EP1607185B1 - Elektrisch angetriebenes Werkzeug - Google Patents
Elektrisch angetriebenes Werkzeug Download PDFInfo
- Publication number
- EP1607185B1 EP1607185B1 EP04076787A EP04076787A EP1607185B1 EP 1607185 B1 EP1607185 B1 EP 1607185B1 EP 04076787 A EP04076787 A EP 04076787A EP 04076787 A EP04076787 A EP 04076787A EP 1607185 B1 EP1607185 B1 EP 1607185B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shuttle
- tool according
- yoke
- nail
- move
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 45
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 230000003116 impacting effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power
Definitions
- the present invention relates to an electrically powered tool according to the preamble of claim1.
- a nail, tack or stapler are used to attach parts of different kinds of wood or other soft material where a nail, tack or stapler are used as suitable fasteners.
- a nail, tack or stapler are used as suitable fasteners.
- a hammer can be used to drive down a nail, tack or stapler in to its foundation.
- a tacker or stapler tool is used to drive down those fasteners.
- a tacker or stapler tool uses compressed air as a driving media.
- Compressed air is normally only available within manufacturing facilities because it needs a compressor to compress the air and a distribution system for the compressed air.
- the distribution system normally consists of steel tubes and at ends of the tube the system has a pressure-reducing valve with an air cleaner and a fast connection adapter.
- a tacker or stapler tool is normally a hand held tool and therefore needs a rubber hose between the tool and the connecting point at the end of the distribution system.
- the US patent 4,618,087 describes one or two coils which will be energized from 110 or 220 50/60 Hz voltage.
- a round bar or shuttle is used, and the coil is wound around the bar with an air gap between the inside of the coil and the bar.
- a magnet field is generated in the same direction as the bar is moving, i.e. in the longitudinal direction of the bar, and the bar will be pulled in inside the coil to fill up the coil interior.
- the magnetic field is directed from one end of the coil to the other end and this type of coils will therefore be named air coils.
- Air coils do normally have only 40% in efficiency, which is relatively low. For this reason, this type of solution is not suitable for battery operation.
- the document US 2004/0084503 teaches a nail-hammering apparatus with a hammer, a first and a second solenoid and a control device.
- the apparatus is arranged so that the second solenoid can be turned on in order to drive the hammer after the first solenoid.
- the object of the present invention is to provide an improved tool for fastening elements which can be made portable and battery-operated and which overcomes the disadvantages associated with the prior art.
- the present invention relates to a battery powered hand held tacker or stapler tool.
- the tacker or stapler tool consists of an electric powered linear actuator motor controlled by a microcomputer module, a battery as energy source and a conventional nail or stapler feeding system.
- the linear actuator motor is using a set of electro-magnetic yokes and a shuttle moving between the magnetic poles in these yokes.
- the shuttle has an energy absorbing spring in one end, which will be compressed when the shuttle moves backwards, and a driver pin in the other end to drive down the nail, tack or stapler into its foundation.
- the present invention can be implemented in the form of a new type of hand held cordless tacker or stapler tool is taking advantage of the new developed battery technique and of new types of microcomputer technologies to make an electric linear actuator motor to drive a nail, tack or stapler in to its foundation.
- the invention uses a magnetic yoke made from laminated magnetic soft iron and the magnetic field extends perpendicularly to the bar or shuttle moving direction over a soft iron ring in the shuttle. In this way the magnetic field will move inside iron except for two very small air gaps between the yoke and the shuttle.
- This type of magnetic design can be named iron core coils and will have 80% efficiency or better depending on the size of the air gap.
- a motor with a yoke and a shuttle arrangement has also the advantage of being able to fire many nails or staplers per second.
- FIG 1A and B shows a 3D and a side view of a battery powered tacker or stapler tool according to an embodiment of the invention, comprising a rechargeable and replaceable battery 1.
- a linear actuator motor is arranged, with a shuttle (not shown in Figs. 1A and B) inside a housing 4.
- the shuttle movement starts with the actuation of a trigger 2 and as a result of this, the shuttle will move from its lowest position to the top position and back again.
- one nail, tack or stapler in a feeder cassette 5 will move forward to a fire rail 6 and a driver arranged in front of the shuttle will be guided into the fire rail and drive down the nail, tack or stapler into its foundation.
- a display 7 located and it will inform the operator of different tool status like time to chance battery or no nails, tacks or staplers in the feeder cassette or other useful information.
- Figure 2A and B show a 3D and a side view of the linear actuator motor which is located in the stapler tool housing 4 mentioned above.
- the motor is built together from two types of yoke assemblies, more precisely a first yoke assembly 8 and a second yoke assembly 9.
- the yoke assemblies 8, 9 are arranged with coils 15 at 10:00 and 16:00 a clock (i.e. the first yoke assembly 8) and with coils 15 at 8:00 and 14:00 a clock (i.e. the second yoke assembly 9).
- the two types of yoke assemblies are stacked after each other alternating between the first type 8 and the second type 9 of yoke assembly.
- Figure 2A or B shows four yoke assemblies but the motor can consist of a stack of a varying number of yoke assemblies depending on how much impact energy the motor has to deliver.
- the shuttle 10 located and the shuttle is guided by the center hole in the distance part 17 in the yoke assembly (se figure 3A and B).
- Two screws 11 are holding the yoke assemblies together (only one screw is visible in the figure) and the yoke assemblies are lined up with each other to facilitate a perfect guiding of the shuttle 10.
- the front plate is removed by purpose to make the yokes 16 and coils 15 visible.
- the motor has several yokes and it will always have almost 50% of the yokes activated, and as soon as one yoke ends a new one will start.
- the shuttle will now move backwards in to the motor and by doing this it will compress the energy absorbing spring 14 and the spring 14 will now transform the kinetic energy from the shuttle movement to static energy which can be used in the impact movement by the shuttle.
- Figure 3A and B show a 3D and a front view of one yoke assembly.
- the yoke assembly consists of a distance 17 made from a non-magnetic material with good bearing properties for the bearing hole in the center. On top of the distance 17 two c-shaped yokes 16 are located facing each other.
- the yokes 16 are made from several magnetic sheet metal plates laminated together to form each yoke.
- On each yoke a coil 15 is assembled and between the coil and yoke one or two extra laminate plates 20 are located to make the area inside the coil equal to the area of the yoke pole face 19.
- the use of the extra magnetic plates 20 depends on the magnetic field inside the yoke if it will be saturated or not.
- the two yokes 16 are located in a way so that the four pole faces 19 are forming a circle, which is concentric to the bearing hole in the center of the distance 17. After the four pole faces in the two yokes are positioned right in relation to the center hole in the distance 17 the two yokes are fastened with four fasteners 18.
- the diameter of the pole face circle is approximately 0,1 to 0,15 mm greater than the diameter of the bearing center hole in the distance 17. This difference will make up the air gap between the shuttle iron core 12 and the pole faces 19 as the shuttle 10 is guided by the bearing hole in the distance 17.
- Figure 4A, B and C shows two 3D views and a side view of the shuttle 10 with the driver 13 and return spring 14.
- the shuttle can be built in several ways but this picture shows a tube 21 made of non-magnetic material like aluminum or stainless steel.
- a shuttle iron core 12 On the periphery of the tube, several magnetic sheet metal parts are stacked together to a shuttle iron core 12 and in between each shuttle iron core 12 a shuttle distance 22 made from non-magnetic material is located to give the right spacing between each shuttle iron core.
- the whole shuttle package is held together by a stop 26 in one end of the tube 21 and a nut 24 in the other end by means of which the laminate package can be pressed together.
- the laminated shuttle iron core 12 will function as a bridge for the magnetic field to move from one pole face 19 over the air gap to the next air gap and pole face in the first and second magnetic yoke assemblies 8 and 9. As long as the shuttle iron core 12 is on its way into a yoke the magnetic field will pull the shuttle iron core to line up inside the yoke assembly.
- the driver 13 On one end of the tube 21 the driver 13 is assembled with some mechanical fastener to the tube to hold the driver in position in relation to the shuttle.
- the driver 13 may by guided inside the tube to make it easy for the driver to guide in to the fire rail 6 when the shuttle is on its way down to impact a nail, tack or stapler.
- the spring 14 On the other side of the tube 21 the spring 14 is located at least partly inside the tube and one end of the spring will rest against a stop inside the tube like the end of the driver 13 or some other stop. The other end of the spring will rest on the surface of the top cover of the housing 4. A pin assembled to the housing top cover 4 will stick down inside the spring 14 to guide the part of the spring, which not are guided by the tube 21.
- timing bar 23 is assembled along one side of the shuttle body.
- the main purpose for the timing bar is to indicate to sensors (to be described below) located between the yokes inside the distances 17 where the shuttle is located in relation to the different yokes. At the same time the signals from the sensors can be used to calculate the speed of the shuttle.
- a second use for the timing bar 23 is to inhibit the shuttle to rotate around its center axis to avoid the magnetic area in the shuttle iron to be reduced by the assembly slots holding the timing bar.
- Figure 5A, B, C and D show a start and stop position and the relation between the timing bar 23 and the sensors 27, for example comprising a light beam cooperating with a detector.
- the timing bar 23 and the sensors 27 for example comprising a light beam cooperating with a detector.
- the shuttle 10 is in its starting position for a return movement and for simplicity only two yoke assemblies are showed, i.e. the first yoke assembly 8 and the second yoke assembly 9.
- the shuttle iron core 12 is just positioned in front of the yoke 16 in yoke assembly 9.
- the distance between shuttle iron core 12 and the yoke 16 is approximately 0,8 to 0,5 mm.
- a light beam 28 generated by the sensor 27 located in the distance 17 is shining through the window 29 in the timing bar 23 and a signal is informing the logic circuits in a control unit (not shown in the drawings) to energize the coils 15 in the yoke assembly 9.
- the new sensor 27 will now indicate to the logic that it is time to energize the first yoke assembly 8 and the magnetic field will pull the shuttle 10 to the position in figure 5D.
- the shuttle iron core 12 has moved in to yoke 16 in yoke assembly 8 and the window 29 will close the light beam 28 and the magnetic filed in yoke assembly 8 will be shut off.
- the process will start all over again from figure 5A. If the design now has more yokes like four, six or eight yokes, several of the yokes will be on parallel but in a staggered mode.
- Figure 6 will show a timing curve for four yokes like the design in figure 2A and B.
- the four yokes are named A to D and yoke A is the lowest curve, yoke B the second one, yoke C the third one and finally yoke D is on top.
- yokes D and C are on but when yoke C is going off yoke A will go on and than yoke D is going off yoke B will go on. In this manner the different yokes will be on and off in a staggered mode.
- Sometimes when one yoke goes off and the next on it will take a movement of 0,1 to 0,2 mm of the shuttle between the on and off sequence. If the motor has six or eight yokes the timing will be in the same manner but three or four yokes will be on the same time but staggered in sequence like in figure 6.
- Timing concepts can be used. In figure 5 only two yokes were used but instead of yoke 8, two or three yokes could be arranged mechanically in a way so that they work in a parallel manner. If we for example have four yokes it means that two yokes go on at the same time. The other two yokes also go on at the same time but after the first two go off.
- Figure 2B shows the shuttle 10 in its low position which means that the tip of the driver 13 is lined up with the low tip of the fire rail 6.
- the motor starts to move the shuttle 10 backwards and the force made by the motor has to be higher than the force from the spring 14 to make the shuttle move.
- Figure 7 shows two curves, one is the motor force and the other the spring force.
- the spring has a starting force of 120 N and the motor has 200 N in average force.
- the shuttle starts to move and the speed increases up to 4.1 m/s after 85 mm of movement. At this point the spring curve crosses over the motor curve and the speed will slow down close to zero after 140 mm movement. The whole back up movement will take 54.5 ms in time.
- Figure 8 shows the forward or the impact movement and it is now two forces moving the shuttle forward the force from the compressed spring and the force from the motor.
- the motor force may fall down below 200 N at a speed over 6 to 10 m/s due to limitations in rise time for the current passing through the coils 15 and also depending on the thickness of the yoke 16 and other motor parameters. For this reason, there is a dip in the motor force curve.
- FIG. 8 shows that it needs 40 J of energy to impact a 65 mm long nail, 40 J is equal of a force rising from zero N to 514.9 N after 10 mm nail penetration and ends with 754.9 N after full nail penetration into its foundation.
- the shuttle starts the impact cycle and the speed increases up to 11.7 m/s at the time it impact the nail and after that the speed slow done to 1.4 m/s which means that the nail will be driven down with only one return and impact cycle.
- the total impact cycle will take 21.3 ms and the return cycle 54.5 ms, which means a total time of 75.8 ms.
- Figure 9 shows the shuttle speed in relation to the shuttle position.
- the return speed depends on the shuttle weight, motor force and spring force.
- the shuttle will reach a speed of up to 4 to 8 m/s as a peak and slow down to zero m/s at the top position.
- a typical top speed will be between 10 to 15 m/s just before the impact between driver 13 and the nail and after that it reduces to zero m/s.
- the tacker tool has a micro computer controlling the timing and shuttle speed it can determine if the motor has to reduce the force in the end of the cycle to inhibit the nail to impact too deep into its foundation.
- the microcomputer finds that the shuttle has too low speed to drive the nail totally down it has no way to increase the spring or motor force. To overcome this problem it can immediately start to return the shuttle a second time after it has stopped and depending on how many millimeters nail penetrating which is left over it will return the shuttle the appropriated amount and from that position make a second impact cycle to move the nail further down into its foundation. This can happened because 40 J of impact energy is based on normal wood material but if the nail for example has to penetrate into a harder wood type one shuttle cycle may not be sufficient to move the total length of the nail down into its foundation. Therefore it is important to have control over the shuttle speed and determine if a second impact cycle is needed or if the speed has to be reduced by reducing the motor force to control the impact of the nail tack or stapler into its foundation.
- the size and cost of the tacker or stapler tool motor and return spring can be reduced if the impact of a nail, tack or stapler is based on minimum two or three shuttle cycles.
- One cycle only take approximately 75 to 100 ms two full or almost full cycles will not take no more than approximately 150 to 200 ms.
- the two cycles is performed during a very short time it is not possible for the operator to determine if one, two or even three cycles is used to impact the nail, tack or stapler.
- one size of tacker or stapler tool can cover a wider range of different nails, tacks or staplers.
- the microcomputer has a good control over the shuttle speed and that the shuttle can start a return movement from any stop position as the nail, tack or stapler can stop in any place after the first impact depending on the hardness of the material in the foundation. If the microcomputer is informed abut how many millimeters the nail, tack or stapler has to be moved the second time it can calculate how long it has to return the shuttle the second time to generate the right amount of energy to impact the nail, tack or stapler with the second movement.
- the linear motor starts to move the shuttle backwards and compress the spring.
- the spring is compressed and all the kinetic energy from the return movement of the shuttle is saved in the spring.
- the shuttle now immediately starts the forward or impact movement and accelerates to high speed with help of the linear motor and the compressed spring.
- the nail, tack or stapler feed system will feed in a new nail, tack or stapler in to its fire rail.
- the shuttle has reached its highest speed just as the driver impacts the top of the nail, tack or stapler and the kinetic energy in the shuttle will be converted to a force which together with the force from the spring and motor constitutes a total force which will move the nail, tack or stapler into the foundation.
- the invention can be arranged in the following manner. If the impact energy from the shuttle is not high enough to move a long nail or stapler in to its foundation the shuttle will immediately start a new return movement and make a second impact motion to impact the nail or stapler a second time, or possibly even several times.
- the linear motor which drives the shuttle consists of a minimum of two electro-magnetic yokes made from soft laminated magnetic iron.
- the yokes are spaced after each other with the same spacing or variable spacing depending on the timing concept. The number of yokes depends on the energy output, which are demanded from the tacker or stapler tool in question. Every yoke has one or two electric coils connected through a power transistor to the battery. The yoke has two magnetic poles and in between these poles is the shuttle moving with a controlled air gap between the poles and the shuttle.
- the shuttle has also several soft laminated magnetic iron cores spaced at a constant distance from each other.
- a shuttle iron core When a shuttle iron core is on its way to enter in between two poles in one yoke the power transistor will open and current will flow through the coils and a magnetic filed is produced inside the yoke.
- the magnetic field will now flow from the north pole in the yoke over the air gap, through the iron core in the shuttle, over the second air gap and in to the south pole on the yoke.
- the iron core in the shuttle is on its way in, in between the poles in the yoke the magnetic field in the two air gaps on each side of the shuttle iron core will generate a forward force to move the shuttle.
- the shuttle iron core At that moment the shuttle iron core is lined up with the pole faces in the yoke the power transistor will close and no more magnetic filed excite inside the yoke.
- the timing of the yokes will be A / D, A / B, B / C, and C / D and after that the timing will repeat again. If the spacing of yokes and iron cores in the shuttle and timing is right approximately 50 % of all the yokes will be activated to produce a forward force on the shuttle.
- the shuttle can be designed as a long round or rectangular bar with soft laminated magnetic iron cores with approximately the same width as the width of the pole faces.
- An alternative design can use permanent magnets in the shuttle instead of soft laminated magnetic iron cores. If permanent magnets are used it is possible to use up to 100 % of the yokes at the same time if the driver transistors for the coils on the yoke can drive the current in both directions through the coil. If the current direction can alternate the north and south poles in the yoke this alternation will pull the shuttle magnet in to the air gap and push the shuttle magnet out of the air gap.
- the spacing of these soft magnetic iron cores have to have a relation to the spacing between the yokes to achieve an optimum of yokes to be activated during a shuttle motion.
- the shuttle will be guided in a bearing system with high accuracy in relation to the yokes to maintain the proper air gap between the iron cores in the shuttle and the pole-faces in the yokes, a typical air gap has to be between 0,05 to 0,1 mm.
- the spring in the shuttle can partly be guided inside the shuttle and partly by some guiding bar in the tool housing.
- On the opposite side of the shuttle is a small rectangular hardened steel bar in the form of a driver arranged, which will be guided into the fire rail where a nail, tack or stapler are located to impact the nail, tack or stapler.
- the driver is fastened to the shuttle by some shock absorbing material to reduce the impact shock.
- timing-bar located and in between some of the yokes are some sensors located which can work according to either optical or magnetic principals.
- the sensors will generate a set of electrical timing pulses, which has a relation to the physical positioning of the shuttle within an accuracy of +/- 0,1 mm to serve as an input to the microcomputer.
- the senor can be in the form of a light source (for example a LED or a laser) which cooperates with a light detector, or can be in the form of an inductive detector.
- a light source for example a LED or a laser
- the sensor can be in the form of an inductive detector.
- the purpose of the microcomputer is first to open and close the power transistors controlling the current to the coils based on the input from the shuttle sensors. Secondary the computer will preferably check several things like if a long nail or stapler is pushed the whole way in to its foundation or if a secondary shuttling movement is needed. It will also check if a nail, tack or staple is located in the fire rail, the condition of the battery charge and other things. Finally the computer will also inform the operator of the condition of the tool if it is time to make different activities like changing battery, fill up nails, tacks or staplers or to make other service work on the tool.
- the microcomputer has a program located in a memory.
- the program can be updated or changed by replacing a memory stick, which makes it possible to change the character of the tool, when replacing the feeder system from feeding nails to feeding staplers or some other change.
- the program can also be updated depending on the type of foundation for which the tool shall be used.
- the operator can be informed through a display or through a sound information system in the tool about information from the program.
- tack or stapler To push in a nail, tack or stapler into its foundation energy is needed and that energy will come from a battery attached to the tacker or stapler tool.
- the battery will also be the power source for the microcomputer and sensors.
- the battery can be of a Nickle-Metalhydride, Lithium Ion or Lithium-Polymer type.
- the two most important battery parameters are high power content per gram weight and high current output within the shuttle movement.
- the battery will be rechargeable and easy to replace. The energy contents in a normal battery will meet several thousand impacts before it is time for recharging.
- the output of the battery can also be parallel connected to a capacitor to protect the battery to be damaged from the high current output during one shuttle movement operation.
- the invention is not limited to the embodiments described above, but can be varied within the scope of the enclosed claims.
- the invention can be used with a battery, which can be rechargeable, or by means of a conventional power supply with a cord intended to be plugged into an electrical socket, for example having a voltage of 110 or 220 V.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Valve Device For Special Equipments (AREA)
- Dry Shavers And Clippers (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Surgical Instruments (AREA)
- Percussive Tools And Related Accessories (AREA)
Claims (15)
- Elektrisch angetriebenes Werkzeug für Befestigungselementen und aufweisend: ein mit einem Treiber (13) verbundenes sich bewegendes Pendelelement (10), undeinen Betätigungsmotor mit wenigstens zwei mit dem Pendelelement (10) zusammenarbeitenden elektromagnetischen Jochanordnungen (8, 9), welches für eine Verschiebung in Bezug zu den Jochanordnungen (8, 9) eingerichtet ist,wobei jede Jochanordnung (8, 9) elektrische Spulen (15) aufweist, die zum Erzeugen eines Magnetfeldes durch das Pendelelement (10) eingerichtet sind, undeine Steuereinheit, welche den Strom in den Spulen (15) steuert, um ein Magnetfeld derart zu erzeugen, dass eine Kraft zum Verschieben des Pendelelementes (10) erzeugt wird,dadurch gekennzeichnet, dass
die Jochanordnungen (8, 9) für die Erzeugung eines Magnetfeldes eingerichtet sind, welches im Wesentlichen senkrecht zu der Bewegungsrichtung des Pendelelementes (10) gerichtet ist. - Werkzeug nach Anspruch 1, dadurch gekennzeichnet, dass das Pendelelement (10) eine Anzahl in Abstand angeordneter Eisenkerne (12) aufweist.
- Werkzeug nach einem der Ansprüche 1 - 2, dadurch gekennzeichnet, dass das Pendelelement (10) so eingerichtet ist, dass es sich zwischen den Polflächen (19) aller Jochanordnungen (8, 9) bewegt.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Pendelelement (10) für eine Führung durch ein Lagerungssystem eingerichtet ist, um einen vorbestimmten Luftspalt zwischen den Eisenkernen (12) und den Polflächen (19) der Jochanordnungen einzuhalten.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Pendelelement (10) einen Treiberstift (13) besitzt, der in einem Ende des Pendelelementes angebracht ist, um auf den Kopf oder die Oberseite des Befestigungselementes zu schlagen, um es in seine Unterlage zu treiben.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Pendelelement (10) eine Feder (14) aufweist, die sich wenigstens teilweise innerhalb des Pendelelementes (10) befindet und kinetische Energie aus der Rückwärtsbewegung des Pendelelementes (10) aufnimmt.
- Werkzeug nach Anspruch 6, dadurch gekennzeichnet, dass das Pendelelement (10) dafür eingerichtet ist, sich rückwärts zu bewegen und die Feder (14) zu komprimieren und sich mit Hilfe sowohl der Federkräfte als auch der Magnetkräfte aus dem Motor vorwärts zu bewegen.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Pendelelement (10) dafür eingerichtet ist, sich mehrere Male rückwärts und vorwärts zu bewegen und bei jeder Pendelelementbewegung in einem gewissen Grad auf das Befestigungselement schlägt.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es eine Sensorvorrichtung aufweist, um die Position des Pendelelementes (10) und auf die Position bezogene Vorwärtsinformation für die Steuereinheit zu erfassen.
- Werkzeug nach Anspruch 9, dadurch gekennzeichnet, dass die Steuereinheit in der Form eines Mikrocomputers vorliegt, um die Information aus den Sensoren dergestalt zu verarbeiten, dass die Steuereinheit einen Stromfluss zu den Spulen (15) in den Jochanordnungen (16) initiieren und das Magnetfeld erzeugen kann, welches die Kraft zum Vorwärtsbewegen des Pendelelementes erzeugt.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Steuereinheit dafür eingerichtet ist, den Auslösezeitpunkt für jede einzelne magnetische Jochanordnung (8, 9) zu ermitteln und die Anzahl von Schlägen zu verfolgen und ob sich ein Befestigungselement vor einem Schlag in der richtigen Position befindet.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es eine Batterie (1) aufweist, welche die Spulen (15) auf den Jochanordnungen (16) mit Energie versorgt.
- Werkzeug nach Anspruch 12, dadurch gekennzeichnet, dass die Batterie in einer getrennten Ladeeinheit wieder aufladbar ist und durch eine wieder aufgeladene Batterie ersetzt werden kann.
- Werkzeug nach einem der Ansprüche 12 oder 13, dadurch gekennzeichnet, dass es einen Sensor für die in der Batterie (1) verbliebene Energiemenge aufweist, um den Bediener rechtzeitig auf das Auswechseln der Batterie gegen eine neue oder wieder aufgeladene Batterie aufmerksam zu machen.
- Werkzeug nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass es eine Zuführungskassette (5) für Befestigungselemente, wie zum Beispiel Nägel, Stifte oder Klammern aufweist, um einen Nagel, Stift oder eine Klammer rechtzeitig in Position in der Schussschiene (6) vor dem an dem Pendelelement (10) angebrachten Treiber (13) zu bringen, um den Nagel, den Stift oder die Klammer in einer geführten Weise in die Unterlage zu treiben.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04076787A EP1607185B1 (de) | 2004-06-18 | 2004-06-18 | Elektrisch angetriebenes Werkzeug |
ES04076787T ES2286557T3 (es) | 2004-06-18 | 2004-06-18 | Herramienta accionada electricamente. |
DE602004005973T DE602004005973T2 (de) | 2004-06-18 | 2004-06-18 | Elektrisch angetriebenes Werkzeug |
PT04076787T PT1607185E (pt) | 2004-06-18 | 2004-06-18 | Ferramenta alimentada electricamente |
AT04076787T ATE359898T1 (de) | 2004-06-18 | 2004-06-18 | Elektrisch angetriebenes werkzeug |
DE602005013664T DE602005013664D1 (de) | 2004-06-18 | 2005-06-17 | Elektrisch angetriebenes werkzeug |
JP2007516437A JP2008502491A (ja) | 2004-06-18 | 2005-06-17 | 電動工具 |
RU2006144839/02A RU2372184C2 (ru) | 2004-06-18 | 2005-06-17 | Инструмент с электрическим приводом |
AT05753974T ATE427190T1 (de) | 2004-06-18 | 2005-06-17 | Elektrisch angetriebenes werkzeug |
PCT/SE2005/000931 WO2005123346A1 (en) | 2004-06-18 | 2005-06-17 | Electrically powered tool |
EP05753974A EP1755834B1 (de) | 2004-06-18 | 2005-06-17 | Elektrisch angetriebenes werkzeug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04076787A EP1607185B1 (de) | 2004-06-18 | 2004-06-18 | Elektrisch angetriebenes Werkzeug |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1607185A1 EP1607185A1 (de) | 2005-12-21 |
EP1607185B1 true EP1607185B1 (de) | 2007-04-18 |
Family
ID=34928295
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04076787A Expired - Lifetime EP1607185B1 (de) | 2004-06-18 | 2004-06-18 | Elektrisch angetriebenes Werkzeug |
EP05753974A Not-in-force EP1755834B1 (de) | 2004-06-18 | 2005-06-17 | Elektrisch angetriebenes werkzeug |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05753974A Not-in-force EP1755834B1 (de) | 2004-06-18 | 2005-06-17 | Elektrisch angetriebenes werkzeug |
Country Status (8)
Country | Link |
---|---|
EP (2) | EP1607185B1 (de) |
JP (1) | JP2008502491A (de) |
AT (2) | ATE359898T1 (de) |
DE (2) | DE602004005973T2 (de) |
ES (1) | ES2286557T3 (de) |
PT (1) | PT1607185E (de) |
RU (1) | RU2372184C2 (de) |
WO (1) | WO2005123346A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7537145B2 (en) | 2007-02-01 | 2009-05-26 | Black & Decker Inc. | Multistage solenoid fastening device |
US8225978B2 (en) * | 2007-02-01 | 2012-07-24 | Black & Decker Inc. | Multistage solenoid fastening tool with decreased energy consumption and increased driving force |
JP2008221436A (ja) * | 2007-03-15 | 2008-09-25 | Hitachi Koki Co Ltd | 燃焼式動力工具 |
TWI590929B (zh) * | 2008-05-20 | 2017-07-11 | Max Co Ltd | tool |
WO2024039983A1 (en) * | 2022-08-17 | 2024-02-22 | Illinois Tool Works Inc. | Electromagnetic actuation mechanism |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE472589C (de) * | 1926-07-15 | 1929-03-04 | Alberto Bettica | Elektrischer Hammer |
US2572012A (en) * | 1949-01-26 | 1951-10-23 | David G Robanske | Semiautomatic electric nailer |
US2967302A (en) * | 1958-07-01 | 1961-01-10 | Robert B Loveless | Electric hammer |
US3434026A (en) * | 1966-12-12 | 1969-03-18 | Fastener Corp | Electrically operated reciprocating tool |
DE1536451A1 (de) * | 1967-10-04 | 1970-05-14 | Electric Stapler Corp | Geraet zum Anbringen von Krampen od.dgl. |
DE2729002C3 (de) * | 1977-06-28 | 1981-08-13 | Erwin Müller GmbH & Co, 4450 Lingen | Heft- oder Nagelgerät dessen Eintreibstößel während seines Arbeitshubes mittels Tauchanker und Magnetspule antreibbar ist |
US4558391A (en) * | 1983-02-14 | 1985-12-10 | Xerox Corporation | Capacitive discharge drive for electric stapler |
DE3426072A1 (de) * | 1984-07-14 | 1986-01-30 | Erwin Müller GmbH & Co, 4450 Lingen | Elektrisch betriebenes heft- und nagelgeraet |
US4618087A (en) * | 1985-06-12 | 1986-10-21 | Lai Wen T | High impact force stapling machine with rebounded impact force damping |
US4721170A (en) * | 1985-09-10 | 1988-01-26 | Duo-Fast Corporation | Fastener driving tool |
SE460106B (sv) * | 1987-05-15 | 1989-09-11 | Isaberg Ab | Elektriskt indrivningsverktyg som potentialfritt kan hopkopplas med andra likadana indrivningsverktyg foer tidsfoerdroejd verksamgoerning |
JP3676879B2 (ja) * | 1995-07-25 | 2005-07-27 | 株式会社マキタ | 締結具打込み工具 |
US5927585A (en) * | 1997-12-17 | 1999-07-27 | Senco Products, Inc. | Electric multiple impact fastener driving tool |
US20020079111A1 (en) * | 2000-12-21 | 2002-06-27 | Camp Vincent J. | Electric hammer |
US6364193B1 (en) * | 2001-05-29 | 2002-04-02 | Acumen Power Tools Corp. | Electric nailing tool |
TW522080B (en) * | 2001-12-24 | 2003-03-01 | Jeng Jing Tz | Striking force increasing device for electric nailing machine |
JP2004148416A (ja) * | 2002-10-28 | 2004-05-27 | Matsushita Electric Works Ltd | 電動釘打機 |
US6796477B2 (en) * | 2002-10-30 | 2004-09-28 | Aplus Pneumatic Corp. | Nail-hammering apparatus |
-
2004
- 2004-06-18 ES ES04076787T patent/ES2286557T3/es not_active Expired - Lifetime
- 2004-06-18 AT AT04076787T patent/ATE359898T1/de not_active IP Right Cessation
- 2004-06-18 EP EP04076787A patent/EP1607185B1/de not_active Expired - Lifetime
- 2004-06-18 PT PT04076787T patent/PT1607185E/pt unknown
- 2004-06-18 DE DE602004005973T patent/DE602004005973T2/de not_active Expired - Lifetime
-
2005
- 2005-06-17 DE DE602005013664T patent/DE602005013664D1/de active Active
- 2005-06-17 JP JP2007516437A patent/JP2008502491A/ja active Pending
- 2005-06-17 WO PCT/SE2005/000931 patent/WO2005123346A1/en active Application Filing
- 2005-06-17 AT AT05753974T patent/ATE427190T1/de not_active IP Right Cessation
- 2005-06-17 EP EP05753974A patent/EP1755834B1/de not_active Not-in-force
- 2005-06-17 RU RU2006144839/02A patent/RU2372184C2/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2005123346A1 (en) | 2005-12-29 |
ATE427190T1 (de) | 2009-04-15 |
JP2008502491A (ja) | 2008-01-31 |
RU2372184C2 (ru) | 2009-11-10 |
ES2286557T3 (es) | 2007-12-01 |
DE602004005973T2 (de) | 2008-01-17 |
EP1755834B1 (de) | 2009-04-01 |
ATE359898T1 (de) | 2007-05-15 |
EP1607185A1 (de) | 2005-12-21 |
EP1755834A1 (de) | 2007-02-28 |
RU2006144839A (ru) | 2008-06-20 |
DE602004005973D1 (de) | 2007-05-31 |
DE602005013664D1 (de) | 2009-05-14 |
PT1607185E (pt) | 2007-07-26 |
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