CN103062244A - Novel multipurpose high-torque two-way ratchet wheel - Google Patents
Novel multipurpose high-torque two-way ratchet wheel Download PDFInfo
- Publication number
- CN103062244A CN103062244A CN2011103221996A CN201110322199A CN103062244A CN 103062244 A CN103062244 A CN 103062244A CN 2011103221996 A CN2011103221996 A CN 2011103221996A CN 201110322199 A CN201110322199 A CN 201110322199A CN 103062244 A CN103062244 A CN 103062244A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- fluted disc
- ratchet wheel
- overcoat
- teeth
- 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.)
- Granted
Links
Images
Landscapes
- Mechanical Operated Clutches (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a novel multipurpose high-torque two-way ratchet wheel with a clockwise rotation operating state, a counterclockwise rotation operating state and a fixed operating state. The ratchet wheel comprises a ratchet wheel body, a mandrel, a fluted disc, an outer sleeve, a first pair of ratchets and a second pair of ratchets. One end of the ratchet wheel body forms a connecting part used for connecting external tools, a hollow tooth slot is formed in the radial middle part of the ratchet wheel body, the fluted disc can exactly be movably placed inside the tooth slot, an upper circle of teeth and a lower circle of teeth are respectively arranged on the upper surface of the fluted disc and the lower surface of the fluted disc, and the outer sleeve conducts reciprocating rotation and just drives the first pair of the ratchets and the second pair of the ratchets to alternatively mesh with and jointly mesh with one of the upper circle of the teeth and the lower circle of the teeth. The novel multipurpose high-torque two-way ratchet wheel is simple in structure, convenient to operate, and capable of increasing the torque and improving work efficiency.
Description
Technical field
The present invention relates to a kind of ratchet unit field, a kind of Novel multipurpose high-torsion bi-directional ratchet wheel specifically is provided.
Background technique
The instruments such as more existing screw-drivers, handle, quick release coupling grip handle with palm in use usually, and continue rotation, drive pulling part by handle and rotate to loosen, tighten bolt.When these instruments used, the user need to constantly do the action that loosens, tighten palm and operate handle and drive pulling part and loosen, tighten bolt, thus use very inconvenient.
Summary of the invention
In order to overcome defects, the invention provides a kind of Novel multipurpose high-torsion bi-directional ratchet wheel.This device is easy to operate, can add high pulling torque, increases work efficiency.
The present invention for the technological scheme that solves its technical problem and adopt is: a kind of Novel multipurpose high-torsion bi-directional ratchet wheel, this ratchet has the working state of turning clockwise, is rotated counterclockwise working state and steady job state, and described ratchet comprises body, mandrel, fluted disc, overcoat and first and second is to ratchet; Described body is cylindrical and it axially is provided with axis hole between two parties, one end of described body is formed with for the joint that connects external tool, described body and this joint concentric, the radially middle part of described body offers the tooth slot of a hollow out, described fluted disc be able to be movably placed in the described tooth slot, and described fluted disc thereon, on the lower surface respectively correspondence be provided with upper and lower circle teeth; The peripheral side face of described body is provided with described first and second ratchet is complementary and not connected teeth groove, is equipped with the first Compress Spring in this teeth groove;
Described first pair of ratchet is comprised of first and second ratchet, described second pair of ratchet is comprised of third and fourth ratchet, under the effect of the first Compress Spring, the tooth section of two ratchets in the every pair of ratchet is engaged in the upper and lower circle teeth of described fluted disc respectively, and described first and second can also be done circular motion around the center of its head respectively to ratchet in its corresponding teeth groove;
Described mandrel is actively located in described body dorsad on the end and axle center that spline is positioned described fluted disc of its joint, described overcoat and described body be complementary and axial retention and circumferencial direction can rotating sleeve to be located at described body peripheral, the inwall of described overcoat is provided with and described first, two pairs of spaces, location that ratchet is corresponding, described first, also be equipped with operand on the surface of two pairs of ratchets, this operand can be resisted against space, described location, and the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of in the lower circle teeth.Wherein said select an engagement and common engagement respectively corresponding described ratchet the working state that turns clockwise, be rotated counterclockwise working state and steady job state.
As a further improvement on the present invention, described teeth groove is comprised of a holding part and a spring groove, described holding part be able to be contained in the head of described ratchet, one end of described the first Compress Spring is located in the described spring groove, and the tooth section that the other end of described the first Compress Spring is resisted against described ratchet is a side of described fluted disc dorsad.
As a further improvement on the present invention, the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of structure in the lower circle teeth is: also be provided with three locating slots on the inwall of described overcoat, also be provided with a blind hole on the outside circumference of described body, be provided with the second Compress Spring in this blind hole, one end of described the second Compress Spring is resisted against described blind hole inwall, the other end of described the second Compress Spring is resisted against steel ball, described steel ball can protrude from described blind hole, and the part that described steel ball protrudes from described blind hole can be placed in one of them locating slot.
As a further improvement on the present invention, the inwall of described overcoat is provided with described first and second structure to the corresponding space, location of ratchet and is: described outer casing inner wall surface is provided with two pairs of recesses, is equipped with an inclined-plane in the inboard of described two pairs of recesses.
As a further improvement on the present invention, also be provided with a pair of block, this is snapped in block on the periphery sides side of hollow part of described tooth slot, in order to fixed gear plate.
As a further improvement on the present invention, also be provided with a protecgulum, described protecgulum closely is nested in a dorsad end of described joint of described overcoat, and described protecgulum center is provided with a through hole, and described mandrel can activity wear through hole.
As a further improvement on the present invention, the described mandrel end that exposes to described body can be connected in the operating end instrument.
As a further improvement on the present invention, the joint of described body is provided with axial bore, in order to external tool.
The invention has the beneficial effects as follows: offer a tooth slot by the middle part at body, fluted disc is placed in the tooth slot; And be provided with ratchet at the peripheral side face of body and be complementary and not connected teeth groove, described first and second be able to be done circular motion in the center around its head to ratchet in described teeth groove, and makes the engagement of remaining valid between ratchet and the fluted disc by the effect of the first Compress Spring; Also be provided with and described first and second location space corresponding to ratchet at the inwall of described overcoat simultaneously; When ratchet is in when turning clockwise working state, the operand of setting on second pair of ratchet is on a pair of inclined-plane, at first operate external operation tool clockwise direction and rotate described mandrel, this mandrel can be with the active toothed disk rotating in same direction, the tooth section of described second pair of ratchet breaks away from upper in described fluted disc, lower circle teeth, the tooth section of described first pair of ratchet is engaged in the upper of described fluted disc, lower circle teeth also rotate with described fluted disc, described first pair of ratchet and then promote described body and overcoat rotates rotates thereby the joint that is used for connecting external tool on the body can drive tool head; When the mandrel turning anticlockwise, then dally for relative body, do not do work; When ratchet is in when being rotated counterclockwise working state, the working state of two pairs of ratchets is just in time opposite with said process, no longer repeats at this; When ratchet was in the steady job state, first and second was engaged in the upper and lower circle teeth of described fluted disc jointly to ratchet, and described mandrel is contrary, equal driven gear rotated together when clockwise direction rotated, so can not dally.The present invention is simple in structure, and is easy to operate, can add high pulling torque, increases work efficiency.
Description of drawings
Fig. 1 is the present invention's structural representation that explodes;
Fig. 2 is structural representation of the present invention;
Fig. 3 is B-B cross-sectional view shown in Figure 2;
Fig. 4 is another structural representation of the present invention;
Fig. 5 is A-A cross-sectional view shown in Figure 4;
Fig. 6 is the part section structural representation of ratchet of the present invention when being in the steady job state;
Fig. 7 is the part section structural representation at another visual angle of ratchet of the present invention when being in the steady job state;
Fig. 8 is that ratchet of the present invention is in the part section structural representation when turning clockwise working state;
Fig. 9 is the part section structural representation that ratchet of the present invention is in another visual angle when turning clockwise working state;
Figure 10 is the part section structural representation of ratchet of the present invention when being rotated counterclockwise working state;
Figure 11 is the part section structural representation at another visual angle of ratchet of the present invention when being rotated counterclockwise working state;
Figure 12 is the part section structural representation of ratchet of the present invention when being three teeth;
Figure 13 is the part section structural representation of ratchet of the present invention when being bidentate;
Structural representation when Figure 14 is ratchet connection fast replacing chuck of the present invention;
Structural representation when Figure 15 is ratchet connecting T-shaped handle of the present invention.
Embodiment
With reference to the accompanying drawings the embodiment of Novel multipurpose high-torsion bi-directional ratchet wheel of the present invention is elaborated.
A kind of Novel multipurpose high-torsion bi-directional ratchet wheel of the present invention, this ratchet has the working state of turning clockwise, is rotated counterclockwise working state and steady job state, technical scope of the present invention is contained and is a plurality of ratchets, for convenience of description, take two pairs of ratchets as example, described ratchet comprises body 7, mandrel 8, fluted disc 9, overcoat 10, first pair of ratchet 3 and second pair of ratchet 4 in the present embodiment; Described body is cylindrical and it axially is provided with axis hole between two parties, one end of described body is formed with for the joint that connects external tool, described body and this joint concentric, the radially middle part of described body offers the tooth slot of a hollow out, described fluted disc 9 be able to be movably placed in the described tooth slot, and described fluted disc thereon, on the lower surface respectively correspondence be provided with upper and lower circle teeth; Also be provided with a pair of block 5, this is snapped in block on the periphery sides side of hollow part of described tooth slot, in order to fixed gear plate; The peripheral side face of described body is provided with described first and second ratchet is complementary and not connected teeth groove, is equipped with the first Compress Spring 2 in this teeth groove; And described teeth groove is comprised of a holding part and a spring groove, described holding part be able to be contained in the head of described ratchet, one end of described the first Compress Spring is located in the described spring groove, and the tooth section that the other end of described the first Compress Spring is resisted against described ratchet is a side of described fluted disc dorsad;
Described first pair of ratchet is comprised of the first ratchet 30 and the second ratchet 31, described second pair of ratchet is comprised of the 3rd ratchet 40 and the 4th ratchet 41, under the effect of the first Compress Spring, the tooth section 13 of two ratchets in the every pair of ratchet is engaged in the upper and lower circle teeth of described fluted disc respectively, and described first and second can also be done circular motion around the center of its head 14 respectively to ratchet in its corresponding teeth groove;
Described mandrel is actively located in described body dorsad on the end and axle center that spline is positioned described fluted disc of its joint, described overcoat and described body be complementary and axial retention and circumferencial direction can rotating sleeve to be located at described body peripheral, the inwall of described overcoat is provided with and described first, two pairs of spaces, location that ratchet is corresponding, described first, also be equipped with operand on the surface of two pairs of ratchets, this operand can be resisted against space, described location, and the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of in the lower circle teeth.Wherein said select an engagement and common engagement respectively corresponding described ratchet the working state that turns clockwise, be rotated counterclockwise working state and steady job state.
In the present embodiment, the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of structure in the lower circle teeth is: also be provided with three locating slots on the inwall of described overcoat, also be provided with a blind hole on the outside circumference of described body, be provided with the second Compress Spring 11 in this blind hole, one end of described the second Compress Spring is resisted against described blind hole inwall, the other end of described the second Compress Spring is resisted against steel ball 12, described steel ball can protrude from described blind hole, and the part that described steel ball protrudes from described blind hole can be placed in one of them locating slot.
The inwall of described overcoat is provided with described first and second structure to the corresponding space, location of ratchet: described outer casing inner wall surface is provided with two pairs of recesses, is equipped with an inclined-plane in the inboard of described two pairs of recesses.
In the present embodiment, also be provided with a protecgulum 1, described protecgulum closely is nested in a dorsad end of described joint of described overcoat 10, and described protecgulum center is provided with a through hole, and described mandrel can activity wear through hole.
The end that described mandrel exposes to described body can be connected in the operating end instrument, and the joint of described body is provided with axial bore, in order to external tool.Described ratchet can with hexagonal extension bar, four jiaos of hexagonal common hole, fast replacing joint, F bar, T-shaped handle and crossover subs in a kind of being used.
The operating process of present embodiment is: when ratchet is in when turning clockwise working state, the operand of setting on second pair of ratchet is on a pair of inclined-plane, at first operate external operation tool clockwise direction and rotate described mandrel, this mandrel can be with the active toothed disk rotating in same direction, the tooth section of described second pair of ratchet breaks away from upper in described fluted disc, lower circle teeth, the tooth section of described first pair of ratchet is engaged in the upper of described fluted disc, lower circle teeth also rotate with described fluted disc, described first pair of ratchet and then promote described body and overcoat rotates rotates thereby the joint that is used for connecting external tool on the body can drive tool head; When the mandrel turning anticlockwise, then dally for relative body, do not do work.When ratchet is in when being rotated counterclockwise working state, the working state of two pairs of ratchets is just in time opposite with said process, no longer repeats at this.
When ratchet was in the steady job state, first and second was engaged in the upper and lower circle teeth of described fluted disc jointly to ratchet, and described mandrel is contrary, equal driven gear rotated together when clockwise direction rotated, so can not dally.
Claims (8)
1. Novel multipurpose high-torsion bi-directional ratchet wheel, this ratchet has the working state of turning clockwise, is rotated counterclockwise working state and steady job state, it is characterized in that: described ratchet comprises body (7), mandrel (8), fluted disc (9), overcoat (10) and first and second is to ratchet (3,4); Described body is cylindrical and it axially is provided with axis hole between two parties, one end of described body is formed with for the joint that connects external tool, described body and this joint concentric, the radially middle part of described body offers the tooth slot of a hollow out, described fluted disc (9) be able to be movably placed in the described tooth slot, and described fluted disc thereon, on the lower surface respectively correspondence be provided with upper and lower circle teeth; The peripheral side face of described body is provided with described first and second ratchet is complementary and not connected teeth groove, is equipped with the first Compress Spring (2) in this teeth groove;
Described first pair of ratchet is comprised of first and second ratchet (30,31), described second pair of ratchet is comprised of third and fourth ratchet (40,41), the tooth section (13) of two ratchets in the every pair of ratchet is engaged in the upper and lower circle teeth of described fluted disc respectively, and described first and second can also be done circular motion around the center of its head (14) respectively to ratchet in its corresponding teeth groove;
Described mandrel is actively located in described body dorsad on the end and axle center that spline is positioned described fluted disc of its joint, described overcoat and described body be complementary and axial retention and circumferencial direction can rotating sleeve to be located at described body peripheral, the inwall of described overcoat is provided with and described first, two pairs of spaces, location that ratchet is corresponding, described first, also be equipped with operand on the surface of two pairs of ratchets, this operand can be resisted against space, described location, and the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of in the lower circle teeth.
2. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: described teeth groove is comprised of a holding part and a spring groove, described holding part be able to be contained in the head of described ratchet, one end of described the first Compress Spring is located in the described spring groove, and the tooth section that the other end of described the first Compress Spring is resisted against described ratchet is a side of described fluted disc dorsad.
3. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: the reciprocating rotary of described overcoat be able to drive described first, two pairs of ratchets are selected one and are engaged in and jointly are engaged in the upper of described fluted disc, a kind of structure in the lower circle teeth is: also be provided with three locating slots on the inwall of described overcoat, also be provided with a blind hole on the outside circumference of described body, be provided with the second Compress Spring (11) in this blind hole, one end of described the second Compress Spring is resisted against described blind hole inwall, the other end of described the second Compress Spring is resisted against steel ball (12), described steel ball can protrude from described blind hole, and the part that described steel ball protrudes from described blind hole can be placed in one of them locating slot.
4. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: the inwall of described overcoat is provided with described first and second structure to the corresponding space, location of ratchet and is: described outer casing inner wall surface is provided with two pairs of recesses, is equipped with an inclined-plane in the inboard of described two pairs of recesses.
5. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1 is characterized in that: also be provided with a pair of block (5), this is snapped in block on the periphery sides side of hollow part of described tooth slot.
6. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: also be provided with a protecgulum (1), described protecgulum closely is nested in a dorsad end of described joint of described overcoat (10), described protecgulum center is provided with a through hole, and described mandrel can activity wear through hole.
7. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: the end that described mandrel exposes to described body can be connected in the operating end instrument.
8. Novel multipurpose high-torsion bi-directional ratchet wheel according to claim 1, it is characterized in that: the joint of described body is provided with axial bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322199.6A CN103062244B (en) | 2011-10-21 | 2011-10-21 | Multiplex high torsion bidirectional ratchet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322199.6A CN103062244B (en) | 2011-10-21 | 2011-10-21 | Multiplex high torsion bidirectional ratchet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062244A true CN103062244A (en) | 2013-04-24 |
| CN103062244B CN103062244B (en) | 2015-08-26 |
Family
ID=48105039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110322199.6A Active CN103062244B (en) | 2011-10-21 | 2011-10-21 | Multiplex high torsion bidirectional ratchet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103062244B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969066A (en) * | 2017-05-18 | 2017-07-21 | 哈尔滨工业大学 | A kind of ratchet bidirectional freewheel clutch |
| CN111981100A (en) * | 2020-09-24 | 2020-11-24 | 温州市简系文具有限公司 | Vertical acceleration rotating device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5613585A (en) * | 1995-05-02 | 1997-03-25 | Beere Precision Medical Instruments, Inc. | Ratcheting screwdriver |
| US20020102143A1 (en) * | 2001-01-26 | 2002-08-01 | Chin-Tan Huang | Ratchet mechanism of rotating tool |
| CN2564307Y (en) * | 2002-08-20 | 2003-08-06 | 黄金潭 | Ratchet mechanism for screwdriver |
| CN2693423Y (en) * | 2004-03-30 | 2005-04-20 | 廖惠贞 | Bidirectional ratchet wrench |
| WO2005051603A1 (en) * | 2003-11-25 | 2005-06-09 | Allan Meyer | Two way torque spanner |
| CN1736665A (en) * | 2004-08-16 | 2006-02-22 | 胡厚飞 | High torque force ratchet wheel driver |
| CN101386160A (en) * | 2008-10-27 | 2009-03-18 | 浙江三鼎工具有限公司 | Ratchet screw driver and ratchet device thereof |
| US20110113933A1 (en) * | 2009-11-15 | 2011-05-19 | Hong-Jen Lee | Ratchet wrench having the advantages of durability and convenienance of use |
| CN102145477A (en) * | 2010-02-10 | 2011-08-10 | 浙江恒力进出口有限公司 | Ratchet wrench |
| CN202241061U (en) * | 2011-10-21 | 2012-05-30 | 昆山义成工具有限公司 | Novel multipurpose high-torsion bi-directional ratchet wheel |
-
2011
- 2011-10-21 CN CN201110322199.6A patent/CN103062244B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5613585A (en) * | 1995-05-02 | 1997-03-25 | Beere Precision Medical Instruments, Inc. | Ratcheting screwdriver |
| US20020102143A1 (en) * | 2001-01-26 | 2002-08-01 | Chin-Tan Huang | Ratchet mechanism of rotating tool |
| CN2564307Y (en) * | 2002-08-20 | 2003-08-06 | 黄金潭 | Ratchet mechanism for screwdriver |
| WO2005051603A1 (en) * | 2003-11-25 | 2005-06-09 | Allan Meyer | Two way torque spanner |
| CN2693423Y (en) * | 2004-03-30 | 2005-04-20 | 廖惠贞 | Bidirectional ratchet wrench |
| CN1736665A (en) * | 2004-08-16 | 2006-02-22 | 胡厚飞 | High torque force ratchet wheel driver |
| CN101386160A (en) * | 2008-10-27 | 2009-03-18 | 浙江三鼎工具有限公司 | Ratchet screw driver and ratchet device thereof |
| US20110113933A1 (en) * | 2009-11-15 | 2011-05-19 | Hong-Jen Lee | Ratchet wrench having the advantages of durability and convenienance of use |
| CN102145477A (en) * | 2010-02-10 | 2011-08-10 | 浙江恒力进出口有限公司 | Ratchet wrench |
| CN202241061U (en) * | 2011-10-21 | 2012-05-30 | 昆山义成工具有限公司 | Novel multipurpose high-torsion bi-directional ratchet wheel |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969066A (en) * | 2017-05-18 | 2017-07-21 | 哈尔滨工业大学 | A kind of ratchet bidirectional freewheel clutch |
| CN111981100A (en) * | 2020-09-24 | 2020-11-24 | 温州市简系文具有限公司 | Vertical acceleration rotating device |
| CN111981100B (en) * | 2020-09-24 | 2021-05-14 | 温州市简系文具有限公司 | Vertical acceleration rotating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062244B (en) | 2015-08-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1563960B1 (en) | Impact driver having a percussion application mechanism which operation mode can be selectively switched between percussion and non-percussion mode | |
| US5406866A (en) | Speed-selectable screwdriver | |
| CN201807996U (en) | Rotating ratchet wrench | |
| TWI571361B (en) | Electric sleeve ratchet wrench | |
| WO2017187388A1 (en) | Power-driven direct drive ratchet/wrench tool | |
| CN104646724A (en) | Multi-speed cycloidal transmission | |
| TWM439546U (en) | Non-return ratchet type torque socket | |
| GB2462703A (en) | Vibratory and impact connector for a power tool | |
| TW201540433A (en) | Bias and reversing mechanism for roller clutch ratchet | |
| US20180311800A1 (en) | Rotary torque boosting device | |
| CN202241061U (en) | Novel multipurpose high-torsion bi-directional ratchet wheel | |
| CN201744955U (en) | Novel high-efficiency wrench | |
| CN103062244B (en) | Multiplex high torsion bidirectional ratchet | |
| CN201815693U (en) | Driving mechanism of locked drill chuck | |
| EP2946884B1 (en) | Bidirectional wrench | |
| CN201881359U (en) | Power tool | |
| CN206029721U (en) | Two -way screwdriver of hand held | |
| JP2006305719A (en) | Tool | |
| EP3995258A1 (en) | Drive coupler for power scrubber | |
| CN102259321B (en) | Novel high-efficiency wrench | |
| CN219413435U (en) | Ratchet mechanism and screwdriver | |
| CN100525970C (en) | Fast exchanging mechanism for clamping head | |
| CN201609878U (en) | Ratchet wrench | |
| CN201677051U (en) | Force increasing self-locking drill chuck and self-locking mechanism thereof | |
| CN217225061U (en) | Transmission mechanism, polishing machine head and polishing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220623 Address after: 226600 No.88, Kaifa Avenue, Hai'an Economic and Technological Development Zone, Nantong City, Jiangsu Province Patentee after: Meishiman tools (Hai'an) Co.,Ltd. Address before: No. 10, xiongzhuang Road, Kunshan Development Zone, Suzhou, Jiangsu 215301 Patentee before: KUNSHAN YICHENG TOOLS Co.,Ltd. |
|
| TR01 | Transfer of patent right |