EP1536923A1 - Outil de vissage a tige remplacable - Google Patents

Outil de vissage a tige remplacable

Info

Publication number
EP1536923A1
EP1536923A1 EP03771062A EP03771062A EP1536923A1 EP 1536923 A1 EP1536923 A1 EP 1536923A1 EP 03771062 A EP03771062 A EP 03771062A EP 03771062 A EP03771062 A EP 03771062A EP 1536923 A1 EP1536923 A1 EP 1536923A1
Authority
EP
European Patent Office
Prior art keywords
shaft
locking
screwing tool
tool according
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03771062A
Other languages
German (de)
English (en)
Other versions
EP1536923B1 (fr
Inventor
Michael Abel
André Müller
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.)
Wera Werk Hermann Werner GmbH and Co KG
Original Assignee
Wera Werk Hermann Werner GmbH and Co KG
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 Wera Werk Hermann Werner GmbH and Co KG filed Critical Wera Werk Hermann Werner GmbH and Co KG
Publication of EP1536923A1 publication Critical patent/EP1536923A1/fr
Application granted granted Critical
Publication of EP1536923B1 publication Critical patent/EP1536923B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/0007—Connections or joints between tool parts
    • B25B23/0042—Connection means between screwdriver handle and screwdriver shaft
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S279/00—Chucks or sockets
    • Y10S279/906—Self grasping socket
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17666—Radially reciprocating jaws
    • Y10T279/17692—Moving-cam actuator
    • Y10T279/17743—Reciprocating cam sleeve
    • Y10T279/17752—Ball or roller jaws
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17761—Side detent
    • Y10T279/17786—Spring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17761—Side detent
    • Y10T279/17786—Spring
    • Y10T279/17794—Sleeved

Definitions

  • Screwdrivers with interchangeable blades are known from DE 4401 335 C2 and from DE-Ul 9002085.
  • the actuator initially only displaces the actuating sleeve to such an extent that the shaft is advanced.
  • the relocation to the release position of the locking ball must take place willingly. It is particularly advantageous if you can hear the resistance being overcome.
  • the bushing which forms the cavity for receiving the shaft, has an annular groove in which a snap ring lies. An inwardly directed collar of the actuating sleeve occurs against this snap ring. This creates the noticeable resistance.
  • the groove has such a depth that the snap ring can escape into it. So it has to be compressed if the collar is to be lifted over the snap ring. This is also associated with an audible crack.
  • FIG. 10 shows the subsequent representation of FIG. 8, but in the custody position; 11 shows the section along the line XI-XI in FIG. 5;
  • FIG. 15 shows a sectional illustration of a further exemplary embodiment of the invention in the region of the chuck with a locked actuating sleeve
  • FIG. 16 shows the exemplary embodiment according to FIG. 15 with the actuating sleeve 6 displaced into the release position of the locking ball 13;
  • FIG. 17 shows the embodiment according to FIG. 15 with the actuating sleeve displaced into the release position of the locking ball
  • FIG. 19 shows a sectional position of the exemplary embodiment according to FIG. 18 with the actuating sleeve locked
  • FIG. 20 shows a representation according to FIG. 19 with the actuating sleeve displaced into the release position of the latching ball
  • the 21 shows a representation according to FIG. 19 with the actuating sleeve displaced into the release position of the locking ball.
  • the number 1 denotes a screwing tool, which is composed of a handle 2 and a polygonal shaft 3.
  • the hexagonal shaft 3 can be inserted into an axially arranged cavity 4 of the handle 2.
  • the free end of the polygonal shaft 3 has an actuating section in the form of a chuck 5.
  • the handle 2 is assigned an axially displaceable actuating sleeve 6 at the rear of the opening of the cavity 4.
  • the handle 2 has the shape and shape of a screwdriver booklet.
  • the handle cavity 4 already mentioned is formed by a tube 7 receiving the shaft 3.
  • the tube 7 is seated with about half its body length in a rotationally fixed manner in an axially arranged opening 8 of the handle 2, the opening 8 extending further inwards.
  • the cavity 4 is partially shaped as a polygonal cavity 9 in the insertion area.
  • the tube 7 has at its free end projecting beyond the handle 2 a larger-diameter attack shoulder 10.
  • the tube 7 has radially inserted and axially offset window-like openings 11 and 12, three windows 11 lying in a first plane at an angle of 120 ° to each other and the two windows 12 located diametrically opposite one another in the rearward offset second plane.
  • locking balls 13 are arranged in the windows 11 and locking balls 14 are arranged in the windows 12 in a movement-bound manner.
  • the diameter of the locking balls 13 are dimensioned smaller than the diameter of the locking balls 14 (cf. in particular the representations in FIGS. 11 and 13).
  • the axially displaceable actuating sleeve 6 slides on a section 7 ′ of the tube 7 with a larger diameter.
  • the actuating sleeve 6 is assigned a locking sleeve 15 at the rear.
  • the same locking sleeve 15 also slides on the diameter Larger section 7 'of the tube 7.
  • Both the actuating sleeve 6 and the locking sleeve 15 are spring-loaded in the axial direction by springs 16 and 17 to the outside.
  • the spring 16 is assigned to the actuating sleeve 6 and the spring 17 to the locking sleeve 15. Both springs 16 and 17 are also axially aligned on section 7 'of tube 7.
  • the locking sleeve 15 is completely in an axial position in the bottom of the opening 22, opposite the Opening 22 added reduced diameter opening 23.
  • the spring 16 and the collar 18 of the opening 22 and the spring 17 and the collar 19 of the opening 23 of the handle 2 are assigned.
  • the positioning of the locking balls 13 and the locking balls 14 is such that the locking balls 13 in the section of the tube 7 protruding beyond the handle 2 and the locking balls 14 in the section overlapping the handle 2. section of the tube 7 in the area of the step between the openings 22 and 23 are.
  • the actuating sleeve 6 In order to bring the screwing tool 1 into a position of use, the actuating sleeve 6 has to be displaced inward against the spring force of the spring 16. At the same time, the end face 20 'of the ring section 20 of the actuating sleeve 6 acts on the end face 15' 'of the locking sleeve 15 and causes the same locking sleeve 15 to move inward against the spring force of the spring 17.
  • the screwing tool 1 is in a locked safe position of use, the locking balls 13 forming an axial lock of the shaft 3 in the handle 2 (cf. in particular the representations in FIGS. 7 and 8).
  • the locking balls 14 lie positively under the cylindrical wall of the cavity 26.
  • the locking balls 13 take over the function of a holding means H.
  • the locking balls 14 take over the function of a stop A for defining the insertion position of the shaft 3 in the use position.
  • each of the corner recesses 29 is aligned with a detent ball 13 which, through the released actuating sleeve 6 in two-point contact, comes to the prism-like surfaces of the corner recesses 29.
  • the cavity 27 passes over the locking balls 13, so that the locking balls 13 can emerge radially from the corner recesses 29 'assigned to them.
  • the rear edge 20 'of the actuating sleeve 6 does not yet need to be in this intermediate position Edge 30 of the locking sleeve 15 have hit. If the force of the spring 24 is greater than the frictional force of the locking ball 14 on the shaft 3 described above, the shaft 3 is conveyed out of the cavity 8 solely by the force of the spring 24.
  • the locking sleeve 15 rearward loading spring 17 ensures that the locking ball 14 can enter the ring groove 31 when it is below the locking ball 14. This stops the outward movement of the shaft 3.
  • the locking ball 13 enters the corner recess 29, so that the position of use shown in FIGS. 7 and 8 is reached.
  • the locking ball 14 can nevertheless fulfill its stop function when the shaft 3 supports gravity or by pulling on the chuck 5 is transported out of the cavity 4.
  • the actuating sleeve 6 and the locking sleeve 15 corresponding therewith must be displaced inward of the handle.
  • the spring 24 can develop its prestressed force, so that the shaft 3 is displaced out of the handle.
  • the locking balls 13 and the locking balls 14 are also displaced radially outward, so that they can in turn enter the cavities 27 of the actuating sleeve 6 and 21 of the ring section 20.
  • the shaft 3 having the chuck can thus be separated from the handle 2 in order, if appropriate, to insert a shaft 3 which has a different actuating section.
  • the shaft 3 has an annular groove 31 at its end, which is such a distance from the front end of the Shank 3 has that the hexagonal shaft can be inserted into a standardized chuck of an electric screwdriver or the like.
  • a lining can be designed, for example, as described by DE 199 32369.0.
  • the tool according to the invention is thus capable of being used with a machine screwdriver and at the same time being driven with a hand-operated handle.
  • the handle acts as a storage chamber into which the shaft can be inserted.
  • a practical screwdriver with a correspondingly long blade can be produced by snapping the shaft out of the hollow of the handle.
  • the actuating sleeve 6 can initially be displaced into a release position for the detent ball 13.
  • the shaft 3 lying in the storage position can be advanced into the use position. This takes place by means of the compression spring 24.
  • the locking ball 15 is still under the action of the locking sleeve 15 associated with it. The locking ball 14 thus snaps into the ring groove 31 of the shaft 3 assigned to it when the use position is reached.
  • this position of the actuating sleeve can only be overridden by overcoming a resistance.
  • the resistance is formed by a radially inward collar 34 of the actuating sleeve 6, which abuts a radially projecting distance of a snap ring 32 lying in an annular groove 33.
  • the actuating sleeve 6 is in two parts. It consists of a tubular core 6 and a on the core 6 on the plastic operating section 6 '. The collar 34 is assigned to the core 6.
  • the annular groove 33 is assigned to the tube designated by the reference number 7.
  • the spring ring 32 made of spring steel lies in this annular groove with radial play.
  • the annular groove 33 is so deep that the ring 32 can be completely immersed there when it is acted upon by the edge of the collar 34. This is done with an audible crack.
  • the operating position shown in FIG. 16 can then be reached, in which the actuating sleeve 6 has moved the locking sleeve 15 back in such a way that the locking ball 14 can emerge from the annular groove 31.
  • the actuating sleeve 6 also bumps against resistance when it is moved out of the locking position before the release position of the locking ball 14 is reached.
  • a guide pin 36 which is firmly connected to the handle, projects into a link guide 35 assigned to the actuating sleeve 6.
  • the link guide 35 has an axially extending slot section 35 'and a section 35 "adjoining it at an obtuse angle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Gripping On Spindles (AREA)

Abstract

L'invention concerne un outil de vissage (1) comprenant un manche (2) et une tige (3), reçue de façon amovible dans un évidement ouvert (4) sur la face avant du manche (2), laquelle tige présente une section d'actionnement (5) sur son extrémité libre. Selon ladite invention, cette tige (3) est solidarisée au manche dans une position d'utilisation par l'intermédiaire d'un élément de fixation (14), associé à ce manche (2), et bloquée dans le sens axial. Cet élément de fixation (14) peut être également déplacé dans une position de retrait par le déplacement d'un organe d'actionnement (6), de sorte que la tige peut être retirée du manche (2). Cette invention est principalement caractérisée en ce qu'une grande partie de la tige (3) se trouve dans ledit évidement (4), lorsque cette tige est en position de fixation, et cette dernière est maintenue dans cet évidement par l'intermédiaire de moyens de maintien (H). Ces moyens de maintien peuvent être desserrés, de sorte que la partie de la tige (3), située dans l'évidement (4), peut sortir de cet évidement (4) contre une butée (A) sous l'effet d'une force jusqu'à une section de maintien (H) de cette tige, associée à l'extrémité fixe de cette dernière, de manière à passer en position d'utilisation. L'organe d'actionnement associé au manche (2) peut être déplacé dans une position de desserrage permettant de desserrer le moyen de maintien (H).
EP03771062A 2002-07-25 2003-07-21 Outil de vissage a tige remplacable Expired - Lifetime EP1536923B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10233866.3A DE10233866B4 (de) 2002-07-25 2002-07-25 Schraubwerkzeug mit austauschbarem Schaft
DE10233866 2002-07-25
PCT/EP2003/007923 WO2004011198A1 (fr) 2002-07-25 2003-07-21 Outil de vissage a tige remplacable

Publications (2)

Publication Number Publication Date
EP1536923A1 true EP1536923A1 (fr) 2005-06-08
EP1536923B1 EP1536923B1 (fr) 2008-05-28

Family

ID=30128381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03771062A Expired - Lifetime EP1536923B1 (fr) 2002-07-25 2003-07-21 Outil de vissage a tige remplacable

Country Status (7)

Country Link
US (1) US7287449B2 (fr)
EP (1) EP1536923B1 (fr)
CN (1) CN100381252C (fr)
AU (1) AU2003258531A1 (fr)
DE (2) DE10233866B4 (fr)
HK (1) HK1084357A1 (fr)
WO (1) WO2004011198A1 (fr)

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Publication number Priority date Publication date Assignee Title
US10099354B2 (en) 2011-05-16 2018-10-16 Eca Medical Instruments Flexible connection systems
US11413733B2 (en) 2016-03-29 2022-08-16 ECA Medical Instruments, Inc. Flexible finger connection

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WO2014205264A1 (fr) * 2013-06-19 2014-12-24 Eca Medical Instruments Raccord de verrouillage de déplacement
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CN105364764A (zh) * 2015-11-18 2016-03-02 宁波市鄞州永佳电机工具有限公司 一种多功能螺丝刀
TWM551535U (zh) 2015-12-10 2017-11-11 米沃奇電子工具公司 鑽頭夾具總成
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
US10099354B2 (en) 2011-05-16 2018-10-16 Eca Medical Instruments Flexible connection systems
US11413733B2 (en) 2016-03-29 2022-08-16 ECA Medical Instruments, Inc. Flexible finger connection

Also Published As

Publication number Publication date
WO2004011198A1 (fr) 2004-02-05
CN1675032A (zh) 2005-09-28
US7287449B2 (en) 2007-10-30
DE10233866A1 (de) 2004-02-12
WO2004011198B1 (fr) 2004-11-25
DE10233866B4 (de) 2018-01-25
EP1536923B1 (fr) 2008-05-28
US20060048613A1 (en) 2006-03-09
AU2003258531A1 (en) 2004-02-16
DE50309925D1 (de) 2008-07-10
CN100381252C (zh) 2008-04-16
HK1084357A1 (en) 2006-07-28

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