CN101450480B - Holding device for bits - Google Patents

Holding device for bits Download PDF

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Publication number
CN101450480B
CN101450480B CN2008101816717A CN200810181671A CN101450480B CN 101450480 B CN101450480 B CN 101450480B CN 2008101816717 A CN2008101816717 A CN 2008101816717A CN 200810181671 A CN200810181671 A CN 200810181671A CN 101450480 B CN101450480 B CN 101450480B
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CN
China
Prior art keywords
instrument
holding device
operating parts
receiving member
locking piece
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
Application number
CN2008101816717A
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Chinese (zh)
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CN101450480A (en
Inventor
J·赫奇特
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN101450480A publication Critical patent/CN101450480A/en
Application granted granted Critical
Publication of CN101450480B publication Critical patent/CN101450480B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007Connections or joints between tool parts
    • B25B23/0035Connection means between socket or screwdriver bit and tool
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/08Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/12Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Coating Apparatus (AREA)

Abstract

The present invention relates to a holding device for bits, comprising a containing member (2) having a containing opening (2a) and a radial first radial opening; a magnet arranged on an end reverse to the containing member and the containing opening to holding the bits in the containing member with magnetic force; a locking member arranged in the first radial opening of the containing member to lock the bits in the containing member; an operation member for operating the locking member to lock the bits in the containing member; a release assisting member for releasing the bits, the release assisting member being arranged in a second radial opening formed in the containing member along radial direction and being capable of contacting with the end zone of the bits in release state of the locking member to space the magnet from the bits; and an elastic body applying pre-tightening force onto the operation member and resetting the operation member to the initial position.

Description

The holding device that is used for instrument
Technical field
The present invention relates to a kind of holding device that is used for instrument (Bits), it is used in for example electric drilling machine of electric tool or the battery screwdriver etc.
Background technology
Motor-driven screwdriver just is proved to be functional for a long time as electric tool.Wherein particularly the battery screwdriver is favourably welcome, because the time do not have the cable etc. of interference in work.Known chasing tool is useful on the holding device of instrument, and in this holding device, instrument is held by magnetic force.Instrument is arranged in the receiving member at this, and can be by changing along axial tractive.Wherein circulated on the market so-called C instrument and so-called E instrument, the C instrument has the periphery of hexagonal, has little recess on the limit, the E instrument have have around the hexagonal circumference of groove.But particularly the C instrument has very short axial length.Change this instrument with hand and be difficult to usually,, and be used to keep the magnetic force of instrument bigger because instrument is difficult to clamp with finger.Thus, need use pliers or another kind of instrument for the replacing instrument usually, utilize this instrument the outstanding head of instrument can be clamped, and overcome magnetic force and pull it.Therefore, the replacing instrument is more loaded down with trivial details and expend time in.
Summary of the invention
Holding device of the present invention with feature of claim 1 has following advantage by contrast, and promptly it can additionally support dispose procedure when releasing tool.Can overcome at least a portion magnetic confining force thus, thereby can easily instrument be taken out from holding device with hand.This point can realize simply also under following situation that particularly promptly instrument is very short, and correspondingly only protrudes in the receiving member of holding device in very little scope.According to the present invention, this point is achieved by following measure, and promptly holding device comprises receiving member and locking piece, and receiving member has the magnet that is arranged on its end.Locking piece will be inserted into the instrument locking in the receiving member.Holding device also comprises operating parts, and this operating parts can be operated from the outside and locking piece be operated, so that the instrument in the receiving member that makes locks or release.Be provided with the release auxiliary member in position near the end regions of the instrument that inserts.No longer tool lock regularly should be discharged auxiliary member at locking piece can contact with the end regions of instrument, and instrument is interval in magnet with a gap width.Between instrument and magnet, produce a gap thus, thereby the magnetic force that affacts on the instrument reduces widely.Elastic component is applied to a pretightning force on the operating parts, and after removing the manual power that is used for operating parts is operated, operating parts returns to initial position.Therefore according to the invention provides a kind of holding device, this holding device is the release of support facility automatically, so that overcome magnetic force easily.Instrument can easily manually be pulled out then.
Dependent claims has illustrated preferred improvement of the present invention.
The preferred operations part comprises and the first up-wards inclination part that discharges the auxiliary member mating reaction.Can discharge that auxiliary member partly contact with up-wards inclination and on the end regions that radially presses against the instrument that is arranged in receiving member by the manual operation of operating parts is made thus.Because by to the operation of operating parts simultaneously also with the locking piece release, so can overcome the magnet confining force and move axially easily by a process implementation tool.
In order to realize as far as possible compact and small and exquisite structure, first elastic component directly is supported on the receiving member, for example is supported on step or is supported on the backstop that is arranged on the receiving member.
The locking piece of maintaining body and/or release auxiliary member be ball or pin or sheet material preferably.Locking piece and fixes on tool lock in the receiving member in this preferably is inserted into recess in the instrument.Operating parts is herein in initial position, thereby instrument is in the lock state.
The preferred operations part has the second up-wards inclination part that contacts with locking piece in addition.Also can realize locking piece moving radially between lock-out state and released state by second up-wards inclination part.
Preferably design according to of the present invention another, holding device also comprises an independent member of dishing out (Auswurfbauteil) that contacts with the release auxiliary member.This member of dishing out discharges auxiliary member in this operation.The member of dishing out preferably includes the up-wards inclination part that can contact with the release auxiliary member.
Preferred in addition holding device also comprises second elastic component, and during with the locking piece release, this second elastic component is applied to a pretightning force on the member of dishing out at operating parts.Therefore the operating parts and the member of dishing out are simultaneously operated, and wherein locking piece releasing tool and release auxiliary member overcome at least a portion magnet confining force.
The elastic force that is used for second elastic component of pretension release auxiliary member preferably is equal to or greater than the magnetic force that is used for instrument is remained on receiving member.Guarantee instrument thus slightly away from magnet, thereby guarantee with hand instrument to be taken out from receiving member easily.
The preferred operations part is the sliding part that leads on receiving member.Alternatively, operating parts is a sleeve, and this sleeve also can be along moving axially around the receiving member setting.Sleeve has following advantage, and promptly it can be clamped easily.
Holding device of the present invention preferably is used in motor-driven instrument for example in battery screwdriver or the another kind of electric tool.Holding device of the present invention is guaranteed particularly can use small tool extremely successful in market without a doubt at this, and need not to use in order to make instrument break away from from holding device pliers or another kind of auxiliary body.
Description of drawings
The contrast accompanying drawing describes the preferred embodiments of the present invention in detail below.Shown in the figure:
Fig. 1 and 2 is the schematic cutaway view of holding device under different lock-out states according to first embodiment of the invention;
Fig. 3 is the schematic cutaway view according to the holding device of second embodiment of the invention;
Figure 4 and 5 are the schematic cutaway view of holding device under different lock-out states according to third embodiment of the invention;
Fig. 6 is the schematic cutaway view according to the holding device of fourth embodiment of the invention;
Fig. 7 is the schematic cutaway view according to the holding device of fifth embodiment of the invention;
Fig. 8 and 9 is the schematic cutaway view of holding device under different lock-out states according to sixth embodiment of the invention;
Figure 10 is the schematic cutaway view according to the holding device of seventh embodiment of the invention;
Figure 11 is the schematic cutaway view according to the holding device of eighth embodiment of the invention; With
Figure 12 is the schematic cutaway view according to the holding device of ninth embodiment of the invention.
The specific embodiment
Contrast Fig. 1 and 2 describes the holding device 1 according to first embodiment of the invention in detail below.
As seen from Figure 1, holding device 1 comprises receiving member 2, so that hold instrument 5.Instrument 5 is the cross grooved screwdriver with bar of hexagonal in the present embodiment.The end structure of instrument 5 have around chamfering 5a.Be configured with recess 5b in the zone line on the seamed edge of the matrix of the hexagonal of instrument 5.The receiving member 2 of holding device 1 comprises utensil receiving opening 2a.In receiving member 2, also be configured with radially in first radial port 3 and second radial port 9 of the axial X-X of holding device.
Be provided with the magnet 4 in receiving member in the end of receiving member 2.Magnet 4 has being inserted into the maintenance function of the instrument 5 in the receiving member 2.In order to keep instrument 5 securely, also be provided with locking piece 6.Locking piece 6 is arranged in first radial port 3 in the receiving member 2.Holding device 1 also comprises the operating parts 7 that has the first up-wards inclination part 7a and the second up-wards inclination part 7b.Operating parts 7 is in this and locking piece 6 mating reactions, so as to make in the receiving member 2 instrument 5 lockings or discharge.Be provided with first elastic component 10 in addition, the one end is supported on the operating parts 7, and the other end is supported on first backstop 11.First backstop 11 is arranged on the receiving member 2 at this.Second backstop 12 limits the resting position of operating parts 7 at this.
Fig. 1 is in the latched position of holding device this illustrate 1, and in this position, the instrument in the receiving member 2 is by locking piece 6 lockings.At this, locking piece 6 is embedded among one of recess 5b of instrument 5.In addition, instrument 5 contacts with magnet 4.Therefore in latched position, instrument 5 is fixed by the magnetic force of magnet 4 and by locking piece 6.First elastic component 10 guarantees that at this operating parts 7 remains on this latched position.Under lock-out state, face 7c and locking piece 6 directed on axial X-X act on.Face 7c is right after the second up-wards inclination part 7b at this and is provided with.
For instrument 5 is taken out from receiving member 2, as among Fig. 2 with shown in the arrow A, operating parts 7 moves along the direction of the utensil receiving opening 2a of receiving member 2 point-blank.Must overcome the power of first elastic component 10 at this.By moving of operating parts 7, the power that radially acts on locking piece 6 of operating parts 7 is eliminated, because face 7b breaks away from and the effect of locking piece 6.In addition, by moving axially of operating parts 7, the first up-wards inclination part 7a contacts with release auxiliary member 8.Discharging auxiliary member 8 thus radially moves inward along the direction of arrow B.Discharge auxiliary member 8 thus and contact, move thereby instrument 5 leaves magnet 4 along the direction of arrow C with the chamfering 5a of instrument 5.Be created in the end of instrument 5 and the gap 13 between the magnet 4 thus.Make the magnetic pull of magnet significantly reduce thus, thereby instrument 5 can take out easily from receiving member 2 with hand, even have only of weak point of instrument 5 to protrude in utensil receiving opening 2.
In case operating parts 7 is released, first elastic component 10 just guarantees that operating parts 7 returns to the initial position shown in Fig. 1 again.
For another instrument is inserted in the receiving member 2, make operating parts 7 move, thereby locking piece 6 is along radially can move freely along the direction of arrow A, thus can be so that instrument 5 inserts.When the instrument of insertion, instrument is also attracted by magnet 4, and is attracted to the final position of regulation by magnet.Operating parts 7 can be released once more then, and wherein the medial surface of operating parts 7 moves to locking piece 6 tops by the second up-wards inclination part 7b until face 7c.
Need explanation in addition, on first radial port 3 and inner radial zone second radial port 9, be provided with a mouthful diameter narrowed portion, drop into mouthfuls 2 inside to avoid the being configured to locking piece 6 of ball respectively or to discharge auxiliary member 8.The operating parts 7 of first embodiment is a sliding part at this.
Therefore according to the invention provides a kind of holding device that is used for electric tool, this holding device can be implemented in the reliable maintenance of instrument 5 in the receiving member 2, if replacing instrument 5, then after operating parts 7 is operated, instrument 5 breaks away from magnet 4 automatically, thereby can easily instrument 5 be taken out from receiving member 4 with hand.
Contrast Fig. 3 describes the holding device 1 according to second embodiment of the invention in detail below.Part identical or identical function indicates and Reference numeral identical in first embodiment.
Second embodiment is identical with first embodiment basically, and difference is that with regard to second embodiment, in the latched position shown in Fig. 3, the locking piece 6 that is configured to ball is held by the second up-wards inclination part 7b.Therefore locking piece 6 is pressed in the recess 5b in the instrument 5, thus with instrument 5 lockings by the second up-wards inclination part 7b.Can also save second backstop thus, because the latched position of final position by locking piece limits in the end of operating parts 7.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
Figure 4 and 5 illustrate the holding device 1 of a third embodiment in accordance with the invention, and part wherein identical or identical function indicates and identical in the aforementioned embodiment Reference numeral equally.
With the difference of previous embodiment be, be used to open or the direction of motion of the operating parts 7 of locking tool 5 opposite.Therefore, be used to discharge the first and second up-wards inclination part 7a and the 7b and the anti-phase orientation of previous embodiment of auxiliary member 8 or locking piece 6.Fig. 4 is at the lock-out state of instrument this illustrate 5, and wherein the second up-wards inclination part 7b is applied to a radial load on the locking piece 6 along the pretightning force by first elastic component 10 radially, thus locking piece 6 in the recess 5b of instrument 5 with instrument 5 lockings.In order to open locking, as shown in Figure 5, make that manually operating parts 7 is along arrow A ' direction move, thus first elastic component 10 is compressed.By moving of locking piece 7, the first up-wards inclination part 7a contact with discharging auxiliary member 8, and release auxiliary member 8 radially moves inward, as among Fig. 5 shown in the usefulness arrow B.Discharge auxiliary member 8 thus and contact with the chamfering 5a of instrument 5 once more, thereby be created in gap 13 between magnet 4 and the instrument 5.Because locking piece 6 is no longer radially inwardly pressed by operating parts 7 now, so instrument 5 can easily be pulled out from receiving member 2.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
Fig. 6 illustrates the holding device 1 of a fourth embodiment in accordance with the invention.Part wherein identical or identical function indicates and identical in the aforementioned embodiment Reference numeral equally.
The 4th embodiment is identical with the 3rd embodiment basically, and wherein the release auxiliary member of the 4th embodiment is a pin 18.Pin 18 is provided with the end regions of rounding, thereby it can contact reliably with chamfering 5a on the instrument 5 or with the first up-wards inclination part 7a on the operating parts 7, and bending can not occur.Second radial port 9 is in this physical dimension corresponding to pin 18.In other parts, present embodiment is identical with the 3rd embodiment, thereby can be referring to the explanation that provides there.
Fig. 7 illustrates holding device 1 according to a fifth embodiment of the invention, and parts wherein identical or identical function indicate and identical in the aforementioned embodiment Reference numeral.
As seen from Figure 7, holding device 1 also comprises the member of dishing out (Auswurfbauteil) 14 that has up-wards inclination part 14a.The member 14 of dishing out is a sleeve at this, and up-wards inclination part 14a can with discharge auxiliary member 18 and contact, this release auxiliary member 18 is pin in the present embodiment.First elastic component 10 is arranged at this and dishes out between member 14 and the operating parts 7.At this, operating parts 7 has stair-stepping step 7d.As seen from Figure 7, first elastic component 10 is supported on step 7d and dishes out between the member 14 at this.It is too far away that backstop 15 prevents that at this elastic force of first elastic component 10 from extruding holding device with operating parts 7.Fig. 7 also shows lock-out state at this, and wherein face 7c contacts with locking piece 6, and locking piece 6 is held with instrument 5 under lock-out state.The up-wards inclination part 14a of member 14 of dishing out abuts on the pin 18 at this, the wherein following selection of the elastic force of first elastic component 10, and promptly under lock-out state, the size that affacts the power on the pin 18 is not enough to make instrument 5 and magnet to separate.If instrument 5 is taken out from receiving member 2, then operating parts 7 (it is sleeve in the present embodiment) along arrow A ' direction move, thereby the additional power that compresses by first elastic component 10 is applied on the pin 18 via the up-wards inclination part 14a of the member 14 of dishing out.By moving of operating parts 7, locking piece 6 is released, so the member 14 of dishing out can be so that pin 18 presses against on the chamfering 5a of instrument 5 along B radially.Make instrument 5 leave magnet 4 thus, and can easily it be taken off.For the member 14 that prevents from when the release to dish out drops out, also additionally on the excircle of receiving member 2, be provided with backstop 16 under the situation that operating parts 7 moves along the direction of arrow A.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
Contrast Fig. 8 and 9 detailed descriptions are according to the holding devices 1 of sixth embodiment of the invention below.Part identical or identical function indicates and identical in the aforementioned embodiment Reference numeral equally.
Different with previous embodiment is, has two elastic components according to the holding device 1 of the 6th embodiment, i.e. first elastic component 10 and second elastic component 20.Second elastic component 20 is arranged on backstop 11 and is used to discharge the dishing out between the member 14 of auxiliary member 8.First elastic component 10 is arranged on another backstop 15 and operating parts 7 exactly between the step 7d on the operating parts 7.As shown in Figure 8, first elastic component 10 is guaranteed the position that locks at this.The elastic force of first elastic component 10 is in this elastic force greater than second elastic component 20.
If, then as shown in Figure 9, make operating parts 7 move along the direction of arrow A with instrument 5 releases.First elastic component 10 is compacted thus, and locking piece 6 is released.Present thus second elastic component 20 can be so that the member 14 of dishing out moves along the direction of arrow D, thereby the up-wards inclination part 14a of the member 14 of dishing out presses against and discharges on the auxiliary member 8.As with shown in the arrow B, make thus to discharge auxiliary member 8 on the chamfering 5a that radially presses against instrument 5, thereby instrument 5 is interval in magnet 4.Be created in the gap 13 between the end of magnet 4 and instrument 5 thus, thereby can easily instrument 5 be taken off with hand.If operating parts 7 unclamps once more, then first elastic component 10 makes operating parts 7 return to the initial position shown in Fig. 8 again, wherein guarantee: if there is not instrument to insert in storing apparatus 2, locking piece 6 and release auxiliary member 8 can not drop in the hexagonal recess of receiving member 2.In order to insert a new instrument, make operating parts 7 also move then, to avoid stopping the insertion path of instrument in receiving member 2 because of locking piece 6 along the direction of arrow A.So the instrument 5 that inserts makes locking piece 6 along radially outward moving back, can insert fully then, wherein towards the end of inserting the path, magnet 4 automatically attracts instrument 5.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
Figure 10 illustrates holding device 1 according to a seventh embodiment of the invention, and part wherein identical or identical function indicates and identical in the aforementioned embodiment Reference numeral.The 7th embodiment is identical with the 6th embodiment basically, and wherein the release auxiliary member of the 7th embodiment is a pin 18.In other parts, present embodiment is identical with the 6th embodiment, thereby can be referring to the explanation that provides there.
Figure 11 illustrates the holding device 1 according to the eighth embodiment of the present invention, and part wherein identical or identical function indicates and identical in the aforementioned embodiment Reference numeral equally.
The 8th embodiment is identical with the 6th or the 7th embodiment basically, and wherein difference is, be used to lock or the direction of motion of the operating parts 7 of release opposite.First elastic component 10 is arranged between backstop 11 and the operating parts 7 for this reason.Second elastic component 20 is as being arranged on backstop 11 and dishing out between the member 14 in the 6th or the 7th embodiment.The position of the step 7d and the second up-wards inclination part 7b is also interchangeable on operating parts 7, thereby first elastic component 10 abuts on the step 7d of operating parts 7.The direction of motion that is used for release of operating parts 7 at Figure 11 with arrow A ' illustrate.This set can be realized the particularly special compact structure aspect the axial length of receiving member 2.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
Figure 12 illustrates the 9th embodiment according to holding device 1 of the present invention, and part wherein identical or identical function indicates and identical in the aforementioned embodiment Reference numeral.The 9th embodiment is identical with the 6th embodiment basically, and wherein the difference with the 6th embodiment is, with regard to the 9th embodiment, the member 14 of dishing out changes at the axial location that discharges on the auxiliary member 8.As seen from Figure 12, the member 14 of dishing out is arranged on the opposite side that discharges auxiliary member 8 in the direction opposite with utensil receiving opening 2a, and the up-wards inclination part 14a of the member 14 of wherein dishing out also contacts with the release auxiliary member that is configured to ball.At this, second elastic component 20 is supported on the backstop 12, thereby it is arranged on backstop 12 and dishes out between the member 14.The direction of operating A of operating parts 7 is also with identical in the 6th embodiment.In other parts, present embodiment is identical with previous embodiment, thereby can be referring to the explanation that provides there.
For all embodiment, need explanation, operating parts 7 not only can be a sliding part but also can be the sleeve that surrounds receiving member 2 fully.Equally, the Fu Jia member 14 of dishing out (if setting) can be set to slide unit or sleeve-like part.

Claims (10)

1. a holding device is used for maintenance instrument (5), comprising:
-being used to hold the receiving member (2) of instrument (5), wherein said receiving member (2) has utensil receiving opening (2a) and directed diametrically first radial port (3) that is on axial (X-X);
-magnet (4), this magnet be arranged on described receiving member (2) along axially with the reverse end of described utensil receiving opening (2a) on so that described instrument (5) is remained in the described receiving member (2) by magnetic force;
-locking piece (6), this locking piece are arranged in first radial port (3) of described receiving member (2), so that described tool lock is fixed in the described receiving member (2);
-operating parts (7), this operating parts are operated described locking piece (6), so that described tool lock is fixed in the described receiving member (2);
-be used to discharge the release auxiliary member (8 of described instrument (5); 18), this release auxiliary member is arranged in second radial port (9) that radially forms in described receiving member (2), and under the release conditions of described locking piece (6), can contact with the end regions (5a) of described instrument (5), so that make described instrument (5) and described magnet (4) separately; With
-the first elastic component (10), it is applied to pretightning force on the described operating parts (7), and makes described operating parts (7) return to initial position,
Under the release conditions of locking piece (6), discharge auxiliary member (8; 18) in second radial port (9), radially inwardly be provided with movably.
2. holding device as claimed in claim 1 is characterized in that, described operating parts (7) has first up-wards inclination part (7a) with described release auxiliary member (8) mating reaction.
3. each described holding device in the claim as described above is characterized in that described first elastic component (10) is supported on described receiving member (2) and goes up or be supported on the backstop (11) that is configured on the described receiving member (2).
4. as each described holding device among the claim 1-2, it is characterized in that described locking piece (6) is ball or pin or sheet material, and described release auxiliary member (8) is ball or pin or sheet material.
5. as each described holding device among the claim 1-2, it is characterized in that described operating parts (7) has second up-wards inclination part (7b), this second up-wards inclination part contacts with described locking piece (6) under lock-out state.
6. as each described holding device among the claim 1-2, it is characterized in that, also comprise the independent member of dishing out (14), this member of dishing out can contact with described release auxiliary member (8), so that operate described release auxiliary member (8).
7. holding device as claimed in claim 6 is characterized in that, also comprises second elastic component (20), and this second elastic component is applied to pretightning force on the described member of dishing out (14).
8. holding device as claimed in claim 7, it is characterized in that, be used for the elastic force of described second elastic component (20) of the described member of dishing out (14) pretension is equal to or greater than the magnetic force that is used for described instrument (5) is remained on the described magnet (4) of described receiving member (2).
9. as each described holding device among the claim 1-2, it is characterized in that described operating parts (7) is sliding part or sleeve.
10. holding device as claimed in claim 6 is characterized in that, the described member of dishing out (14) is sleeve or the sliding part that has up-wards inclination part (14a).
CN2008101816717A 2007-12-05 2008-12-04 Holding device for bits Expired - Fee Related CN101450480B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007058522.7 2007-12-05
DE200710058522 DE102007058522A1 (en) 2007-12-05 2007-12-05 Holding device for bits

Publications (2)

Publication Number Publication Date
CN101450480A CN101450480A (en) 2009-06-10
CN101450480B true CN101450480B (en) 2011-08-03

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EP (1) EP2067577A1 (en)
CN (1) CN101450480B (en)
DE (1) DE102007058522A1 (en)

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Publication number Priority date Publication date Assignee Title
US8381830B2 (en) 2009-05-05 2013-02-26 Black & Decker Inc. Power tool with integrated bit retention device
US8800999B2 (en) 2009-02-27 2014-08-12 Black & Decker Inc. Bit retention device
US8622401B2 (en) 2009-02-27 2014-01-07 Black & Decker Inc. Bit retention device
DE102010002352B4 (en) * 2010-02-25 2021-03-18 Robert Bosch Gmbh Hand machine tool
EP2937181A1 (en) 2014-04-22 2015-10-28 HILTI Aktiengesellschaft Tool holder
DE102015121287A1 (en) * 2015-12-07 2017-06-08 Dürr Assembly Products GmbH Device for automated coupling and uncoupling of a tool attachment and method for automated connection of at least two workpieces
TWI669194B (en) * 2017-12-14 2019-08-21 薪螢企業有限公司 Socket
CN110732888B (en) 2018-07-20 2022-07-26 米沃奇电动工具公司 Tool bit holder

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Publication number Priority date Publication date Assignee Title
EP1140431A1 (en) * 1998-12-19 2001-10-10 Felo-Werkzeugfabrik Holland-Letz Gmbh Chuck for exchangeable tool inserts
CN1151012C (en) * 1999-05-03 2004-05-26 麦克斯泰克制造公司 Quick-connect machanism
JP4238211B2 (en) * 2002-06-10 2009-03-18 ヴェラ・ヴェルク・ヘルマン・ヴェルナー・ゲーエムベーハー・ウント・ツェーオー.カーゲー Tool receiving chuck that can be used by rotating around the axis
US20040164503A1 (en) * 2003-02-21 2004-08-26 Wei-Chuan Fan-Chiang Bit quick-release device
WO2007120893A2 (en) * 2006-04-13 2007-10-25 Insty-Bit, Inc. Automatic tool-bit holder

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EP2067577A1 (en) 2009-06-10
CN101450480A (en) 2009-06-10
DE102007058522A1 (en) 2009-06-10

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