CN107351002A - One kind orientation ratchet lever group - Google Patents
One kind orientation ratchet lever group Download PDFInfo
- Publication number
- CN107351002A CN107351002A CN201710737038.0A CN201710737038A CN107351002A CN 107351002 A CN107351002 A CN 107351002A CN 201710737038 A CN201710737038 A CN 201710737038A CN 107351002 A CN107351002 A CN 107351002A
- Authority
- CN
- China
- Prior art keywords
- magnet
- ring
- jacking block
- driving end
- ratchet
- 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.)
- Pending
Links
- 210000004907 gland Anatomy 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 3
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 210000003456 pulmonary alveoli Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 4
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/468—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member with possibility of locking the ratchet mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
Abstract
The invention belongs to hardware ＆ tools technical field, discloses a kind of orientation ratchet lever group, it includes driving end, handle and ratchet ring；The driving end and handle are integrally connected；The driving end is provided with the containing tank for laying ratchet ring；The outer ring of the ratchet ring is provided with gear；A crescent is provided with below the containing tank；A root post is provided with the crescent；The column is provided with the jacking block for swinging connection；The other end of the jacking block is placed in the teeth groove between gear；The magnet II and magnet I of Relative distribution are provided between the bottom of the jacking block and crescent；The opposite face of the magnet II and magnet I are homopolarity.The present invention is simple in construction, in-discard Spring Card, using the principle of magnet homopolar-repulsion, realizes the swing of jacking block, and the ratchet spanner for effectively solving prior art has the technical problem in-convenience in use short with service life.
Description
Technical field
The invention belongs to hardware ＆ tools technical field, and in particular to one kind orientation ratchet lever group.
Background technology
Ratchet spanner is a kind of spanner with unidirectional rotation function, can spanner pullover be enclosed on bolt without departing from situation
It is lower that bolt is tightened or unloaded, have the advantages that operating efficiency is fast, working space is narrow and small.
The ratchet spanner of prior art includes wrench body, and body is provided with the ratchet ring of rotation connection, ratchet ring it is interior
Circle is provided with bolt pullover, and outer ring is provided with gear, and wrench body is provided with voussoir corresponding with gear, and voussoir is oblique by Spring Card
Gear is adjacent to, gear can only one-directional rotation.This ratchet spanner is although simple in construction, but in use, if spring
Card elastic force is excessive, easily drives bolt to back rotation, to use inconvenience together during pawl wheel；Other Spring Card can also go out
Now get rusty, take off situations such as groove, deformation, elastic force decline, it is inconvenient to be repaired after damage, and service life is shorter.
The content of the invention
Present invention aim to address the ratchet spanner of prior art to have the technical problem in-convenience in use short with service life,
A kind of orientation ratchet lever group is provided, to solve the deficiencies in the prior art.
To achieve these goals, a kind of orientation ratchet lever group of the present invention, it includes driving end, handle and ratchet ring；Institute
State driving end and handle is integrally connected；The driving end is provided with the containing tank for laying ratchet ring；The inner ring of the ratchet ring is set
There is the bolt pullover of set connecting bolt；The outer ring of the ratchet ring is provided with gear；A crescent is provided with below the containing tank；
A root post is provided with the crescent；The column is provided with the jacking block for swinging connection；One end of the jacking block is provided with socket
The circular hole of column, the other end are placed in the teeth groove between gear；Relative distribution is provided between the bottom of the jacking block and crescent
Magnet II and magnet I；The opposite face of the magnet II and magnet I are homopolarity.
Further, one gland of snapping after the driving end installation ratchet ring；It is provided between the gland and driving end
Multiple corresponding bolts hole, are bolted and fasten；The centre of the gland and driving end is respectively equipped with and bolt sleeve
Corresponding socket.
Further, sealing rubber pad is provided between the gland and driving end.
Further, the gland is provided with the spliced eye corresponding with column, after gland is fixedly connected with driving end, stands
In the top insertion spliced eye of post.
Further, the top of the gear and the bottom of teeth groove are curved；The top surface that the jacking block is in contact with teeth groove
For corresponding arc.
Further, the raised locating ring of a circle is provided with the containing tank；The ratchet ring is provided with a circle and positioning
The corresponding locating slot of ring；The locating slot is enclosed on locating ring and is brought into close contact；The locating slot is enclosed on the company of rotation on locating ring
Connect.
Further, the cross section of the locating ring is rectangle, isosceles trapezoid or taper, the cross section of locating slot and positioning
Ring is identical.
Further, the jacking block is respectively equipped with the groove for laying magnet II and magnet I, magnet II and magnet with crescent
After I insertion grooves respectively with jacking block and crescent show it is concordant.
Further, the magnet II and magnet I use ndfeb magnet.
Further, the magnet II is identical with magnet I materials, consists of the following composition（According to percentage by weight）：
Major ingredient is：Rare earth metal neodymium 29-33%；Metallic elements of ferrum 64-69%；Nonmetalloid boron 1-1.2%；Auxiliary material is：Aluminium
0.3-0.5%；Copper 0.05-0.15%；Dysprosium 0.5-1.2%；Praseodymium 0.2-0.5%；Niobium 0.1-0.4%.
Preparation method is：
（1）Major ingredient and auxiliary material are added in smelting furnace according to aforementioned proportion, by more than 1600 DEG C high melts, shape after cooling
Into first material；
（2）First material is milled into more than 155 mesh powders in grinding mill；
（3）By the powder milled, extrusion forming, shape use rectangle or ellipse, thickness 2-3mm in a mold；
（4）The first material of extrusion forming is tempered sintering；
（5）Magnetic detection is carried out, size is screened after detection is qualified；
（6）The certified products filtered out carry out zinc-plated processing, form magnet finished product；
（7）The gluing in the groove of jacking block and crescent, magnet finished product is placed in groove and is adhesively fixed（During installation, top is paid attention to
The magnet opposite face of block and crescent is homopolarity）.
The present invention is simple in construction, in-discard Spring Card, using the principle of magnet homopolar-repulsion, realizes the pendulum of jacking block
Dynamic, there is the technical problem in-convenience in use short with service life in the ratchet spanner for effectively solving prior art.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is Fig. 1 A portions enlarged diagram；
Fig. 3 is left view decomposing schematic representation.
1, driving end 2 in figure, bolt hole 3, containing tank 4, ratchet ring 5, bolt pullover 6, gear 7, crescent 8,
Magnet I 9, column 10, handle 11, magnet II 12, jacking block 13, bolt 14, rubber blanket 15, locating slot 16, socket
17th, gland 18, locating ring 19, teeth groove.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
According to Fig. 1 and Fig. 2, a kind of orientation ratchet lever group of the present invention, it includes driving end 1, handle 10 and ratchet ring 4；Institute
State driving end 1 and handle 10 is integrally connected；The driving end 1 is provided with the containing tank 3 for laying ratchet ring 4；The ratchet ring
Inner ring is provided with bolt pullover 5；The outer ring of the ratchet ring is provided with gear 6；A crescent 7 is provided with below the containing tank；
A root post 9 is provided with the crescent；The column is provided with the jacking block 12 for swinging connection；One end of the jacking block is provided with set
The circular hole of column is connect, the other end is placed in the teeth groove 19 between gear 6；It is provided between the bottom of the jacking block 12 and crescent 7
The magnet II11 and magnet I8 of Relative distribution；The opposite face of the magnet II and magnet I are homopolarity.
When turning bolt, jacking block holds out against teeth groove, and the bolt sleeve head of ratchet ring drives bolt to rotate；Ratchet ring rotates in return
When, the top of jacking block slips over gear in teeth groove, magnet II11 by magnet I8 repulsive force, from the side oscillation of trend ratchet ring one,
It is adjacent into next teeth groove, and with teeth groove；Pawl wheel is realized, and is worked continuously.
According to Fig. 3, the driving end 1 installs one gland 17 of snapping after ratchet ring 4；Set between the gland and driving end
There are multiple corresponding bolts hole 2, connect and fasten by bolt 13；The centre of the gland and driving end is respectively equipped with and spiral shell
The corresponding socket 16 of bolt pullover.Realize the sealing and fixation to ratchet ring.
Sealing rubber pad 14 is provided between the gland 17 and driving end 1.
The gland 17 is provided with the spliced eye corresponding with column 9, after gland is fixedly connected with driving end, the top of column
In portion's insertion spliced eye.The upper and lower ends of column realize fixation, when turning bolt, can ensure that the support of column is strong
Degree.
The top of the gear 6 and the bottom of teeth groove 19 are curved；The top surface that the jacking block 12 is in contact with teeth groove is phase
Corresponding arc.The top surface of gear, teeth groove and jacking block is set to cambered surface, it is possible to reduce frictional force during rotation, and when turning, add
The big lifting surface area of jacking block and teeth groove, situations such as reduction is broken.
The raised locating ring 18 of a circle is provided with the containing tank 3；It is relative with locating ring that the ratchet ring 4 is provided with a circle
The locating slot 15 answered；The locating slot is enclosed on locating ring and is brought into close contact；The locating slot is enclosed on locating ring and is rotatablely connected.
The cross section of the locating ring 18 is rectangle, isosceles trapezoid or taper, cross section and the locating ring phase of locating slot 15
Together.
Ratchet ring rotates when rotating around locating ring, avoids gear and friction is contacted with containing tank, ratchet ring will not also be sent out
Life is rocked, and adds the precision of ratchet ring.
The jacking block 12 is respectively equipped with the groove for laying magnet II11 and magnet I8 with crescent 7, and magnet II and magnet I are embedding
Enter after groove respectively with jacking block and crescent show it is concordant.It is easy to the assembling of each part, and occupies less area.
The magnet II11 and magnet I8 use ndfeb magnet.With permanent magnetism, preferable magnetic force, top can be ensured
Block 12 is brought into close contact with teeth groove.
The magnet II is identical with magnet I materials, consists of the following composition（According to percentage by weight）：
Major ingredient is：Rare earth metal neodymium 29-33%；Metallic elements of ferrum 64-69%；Nonmetalloid boron 1-1.2%；Auxiliary material is：Aluminium
0.3-0.5%；Copper 0.05-0.15%；Dysprosium 0.5-1.2%；Praseodymium 0.2-0.5%；Niobium 0.1-0.4%.
Preparation method is：
（1）Major ingredient and auxiliary material are added in smelting furnace according to aforementioned proportion, by more than 1600 DEG C high melts, shape after cooling
Into first material；
（2）First material is milled into more than 155 mesh powders in grinding mill；
（3）By the powder milled, extrusion forming, shape use rectangle or ellipse, thickness 2-3mm in a mold；
（4）The first material of extrusion forming is tempered sintering；
（5）Magnetic detection is carried out, size is screened after detection is qualified；
（6）The certified products filtered out carry out zinc-plated processing, form magnet finished product；
（7）The gluing in the groove of jacking block and crescent, magnet finished product is placed in groove and is adhesively fixed（During installation, top is paid attention to
The magnet opposite face of block and crescent is homopolarity）.
The present invention is simple in construction, in-discard Spring Card, using the principle of magnet homopolar-repulsion, realizes the pendulum of jacking block
Dynamic, there is the technical problem in-convenience in use short with service life in the ratchet spanner for effectively solving prior art.
Claims (10)
1. one kind orientation ratchet lever group, it includes driving end（1）, handle（10）And ratchet ring（4）；The driving end（1）And handle
Hand（10）It is integrally connected；The driving end（1）It is provided with and lays ratchet ring（4）Containing tank（3）；The inner ring of the ratchet ring is set
There is bolt pullover（5）；The outer ring of the ratchet ring is provided with gear（6）；A crescent is provided with below the containing tank（7）；
A root post is provided with the crescent（9）；The column is provided with the jacking block for swinging connection（12）；One end of the jacking block is set
There is the circular hole of socket column, the other end is placed in gear（6）Between teeth groove（19）In；Characterized in that, the jacking block（12）With
Crescent（7）Bottom between be provided with Relative distribution magnet II（11）With magnet I（8）；The magnet II's and magnet I is relative
Face is homopolarity.
A kind of 2. orientation ratchet lever group according to claim 1, it is characterised in that：The driving end（1）Ratchet ring is installed
（4）One gland of snapping afterwards（17）；Multiple corresponding bolts hole are provided between the gland and driving end（2）, pass through bolt
（13）Connection and fastening；The centre of the gland and driving end is respectively equipped with the socket corresponding with bolt pullover（16）.
A kind of 3. orientation ratchet lever group according to claim 2, it is characterised in that：The gland（17）With driving end（1）
Between be provided with sealing rubber pad（14）.
A kind of 4. orientation ratchet lever group according to claim 2, it is characterised in that：The gland（17）It is provided with and column
（9）Corresponding spliced eye, after gland is fixedly connected with driving end, in the top insertion spliced eye of column.
A kind of 5. orientation ratchet lever group according to claim 1, it is characterised in that：The gear（6）Top and teeth groove
（19）Bottom it is curved；The jacking block（12）It is corresponding arc with the top surface that teeth groove is in contact.
A kind of 6. orientation ratchet lever group according to claim 1, it is characterised in that：The containing tank（3）Inside it is provided with a circle
Raised locating ring（18）；The ratchet ring（4）It is provided with the circle locating slot corresponding with locating ring（15）；The locating slot
It is enclosed on locating ring and is brought into close contact；The locating slot is enclosed on locating ring and is rotatablely connected.
A kind of 7. orientation ratchet lever group according to claim 6, it is characterised in that：The locating ring（18）Cross section be
Rectangle, isosceles trapezoid or taper, the cross section of locating slot（15）It is identical with locating ring.
A kind of 8. orientation ratchet lever group according to claim 1, it is characterised in that：The jacking block（12）With crescent（7）
It is respectively equipped with and lays magnet II（11）With magnet I（8）Groove, magnet II and magnet I insertion groove after respectively with jacking block and the moon
Showing for alveolus is concordant.
A kind of 9. orientation ratchet lever group according to claim 8, it is characterised in that：The magnet II（11）With magnet I（8）
Using ndfeb magnet.
A kind of 10. orientation ratchet lever group according to claim 9, it is characterised in that magnet II and magnet the I material phases
Together, consist of the following composition（According to percentage by weight）：
Major ingredient is：Rare earth metal neodymium 29-33%；Metallic elements of ferrum 64-69%；Nonmetalloid boron 1-1.2%；Auxiliary material is：Aluminium
0.3-0.5%；Copper 0.05-0.15%；Dysprosium 0.5-1.2%；Praseodymium 0.2-0.5%；Niobium 0.1-0.4%；
Preparation method is：
（1）Major ingredient and auxiliary material are added in smelting furnace according to aforementioned proportion, by more than 1600 DEG C high melts, shape after cooling
Into first material；
（2）First material is milled into more than 155 mesh powders in grinding mill；
（3）By the powder milled, extrusion forming, shape use rectangle or ellipse, thickness 2mm in a mold；
（4）The first material of extrusion forming is tempered sintering；
（5）Magnetic detection is carried out, size is screened after detection is qualified；
（6）The certified products filtered out carry out zinc-plated processing, form magnet finished product；
（7）The gluing in the groove of jacking block and crescent, magnet finished product is placed in groove and is adhesively fixed（During installation, top is paid attention to
The magnet opposite face of block and crescent is homopolarity）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737038.0A CN107351002A (en) | 2017-08-24 | 2017-08-24 | One kind orientation ratchet lever group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710737038.0A CN107351002A (en) | 2017-08-24 | 2017-08-24 | One kind orientation ratchet lever group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107351002A true CN107351002A (en) | 2017-11-17 |
Family
ID=60289274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710737038.0A Pending CN107351002A (en) | 2017-08-24 | 2017-08-24 | One kind orientation ratchet lever group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107351002A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166416A1 (en) * | 2001-05-14 | 2002-11-14 | Bobby Hu | Easy-to-operate and easy-to-assemble ratcheting-type wrench |
| TW200640618A (en) * | 2005-05-16 | 2006-12-01 | Chuan-Fu Wu | Ratchet wrench which is restored by magnetic force |
| CN2923202Y (en) * | 2006-06-27 | 2007-07-18 | 沈际明 | Ratchet spanner |
| CN201184402Y (en) * | 2008-02-19 | 2009-01-21 | 刘杰 | Permanent magnetism magnet apparatus for ratchet pawl reset |
| CN202377951U (en) * | 2011-12-19 | 2012-08-15 | 马国保 | Detachable sleeve spanner |
| CN202716194U (en) * | 2012-06-26 | 2013-02-06 | 陈淑汝 | Adjustable ratchet wrench structure of multiple specifications |
| CN104275487A (en) * | 2014-08-26 | 2015-01-14 | 宁波鑫丰磁业有限公司 | Preparation method of sintered NdFeB added with MM alloy |
| CN207206275U (en) * | 2017-08-24 | 2018-04-10 | 杭州佳联机械制造有限公司 | One kind orientation ratchet lever group |
-
2017
- 2017-08-24 CN CN201710737038.0A patent/CN107351002A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020166416A1 (en) * | 2001-05-14 | 2002-11-14 | Bobby Hu | Easy-to-operate and easy-to-assemble ratcheting-type wrench |
| TW200640618A (en) * | 2005-05-16 | 2006-12-01 | Chuan-Fu Wu | Ratchet wrench which is restored by magnetic force |
| CN2923202Y (en) * | 2006-06-27 | 2007-07-18 | 沈际明 | Ratchet spanner |
| CN201184402Y (en) * | 2008-02-19 | 2009-01-21 | 刘杰 | Permanent magnetism magnet apparatus for ratchet pawl reset |
| CN202377951U (en) * | 2011-12-19 | 2012-08-15 | 马国保 | Detachable sleeve spanner |
| CN202716194U (en) * | 2012-06-26 | 2013-02-06 | 陈淑汝 | Adjustable ratchet wrench structure of multiple specifications |
| CN104275487A (en) * | 2014-08-26 | 2015-01-14 | 宁波鑫丰磁业有限公司 | Preparation method of sintered NdFeB added with MM alloy |
| CN207206275U (en) * | 2017-08-24 | 2018-04-10 | 杭州佳联机械制造有限公司 | One kind orientation ratchet lever group |
Non-Patent Citations (1)
| Title |
|---|
| 尤哈·皮罗内: "《旋转电机设计》", 30 June 2016, 国防大学出版社 * |
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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 | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180111 Address after: 311225 Peng Yuan village, Yi Peng street, Xiaoshan District, Hangzhou, Zhejiang Applicant after: HANGZHOU JOLLY MACHINERY MANUFACTURING CO.,LTD. Address before: 311201 Hangzhou City, Xiaoshan District, Yi Peng Street Industrial Park (new in the middle of the side, the court after the court of Justice),, nine Applicant before: HANGZHOU JOLLY TOOLS Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |