CN2790643Y - Chuck rapid-changing mechanism - Google Patents

Chuck rapid-changing mechanism Download PDF

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Publication number
CN2790643Y
CN2790643Y CN 200520072587 CN200520072587U CN2790643Y CN 2790643 Y CN2790643 Y CN 2790643Y CN 200520072587 CN200520072587 CN 200520072587 CN 200520072587 U CN200520072587 U CN 200520072587U CN 2790643 Y CN2790643 Y CN 2790643Y
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CN
China
Prior art keywords
turning set
adapter sleeve
locating part
main shaft
clamping 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.)
Expired - Lifetime
Application number
CN 200520072587
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Chinese (zh)
Inventor
丁水澄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Priority to CN 200520072587 priority Critical patent/CN2790643Y/en
Application granted granted Critical
Publication of CN2790643Y publication Critical patent/CN2790643Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a drill chuck rapid-changing mechanism (10), which is characterized in that the drill chuck (9) is arranged on a main shaft (5) provided with a positioning member (13) in a detachable mode. The utility model comprises a rotary sleeve (1) provided with a first stop block (11), a connecting sleeve (2) arranged between the rotary sleeve (1) and the main shaft (5), an elastic member arranged between the rotary sleeve (1) and the connecting sleeve (2), and a drive member (4) sheathed out of the rotary sleeve (1), wherein the first stop block (11) matches with the positioning member (13) for restricting the axial displacement of the rotary sleeve (1) toward the main shaft (5); the connecting sleeve (2) is provided with a second stop block (12) which matches with the positioning member (13) for restricting the rotation of the connecting sleeve (2) toward the main shaft (5); the drive member (4) drives the connecting sleeve (2) to move axially toward the rotary sleeve (1). The drill chuck rapid-changing mechanism (10) has the advantages of reliable structure and simple operation.

Description

Fast exchanging mechanism for clamping head
Technical field
The utility model relates to a kind of electric tool, the fast exchanging mechanism for clamping head on particularly a kind of electric tool.
Background technology
At present, the user is applied to various operation occasion respectively with electric drill and electric hammer.In order to be easy to make same instrument just realize the replacing of fluted drill and hammer drill by simply changeing working head, guarantee that simultaneously fluted drill still keeps enough accuracy, people realize above-mentioned purpose by using fast exchanging mechanism for clamping head.Announce US6551037 number as United States Patent (USP) and disclose a kind of fast exchanging mechanism for clamping head, by the projection on the chuck pivoted housing being inserted in the opening on the main shaft, rotating a rotating ring simultaneously can not run out of the projection on the pivoted housing from the main shaft opening, thereby chuck is installed on the main shaft, since retaining mechanism be rely on cam surface against realization, inefficacy easy to wear.United States Patent (USP) is announced US5211693 number and is disclosed a kind of fast exchanging mechanism for clamping head, realizes chuck locking by the dislocation that moves radially tooth, but because the clamping force of locking chuck is to rely on the flexible member that moves radially to produce, can not prevent from reliably to throw off.
The utility model content
The purpose of this utility model is to provide a kind of fast exchanging mechanism for clamping head reliable, simple to operate that connects.
The technical solution of the utility model is: a kind of fast exchanging mechanism for clamping head, be installed on the main shaft that is provided with keeper chuck is dismountable, it is characterized in that: it comprises the turning set that is provided with first locating part, be located at the adapter sleeve between described turning set and the described main shaft, the actuator of being located at the elastic component between described turning set and the described adapter sleeve and being sheathed on the described turning set outside, the axial displacement of described first locating part and the relative described main shaft of the described turning set of described keeper engagement limits, described adapter sleeve is provided with second locating part, described second locating part and the described adapter sleeve of described keeper engagement limits rotate relative to described main shaft, and described actuator drives described adapter sleeve and moves axially with respect to described turning set.
Another technical scheme of the present utility model is: a kind of fast exchanging mechanism for clamping head, be installed on the main shaft chuck is dismountable, it is characterized in that: it comprises the auxilliary axle that links to each other with described chuck and be provided with keeper, link to each other with described main shaft and be provided with the turning set of first locating part, be located at the adapter sleeve between described turning set and the described auxilliary axle, the actuator of being located at the elastic component between described turning set and the described adapter sleeve and being sheathed on the described turning set outside, the axial displacement of the relative described auxilliary axle of described first locating part with the described turning set of described keeper engagement limits, described adapter sleeve comprises second locating part, described second locating part and the described turning set of described keeper engagement limits rotate relative to described auxilliary axle, and described actuator drives described adapter sleeve and moves axially with respect to described turning set.
Compared with prior art, the beneficial effects of the utility model are: the moving axially of the adapter sleeve by external splines in being provided with, realized that chuck is connected with the reliable of main shaft, chuck is difficult for throwing off with main shaft, one pushes away a commentaries on classics during installation, one draws a commentaries on classics during dismounting, and the operator can mount and dismount chuck easily, and method of operating is simple.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing and concrete embodiment.
Fig. 1 is the three-dimensional exploded view of the preferred embodiment of the utility model fast exchanging mechanism for clamping head;
To be the utility model fast exchanging mechanism for clamping head be installed in schematic diagram on the electric hammer with chuck to Fig. 2;
Fig. 3 is the schematic diagram that chuck removes from electric hammer in the utility model preferred embodiment;
Fig. 4 is the cutaway view that chuck is in locking state in the utility model preferred embodiment;
Fig. 5 is the cutaway view along A-A line among Fig. 4;
Fig. 6 is the cutaway view along B-B line among Fig. 4;
Fig. 7 is the cutaway view that chuck is in open mode in the utility model preferred embodiment;
Fig. 8 is the cutaway view along C-C line among Fig. 7;
Fig. 9 is the cutaway view along D-D line among Fig. 7;
Figure 10 is the cutaway view that chuck removes from main shaft among another embodiment of the utility model;
Figure 11 is the cutaway view that chuck is in locking state among another embodiment of the utility model.
Wherein:
1, turning set; 2, adapter sleeve; 3, elastic component; 4, actuator; 5, main shaft; 6, pin; 7, chuck cover; 8, dust cap; 9, chuck; 10, fast exchanging mechanism for clamping head; 10 ', fast exchanging mechanism for clamping head 11, first locating part; 12, second locating part; 13, keeper; 14, first external splines; 15, second external splines; 16, first torque transfer part; 17, second torque transfer part; 18, kidney slot; 19, first groove; 20, auxilliary axle; 21, second groove; 22, holding tank; 23 pin-and-holes; 24, tool holding portion; 30, electric tool; 31, tool body; 32, handle.
The specific embodiment
Referring to accompanying drawing 1～3, the utility model has disclosed a kind of fast exchanging mechanism for clamping head 10.Fast exchanging mechanism for clamping head 10 is with on the dismountable main shaft 5 that is installed in electric tool 30 of chuck 9.Electric tool 30 comprises tool body 31, is positioned at the handle 32 at tool body 31 rear portions, is contained in the driver element and the gear unit (not shown) of tool body 31 inside, the main shaft 5 that links to each other with gear unit.Electric tool 30 is electric hammers in the utility model.
Main shaft 5 comprises inner surface and outer surface.Its outer surface is provided with the keeper 13 and first groove 19.In this preferred embodiment, keeper 13 comprises the external diameter of the external diameter of first external splines 14 and second external splines, 15, the first external splines 14 greater than second external splines 15.First groove 19 is positioned at the side of first external splines 14 away from second external splines 15, is an annular groove.Keeper 13 can only comprise one group of external splines, cooperates with turning set 1 and adapter sleeve 2 simultaneously.Chuck 9 comprises tool holding portion 24, chuck cover 7 and dust cap 8.During use, instrument can insert in the tool holding portion 24.
Accompanying drawing 1～9 has disclosed preferred embodiment of the present utility model.Fast exchanging mechanism for clamping head 10 comprises turning set 1, adapter sleeve 2, the actuator 4 of being located at the elastic component 3 between adapter sleeve 2 and the turning set 1 and being sheathed on turning set 1 outside.
Turning set 1 comprises axially extended front-end and back-end.Wherein the front end inner surface along on the axis direction outer surface that is provided with first locating part, 11, the second grooves 21 and second torque transfer part, 17, the second torque transfer part, 17 correspondences at interval radially to being provided with two kidney slots 18.First locating part 11 is four projections that circumferentially are distributed on turning set 1 inwall, and second torque transfer part 17 also is four projections that circumferentially are distributed on turning set 1 inwall.The number of projection can change according to designer's needs.Establish second groove 21 between first locating part 11 and second torque transfer part 17 and be used to hold keeper 13 on the main shaft 5.Keeper 13 engagement limits turning sets 1 on first locating part 11 and the main shaft 5 are with respect to the axial displacement of main shaft 5.The rear end of turning set 1 links to each other with the tool holding portion 24 of chuck 9.Those skilled in the art as can be known, the cross sectional shape of first locating part 11 and second torque transfer part 17 can be square, circular arc or trapezoidal.
Adapter sleeve 2 comprises the radially pin-and-hole 23 to establishing of two axially relative end faces, second locating part 12, first torque transfer part 16 and two.Second locating part 12 is four projections that circumferentially are distributed on adapter sleeve 2 inwalls, and first torque transfer part 16 is four projections that circumferentially are distributed on adapter sleeve 2 outer walls, and second locating part 12 is concordant mutually in a circumferential direction with first torque transfer part 16.The number of projection can change according to designer's needs.Second locating part 12 can be matched with the keeper 13 on the main shaft 5, is used to limit the rotation of adapter sleeve 2 with respect to main shaft 5.First torque transfer part 16 is matched with second torque transfer part 17 of turning set 1 all the time, is used for the moment of torsion that adapter sleeve 2 transmits is passed to tool heads.Those skilled in the art as can be known, the cross sectional shape of second locating part 12 and first torque transfer part 16 can be square, circular arc or trapezoidal.
Elastic component 3 is arranged between turning set 1 and the adapter sleeve 2, and wherein an end is resisted against on the inwall of turning set 1, and the other end is resisted against on one of them end face of adapter sleeve 2.In the present embodiment, elastic component 3 is compression springs.Elastic component 3 also can be that other anyly can provide the element of restoring force for axially-movable between adapter sleeve 2 and the turning set 1.
Actuator 4 is set in the outside of turning set 1, and its inwall is provided with holding tank 22 and is used to hold pin 6.Mobile actuator 4 can drive in the kidney slot 18 of pin 6 on turning set 1 and move, and moves axially with respect to turning set 1 thereby drive adapter sleeve 2.Actuator 4 also can be the sleeve that is provided with internal thread, drives pin 6 by matching with the external screw thread that is provided with on turning set 1 outer wall, moves axially thereby drive adapter sleeve 2.
Pin 6 is arranged between turning set 1 and the adapter sleeve 2, with turning set 1 with adapter sleeve 2 fuses and determine between the two relative axial position.In the present embodiment, pin 6 one ends are contained in the holding tank 22 of actuator 4, and the other end passes kidney slot 18 on the turning set 1 and stretches in the pin-and-hole 23 on the adapter sleeve 2.After fast exchanging mechanism for clamping head 10 assemblings were finished, adapter sleeve 2 can move vertically and can not skid off from turning set 1 with respect to turning set 1.
Referring to accompanying drawing 4～6, chuck 9 is in locking state with respect to main shaft 5.At this moment, first locating part 11 of turning set 1 is arranged in first groove 19 of main shaft 5, and concordant mutually with first external splines 14 in a circumferential direction, and second locating part 12 of adapter sleeve 2 is meshed with second external splines 15 of main shaft 5, and elastic component 3 is in stretched condition.
Referring to accompanying drawing 7～9, chuck 9 is in open mode with respect to main shaft 5.At this moment, first locating part 11 of turning set 1 is arranged in first groove 19 of main shaft 5, and concordant mutually with first external splines 14 in a circumferential direction, second locating part 12 of adapter sleeve 2 staggers mutually with second external splines 15 in the axial direction, and elastic component 3 is in compressive state.
When chuck 9 is installed, at first push whole chuck 9 to main shaft 5 together with fast exchanging mechanism for clamping head 10, first locating part 11 and first external splines 14 are staggered mutually at circumferencial direction.Push hard chuck 9, when the elastic force that overcomes elastic component 3 arrives on the end wall of main shaft 5 until turning set 1, rotary drive 4, driving whole fast exchanging mechanism for clamping head 10 by pin 6 rotates with respect to main shaft 5, make first locating part 11 of turning set 1 be positioned at first groove 19 of main shaft 5, first external splines 14 is positioned at second groove 21 on the turning set 1, and first locating part 11 is concordant mutually in a circumferential direction with respect to first external splines 14, second locating part 12 of adapter sleeve 2 is meshed with second external splines 15, thereby adapter sleeve 2 can move axially on the end wall that is resisted against main shaft 5 with respect to turning set 1 under the restoring force effect of elastic component 3.At this moment, the operator can hear " " one, indication chuck 9 has been installed on the main shaft 5 and has firmly been locked.
During dismounting chuck 9, at first move actuator 4 towards the direction away from main shaft 5, drive adapter sleeve 2 by pin 6 and move axially in turning set 1, the elastic force that overcomes elastic component 3 axially staggers second locating part 12 and second external splines 15.At this moment, hold actuator 4, whole chuck 9 is rotated an angle together with fast exchanging mechanism for clamping head 10 with respect to main shaft 5, first locating part 11 that makes turning set 1 staggers in a circumferential direction mutually with respect to first external splines 14 of main shaft 5, unclamp actuator 4 then, whole chuck 9 can be disassembled easily.
Accompanying drawing 10～11 is depicted as another embodiment of the present utility model.Fast exchanging mechanism for clamping head 10 ' is with on the dismountable main shaft 5 that is installed in electric tool 30 of chuck 9.Chuck 9 comprises tool holding portion 24, chuck cover 7 and dust cap 8.During use, instrument can insert in the tool holding portion 24.Fast exchanging mechanism for clamping head 10 ' comprises the auxilliary axle 20 that extends axially out towards an end of main shaft 5 from chuck 9, turning set 1, the adapter sleeve 2 that extends axially out towards an end of chuck 9 from main shaft 5, the actuator 4 of being located at the elastic component 3 between adapter sleeve 2 and the turning set 1 and being sheathed on turning set 1 outside.
Auxilliary axle 20 comprises inner surface and outer surface, and its outer surface is provided with the keeper 13 and first groove 19.In this preferred embodiment, keeper 13 comprises the external diameter of the external diameter of first external splines 14 and second external splines, 15, the first external splines 14 greater than described second external splines 15.First groove 19 is positioned at the side of first external splines 14 away from second external splines 15, is an annular groove.Keeper 13 can only comprise one group of external splines, cooperates with turning set 1 and adapter sleeve 2 simultaneously.
Turning set 1 comprises axially extended front-end and back-end.Wherein the front end inner surface along on the axis direction outer surface that is provided with first locating part, 11, the second grooves 21 and second torque transfer part, 17, the second torque transfer part, 17 correspondences at interval radially to being provided with two kidney slots 18.First locating part 11 is four projections that circumferentially are distributed on turning set 1 inwall, and second torque transfer part 17 also is four projections that circumferentially are distributed on turning set 1 inwall.The number of projection can change according to designer's needs.Establish second groove 21 between first locating part 11 and second torque transfer part 17 and be used to hold the keeper 13 of assisting on the axle 20.First locating part 11 and of the axial displacement of keeper 13 engagement limits turning sets 1 with respect to auxilliary axle 20.The rear end of turning set 1 links to each other with main shaft 5.Those skilled in the art as can be known, the cross sectional shape of first locating part 11 and second torque transfer part 17 can be square, circular arc or trapezoidal.
Adapter sleeve 2 comprises the radially pin-and-hole 23 to establishing of two axially relative end faces, second locating part 12, first torque transfer part 16 and two.Second locating part 12 is four projections that circumferentially are distributed on adapter sleeve 2 inwalls, and first torque transfer part 16 is four projections that circumferentially are distributed on adapter sleeve 2 outer walls, and second locating part 12 is concordant mutually in a circumferential direction with first torque transfer part 16.The number of projection can change according to designer's needs.First torque transfer part 16 is matched with second torque transfer part 17 of turning set 1 all the time, is used for the moment of torsion that main shaft 5 transmits is passed to auxilliary axle 20.Second locating part 12 can be matched with the keeper 13 on the auxilliary axle 20, is used to limit the rotation of adapter sleeve 2 with respect to auxilliary axle 20.Those skilled in the art as can be known, the cross sectional shape of second locating part 12 and first torque transfer part 16 can be square, circular arc or trapezoidal.
Elastic component 3 is arranged between turning set 1 and the adapter sleeve 2, and wherein an end is resisted against on the inwall of turning set 1, and the other end is resisted against on one of them end face of adapter sleeve 2.In the present embodiment, elastic component 3 is compression springs.Elastic component 3 also can be that other anyly can provide the element of restoring force for axially-movable between adapter sleeve 2 and the turning set 1.
Actuator 4 is set in the outside of turning set 1, and its inwall is provided with holding tank 22 and is used to hold pin 6.Mobile actuator 4 can drive in the kidney slot 18 of pin 6 on turning set 1 and move, and moves axially with respect to turning set 1 thereby drive adapter sleeve 2.Actuator 4 also can be the sleeve that is provided with internal thread, drives pin 6 by matching with the external screw thread that is provided with on turning set 1 outer wall, moves axially thereby drive adapter sleeve 2.
Pin 6 is arranged between turning set 1 and the adapter sleeve 2, with turning set 1 with adapter sleeve 2 fuses and determine between the two relative axial position.In the present embodiment, pin 6 one ends are contained in the holding tank 22 of actuator 4, and the other end passes kidney slot 18 on the turning set 1 and stretches in the pin-and-hole 23 on the adapter sleeve 2.After fast exchanging mechanism for clamping head 10 ' assembling was finished, adapter sleeve 2 can move vertically and can not skid off from turning set 1 with respect to turning set 1.
When chuck 9 is installed, at first push whole chuck 9 to main shaft 5, first external splines 14 on first locating part 11 that makes turning set 1 and the auxilliary axle 20 staggers mutually at circumferencial direction.Push hard chuck 9, when the elastic force that overcomes elastic component 3 arrives on the end wall of turning set 1 until auxilliary axle 20, rotary chuck 9, auxilliary axle 20 is rotated with respect to turning set 1, make first locating part 11 of turning set 1 be positioned at auxilliary 20 first groove 19, first external splines 14 is positioned at second groove 21 on the turning set 1, and first locating part 11 is concordant mutually in a circumferential direction with respect to first external splines 14, second locating part 12 of adapter sleeve 2 is meshed with second external splines 15 on the main shaft 5, thereby adapter sleeve 2 can move axially with respect to turning set 1 under the restoring force effect of elastic component 3 on the end wall that is resisted against auxilliary axle 20.At this moment, the operator can hear " " one, indication chuck 9 has been installed on the main shaft 5 and has firmly been locked.
During dismounting chuck 9, at first move actuator 4 towards the direction away from auxilliary axle 20, drive adapter sleeve 2 by pin 6 and move axially in turning set 1, the elastic force that overcomes elastic component 3 axially staggers second locating part 12 and second external splines 15.At this moment, hold actuator 4, chuck 9 is rotated an angle with respect to turning set 1 and main shaft 5, first external splines 14 of first locating part 11 with respect to auxilliary 20 of turning set 1 staggered in a circumferential direction mutually, unclamp actuator 4 then, whole chuck 9 can be disassembled easily.
Adapter sleeve 2 can move back and forth in turning set 1 freely, and strong automatically reseting under the effect of elastic component 3, and operation is simple to make installation chuck 9.After chuck 9 is installed on the electric tool 30, the axial displacement of first locating part 11 and keeper 13 engagement limits chucks 9.Have only actuator 4 is exerted oneself to draw outward and rotate and chuck 9 can be unloaded, when whole electric tool 30 is operated, can not cause chuck 9 to move back and forth because of the vibration of machine and cause chuck 9 to come off, cause danger, chuck 9 be connected reliably with the main shaft 5 of electric tool 30.

Claims (12)

1. a fast exchanging mechanism for clamping head (10), be installed on the main shaft (5) that is provided with keeper (13) chuck (9) is dismountable, it is characterized in that: it comprises the turning set (1) that is provided with first locating part (11), be located at the adapter sleeve (2) between described turning set (1) and the described main shaft (5), the actuator (4) of being located at the elastic component (3) between described turning set (1) and the described adapter sleeve (2) and being sheathed on described turning set (1) outside, the axial displacement of the relative described main shaft of described first locating part (11) (5) with the described turning set of described keeper (13) engagement limits (1), described adapter sleeve (2) is provided with second locating part (12), described second locating part (12) and the described adapter sleeve of described keeper (13) engagement limits (2) rotate relative to described main shaft (5), and described actuator (4) drives described adapter sleeve (2) and moves axially with respect to described turning set (1).
2. fast exchanging mechanism for clamping head according to claim 1 is characterized in that: described first locating part (11) is four projections that circumferentially are distributed on described turning set (1) inwall.
3. fast exchanging mechanism for clamping head according to claim 1 is characterized in that: described second locating part (12) is four projections that circumferentially are distributed on described adapter sleeve (2) inwall.
4. fast exchanging mechanism for clamping head according to claim 1 is characterized in that: described keeper (13) comprises first external splines (14) and second external splines (15), and the external diameter of described first external splines (14) is greater than the external diameter of described second external splines (15).
5. fast exchanging mechanism for clamping head according to claim 1 is characterized in that: described elastic component (3) is the compression spring.
6. fast exchanging mechanism for clamping head according to claim 1 is characterized in that: described adapter sleeve (2) is connected with described actuator (4) by the pin (6) that is arranged in the kidney slot (18) on the described turning set (1).
7. a fast exchanging mechanism for clamping head (10 '), be installed on the main shaft (5) chuck (9) is dismountable, it is characterized in that: it comprises the auxilliary axle (20) that links to each other with described chuck (9) and be provided with keeper (13), link to each other with described main shaft (5) and be provided with the turning set (1) of first locating part (11), be located at the adapter sleeve (2) between described turning set (1) and the described auxilliary axle (20), the actuator (4) of being located at the elastic component (3) between described turning set (1) and the described adapter sleeve (2) and being sheathed on described turning set (1) outside, the axial displacement of the relative described auxilliary axle of described first locating part (11) (20) with the described turning set of described keeper (13) engagement limits (1), described adapter sleeve (2) comprises second locating part (12), described second locating part (12) and the described turning set of described keeper (13) engagement limits (1) rotate relative to described auxilliary axle (20), and described actuator (4) drives described adapter sleeve (2) and moves axially with respect to described turning set (1).
8. fast exchanging mechanism for clamping head according to claim 7 is characterized in that: described first locating part (11) is four projections that circumferentially are distributed on described turning set (1) inwall.
9. fast exchanging mechanism for clamping head according to claim 7 is characterized in that: described second locating part (12) is four projections that circumferentially are distributed on described adapter sleeve (2) inwall.
10. fast exchanging mechanism for clamping head according to claim 7 is characterized in that: described keeper (13) comprises first external splines (14) and second external splines (15), and the external diameter of described first external splines (14) is greater than the external diameter of described second external splines (15).
11. fast exchanging mechanism for clamping head according to claim 7 is characterized in that: described elastic component (3) is the compression spring.
12. fast exchanging mechanism for clamping head according to claim 7 is characterized in that: described adapter sleeve (2) is connected with described actuator (4) by the pin (6) that is arranged in the kidney slot (18) on the described turning set (1).
CN 200520072587 2005-06-08 2005-06-08 Chuck rapid-changing mechanism Expired - Lifetime CN2790643Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520072587 CN2790643Y (en) 2005-06-08 2005-06-08 Chuck rapid-changing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520072587 CN2790643Y (en) 2005-06-08 2005-06-08 Chuck rapid-changing mechanism

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Publication Number Publication Date
CN2790643Y true CN2790643Y (en) 2006-06-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773507A (en) * 2011-05-09 2012-11-14 苏州宝时得电动工具有限公司 Clamping head
CN104400524A (en) * 2014-11-21 2015-03-11 马鞍山市恒利达机械刀片有限公司 Multipurpose rapid tool changing open mandrel and use method thereof
CN106493672A (en) * 2015-09-06 2017-03-15 昆山义成工具有限公司 Steel sword quick chuck
CN108068066A (en) * 2016-11-16 2018-05-25 苏州宝时得电动工具有限公司 Converting chuck, the tool body being used cooperatively with it and with the use of method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102773507A (en) * 2011-05-09 2012-11-14 苏州宝时得电动工具有限公司 Clamping head
CN102773507B (en) * 2011-05-09 2015-04-22 苏州宝时得电动工具有限公司 Clamping head
CN104400524A (en) * 2014-11-21 2015-03-11 马鞍山市恒利达机械刀片有限公司 Multipurpose rapid tool changing open mandrel and use method thereof
CN104400524B (en) * 2014-11-21 2016-08-24 马鞍山市恒利达机械刀片有限公司 A kind of multipurpose rapid changing knife opening plug and using method thereof
CN106493672A (en) * 2015-09-06 2017-03-15 昆山义成工具有限公司 Steel sword quick chuck
CN108068066A (en) * 2016-11-16 2018-05-25 苏州宝时得电动工具有限公司 Converting chuck, the tool body being used cooperatively with it and with the use of method
CN108068066B (en) * 2016-11-16 2023-09-12 苏州宝时得电动工具有限公司 Conversion chuck, tool main body matched with conversion chuck for use and matched use method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Treasure time machinery (China) Co., Ltd.

Assignor: Baoshide Electric Tools Co., Ltd., Suzhou

Contract fulfillment period: 2009.3.27 to 2014.3.27

Contract record no.: 2009320000702

Denomination of utility model: Fast exchanging mechanism for clamping head

Granted publication date: 20060628

License type: Exclusive license

Record date: 20090429

LIC Patent licence contract for exploitation submitted for record

Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.3.27 TO 2014.3.27; CHANGE OF CONTRACT

Name of requester: BAOSHIDE MACHINARY ( CHINA) CO., LTD.

Effective date: 20090429

AV01 Patent right actively abandoned

Effective date of abandoning: 20090812

AV01 Patent right actively abandoned

Effective date of abandoning: 20090812

C25 Abandonment of patent right or utility model to avoid double patenting