EP1778440B1 - Visseuse electrique sans fil - Google Patents
Visseuse electrique sans fil Download PDFInfo
- Publication number
- EP1778440B1 EP1778440B1 EP05756828A EP05756828A EP1778440B1 EP 1778440 B1 EP1778440 B1 EP 1778440B1 EP 05756828 A EP05756828 A EP 05756828A EP 05756828 A EP05756828 A EP 05756828A EP 1778440 B1 EP1778440 B1 EP 1778440B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- battery
- switch
- switch button
- driven screwdriver
- button
- 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
Links
- 210000002105 tongue Anatomy 0.000 claims description 11
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 11
- 239000011324 bead Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 229910005580 NiCd Inorganic materials 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000003446 memory effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- B25B23/18—Devices for illuminating the head of the screw or the nut
-
- 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
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
- B25F5/02—Construction of casings, bodies or handles
- B25F5/021—Construction of casings, bodies or handles with guiding devices
Definitions
- the present invention relates to a cordless screwdriver according to the preamble of claim 1.
- a cordless screwdriver is for example from the US 6,206,538 known.
- cordless screwdrivers in the performance class between 2.4V to 3.6V, such as from the EP 1 066 930
- the brackets are z. B. attachable to a wall to facilitate handling when loading.
- NiCd cells discharge after a certain time without power output and also unused cordless screwdrivers are partially discharged after a short time. If they are charged when they are partially discharged, only the difference of the new charge amount is available due to the memory effect after the charging process - and thus a reduced power.
- cordless screwdrivers Another disadvantage of the known cordless screwdrivers is their voluminous size due to large assemblies, e.g. the gear, the switch systems and the batteries in the form of NiCd cells whose size "4/5 Sub-C" when placed in the handle affects the ergonomics and usability, since tight, angular screw points are unreachable.
- cordless screwdrivers with electrical auxiliary functions such. B. built-in work lights
- they are so far either separately with its own switch or actuator or synchronous with the switch of the main function, ie the engine switch, on and off.
- the secondary function can be switched separately, the advantage is that, for example, the light can be switched on when needed and not permanently during operation of the machine consumed.
- the disadvantage is that previously a separate actuator must be operated. If this is not accidentally switched off, the battery will unintentionally discharge. This risk does not exist if the slave function is switched synchronously with the main function. In this case, however, the secondary function can not be activated independently of the main function, which z. B. at a job lighting a screwdriver is beneficial.
- the invention with the features of claim 1 has the advantage that a plurality of circuits in the interior of the cordless screwdriver with a single switch button (on-off button) independently switched on or off and that in the off position of the switch button actually all the power consumers are turned off.
- the long, over almost the length of the inside of the handle extending switch button has an actuating Schwenkhub associated with at least two switching positions. This means - regardless of the operating position - only low operating forces needed and the device is conveniently controlled in almost every position of the operator's hand switched on.
- the motor housing consists of centrally divided half-shells, which grasp the cylindrical gear housing with radially inwardly projecting support tongues from both sides and hold centered in the mounting position, the gear housing is precise and safe without separate fastening or guide elements such as screws, centering or latching elements connectable to the motor housing.
- the cordless screwdriver Since the lithium-ion battery has almost no self-discharge, the cordless screwdriver is fully operational even after long periods of use, during use breaks the cordless screwdriver can rest for as long as desired on a charging cradle in charging mode.
- the charging tray is stable on a flat shelf adjustable and does not need to be fixed and not be held when the cordless screwdriver is removed. As a result, he is always ready for removal with only one hand, with no plug pulled or no holder must be removed. In addition, it is always automatically ensured that the cordless screwdriver is charged.
- the compact lithium-ion battery sits backlash-free position-secure inside the half-shell-like handle areas, wherein at its end two welded tabs are soldered to electrical leads to the board. It is integrated in the strength structure of the handle and increases its stiffness with low material usage for the half shells of the housing.
- the board provided for the control is a chassis of a main and a switch, of charging contact tongues, a switch for the direction of rotation circuit and three LEDs for the two direction indicators and a charge control lamp and control means of the charging and discharging the lithium-ion batteries.
- the board Arranged longitudinally inside the handle, the board is integrated as an additional transverse rib in the strength structure of the housing or the handle and increases its flexural rigidity.
- the switch button and the direction switch are designed so that on the one hand while holding down the switch button is locked and can not be moved and on the other hand, the button is locked and can not be pressed in the on position when the direction switch in its middle position, the recommended transport position, stands.
- soldered on the board charging contact tongues protrude through openings in the lower end of the handle and are contacted in charging position of mating contacts of the charging tray, with no additional cables or coupling plug must be pressed.
- a green or red LED soldered to the board lights up. These are visible in the housing by means of transparent plastic part as a window covered arrow-shaped openings. An arranged between the arrow-shaped openings, visible through a rectangular opening charge status indicator shows by slower or faster flashing, if the battery is more or less fully charged.
- the gear housing is also the outer wheel of the planetary gear.
- the tooth cross sections and the tooth height of the outer gear of the planetary gear (gear housing) at the same time stop a locking washer, which serves as axial securing and forms the motor-side boundary of the planet gears of the first stage.
- the safety washer has two wings projecting over its circumference, which can be locked in a manner similar to a bayonet catch in two corresponding recesses of the transmission housing and can be secured against axial loosening by turning in a subsequent annular groove. This is at the same time a transport shear for the separately deliverable transmission.
- the disc is held in the installed state in each case by their wings between the engine and the transmission housing. It is also a lock washer with protruding, angled wings used, which are securable into the wells by pressing.
- the planetary gear is provided with an autolock system, ie with self-locking output spindle when turning the same by force application from the outside.
- Its gear housing has motor side top and bottom axial extensions with an annular groove and a torus.
- the gear housing, the circuit board with battery, motor, LEDs and electrical elements and the switch lever with contact plate and springs and the transparent plastic part are placed in a first half-shell, closed with the second half-shell and closed with only four identical screws and thus completely assembled and yielded a cost effective solution.
- the compact design makes it possible to keep the device from the gear housing or the adjacent motor housing so in one hand, while holding with their index finger a screw on the bit, at the same time the large-scale on-off button conveniently with the remaining fingers is operable, and also the free hand can hold the workpiece.
- the large rubber jacket with nub surface over the entire grip area allows the cordless screwdriver to be fitted particularly securely in the operating hand.
- FIG. 1 shows a pistol-type cordless screwdriver 10 with aligned to the screw motor housing 12 and thereof angled handle 14.
- the motor housing 12 with handle 14 is formed of two half-shells 16, 17 which in a central plane 15 (FIGS. Fig. 4 ) are tightly joined together.
- four screws engage through holes of a half-shell 17 in four screw domes 19 of the other half-shell 16 and hold both firmly together, in FIG. 1 the upper or right half-shell 17 is removed, so that the view of the interior of the housing 12, taken alone from the left half-shell 16, is free.
- a switch button 26 is arranged over a large area of its front end, which allows a convenient switching on and off in difficult holding positions of the operating hand of the cordless screwdriver 10 because of their large length.
- a corresponding half each in the half-shells 16,17 arranged opening 29 is provided, which engages the switch button 26 like a bay, leader closely.
- the outwardly protruding from the inlet opening 29 of the housing 12 switch button 26 is configured as accessible from the outside for the operating lever pivot lever and communicates inside the handle 14 with two separate switches 32, 34. It is limited to a pivot axis 30 pivotally mounted in the axle holder 31 in that it carries on the opposite end of the pivot axis 30 a stop tongue 27 which engages behind the entry opening 29 for the Wegasteaste 26 inside the handle 14 so that they secured against accidental emergence from the housing 12 beyond its off position and against loss is.
- the switch button 26 engages with a centering and guide pin 263 on its back in a compression spring 28 which is supported adjacent inside the handle 14, so that when released from a switch-on position, the switch key 26 automatically returns to its off position in which the motor movement is stopped and all previously activated slave switch functions, eg the workstation lighting 80, the rotation direction indicators 57, 58 or the charge status indicator 75 are switched off.
- the actuating stroke is about 4 mm long in the middle of the switching button 26 and thus short and user-friendly.
- the two switches 32, 34 are arranged on an elongated, in the interior of the handle 14 extending board 36 adjacent to the back of the switch button 26 in a mutual longitudinal distance of about 20 mm and parallel to the center plane 15, wherein the switch button 320, 340 by switching cam 261, 262 of the switch button 26 in the depression and pivotal movement about the pivot axis 30 are successively triggered.
- the switch cam 261 contacts the switch key 320 of the first (main) switch 32 and thus closes the circuits previously held broken by the switch 32, thereby providing one or more slave functions, e.g. the lighting 80 is turned on.
- the upper switching cam 262 comes into contact with the short switch button 340 of the second switch 34 and thus closes the previously interrupted by the switch 34 main circuit for powering the motor 46 so that this turned on when the lighting 80 or more electrical auxiliary functions turns.
- the state of charge indicator 75 in the upper portion of the housing 12 is not switched on when the engine is in operation 46 and not lit, while the direction of rotation display 57, 58 is displayed as a secondary function.
- each half-shell 16,17 symmetrical to the center plane 15 in the lower end of the handle 14 has a passage opening for each one of the loading contact tongues 37. These are embedded at each passage point in a respective depression within the handle contour "sunk" and for outwardly projecting charging contacts 23rd the charging tray 22 accessible, they overlap in the state of charge when placed on the charging tray 22 and due to their resilient arrangement securely contacted support it.
- the board carries 36 approximately centrally, flat and near the surface unspecified noise resistors and capacitors and in the upper part of a slide switch 38 and at the upper end under each one from the back and arrowhead-like aperture or window 59 in the longitudinal direction two light-emitting diodes 57, 58 for optical indication of the direction of rotation and centrally between these a rectangular window, under which another LED 75 sits, which serves as a charge status indicator and shows the user of the cordless screwdriver by more or less fast flashing, if the battery is plentiful or only slightly charged.
- the LED 75 overlapping window carries a known from automotive technology pictograph of a gas pump with tank hose, which is known as a request for refueling and the user of the cordless screwdriver 10 unmistakably conveys that the battery 40 must be charged.
- the circuit board 36 is arranged with its longitudinal side parallel to the handle 14 and thereby with its narrow side transverse to the center plane 15. It is in this case unspecified, groove-like recesses of the two half-shells 16, 17 so clamped free of play that it is supported from the inside against the half-shells 16, 17 and thereby forms a reinforcing rib in the handle 14.
- Parallel to the circuit board 36 is inserted as a battery 40 lithium ion cell with the known advantages in the handle 14, which is gripped by the two half-shells 16, 17 in the mounting state and secured in position and thus integrated into the strength structure of the housing 12.
- the battery 40 has at the top and bottom each serving as a solder tag contact plate 42, 43, which is wired to the circuit board 36.
- a slide switch 39 (FIG. Fig. 2 ) transversely to the center plane 15 of the motor housing 12, guided by not designated, lateral openings of the half-shells 16,17, arranged back and forth.
- the sliding switch 39 engages with a fork-like extension 390, not shown, a sliding member 41 (FIG. Fig. 2 ) of the box-like, in the upper region of the board 36 fixed slide switch 38.
- extension 390 sliding member 41 The overlapped by the extension 390 sliding member 41 is by means of sliding switch 39 in the extreme left and right side position and - Transport of the cordless screwdriver 40, for example in the pocket of the user - adjustable in a central position.
- the extension 390 of the sliding switch 39 locks the switch button 26 so far that it can be actuated to switch on the workstation lighting 80 by means of the switch 32, but not the switch 34 for switching on the power supply of the motor 46.
- a DC-powered motor 46 in the front region of the motor housing 12 is grasped like a pliers by the half shells 16,17 after their assembly and in its working position, aligned parallel to the inserted in the motor housing 12 gear housing 18 aligned.
- the motor 46 has a rear and front stepped motor collar 48, 49 (FIG. Fig. 3 ), from which the rear and front end of the motor shaft 45 exits.
- the motor 46 is mounted supported centered about its front and rear engine collars 48, 49 in corresponding bearing block-like ribs of the half-shells 16, 17.
- the front end 47 of the motor shaft 45 is provided with a flattening or with a two-fold, in particular formed, and thus engages in the mounting position in a corresponding flattened recess of an input pinion 66 of the arranged in the transmission housing 18 gear 65, which is designed as a planetary gear.
- gear 65 which is designed as a planetary gear.
- the two half-shells 16, 17 engage in a forceps-like and form-fitting manner a transmission housing 18 mounted as a separate cylindrical assembly and hold it free of play.
- This has in two axial, to the motor housing 12 extending, tongue-like, partially cylindrical extensions 60 ( Fig. 3 ) a Ge Reifeningnut 54, which is bounded by an annular bead 55.
- the annular bead 55 engages in a matching Jacobringnut 56 inside of the end face of the half-shells 16, 17 of the motor housing 12, wherein mating Gegenringwulste 53 of the half-shells 16, 17 engage positively in the GeNeillingnut 54 of the gear housing 18.
- the motor housing 12 carries the inserted transparent window 59, which extends longitudinally in the parting plane 15 and by three openings of the half shells 16, 17, the view of the green light emitting diode in the form of a directional arrow - or the red light emitting diode 57, 58 - in the form of a backward arrow - releases, depending on a direction of rotation of the motor shaft 45 ( Fig. 4 ) and illuminated with this.
- the third light-emitting diode 75 is arranged, which is designed as a double LED and which functions both as a charge and as a charge status indicator. When switching on the switch 34 or when the engine 46, this goes out automatically.
- the charging indicator lights up red even when the shift key 26 is in its off position. If the battery 40 is partially discharged, the green charge status indicator informs, for example by more or less rapid flashing when the switch 32 is turned on, more or less "energy reserve" in the battery 40.
- an output spindle 20 which is frontally designed as a hexagon socket 21 for receiving matching standard bits.
- the hexagon socket 21 is provided with means that hold the inserted screw bit or bit against loss, so that for their axial removal of a certain resistance by hand must be overcome.
- a workstation lighting 80 has a diffuser 82 and an LED 86, which sit together in a bore 84 approximately vertically below the output spindle 20.
- the bore 84 extends parallel to the output spindle 20 through the gear housing 18. In the area of their front, in viewing direction right-side opening 840, the bore 84 is widened stepwise and there takes the lens 82 on captive.
- the LED 86 is connected via an along the inner wall of the motor housing 12 in the bore 84 leading electrical line 88 to the battery 40 and the first switch 32 and - as already explained - by pressing the switch 32 switched.
- the diffusing screen 82 is designed as an optical lens, in particular as a Fresnel lens, and arranged such that light emitted by the LED 86 is directed at an angle upwards and in the middle in the vicinity in front of the output spindle 20 or against the screw received by the hexagon socket 21 or Bohrbit is focused on a potentially machined workpiece.
- FIG. 2 shows an exploded view of the left half shell 17 of the motor housing 12 with the top in the rear area arranged window 59 for the direction of rotation display 57, 58 and the state of charge indicator 75th
- the circuit board 36 with the soldered battery 40 and the switches 32, 34, 38 and the light emitting diodes 58, 57, which are electrically connected to the slide switch 38 and the electric line 88 for the workstation lighting 80th Die LED 75 is connected to an unspecified circuit, which serves to control the state of charge and accordingly the LED 75 with higher or lower flashing frequency drives.
- Above the inlet opening 29 for the switching button 26 sits the transversely to the longitudinal axis of the cordless screwdriver 10 geradverschiebbare slide button 39 for rotation adjustment of the motor 46.
- the slide button 39 is again arranged as a detail in the viewing direction right above, the fork-like extension 390 for engaging behind the switching member 41 of the Scheibeschalters 38 is recognizable.
- the switch button 26 is shown as a detail, wherein the pivot axis 30 for insertion into the axle holder 31 in the half shell 17, the cams 261, 262 for actuating the switches 32, 34 and the mandrel 263 for receiving the compression spring 28 are visible.
- the switching button 26 On the opposite side of the pivot axis 30, the switching button 26 has a stop tongue 27, on the one hand prevents detachment of the switch button 26 from the inlet opening 29 and on the other hand when depressing the switch button 26, the slide switch 39 locked in its currently selected position or on the other hand in the center position of the slide switch 39 prevents the depression of the switch button 26, so this locked.
- FIG. 3 shows a further exploded view of the cordless screwdriver 10 with a view of the outside of the right half shell 16 of the motor housing 12 and the gear housing 18.
- the motor 46 with the rear and front engine 48, 49, and the motor shaft 47 with the flattened end 45 may be mentioned.
- the end 45 of the motor shaft 47 is provided for entry into a central, not shown, slot in the input pinion 66 and for its rotational drive and thus for driving a transmission housing 18 arranged in the transmission 65.
- the gear housing 18 clearly shows the motor housing 12 facing, axial extensions 60 with the annular beads 55 and the annular grooves 54 which are pliers-like by corresponding counter-geometries of the facing ends of the half-shells 16, 17 of the motor housing positively gripped and fixed in position.
- the bore 84 located centrally below the output spindle 20 for receiving the LED 86 and the LED 86 itself can be seen as a detail of the workstation lighting 80.
- FIG. 4 shows the top view of the charging tray 22 with ready-laid battery-operated screwdriver 10, wherein on the previous illustrations, a laterally next to the cordless screwdriver 10 positively and non-positively halterbarer, removable bit holder 99 can be seen.
- This has incorporated insertion openings 95 for captive capturing ringbits 93 and is in a groove 98 flush with the charging tray 22 in this insertable or by taking his finger in the extension 96 of the groove 98 easily removed from this. It can be comfortably carried along with the cordless screwdriver 10 by the operator - for example in his trouser pocket.
- the charging shell 22 In axial extension to the front, the charging shell 22 has three stationary insertion openings 73 in which additional bits or the like can be carried secured against loss.
- the top view of the cordless screwdriver 10 makes it possible to see particularly clearly the light-emitting diodes 57, 58 for the direction of rotation indication as well as the state of charge indicator 75 on its upper side and the center plane 15.
- FIG. 5 shows a detail of the front portion of the cordless screwdriver 10 with the lower half-shell 16 with a view of the motor 46 and the gear housing 18, which are positively connected with each other interlocking.
- FIG. 6 shows a top view of another embodiment of the charging cradle 220 with an embedding 25, which is divided into a handle bed 251 and a gear housing bedding 252, in which the cordless screwdriver 10 is flush and almost no play clearly and foolproof inserted so that it rests securely and its charging contact tabs 37 ( FIG. 1 . 2 . 3 ) maintain safe contact with the charging contacts 23 of the charging cradle 220.
- the outer contour of the charging shell 220 is inclined surface and thus the pistol-shaped inner or outer contour of the cordless screwdriver 10 aligned.
- the charging contacts 23 protrude from the contour of the charging tray 23 in the region of the handle bedding 251 into which the cordless screwdriver 10 engages with its handle 14 and is supported with its own weight with its charging contact tabs 37 on the resilient charging contacts 23 of the charging shell 22. Simply by placing the cordless screwdriver 10 on the charging shell 220 immediately adjusts the state of charge with audible click.
- the charging tray 220 has in the direction of viewing the front left a recess 51 for the exit of an unspecified electrical cable, in the rear, the handle 14 of the cordless screwdriver 10 associated area a charging indicator 71 and a vertical insertion opening 730 for captive mounting a standard screw or Bore bits with hex shank carries.
- FIG. 7 shown matrix shows the switching states of the circuits for the main and secondary functions of the cordless screwdriver 10 and gives a systematic overview and explanation of which functions depending on the actuation stroke of the switch button 26 - see first column - expire, for example, that the direction of rotation not at half but only at fully depressed switch button 26 is displayed - in contrast to the workstation lighting 80, which is already lit when the switch button 26 is pressed halfway (1/2).
- the LED 75 for charging indicator glows green when the cordless screwdriver 49 is on the charging tray 22 or when charging current flows and goes out when the shift key 26 is pressed.
- FIG. 8 shown spatial representation of the board 36 with battery 40, the switches 32, 34, 38, the LEDs 57, 58, 75 and the charging contact tongues 37 illustrates again clearly the explanations FIG. 1 ,
- the LED 75 can be designed as a double LED or arrangement of two individual LEDs next to each other.
- the LED 75 indicates the state of charge only - in the color red - when the battery 40 is discharged to less than 1/3 of its total charge capacity and the switch button 26 closes the switch 32. If the switch button 26 is pressed further - to activate the switch 34 - the red warning display of the LED 75 goes out.
- the warning display can also be supplemented by a charge-current-controlled flashing device, so that with stronger discharge of the battery 40 a particularly fast flashing of the red A slower flashing gradually informs about the charge status of the battery 40.
- the green LED 75 only lights in the charging mode of the cordless screwdriver 40, i. when this is positioned in the charging shell 22 and charging current flows and goes out when in the cordless screwdriver 40 no charge current flows.
- FIG. 9 shown further side view of the cordless screwdriver 10 with disassembled half shell 17 illustrates again the comments FIG. 1 in particular, the design of the switch button 26 for sequential operation of the two switches 32, 34 should be emphasized.
- FIG. 10 shown left side view of the cordless screwdriver 10 with a view of the outside of the left half shell 16 shows the details according to FIG. 1 clearly, in particular the front side provided with two concave recesses 260, 261 outer contour of the switch button 26, one of the charging contact tongues 37, the cylindrical pin-like sliding switch 39 and from, the bottom of the gear housing 18, the contour of the opening 840 of the bore 84 of the workstation lighting 80.
- a Rubber sheath 11 with nub structure 110 in the lateral and rear region of the handle 14 with a lateral bead 111 recognizable.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Claims (9)
- Visseuse à accumulateur comprenant un boîtier (12, 18) avec une poignée (14) avec un bouton de marche/arrêt (26) et un accumulateur (40) installé notamment fixement dans celui-ci, et avec des languettes de contact de charge (37) associées à l'accumulateur (40), plusieurs circuits électriques de la visseuse à accumulateur (10) pouvant être ouverts ou fermés indépendamment les uns des autres l'un derrière l'autre sur leur course d'actionnement au moyen du bouton de commutation (26) s'étendant longitudinalement sur le côté interne de la poignée (14), caractérisée en ce que le bouton de commutation (26) est monté de manière pivotante et le bouton de commutation (26) est associé à deux commutateurs (32, 34) qui sont disposés dans la direction longitudinale du bouton de commutation (26) à distance l'un de l'autre de telle sorte que l'actionnement du bouton de commutation (26) permette de déclencher l'un après l'autre le premier commutateur (32) et le deuxième commutateur (34).
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que l'un des commutateurs électriques (32) sert de commutateur principal pour plusieurs circuits électriques de la visseuse à accumulateur (10) et en cas de dépression du bouton de marche/arrêt (26), annule l'interruption des circuits électriques et en ce que l'autre commutateur électrique (34) forme une deuxième interruption du circuit électrique du moteur, qui est fermée par une dépression supplémentaire du bouton de marche/arrêt (26).
- Visseuse à accumulateur selon la revendication 2, caractérisée en ce que les commutateurs électriques (32, 34), lors du relâchement du bouton de marche/arrêt (26), coupent les circuits électriques qui leur sont associés.
- Visseuse à accumulateur selon l'une quelconque des revendications précédentes, caractérisée en ce que l'un des commutateurs (32) sert d'interrupteur pour un éclairage de poste de travail (80).
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que le bouton de commutation (26) est supporté sur le boîtier (12) de manière précontrainte au moyen d'un ressort spiral (28) à l'encontre de la direction d'actionnement, et est monté de manière à pouvoir pivoter autour d'un axe de pivotement (30, 31).
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que seulement une pile unique allongée et mince à ions lithium (pile Li-Ion) est disposée en tant qu'accumulateur (40) dans la poignée (14).
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que pour la commutation de droite à gauche on dispose sur la platine (36) un commutateur coulissant (38), qui est actionné par le biais d'un bouton coulissant (39) notamment déplaçable en longueur.
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que, lorsque le bouton de commutation (26) est enfoncé, le commutateur coulissant (38) est bloqué, et en ce que le bouton de commutation (26) est bloqué lorsque le bouton coulissant (39) est dans la position intermédiaire.
- Visseuse à accumulateur selon la revendication 1, caractérisée en ce que sur chaque demi-coque (16, 17), dans la région de la poignée (14), est disposée une enveloppe de caoutchouc (11) saillant latéralement en forme de bourrelet sur une grande surface, avec une structure à protubérances (110).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004038787 | 2004-08-09 | ||
DE102004051913A DE102004051913A1 (de) | 2004-08-09 | 2004-10-26 | Akkuschrauber |
PCT/EP2005/053073 WO2006015909A1 (fr) | 2004-08-09 | 2005-06-29 | Visseuse electrique sans fil |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1778440A1 EP1778440A1 (fr) | 2007-05-02 |
EP1778440B1 true EP1778440B1 (fr) | 2009-06-03 |
EP1778440B2 EP1778440B2 (fr) | 2013-02-27 |
Family
ID=34981781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05756828A Active EP1778440B2 (fr) | 2004-08-09 | 2005-06-29 | Visseuse electrique sans fil |
Country Status (5)
Country | Link |
---|---|
US (1) | US7498526B2 (fr) |
EP (1) | EP1778440B2 (fr) |
CN (1) | CN101001721B (fr) |
DE (2) | DE102004051913A1 (fr) |
WO (1) | WO2006015909A1 (fr) |
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US10973545B2 (en) | 2002-05-31 | 2021-04-13 | Teleflex Life Sciences Limited | Powered drivers, intraosseous devices and methods to access bone marrow |
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-
2004
- 2004-10-26 DE DE102004051913A patent/DE102004051913A1/de not_active Withdrawn
-
2005
- 2005-06-29 US US11/573,389 patent/US7498526B2/en not_active Expired - Fee Related
- 2005-06-29 DE DE502005007430T patent/DE502005007430D1/de active Active
- 2005-06-29 CN CN2005800271623A patent/CN101001721B/zh active Active
- 2005-06-29 EP EP05756828A patent/EP1778440B2/fr active Active
- 2005-06-29 WO PCT/EP2005/053073 patent/WO2006015909A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1778440A1 (fr) | 2007-05-02 |
US7498526B2 (en) | 2009-03-03 |
DE102004051913A1 (de) | 2006-02-23 |
CN101001721A (zh) | 2007-07-18 |
DE502005007430D1 (de) | 2009-07-16 |
EP1778440B2 (fr) | 2013-02-27 |
US20070256914A1 (en) | 2007-11-08 |
WO2006015909A1 (fr) | 2006-02-16 |
CN101001721B (zh) | 2010-09-01 |
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