CN100421880C - Multiple-operation system rotary electric tool - Google Patents
Multiple-operation system rotary electric tool Download PDFInfo
- Publication number
- CN100421880C CN100421880C CNB2006100981474A CN200610098147A CN100421880C CN 100421880 C CN100421880 C CN 100421880C CN B2006100981474 A CNB2006100981474 A CN B2006100981474A CN 200610098147 A CN200610098147 A CN 200610098147A CN 100421880 C CN100421880 C CN 100421880C
- Authority
- CN
- China
- Prior art keywords
- locking piece
- connector
- output shaft
- paired
- electric tool
- 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 - Fee Related
Links
Images
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Drilling And Boring (AREA)
Abstract
It relates to a handgrip electric tool. The multi operation system rotary electric tool is made of the base, rotary head, swiveling head, connecting piece, locking piece and the operation system. Electric motor inside the base, transmission with output shaft and torque regulator forms the power system, the switch, change-over button and so on forms the operating system, connecting piece and locking piece inside the rotary head which has driven shaft operation system, with the power system connected to the operation system through connecting pieces. The installable operation system has two, three or four, with multi types of operation tools on the same electric tool to reduce installing and clamping adjustment period, improving efficiency.
Description
Technical field
The present invention relates to a kind of hand held electric tool, specifically is a kind of multiple-operation system rotary electric tool.
Technical background
It is to obtain most of insider to know together that a kind of multiwork system electric tool can be enhanced productivity, and has developed the technology with some identical characteristics for this purpose.As US6, in 715, the 969 disclosed patents, it can be along reaching the purpose of switching operating system with the rotation of the angled central shaft of motor driving shaft by swiveling head.The defective of this technology is when an operating system is in running order, other operating system has only a kind of specific off working state, because each one is to the use habit difference of instrument, so just caused some inconvenience, so a kind of multiwork system electric tool that can adapt to majority's use habit of the exploitation of needs is arranged.
Summary of the invention
The object of the invention provides that a kind of other operating system has the multiwork system electric tool of multiple off working state when an operating system is in running order, thereby makes tool operation more convenient and comfortable.
According to technical scheme provided by the invention, dynamical system and operating system are housed in tool base, clutch end in tool base has operating system, it is characterized in that: same paired locking piece is housed in paired swivel head, in paired locking piece, connector is arranged, in the outside of paired swivel head is paired swiveling head, at least one operating system is installed on paired swiveling head, the output shaft of dynamical system is connected with connector, and the other end of connector is detachable shape with driven shaft in the operating system and is connected;
The detent mechanism only allow connector to move along the axis direction of output shaft is set between output shaft and connector; Same setting only allows the detent mechanism that connector moves along the axis direction of driven shaft between operating system and connector;
Be provided for controlling the locking mechanism that can swiveling head rotate relative to locking piece at the swiveling head and the connecting portion of locking piece;
Be provided for controlling the clamping mechanism that can swivel head rotate around output shaft at the connecting portion of locking piece and swivel head and tool base;
On locking piece, be provided with being used to of can moving along the axis of output shaft promote the connector action, with the toggle mechanism of the connection status of control connection part and driven shaft.
Detent mechanism is the polygon cavity that is arranged at the connector inwall, and be arranged on output shaft and the driven shaft with the corresponding polygon cylinder of polygon cavity;
Detent mechanism is projection or the pit that is arranged on the connector inwall, and be arranged on output shaft and the driven shaft can with projection on the connector inwall or pit chimeric pit or projection mutually.
Locking mechanism is the locating slot that is arranged on the swiveling head inwall, with the positioning convex that can fasten with locating slot that is arranged on the locking piece; Or be arranged at locating slot on the locking piece, with the positioning convex that can fasten with locating slot that is arranged on the swiveling head inwall.
Clamping mechanism is the groove that is arranged on the swivel head, and is arranged at the buckle that extends along the axis of output shaft on the locking piece and is arranged at least one draw-in groove that inserts after permission buckle on the tool base passes groove.
In toggle mechanism, one end of slip pushing block is positioned at the chute of locking piece, is provided for promoting the projection of connector on the slip pushing block, on connector block is set, step is set on output shaft, between the step of the block of connector and output shaft, spring is arranged; The other end at the slip pushing block is provided with the pushing block inclined-plane, and the latch ramp that can cooperate with the pushing block inclined-plane is set on another locking piece in paired locking piece.
Rotary hole and rotating hole are set respectively on swiveling head and swivel head, elongated insertion part is set on locking piece, this elongated insertion part can pass rotating hole and rotary hole; In paired locking piece, be provided for making paired locking piece because of push near the back, can automatically reset spring.
Guide pillar is set on swivel head, guide hole is set on locking piece, guide pillar inserts in the guide hole, and is stretching out sleeve spring on one section guide pillar of guide hole, and the two ends of this spring contact with the end face of guide hole on paired two locking pieces respectively.
At the outside of connector cover sliding sleeve, the internal diameter of this sliding sleeve is less than the external diameter of block, back-up ring is set on sliding sleeve, projection on the slip pushing block is withstood back-up ring, be provided for spring that sliding sleeve is resetted at sliding sleeve, one end of this spring contacts with back-up ring, and the other end spring support interior with being installed on locking piece contacts.
Advantage of the present invention is: load onto the several work instrument respectively on same electric tool, pressure-lock part, just can control the rotation process of swiveling head and swivel head respectively, and easily operating system is adjusted to the position that needs by swiveling head and swivel head; Locking piece can move along the direction perpendicular to the output shaft axis in when operation, and can control swivel head and swiveling head is in rotatable state or non-rotatable state, can also be in and operating system disengaging or engagement by the control connection part.Swiveling head can wind the axis rotation perpendicular to output shaft, thereby reaches the purpose of switching the different work system; Swivel head can be around the axis rotation of output shaft, and when making an operating system in running order, other operating system has multiple off working state, so that cater to operator's different positions.The present invention effectively reduces the time that clamping is adjusted power tool, enhances productivity.
The accompanying drawing title
Fig. 1 has the structural representation of the example of two operating systems for the present invention.
Fig. 2, Fig. 3 have the duty of operating system of the example of two operating systems to switch schematic diagram for the present invention.
Fig. 4, Fig. 5, Fig. 6, Fig. 7 have the off working state of operating system of the example of two operating systems to switch schematic diagram for the present invention.
Fig. 8, Fig. 9, Figure 10 have the specific embodiment schematic diagram of the novel example of two operating systems for this practicality.
The specific embodiment
Among the figure: 1 is tool base, 2,2 ' is swiveling head, 3,3 ' is swivel head, 4,4 ' is locking piece, 5 are the slip pushing block, and 6 is spring, 7 is sliding sleeve, 8 is operating system, 9 is spring support, 10 is connector, 11 is buckle, 12 draw-in grooves, 13 is locator protrusions, 14 is locating slot, 15 is latch ramp, 16 is the pushing block inclined-plane, 17 is groove, 18 is output shaft, 19 is driven shaft, 20 is interior hexagonal, 21 is guide hole, 22 is outer-hexagonal, 23 is rotary hole, 24 is rotating hole, 25 is guide pillar, 26 is spring, 27 is block, 28 is step, 29 is back-up ring.
As shown in Figure 1: dynamical system and operating system are housed in tool base 1, clutch end in tool base 1 has two operating systems 8, during use, can on the operating system 8 therein drill bit be installed, screwdriver is installed on another, perhaps other instrument, same paired locking piece 4 is housed in paired swivel head 3 connector 10 is arranged in paired locking piece 4, in the outside of paired swivel head 3 are paired swiveling heads 2, at least one operating system 8 is installed on paired swiveling head 2, the output shaft 18 of dynamical system is connected with connector 10, and the other end of connector 10 is detachable shape with driven shaft 19 in the operating system 8 and is connected;
The detent mechanism only allow connector 10 to move along the axis direction of output shaft 18 is set between output shaft 18 and connector 10; Same setting only allows the detent mechanism that connector 10 moves along the axis direction of driven shaft 19 between operating system 8 and connector 10;
Be provided for controlling the locking mechanism that can swiveling head 2 rotate relative to locking piece 4 at the swiveling head 2 and the connecting portion of locking piece 4;
Be provided for controlling the clamping mechanism that can swivel head 3 rotate around output shaft 18 at the connecting portion of locking piece 4 and swivel head 3 and tool base 1;
On locking piece 4, be provided with being used to of can moving along the axis of output shaft 18 promote connector 10 actions, with the toggle mechanism of control connection part 10 with the connection status of driven shaft 19.
Detent mechanism is the polygon cavity that is arranged at connector 10 inwalls, and be arranged on output shaft 18 and the driven shaft 19 with the corresponding polygon cylinder of polygon cavity; This structure is fairly simple and practical a kind of, utilizes polygonal cavity and cylinder to realize the location, both can make things convenient for connector 10 relative driven shafts 19 and output shaft 18 to move axially, and can move into place transmitting torque afterwards again.
Another mode similar with aforesaid way is: detent mechanism is projection or the pit that is arranged on connector 10 inwalls, and be arranged on output shaft 18 and the driven shaft 19 can with projection on connector 10 inwalls or pit chimeric pit or projection mutually.Certainly, used detent mechanism can also adopt other conventional methods, does not enumerate one by one at this, but can not therefore be interpreted as two kinds at this point of the used detent mechanisms of the present invention.
Locking mechanism is the locating slot 14 that is arranged on swiveling head 2 inwalls, with the positioning convex 13 that can fasten with locating slot 4 that is arranged on the locking piece 4; Or be arranged at locating slot 14 on the locking piece 4, with the positioning convex 13 that can fasten with locating slot 4 that is arranged on swiveling head 2 inwalls.When needs are changed different instruments, pressure-lock part 4, make locking piece 4 moving radially along output shaft 18, and the axis of close output shaft 18, when being pressed into mobile degree, the locating slot 14 that positioning convex 13 on the locking piece 4 breaks away from the swiveling head 2, meanwhile, slip pushing block 5 also moves right under the effect of the latch ramp 15 on its pushing block inclined-plane 16 and the elongated insertion part 4, the left end of connector 10 is separated with the driven shaft 19 of operating system 8, and concrete course of action has detailed description below.At this moment just can rotating turret 2, the centre of gyration that makes swiveling head 2 drive operating systems 8 wraparound rotary heads 2 rotates, and makes operating system 8 be converted to another kind of duty from a kind of duty.Used locking mechanism can also adopt other conventional methods, does not enumerate one by one at this, but can not therefore be interpreted as that the used locking mechanism of the present invention is a kind of at this point.
Clamping mechanism is the groove 17 that is arranged on the swivel head 3, passes at least one draw-in groove 12 that insert groove 17 backs with the permission buckle 11 that is arranged at the buckle 11 that extends at the axis along output shaft 18 on the locking piece 4 and be arranged on the tool base 1.When electric tool was in running order, the buckle 11 on the locking piece 4 was positioned at groove 17 and draw-in groove 12 simultaneously, and at this moment swivel head 3 all can not rotate with swiveling head 2, is in the relative fixed state with tool base 1 and operating system 8.When needs are regulated the diverse location of operating system 8, pressure-lock part 4, make buckle 11 the moving radially on the locking piece 4 along output shaft 18, after being pressed into mobile degree, buckle 11 breaks away from draw-in groove 12 and groove 17 respectively, at this moment just can make swiveling head 2, swivel head 3, locking piece 4 and operating system 8 are all rotated around the axis of output shaft 18, when turning to another one draw-in groove 12, unclamp locking piece 4, buckle 11 is resetted, embed again in this draw-in groove 12 and the groove 17, finish the adjustment process of a position, we are provided with 4 draw-in grooves 12 as can see from Figure 1 on tool base 1, therefore corresponding operating position also has 4, and concrete position can be referring to 4~5.Certainly, used clamping mechanism can also adopt other conventional methods, does not enumerate one by one at this, but can not therefore be interpreted as that the used clamping mechanism of the present invention is a kind of at this point.
In toggle mechanism, one end of slip pushing block 5 is positioned at the chute of locking piece 4, on slip pushing block 5, be provided for promoting the projection of connector 10, on connector 10, block 27 is set, step 28 is set on output shaft 18, between the step 28 of the block 27 of connector 10 and output shaft 18, spring 6 is arranged; The other end at slip pushing block 5 is provided with pushing block inclined-plane 16, and the latch ramp 15 that can cooperate with pushing block inclined-plane 16 is set on another locking piece in paired locking piece 4.When pressure-locking part 4, under the latch ramp 15 on the locking piece 4 and the acting in conjunction on the pushing block inclined-plane 16 on the slip pushing block 5, force the slip pushing block to move along the axis direction of output shaft 18, projection on the slip pushing block 5 drives connector 10 and moves along axis direction together, and the left end of connector 10 and driven shaft 19 are broken away from.At this moment, locator protrusions 13 on the locking piece 4 just in time also leaves the locating slot 14 on the swiveling head 2, therefore, can rotating turret 2, driving operating system 8 rotates, rotating turret 2 makes operating system 8 be transformed into another state (screwdriver), so just need not change used electric tool continually, as long as just can reach the purpose of replacing easily and quickly from a state (as drill bit).Used toggle mechanism can also adopt other conventional methods, does not enumerate one by one at this, but can not therefore be interpreted as that the used toggle mechanism of the present invention is a kind of at this point.
At the outside of connector 10 cover sliding sleeve 7, the internal diameter of this sliding sleeve 7, can promote connector 10 by block 27 and move together when moving with convenient sliding sleeve 7 less than the external diameter of block 27; Back-up ring 29 is set on sliding sleeve 7, and the projection on the slip pushing block 5 is withstood back-up ring 29, when slip pushing block 5 moves, can promote sliding sleeve 7 by its projection and back-up ring 29 and move together; Be provided for spring 6 that sliding sleeve 7 is resetted at sliding sleeve 7, one end of this spring 6 contacts with back-up ring 29, the other end contacts with spring support 9 in being installed on locking piece 4, so that after unclamping elongated insertion part, can sliding sleeve 7 be resetted.
Several different course of action are described below:
As shown in Figure 8, when electric tool is in running order, can see from the position shown in A1 and the B1, buckle 11 on the locking piece 4 and 12 engagements of the draw-in groove on the tool base 1, positioning convex 13 on the locking piece 4 and 14 engagements of the locating slot on the swiveling head 2, the two ends of connector 10 utilize outer-hexagonal 22 engagements on the output shaft 18 of the outer-hexagonal on hexagonal 20 and operating system 8 and tool base 1 in it respectively, swiveling head 2, swivel head 3 all can not rotate in this state, thereby operating system 8 obtains stable duty.
As shown in Figure 9, when locking piece 4 is pressed certain position, can see from A2, the positioning convex 13 on the locking piece 4 and the locating slot 14 of swiveling head 2 break away from mutually, pushing block inclined-plane 16 on the slip pushing block 5 is under latch ramp 15 pushings of locking piece 4, force slip pushing block 5 to move along the axis direction of output shaft 18, sliding sleeve 7 drives connector 10 and moves along same axis under the promotion of slip pushing block 5, thereby the left end of connector 10 and operating system 8 are broken away from, swiveling head 2 is rotatable in this state, thereby reaches the purpose that can switch operating system 8.Can see from B2, the buckle 11 of locking piece 4 still with draw-in groove 12 engagement of tool base 1, swivel head 3 can not rotate in this state, thereby makes the operation of switching operating system more quick.
As shown in figure 10, when continuing to pressure-lock part 4, making locking piece 4 by by the time to the another location, can see from A3 and B3, buckle 11 on the locking piece 4 and the draw-in groove on the tool base 1 12 break away from, positioning convex 13 and the locating slot on the swiveling head 2 14 on the locking piece 4 break away from, connector 10 and operating system 8 also are in disengaged position, in this state, swiveling head 2, swivel head 3 all are revolvable, the user can be switched operating system 8 and twisting swivel head 3, thereby adjusts to duty of suitable own use habit.
Claims (9)
1. multiple-operation system rotary electric tool, in tool base (1), dynamical system and operating system are housed, clutch end in tool base (1) has operating system (8), it is characterized in that: same paired locking piece (4) is housed in paired swivel head (3), connector (10) is arranged in paired locking piece (4), in the outside of paired swivel head (3) is paired swiveling head (2), go up installation at least one operating system (8) at paired swiveling head (2), the output shaft of dynamical system (18) is connected with connector (10), and the other end of connector (10) is detachable shape with driven shaft (19) in the operating system (8) and is connected;
The detent mechanism one only allow connector (10) to move along the axis direction of output shaft (18) is set between output shaft (18) and connector (10); Same setting only allows the detent mechanism two that connector (10) moves along the axis direction of driven shaft (19) between operating system (8) and connector (10);
Be provided for controlling the locking mechanism that can swiveling head (2) rotate relative to locking piece (4) at the swiveling head (2) and the connecting portion of locking piece (4);
Be provided for controlling the clamping mechanism that can swivel head (3) rotate around output shaft (18) at the connecting portion of locking piece (4) and swivel head (3) and tool base (1);
On locking piece (4), be provided with being used to of can moving along the axis of output shaft (18) promote connector (10) action, with the toggle mechanism of control connection part (10) with the connection status of driven shaft (19).
2. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: detent mechanism one is for to be arranged at the polygon cavity of connector (10) inwall, and be arranged on output shaft (18) and the driven shaft (19) with the corresponding polygon cylinder of polygon cavity.
3. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: detent mechanism one is for being arranged at projection or the pit on connector (10) inwall, and be arranged on output shaft (18) and the driven shaft (19) can with projection or mutual chimeric pit or the projection of pit on connector (10) inwall.
4. multiple-operation system rotary electric tool as claimed in claim 1 is characterized in that: locking mechanism is for being arranged at locating slot (14) on swiveling head (2) inwall, with the positioning convex (13) that can fasten with locating slot (4) that is arranged on the locking piece (4); Or be arranged at locating slot (14) on the locking piece (4), with the positioning convex (13) that can fasten with locating slot (4) that is arranged on swiveling head (2) inwall.
5. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: clamping mechanism is for being arranged at the groove (17) on the swivel head (3), pass at least one draw-in groove (12) that insert groove (17) back with the permission buckle (11) that is arranged at the buckle (11) that extends at the axis on the locking piece (4) and be arranged on the tool base (1) along output shaft (18).
6. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: in toggle mechanism, one end of slip pushing block (5) is positioned at the chute of locking piece (4), on slip pushing block (5), be provided for promoting the projection of connector (10), block (27) is set on connector (10), step (28) is set on output shaft (18), between the step (28) of the block (27) of connector (10) and output shaft (18), spring (6) is arranged; The other end at slip pushing block (5) is provided with pushing block inclined-plane (16), and the latch ramp (15) that can cooperate with pushing block inclined-plane (16) is set on the locking piece in paired locking piece (4).
7. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: rotary hole (24) and rotating hole (23) are set respectively on swiveling head (2) and swivel head (3), on locking piece (4) elongated insertion part is set, this elongated insertion part can pass rotating hole (23) and rotary hole (24); In paired locking piece (4), be provided for making paired locking piece (4) because of push near the back, can automatically reset spring (26).
8. multiple-operation system rotary electric tool as claimed in claim 1, it is characterized in that: guide pillar (25) is set on swivel head (3), guide hole (21) is set on locking piece (4), guide pillar (25) inserts in the guide hole (21), and go up sleeve spring (26) at the one section guide pillar (25) that stretches out guide hole (21), the two ends of this spring (26) contact with the end face of guide hole (21) on paired two locking pieces (4) respectively.
9. multiple-operation system rotary electric tool as claimed in claim 6, it is characterized in that: at the outside of connector (10) cover sliding sleeve (7), the internal diameter of this sliding sleeve (7) is less than the external diameter of block (27), back-up ring (29) is set on sliding sleeve (7), projection on the slip pushing block (5) is withstood back-up ring (29), be provided for spring (6) that sliding sleeve (7) is resetted at sliding sleeve (7), one end of this spring (6) contacts with back-up ring (29), and the other end spring support (9) interior with being installed on locking piece (4) contacts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100981474A CN100421880C (en) | 2006-11-30 | 2006-11-30 | Multiple-operation system rotary electric tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100981474A CN100421880C (en) | 2006-11-30 | 2006-11-30 | Multiple-operation system rotary electric tool |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1970239A CN1970239A (en) | 2007-05-30 |
CN100421880C true CN100421880C (en) | 2008-10-01 |
Family
ID=38111357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100981474A Expired - Fee Related CN100421880C (en) | 2006-11-30 | 2006-11-30 | Multiple-operation system rotary electric tool |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100421880C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102328303B (en) * | 2011-08-17 | 2014-02-26 | 王凤彦 | Auxiliary tool combining blind rivet and drilling functions |
CN105729411B (en) * | 2013-01-08 | 2017-11-07 | 苏州宝时得电动工具有限公司 | Hand-held tool |
CN108380965B (en) | 2013-04-04 | 2021-02-19 | 米沃奇电动工具公司 | Electric tool |
CN105983733A (en) * | 2014-09-19 | 2016-10-05 | 苏州宝时得电动工具有限公司 | Hand-held power tool |
US12011840B2 (en) | 2021-09-22 | 2024-06-18 | Harbor Freight Tools Usa, Inc. | Rotatable tool head |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783955A (en) * | 1971-04-21 | 1974-01-08 | Gkn Screws Fasteners Ltd | Power tool |
EP0673723A1 (en) * | 1994-03-23 | 1995-09-27 | Black & Decker Inc. | Drill configuration |
GB2343646A (en) * | 1998-11-14 | 2000-05-17 | Michael Burvill | Power tool with multiple chucks |
DE20205898U1 (en) * | 2002-04-16 | 2002-09-12 | Rumpf, Willi, 56370 Gutenacker | Cordless or electric drill / screwdriver with 2 drill chucks on one device |
US6715969B2 (en) * | 2000-09-28 | 2004-04-06 | Steen Mandsfelt Eriksen | Hand-held turret drill |
DE20122326U1 (en) * | 2000-09-28 | 2005-04-28 | Eriksen, Steen Mandsfelt | Tool turret for a portable drill comprises each chuck spindle position having a locking notch and each spindle a dog clutch mating with a slidable sleeve on the motor spindle which when slid back releases the lock and spindle |
WO2005049281A1 (en) * | 2003-11-24 | 2005-06-02 | Whitehot Solutions Pty Ltd | Twin chuck drill with one drive shaft |
-
2006
- 2006-11-30 CN CNB2006100981474A patent/CN100421880C/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3783955A (en) * | 1971-04-21 | 1974-01-08 | Gkn Screws Fasteners Ltd | Power tool |
EP0673723A1 (en) * | 1994-03-23 | 1995-09-27 | Black & Decker Inc. | Drill configuration |
GB2343646A (en) * | 1998-11-14 | 2000-05-17 | Michael Burvill | Power tool with multiple chucks |
US6715969B2 (en) * | 2000-09-28 | 2004-04-06 | Steen Mandsfelt Eriksen | Hand-held turret drill |
DE20122326U1 (en) * | 2000-09-28 | 2005-04-28 | Eriksen, Steen Mandsfelt | Tool turret for a portable drill comprises each chuck spindle position having a locking notch and each spindle a dog clutch mating with a slidable sleeve on the motor spindle which when slid back releases the lock and spindle |
DE20205898U1 (en) * | 2002-04-16 | 2002-09-12 | Rumpf, Willi, 56370 Gutenacker | Cordless or electric drill / screwdriver with 2 drill chucks on one device |
WO2005049281A1 (en) * | 2003-11-24 | 2005-06-02 | Whitehot Solutions Pty Ltd | Twin chuck drill with one drive shaft |
Also Published As
Publication number | Publication date |
---|---|
CN1970239A (en) | 2007-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100421880C (en) | Multiple-operation system rotary electric tool | |
CA2550779C (en) | Bit holding apparatus for use with power tools | |
CN210996564U (en) | Hand-held power tool | |
US9193045B2 (en) | Tool attachment | |
AU2011206919B2 (en) | A multi-bit tool | |
US9981364B2 (en) | Hand tool impacting device with floating pin mechanism | |
CN102271869A (en) | Machine tool having a spindle driven by a drive apparatus | |
US20170239801A1 (en) | Angle tool | |
CN102470519B (en) | Striking device | |
CN103201074A (en) | Mechanical striking mechanism for a hand machine tool | |
CN107414745B (en) | Chuck device and electric tool provided with same | |
CA2145116A1 (en) | Drill configuration | |
CN201086206Y (en) | Tool switching mechanism of drilling and milling equipment | |
WO2020048529A1 (en) | Handheld power tool, and control method and operation method therefor | |
CN104043861A (en) | Working head and power tool | |
CN115338832A (en) | Hand-held power tool | |
CN104369145A (en) | Screw clamping device | |
JP4526229B2 (en) | Screwdriver for hand tool device | |
WO2018082717A1 (en) | Power tool and method for operation thereof | |
CN106142022B (en) | Electric tool and its torsion switching device | |
CN215148796U (en) | Processing device | |
US8429802B2 (en) | Keyless arbor device and method of using | |
CN201702401U (en) | Grip | |
CN2827590Y (en) | Closefisted drill chuck with lock | |
CN85201293U (en) | Autoswitchable tapping chuck |
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 | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20151130 |
|
EXPY | Termination of patent right or utility model |