the periphery of the outer wall of the bolt head (1), a magnet (14) is arranged in the magnet groove, a handle (15) is welded on one side of the bolt head (1), and the handle (15) is one of circular, square, oval or calabash.
4. A functional bolt according to claim 1, wherein: the connecting groove (11) is circular, the outer diameter of the unscrewing bolt head (32) is the same as that of the unscrewing bolt rod (31), the outer diameter of the unscrewing bolt head (32) is matched with the inner diameter of the inner wall of the inner cavity (25), the height of the unscrewing bolt head (32) is smaller than or equal to the depth of the connecting groove (11), the unscrewing bolt head (32) is circular, a second external thread (321) is arranged on the periphery of the outer wall of the unscrewing bolt head (32), the second external thread (321) is matched with a second internal thread (251), and a cross groove (322) is formed in the lower end of the unscrewing bolt head (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064960.9A CN108869500B (en) | 2018-09-13 | 2018-09-13 | Functional bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064960.9A CN108869500B (en) | 2018-09-13 | 2018-09-13 | Functional bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108869500A CN108869500A (en) | 2018-11-23 |
| CN108869500B true CN108869500B (en) | 2024-05-07 |
Family
ID=64324151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811064960.9A Active CN108869500B (en) | 2018-09-13 | 2018-09-13 | Functional bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108869500B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202391906U (en) * | 2011-12-01 | 2012-08-22 | 郭泽和 | Nut with internal thread and external thread in opposite direction |
| CN104696344A (en) * | 2013-12-10 | 2015-06-10 | 大连顺杰机械有限公司 | Fastening piece for preventing looseness |
| CN205744837U (en) * | 2016-06-23 | 2016-11-30 | 海盐瑞利紧固件有限公司 | A kind of anti-loosening bolt |
| WO2017136801A1 (en) * | 2016-02-07 | 2017-08-10 | Huwais IP Holding LLC | Anchor screw with condensing attributes |
| CN107630893A (en) * | 2017-09-02 | 2018-01-26 | 宁波市镇海甬鼎紧固件制造有限公司 | A kind of bolt of adjustable in length |
| CN107795562A (en) * | 2017-11-20 | 2018-03-13 | 长沙翼希网络科技有限公司 | Fastening bolt |
| CN212455138U (en) * | 2018-09-13 | 2021-02-02 | 浙江超博尔五金股份有限公司 | Functional bolt |
-
2018
- 2018-09-13 CN CN201811064960.9A patent/CN108869500B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202391906U (en) * | 2011-12-01 | 2012-08-22 | 郭泽和 | Nut with internal thread and external thread in opposite direction |
| CN104696344A (en) * | 2013-12-10 | 2015-06-10 | 大连顺杰机械有限公司 | Fastening piece for preventing looseness |
| WO2017136801A1 (en) * | 2016-02-07 | 2017-08-10 | Huwais IP Holding LLC | Anchor screw with condensing attributes |
| CN205744837U (en) * | 2016-06-23 | 2016-11-30 | 海盐瑞利紧固件有限公司 | A kind of anti-loosening bolt |
| CN107630893A (en) * | 2017-09-02 | 2018-01-26 | 宁波市镇海甬鼎紧固件制造有限公司 | A kind of bolt of adjustable in length |
| CN107795562A (en) * | 2017-11-20 | 2018-03-13 | 长沙翼希网络科技有限公司 | Fastening bolt |
| CN212455138U (en) * | 2018-09-13 | 2021-02-02 | 浙江超博尔五金股份有限公司 | Functional bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108869500A (en) | 2018-11-23 |
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| 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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190523 Address after: 314300 No. 6 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: ZHEJIANG CHAOBOER HARDWARE Co.,Ltd. Address before: 314300 No. 6 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: Gan Jianguo |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 314300 No. 6 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Zhejiang Chaobol Hardware Co.,Ltd. Address before: 314300 No. 6 Jincheng Road, Qinshan Industrial Zone, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: ZHEJIANG CHAOBOER HARDWARE Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |