EP3421181B9 - Schraubendreher - Google Patents

Schraubendreher Download PDF

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Publication number
EP3421181B9
EP3421181B9 EP18180057.4A EP18180057A EP3421181B9 EP 3421181 B9 EP3421181 B9 EP 3421181B9 EP 18180057 A EP18180057 A EP 18180057A EP 3421181 B9 EP3421181 B9 EP 3421181B9
Authority
EP
European Patent Office
Prior art keywords
handle part
shaft
screwdriver
carrier
handle
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.)
Active
Application number
EP18180057.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3421181A1 (de
EP3421181B1 (de
Inventor
Uwe Frank
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.)
Wuerth International AG
Adolf Wuerth GmbH and Co KG
Original Assignee
Wuerth International AG
Adolf Wuerth 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 Wuerth International AG, Adolf Wuerth GmbH and Co KG filed Critical Wuerth International AG
Priority to PL18180057T priority Critical patent/PL3421181T3/pl
Priority to SI201830202T priority patent/SI3421181T1/sl
Publication of EP3421181A1 publication Critical patent/EP3421181A1/de
Application granted granted Critical
Publication of EP3421181B1 publication Critical patent/EP3421181B1/de
Publication of EP3421181B9 publication Critical patent/EP3421181B9/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B15/00—Screwdrivers
    • B25B15/02—Screwdrivers operated by rotating the handle
    • 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
    • B25B23/16—Handles
    • 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
    • B25B23/0021—Prolongations interposed between handle and tool
    • 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
    • B25B23/0035—Connection means between socket or screwdriver bit and tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/08—Handle constructions with provision for storing tool elements
    • B25G1/085—Handle constructions with provision for storing tool elements for screwdrivers, wrenches or spanners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25G—HANDLES FOR HAND IMPLEMENTS
    • B25G1/00—Handle constructions
    • B25G1/10—Handle constructions characterised by material or shape
    • B25G1/105—Handle constructions characterised by material or shape for screwdrivers, wrenches or spanners

Definitions

  • the invention relates to a screwdriver with a handle and a first shaft.
  • a screwdriver with a handle and a first shaft wherein the first shaft can be coupled to the handle in a rotationally fixed manner and is provided for the insertion of a screwdriver bit.
  • the handle has a first handle part connected non-rotatably to the shaft and a second handle part detachably connected to the first handle part.
  • a short, second shaft, which can also accommodate a screwdriver bit, is pushed into the second handle part.
  • the second shaft extends into a recess in the first handle part.
  • a screwdriver with a handle which is non-rotatably connected to a shaft.
  • the handle has a first handle part, which is non-rotatably connected to the shaft, and a second handle part, which can be plugged onto the first handle part.
  • the second handle part has a recess into which a screwdriver bit can be inserted.
  • a screwdriver which has a handle which comprises two handle parts which can be pulled apart.
  • a screwdriver bit can be inserted non-rotatably into a first handle part.
  • the second handle part has a guide rod which is arranged in the center of the second handle part and on which a carrier for arranging a plurality of screwdriver bits is arranged displaceably. If the two handle parts are pulled apart, the carrier between the two housing parts is accessible and screwdriver bits can be removed or inserted.
  • the invention is intended to provide a space-saving screwdriver that can be used flexibly.
  • the screwdriver according to the invention has a handle and a first shaft, the handle having a first handle part connected in a rotationally fixed manner to the first shaft and a second handle part detachably connected to the first handle part, the second handle part being rotationally fixed to a second shaft and the second Shank is at least partially detachably arranged in the first handle part when the two handle parts are connected to one another.
  • the screwdriver according to the invention thus combines two screwdrivers in one tool, namely on the one hand a conventional screwdriver with a first shaft and a handle, which consists of the handle parts connected to one another, and a second screwdriver, which only consists of the second handle part and the second shaft.
  • the invention therefore makes it possible to combine two tools in one tool in a surprisingly simple manner. This saves resources during production.
  • the screwdriver according to the invention saves space and weight.
  • the second shaft is inserted into the first handle part, for example, so that it is not readily apparent that two screwdrivers are combined.
  • first and the second handle part and / or the first and the second shaft have matching coupling means in order to couple the first and the second handle part or the first and the second shaft in the connected state in a rotationally fixed manner.
  • the second shaft together with the second handle part is designed as a so-called toddler or stubby.
  • These are screwdrivers that have a very short handle and one have a very short shaft and are intended for work in confined spaces. Since the second shaft is shorter than the first shaft, the section of the second shaft which protrudes beyond the second handle part can be accommodated within the first handle part without any problems. This makes it possible that when the two handle parts are connected, only the first shaft and the two handle parts are visible from the outside. At first glance, it cannot be seen at all that a screwdriver with a short, second shaft is also integrated in the screwdriver. In the connected state of the first handle part and the second handle part, the screwdriver can also be used like an ordinary screwdriver, that is, without having to take the second, short shaft into account during operation.
  • first shaft and the second shaft are aligned with one another in the connected state of the first handle part and the second handle part.
  • the first shaft has a front end provided with a blade or a receptacle for a screwdriver bit and a rear end
  • the second shaft has a front end provided with a blade or a receptacle for a screwdriver bit and a rear end End on, and in the connected state of the first handle part and the second handle part, the front end of the second shaft is rotatably connected to the rear end of the first shaft.
  • connection of the two handle parts can thus be designed in a very simple and inexpensive manner as a latching connection, magnetic connection or also as a simple plug connection.
  • the front end of the second shaft is provided with a recess for receiving a screwdriver bit and the rear end of the first shaft is designed in accordance with a drive configuration of a screwdriver bit.
  • the coupling means for a non-rotatable coupling of the second shaft to the first shaft can be designed in a very simple manner and in exactly the same manner in which a screwdriver bit is coupled to the recess in the front end of the second shaft.
  • first and the second handle part and / or the first and the second shaft have matching holding means in order to hold the first handle part on the second handle part and / or the first shaft on the second shaft.
  • holding means can be designed, for example, as magnets and / or magnetizable components.
  • the holding means can also hold the first and second shaft against one another in the axial direction, in addition to the non-rotatable connection by means of the coupling means.
  • the holding means are designed as latching means.
  • the holding means are used for axial securing. Toolless releasable locking means are advantageous here.
  • the holding means have at least one magnet.
  • the two handle parts and also the two shafts can be coupled quickly, easily and also detachably from one another by means of magnets, the magnets preferably providing a safeguard against axially acting forces.
  • the holding means have at least one spring ring.
  • a spring washer can be arranged in a groove on the second shaft and, in the connected state, engage in a matching groove on the first shaft.
  • a coupling of the two handle parts by means of a spring ring would also be possible in a similar manner.
  • the holding means have at least one rubber ring.
  • the first handle part has a recess on its rear side, on the outer edge of which the rubber ring is then received in a groove.
  • the second handle part has a matching groove for the rubber ring at its front end. If the second handle part is now pressed into the recess on the back of the first handle part, the rubber ring represents a resistance. As soon as this resistance is overcome, the rubber ring slips into the recess at the front end of the second handle part and the first handle part and the second handle part are thereby coupled with each other.
  • the front end of the second shaft can be coupled non-rotatably to the rear end of the first shaft.
  • the rubber ring only has to take over coupling forces in the axial direction.
  • the rubber ring can also be used as a stop for a carrier for screwdriver bits arranged in the recess of the first handle part.
  • the first handle part has a recess at its rear end for receiving a first carrier for screwdriver bits.
  • screwdriver bits can be accommodated in the first handle part, which are then arranged in the handle part to save space and can be removed when the screwdriver is used. If several screwdriver bits are arranged in the first handle part, the screwdriver can be used to screw in or unscrew different screws.
  • the first carrier is arranged so that it can be pulled out in the recess of the first handle part.
  • the first carrier is locked in an extended position, the second shaft and the first carrier still being connected in an extended position.
  • the second shaft can only be separated from the first carrier, for example, after a predefined locking force has been overcome. Since the first carrier can be pulled out of the first handle part, it is possible to arrange the screwdriver bits in a very easily accessible manner in the extended state.
  • the first carrier has a recess into which the second shaft can be inserted in sections.
  • the second shaft can be arranged in a space-saving manner and in spite of the presence of the first carrier in the first handle part when the two handle parts are connected to one another.
  • first carrier and the second shaft are provided with locking means that match one another.
  • the second shaft thereby pulls the first carrier out of the first handle part.
  • the second shaft remains connected to the first carrier as long as a predefined latching force has not been overcome.
  • the screwdriver bits in the first carrier are easily accessible. After removing a screwdriver bit, the two handle parts can simply be pushed together again and it is not necessary to thread the second shaft into the second carrier. In this way, bits can be changed quickly and easily on the screwdriver according to the invention. Only when the second shaft is to receive a screwdriver bit is the second shaft pulled out of the recess of the first carrier, overcoming the locking force, and is then available for fitting with a screwdriver bit or for direct use.
  • the second handle part has a recess at its rear end for receiving a second carrier for screwdriver bits.
  • screwdriver bits can also be arranged in the second handle part.
  • the second shaft extends into the recess of the second handle part and the second carrier is arranged displaceably on the second shaft.
  • the second carrier can be secured on the second handle part and, in the extended position, the screwdriver bits in the second carrier are nevertheless very easily accessible.
  • the second carrier and the second shaft and / or the second handle part are provided with locking means that match one another.
  • the second carrier can only be pulled out of the second handle part after a predefined latching force has been overcome. This prevents the second carrier from inadvertently being pulled out of the second handle part during use of the screwdriver.
  • Fig. 1 shows a screwdriver 10 according to the invention according to the invention obliquely from above.
  • the screwdriver has a first shaft 12, a first handle part 14 and a second handle part 16.
  • the first shaft 12 is anchored in a rotationally fixed manner in the first handle part 14 and, in the embodiment shown, has at its front, in Fig. 1 End 18 located at the bottom left is a drive formation in the form of a recess 20 in the form of a hexagon socket.
  • This hexagon socket 20 is provided for receiving a so-called screwdriver bit.
  • the screwdriver 10 can be used, for example to screw in a screw.
  • the two handle parts 14, 16 are not made in one piece with one another, but are releasably connected to one another and, in the connected state, are rotationally fixed to one another.
  • Fig. 2 shows the second handle part 16 with the second shaft 22 in a state removed from the first handle part 14.
  • Fig. 3 shows the first handle part 14 with the first shaft 12 without the second handle part 16.
  • the second handle part 16 is provided with the second shaft 22.
  • the second shaft 22 is significantly shorter than the first shaft 12, but like the first shaft 12 has a recess 20 at its front end 24 for receiving a screwdriver bit.
  • the depressions 20 at the front end of the first shaft 12 and at the front end of the second shaft 22 are identical to one another.
  • the second handle part 16 forms with the second shaft 22 a full-fledged, short screwdriver, which is also referred to as a toddler or stubby.
  • the second shaft 22 cannot be seen because it is inserted in the first handle part 14.
  • the two handle parts 14, 16 are coupled to one another in a rotationally fixed manner.
  • To use the screwdriver 10 of the Fig. 1 can therefore either be attacked on the first handle part 14 or on the second handle part 16 or also on both handle parts 14, 16; this does not matter with regard to the torque transmission to the first shaft 12.
  • the second handle part 16 see Fig. 2 , is provided with two magnets 26 in its end face, which faces the second shaft 22.
  • the first handle part 14 is opposite the two magnets 26 also provided with magnets and / or a magnetizable component, so that the two handle parts 14, 16 also by the action of the two magnets 26 in the connected state of Fig. 1 are held together.
  • the magnets 26 thus form holding means for securing the two handle parts 14, 16 against one another against forces acting in the axial direction.
  • the second handle part 16 is provided on its rear side with a cap 28 which can be detached from the second handle part 16, which will be explained below.
  • the representation of the Fig. 4 shows the screwdriver 10 of Fig. 1 in a sectional view.
  • the first handle part 14 and the first shaft 12 connected non-rotatably to the first handle part 14 can also be seen.
  • the second handle part 16 and the second shaft 22 connected non-rotatably to the second handle part 16 can be seen.
  • the first shaft 12 is, for example, injected into the first handle part 14 in a known manner, and in the same way the second shaft 22 is secured non-rotatably on the second handle part 16.
  • the front end 24 of the second shaft 22 is connected to a rear end 30 of the first shaft 12 in that the rear end 30 of the first shaft 12 is inserted into the recess 20 front end of the second shaft 22 is inserted.
  • the rear end 30 of the first shaft 12 is designed like the drive side of a screwdriver bit, that is to say usually cylindrical with a cross section in the form of a regular hexagon or octagon.
  • a magnet 32 is also arranged, which, like a screwdriver bit, holds the rear end 30 of the first shaft 12 in the recess 20.
  • the magnet 32 thus forms holding means for axial securing, the recess 20 and the rear end 30 form coupling means for the rotationally fixed connection.
  • the rear end 30 of the first shaft 12 is further secured by means of a spring ring 34 which is provided on the inner circumference of the recess 20 and which, when the rear end 30 is pushed in, engages in a suitable circumferential groove at the rear end 30.
  • the spring ring 34 thus also forms a holding means for the axial securing.
  • the rear end 30 of the first shaft 12 is configured identically to the rear output end of a screwdriver bit, which is therefore usually inserted into a bit holder.
  • the recess 20 in the front end of the second shaft 22 is configured identically to a drive recess for such a screwdriver bit.
  • both the first handle part 14 and the second handle part 16 each have two magnets 26.
  • the magnets 26 are arranged in the end face of the second handle part 16 which faces the first handle part 14, and in the first handle part 14 the two magnets 26 are arranged in the rear end face which faces the second handle part 16.
  • one magnet and one magnetizable component can of course also be located opposite one another.
  • the two handle parts 14, 16 are thus coupled to one another via the front end of the second shaft 22 and the rear end of the first shaft 12 as well as via the magnets 26.
  • the insertion of the rear end 30 of the first shaft 12 into the recess 20 at the front end of the second shaft 22 ensures a rotationally fixed connection of the two handle parts 14, 16.
  • the magnets 26 ensure an additional, but easily separable, securing of the two handle parts 14, 16 together.
  • the magnets 26 ensure that the mutually facing end faces of the two handle parts 14, 16 remain against one another and thus, in the connected state, the mutually facing end faces of the handle parts 14, 16 do not move relative to one another. This is particularly important so that when the screwdriver 12 is used, the impression of a tool that is deforming in the hand and thus appears to be unsound does not arise.
  • first handle part 16 has a circular cylindrical projection 36 which is arranged concentrically to the second shaft 22 and extends from the front face of the second handle part 16, see also Fig. 2 .
  • This projection 36 extends into a matching recess at the rear end of the first handle part 14.
  • This engagement of the projection 36 in a matching recess on the first handle part 14 also secures the two handle parts 14, 16 to one another so that in the connected state the optical and haptic impression of a one-piece handle is created.
  • the projection 36 and the upper end of the recess 38 can also each have matching hexagonal shapes and then act as a coupling means for the rotationally fixed coupling in the inserted state, since these interlock.
  • a first carrier 40 for receiving a plurality of screwdriver bits is arranged in the recess 48 in the first handle part 14, which extends from the rear face of the first handle part 14.
  • This first carrier 40 is arranged in the recess 38 such that it can be pulled out, as will be explained below.
  • the second handle part 16 is also provided with a recess 42 which extends from the rear face of the second handle part 16.
  • a second carrier 44 for receiving screwdriver bits is arranged in this recess 42.
  • the second carrier 44 can be shared with the cap 28, see also Fig. 2 , be pulled out of the rear end of the second handle part 16.
  • a schematically illustrated screwdriver bit 46 is arranged in the second carrier 44.
  • the screwdriver 10 is thus designed as a so-called magazine screwdriver, since it has two carriers 40, 44 in its handle, each of which can be equipped with screwdriver bits 46.
  • the representation of the Fig. 5 shows the screwdriver 10 of Fig. 1 , wherein the first handle part 14 is not shown. It can be seen that the first shaft 12 at its rear end has the shape of a cylinder with a cross section in the shape of a regular hexagon. In other words, the rear end 30 of the first shaft 12 has the shape of the output end of a screwdriver bit. It is easy to see in Fig. 5 that in the connected state of the two handle parts 14, 16 the rear end 30 of the first shaft 12 is inserted into the recess 20 at the front end of the second shaft 22 and thus the two handle parts 14, 16 or the two shafts 12, 22 rotatably with each other are connected.
  • connection between the two shafts 12, 22 is non-rotatable, but it does wobble when forces are applied perpendicular to the central longitudinal axis.
  • the circular cylindrical projection 36 in the front face of the second handle part 16 and the matching recess 38 in the rear end of the first handle part 14 as well as the magnets 26 are provided .
  • the representation of the Fig. 6 shows the screwdriver 10 of Fig. 1 , wherein the first handle part 14 has been omitted, but not the first carrier 40, which is slidably guided in the recess 38 of the first handle part 14, cf. Fig. 4 .
  • the first carrier 40 is guided in the recess 38 of the first handle part 14 so as to be displaceable in the axial direction by means of the ring 50.
  • the first carrier 40 has a central through-hole into which the two handle parts 14, 16 are connected, see also Fig. 4 , the second shaft 22 is inserted.
  • the first carrier 40 is itself arranged displaceably in the recess 38, see FIG Fig. 4 , and can, based on the state of the Fig.
  • the first carrier 40 has a plurality of holders 52, into each of which a screwdriver bit can be inserted. If the first carrier 40, see Fig. 10 , pulled out of the first handle part 14 so far that only the ring 50 is still arranged within the recess 38 in the first handle part 14, the screwdriver bits in the holders 52 are then very easily accessible.
  • the representation of the Fig. 7 shows the screwdriver 10 of Fig. 1 , wherein the two handle parts 14, 16 have been omitted.
  • the second carrier 44 is also provided with a plurality of holders for inserting screwdriver bits 46. If the cap 28 is pulled out together with the second carrier 44 from the rear end of the second handle part 16, see Fig. 9 , the screwdriver bits 46 in the second carrier 44 are easily accessible.
  • FIG. 8 The representation of the Fig. 8 shows only the two carriers 40, 44. It can be clearly seen that in the extended state of the carrier 40 the screwdriver bits 46 are easily accessible radially from the outside.
  • a central recess 56 can be seen in the second carrier 44, into which the rear end of the second shaft 22 is pushed.
  • the second carrier 44 can thus be displaced on the rear end of the second shaft 22 when it is pulled out of the second handle part 16.
  • the first carrier 40 also has a central recess 58 into which, cf. Fig. 4 , the front end of the second shaft 22 is inserted.
  • FIG. 9 shows a sectional view of the second handle part 16 with the second shaft 22 in a state in which the second carrier 44 has been pulled out of the recess 42 in the second handle part 16.
  • the second carrier 44 is pulled out together with the cap 28.
  • the rear end of the second shaft 22 slides in the recess 56 in the second carrier 44 until the in Fig. 9
  • the end of the second carrier 44 lying on the left abuts a cuff 60 which has been placed on the rear end of the second shaft 22.
  • This cuff 60 forms an end stop and ensures that the second carrier 44 is attached to the second shaft 22 so that it cannot be lost but is displaceable.
  • Fig. 9 it can be seen that in the illustrated fully extended state of the second carrier 44, the screwdriver bit 46 is easily accessible.
  • the force required to pull the second carrier 44 out of the second handle part 16 and the associated counterforce is each denoted by the letter F and an arrow.
  • the second carrier 44 is first pushed onto the rear end of the second shaft 22 without the cap 28.
  • the cuff 60 is then pushed onto the rear end of the second shaft 22.
  • the second carrier 44 is now secured on the second shaft 22 in a displaceable but captive manner.
  • the cap 28 is placed on the in Fig. 9 the end of the second carrier 44 lying on the right is placed.
  • the second carrier 44 can now proceed from the in Fig. 9
  • the fully extended position shown can be moved into a fully retracted position in which the screwdriver bit 46 is completely covered and an upper side of the cap 28 forms part of the surface of the second handle part 16.
  • Fig. 10 shows the screwdriver 10 of Fig. 1 in a state in which the first carrier 40 is completely pulled out of the first handle part 14.
  • the ring 50 of the first carrier 40 still remains within the first handle part 14 even in the fully extended state and thereby secures the first carrier 40 captively on the first handle part 14.
  • FIG Fig. 10 The second handle part 16 and the second shaft 22 are shown in a state removed from the first handle part 14.
  • the front end of the second shaft 22 is inserted into the central recess of the first carrier 40 and then into Fig. 10 moved downwards in the direction of the first handle part 14.
  • the front end of the second shaft 22 thereby slides into the first carrier 40 until the in Fig. 10
  • the upper end of the first carrier 40 strikes against the outer end face of the projection 36 on the second handle part 16.
  • the carrier 40 is pushed into the recess 38 in the first handle part 14.
  • the rear end 30 of the first shaft 12 dips into the recess 20 at the front end of the second shaft 22 until the in Fig. 4 and Fig.
  • a screwdriver 10 is created, which on the one hand in the state of Fig. 1 as a normal size screwdriver with a long, first shaft 12 can be used. If, however, the second handle part 16 with the second, short shaft 22 is separated from the first handle part, the second handle part 16 with the short second shaft 22 can also be used as a full-fledged screwdriver. Such short-handled screwdrivers and short shaft 22 are also referred to as stubby or toddler and are intended for work in inaccessible places.
  • Two carriers 40, 44 for arranging screwdriver bits are provided in the handle of the screwdriver 10, so that the screwdriver 10 according to the invention is designed as a so-called magazine screwdriver.
  • the two supports 40, 44 for screwdriver bits are easily accessible in that the supports 40, 44 are pulled out of the respectively assigned handle parts 14, 16. Both supports 40, 44 are captively attached to the respective handle part 14, 16.
  • the screwdriver according to the invention by combining two screwdrivers in a single tool, therefore saves resources during manufacture and saves space and weight in use.
  • Fig. 11 shows a further screwdriver 100 according to the invention according to the invention, in sections, in section.
  • the screwdriver only differs in the way in which the first handle part 114 and the second handle part 116 are coupled and in the arrangement and guidance of the first carrier 140 in the first handle part 114 from the screwdriver 10 of FIG Figures 1 to 10 . In the following, therefore, only the screwdriver 10 of the Figures 1 to 10 different parts described.
  • the first handle part 114 is provided on its rear side facing away from the first shaft 112 with a recess 138 into which the second shaft 122 of the second handle part 116 can be inserted.
  • the front end of the second shaft 122 is provided with a recess for receiving a screwdriver bit and the end of the first shaft 112 protruding into the recess 138 is provided at its free end with a drive formation of a screwdriver bit.
  • a first carrier 140 for screwdriver bits is also displaceably guided in the recess 138.
  • the carrier 140 is guided displaceably on the inner wall of the recess 138 and is inserted into the in Fig. 11 shown extended position biased. In this extended position, the carrier 140 is held by means of a rubber ring 172.
  • the carrier 140 is thus captively connected to the first handle part 114.
  • the second handle part 116 is at its front end, which is the second shaft 122 and in the illustration of FIG Fig. 1 facing the first handle part 114, is provided with a projection which is provided with a circumferential groove 174.
  • the outer diameter of the projection is slightly smaller than the inner diameter of the recess 138 at the rear end of the first handle part 114.
  • the dimensions of the circumferential groove 174 are matched to the rubber ring or O-ring 172 in the recess 138. If the second handle part 116 is now pushed into the recess 138, this movement is first stopped when the projection with the groove 174 hits the rubber ring or O-ring 172.
  • the resistance that occurs can then be overcome by applying slight pressure, so that the rubber ring 172 can snap into the groove 174.
  • the completely pushed-in state of the second handle part 116 into the first handle part 114 is reached, see FIG Fig. 14 , and the rubber ring 172 holds the second handle part 116 in the position shown in FIG Fig. 14
  • the resistance of the rubber ring 172 must then be overcome in order to be able to pull the second handle part 116 out of the recess 138 in the first handle part 114.
  • the rubber ring 172 remains in a groove on the inner wall of the recess 138.
  • the groove 176 in which the rubber ring 172 is received in the first handle part 114 is made deeper than the groove 174 on the second handle part 116 Pulling out the second handle part 116, based on the state of FIG Fig. 14 , the groove 174 therefore slips beyond the rubber ring 172, so that the in Fig. 15
  • the state shown can be achieved in that the second handle part 116 is separated from the first handle part 114.
  • Fig. 14 it can be seen that when the second handle part 116 is completely pushed into the first handle part 114, the carrier 140 is completely received in the recess 138 in the first handle part 114. Based on the in Fig. 11 or Fig. 15 The position shown is the carrier 140 with the second handle part 116 into the position shown in FIG Fig. 14 depicted position pressed. This movement takes place against the compressive force of the spring 170, which in the state of Fig. 14 is completely compressed and biases the carrier 140 in the direction towards the second handle part 116. When the second handle part is pulled out, the carrier 140 will consequently automatically move under the action of the spring 170 into the position shown in FIG Fig. 15 move shown extended position.
  • the carrier 140 in the in FIG Fig. 15 The fully extended position shown is held by the rubber ring 172 in the first handle part 114.
  • the carrier 140 has a circumferential shoulder 178 on its section guided on the inner wall of the recess 138, which in the fully extended state of the Fig. 15 and the Fig. 11 rests against the section of the rubber ring 172 protruding beyond the groove 176.
  • the carrier 140 which can also be referred to as a bit magazine, is therefore held captive on the first handle part 114, and when the second handle part 116 is pulled off the first handle part 114 it is automatically moved into the position shown in FIG Fig. 15 The position shown is pushed out and is pushed back into the recess 138 of the first handle part 114 when the second handle part 116 is connected to the first handle part 114.
  • Fig. 12 shows a sectional view of the second handle part 116 with the second shaft 122.
  • the generally circular cylindrical projection arranged on the front side of the second handle part 116 can be seen, which is located on the in FIG Fig. 12
  • the front side shown below surrounds the second shaft 122 and which is provided with the circumferential groove 174.
  • the second handle part 116 has a recess 142 which is essentially the same as in the screwdriver 10 of FIG Figures 1 to 10 is trained.
  • a second carrier 144 which can also be used as a bit magazine, is arranged in the recess 142 along the rear part of the second shaft 122.
  • the carrier 144 is connected to a cover 128 which can be pushed onto the rear side of the second handle part 116 and which in the pushed-on state of the Fig. 12 the recess 142 closes.
  • the cover 128 remains connected to the carrier 144 and the carrier 144 can be moved along the second shaft 122 into the FIG Fig. 13 fully extended position shown, in which the carrier 144 is largely arranged outside the recess 142 in the second handle part 116. In this position, screwdriver bits can then be removed from the carrier 144 or inserted into it.
  • a movement of the carrier 144 along the second shaft 122 is stopped by a sleeve-shaped end stop 160 which is placed on the rear end of the second shaft 122.
  • the carrier 144 strikes against this annular sleeve in the fully extended state Fig. 13 at.
  • FIG. 13 The front end of the second shaft 122 shown below has a circumferential groove 180 for receiving a rubber ring or O-ring 182.
  • the O-ring 182 is omitted, so that there the circumferential groove 180 in the shaft 122 well can be seen.
  • the rubber ring 182 is clamped between the inside of the carrier 144 and the bottom of the groove 180.
  • the carrier 144 is in the in Fig. 13 shown extended position held. This is caused by the frictional force between the rubber ring 182 and the inside of the carrier 144. Screwdriver bits can thereby be easily inserted into the carrier 144 or removed from it.
  • the cover 128 and thus the carrier 144 are held on the second handle part 116, for example by a suitable fit between the cover 128 and the opening of the recess 142.
  • a clamp connection between the in Fig. 12 The lower end of the carrier 144 and the matching recess 184 surrounding the shaft 122 in an annular manner in the second handle part 116 may be provided.
  • the lower end 186 of the carrier 144 is then held in the recess 184 in a latching or clamping manner, so that the cover 128 is securely in the in Fig. 12 is held closed position shown.
  • the cover 128 itself is snapped onto the carrier 144.
  • suitable latching projections 188 are provided on the cover 128, which latch onto the annular sleeve 160 at the end of the second shaft 122, and further latching projections 190 which latch onto the carrier 144 are provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
EP18180057.4A 2017-06-30 2018-06-27 Schraubendreher Active EP3421181B9 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL18180057T PL3421181T3 (pl) 2017-06-30 2018-06-27 Wkrętak
SI201830202T SI3421181T1 (sl) 2017-06-30 2018-06-27 Izvijač

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017211118.6A DE102017211118A1 (de) 2017-06-30 2017-06-30 Schraubendreher

Publications (3)

Publication Number Publication Date
EP3421181A1 EP3421181A1 (de) 2019-01-02
EP3421181B1 EP3421181B1 (de) 2020-11-25
EP3421181B9 true EP3421181B9 (de) 2021-05-19

Family

ID=62814829

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18180057.4A Active EP3421181B9 (de) 2017-06-30 2018-06-27 Schraubendreher

Country Status (10)

Country Link
EP (1) EP3421181B9 (da)
CN (1) CN109202798B (da)
DE (1) DE102017211118A1 (da)
DK (1) DK3421181T3 (da)
ES (1) ES2850823T3 (da)
HU (1) HUE053512T2 (da)
PL (1) PL3421181T3 (da)
PT (1) PT3421181T (da)
SI (1) SI3421181T1 (da)
TW (1) TWI680841B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019116810A1 (de) * 2019-06-21 2020-12-24 Wera Werkzeuge Gmbh Schraubwerkzeug mit Magazin

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300607A (en) * 1980-03-07 1981-11-17 Mellinger Ralph D Variable length tool handle
US5868048A (en) * 1997-04-25 1999-02-09 Cassutti; Paolo Adjustment hand tool/screwdriver
US5957014A (en) * 1998-01-13 1999-09-28 Tseng; Hung Kui Tool combination having two sections
US6220129B1 (en) * 1999-06-11 2001-04-24 Innovak D.I.Y. Products Inc. Dual multi-bit screwdriver
GB2394439A (en) * 2002-10-22 2004-04-28 Li-Wen Kao A small tool nested within a large tool
US7039975B1 (en) * 2005-06-01 2006-05-09 Youn Chyuan Liao Tool having detachable handle members
US7950311B2 (en) * 2008-10-30 2011-05-31 Hi Fanny Screwdriver kit
DE202009016737U1 (de) * 2009-12-04 2010-04-15 Arslan, Yavuz Handwerkzeug
DE202013008968U1 (de) * 2013-10-07 2013-10-30 Yi-Cheng Li F-förmiger Adapter für eine Schraubenzieherklinge oder Verbindungsstange
TWI515088B (zh) * 2014-08-01 2016-01-01 Wei Chins Plastic Enterise Corp 可容納起子頭之手工具

Also Published As

Publication number Publication date
HUE053512T2 (hu) 2021-07-28
ES2850823T3 (es) 2021-08-31
EP3421181A1 (de) 2019-01-02
PT3421181T (pt) 2021-02-11
SI3421181T1 (sl) 2021-03-31
CN109202798B (zh) 2021-06-15
PL3421181T3 (pl) 2021-05-31
DK3421181T3 (da) 2021-01-11
TW201919824A (zh) 2019-06-01
DE102017211118A1 (de) 2019-01-03
CN109202798A (zh) 2019-01-15
EP3421181B1 (de) 2020-11-25
TWI680841B (zh) 2020-01-01

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