EP0990488B1 - Kraftgetriebener Schrauber - Google Patents
Kraftgetriebener Schrauber Download PDFInfo
- Publication number
- EP0990488B1 EP0990488B1 EP99115724A EP99115724A EP0990488B1 EP 0990488 B1 EP0990488 B1 EP 0990488B1 EP 99115724 A EP99115724 A EP 99115724A EP 99115724 A EP99115724 A EP 99115724A EP 0990488 B1 EP0990488 B1 EP 0990488B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- drive shaft
- screwdriver
- cam
- tool
- 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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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
- B25B23/0064—Means for adjusting screwing depth
-
- 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
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
-
- 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
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
- B25B23/141—Mechanical overload release couplings
Definitions
- Such a screwdriver with depth stop is from the US 4,655,103.
- a screw With the known screwdriver, a screw can be placed on a with a depth stop preset screwing depth in screw in a surface. If the depth stop on the Surface closes, a clutch is switched off, with a largely silent shutdown.
- a motor-driven drive wheel is provided, that with an axially movable intermediate wheel forms a first cam clutch.
- the intermediate wheel acts on its other side facing the tool carrier with one another coupling element together, the oblique cam surfaces the assigned elements a second cam clutch form.
- Driving elements in the form of straight axially parallel Flanks provided by which when a certain basic moment that associated with the tool holder Coupling element is taken from the intermediate coupling element.
- there is between the drive wheel and the intermediate wheel a compression spring is arranged through which the idler gear in the direction is preloaded on the tool holder.
- the depth stop is first set to the desired one Screw-in depth set and then the tool holder with his tool placed on a screw to be screwed in and pressed. This will get all three coupling elements with each other so that the torque from the drive wheel is transferred to the tool carrier if with the Screwing process is started. Due to the occurring torque the idler gear and the coupling element connected to the tool holder somewhat pushed apart until the straight drive flanks join together come into engagement and a form-fit entrainment guaranteed is. The depth stop runs on the surface the tool carrier moves with the tool holder and the screw further until this is complete is screwed in.
- the invention is therefore based on the object of an improved power screwdriver with depth stop too create, either with a shutdown via depth stop or allows a torque-dependent shutdown and in both cases no rattling of the Shutdown clutch occurs.
- the release ring is on the tool drive shaft secured against rotation and against the Resistance axially displaceable. Furthermore, one Locking device provided to the release ring in an axial advanced towards the tool holder hold when the release ring is axially in operation under load moves towards the tool holder, and around the Release ring after the disconnect clutch has tripped and then Relieve discharge again.
- an axial stop is provided, on which a supports third spring element against which the disengagement ring axially is displaceable in the direction of the tool holder.
- Such an arrangement of a spring element enables the release the locking device locked in the advanced position after triggering and after subsequent relief of the Isolation clutch can be achieved in a simple manner.
- the first is Spring element between the cam ring and an axial stop the tool drive shaft clamped.
- Such an arrangement of the first spring element supports the function of the driving clutch.
- the tool drive shaft with one end axially on the drive shaft slidably guided.
- the locking device is trained as a ball ratchet by a fourth spring element can be locked, which between the Tool drive shaft and the drive shaft is arranged.
- the locking device has axial guide webs on the tool drive shaft on that with assigned grooves on the release ring cooperate to guide it.
- the tool drive shaft a central one on the side of the drive shaft Hole in which the drive shaft with a first End is axially displaceable.
- a blind hole can be made at the first end of the drive shaft be provided in which a first end of the fourth Spring element is added, with a second end of the fourth spring element abuts the central ball, which in the bore is guided axially.
- the second spring element is the Invention formed as a plate spring, which is between the Drive wheel and an axial stop on the tool holder supported side of the drive wheel.
- the second spring element as a plate spring can be a relatively high spring force with a small size of the spring element so as to achieve a large adjustment range to ensure the tripping torque when torque is switched off.
- the depth stop is in a preferred development of the invention detachably attached to the housing.
- the driving elements on the cam ring and on the intermediate ring are in preferred development of the invention as straight, in the axial direction running flanks at the outer end of the third and fourth cam elements formed.
- the spring elements matched so that the locking device after switching off the screwdriver and subsequent Relief unlocked again and in their starting position is pushed back.
- the first are also and second claw elements as claws with straight, in the axial direction running surfaces or as cams with oblique Surfaces formed that are steeper in relation to the axial direction are inclined as the first to fourth cam members.
- first, second, third and fourth cam elements as oblique cam surfaces formed, the slope of the first and second Cam elements is greater than the slope of the third and fourth cam elements to ensure that under load first the cam ring in the direction of the release ring shifts before a shift of the Drive wheel occurs.
- a screwdriver according to the invention is overall with the Number 10 denotes.
- the screwdriver 10 comprises a housing 11 in which a motor (not shown) is received, the one via a gear 74 meshing drive wheel 72 drives. More parts of the sun formed gear are not shown.
- the drive wheel 72 is mounted on a drive shaft 70 which with a Tool drive shaft 30 is aligned, at the outer end of one Tool holder 26, for example for holding a Screwdriver bits is provided.
- the torque from the drive wheel 72 can be via an intermediate ring 55 and a cam ring 50 transferred to a release ring 36 be secured against rotation and axially displaceable on the Tool drive shaft 30 is set.
- the tool drive shaft 30 is in the direction of its axis of rotation 27 slidable with respect to the drive shaft 70. For this is on end of the tool drive shaft facing the drive shaft 70 30 a central bore 41 is provided with which the tool drive shaft 30 axially displaceable on the end of the drive shaft 70 is led.
- the intermediate ring 55 is on the tool drive shaft 30 and the drive shaft 70 is freely rotatable.
- the cam ring 50 is also between the intermediate ring 55 and the release ring 36 arranged freely rotatable on the tool drive shaft 30.
- the release ring 36 is on axial guide webs 33 the outside of the tool drive shaft 30, which acts as outer webs are designed in the manner of a wedge profile, which in accordingly engage shaped grooves on release ring 36, axially movable, but non-rotatably mounted.
- cam elements 61 on the side facing the intermediate ring 55 with inclined cams according to that known from US 4,655,103 Sort arranged.
- These first cam elements 61 engage accordingly molded second cam members 57, which on Intermediate ring 55 are provided. Through this interlocking sloping cam flanks is therefore a release clutch formed, designated overall by the number 62 is.
- the drive wheel 72 is through a locking ring 71 in the direction secured on the tool holder 26 and on the other Side by a spring element 46 in the form of a plate spring, the hereinafter referred to as the second spring element, biased.
- the plate spring is also through a locking ring 75 secured and is facing away from the drive wheel 72 End supported by a thrust bearing 76, which is added to the housing 11 is.
- the drive shaft 70 is further at this end in a radial bearing 77, which can be designed as a plain bearing can, stored in the housing 11.
- the intermediate ring 55 forms a together with the cam ring 50
- Driving clutch designated overall by the number 65 is.
- the driver clutch 65 has third cam elements 56 in Form of oblique cam surfaces on which fourth cam elements 52 corresponding shape assigned to the cam ring 50 are.
- driving elements 100 and 101 are provided, whose shape can be seen from Figures 2a to 2d. It are first entrainment elements 100 in the form of straight, axially parallel flanks at the outer end of the oblique cam elements 56 on the intermediate ring and around corresponding driving elements 101 in the form of straight flanks at the end of the oblique Cam elements 52 of the cam ring 50.
- the cam elements 52, 56 and Driver elements 100, 101 formed the driver clutch 65, through which the cam ring 50 is entrained by the intermediate ring 55 becomes, when a certain basic torque occurs sets an axial displacement until the driving elements 100, 101 interlock positively.
- separating clutch designated overall by the number 54, the first claw elements 51 with straight, axially parallel flanks on cam ring 50 and second Claw elements 37 with correspondingly shaped, straight flanks on the release ring 36.
- the axial guide webs 33 on the tool drive shaft 30 have a first, tool-side end 34 and a second, the drive wheel 72 facing end 35.
- a first spring element 45 in the form of a tool shaft 30 enclosing Coil spring arranged which the tool drive shaft 30 in biases a direction away from the cam ring 50.
- the second spring element 46 in the form of the plate spring is - how already mentioned - between the drive wheel 72 and one Radial bearing 76 arranged.
- a third spring element 47 which is also called the Spiral spring enclosing the tool drive shaft between the first end 34 on the tool side clamped axial guide webs 33 and the axial stop 31, around the release ring 36 in the direction of the drive wheel 72 pretension.
- the release ring 36 can by a locking device, the total is designated by the number 43, in a contrary to Force of the third spring element 47 in the direction of the tool holder 26 advanced position can be locked, so that a sliding back of the release ring 36 in the direction of the Drive wheel 72 is prevented.
- This locking device 43 is trained as a ball ratchet, the total of three small balls 39, which in transverse bores of the tool drive shaft 30 are guided in the radial direction, and a central large ball 40, which by a fourth spring element 48, which in a blind hole 49 at the tool end of the Drive shaft 70 is received, towards the Tool holder 26 and towards the in the Cross bores 38 guided small balls 39 is biased.
- the bore 41 is at the tool end through a Blind hole 32 in the direction of the tool holder 26 extended, with a smaller diameter Blind hole 32 a seat 42 for a precise fit the central ball 40 is formed.
- the trigger torque of the trigger clutch 62 which by the Cam elements of the drive wheel 72 and the intermediate ring 55 are formed is, of course, of the shape and especially of that Flank angle of the cam elements 57, 61 depending. Furthermore the triggering moment is determined by the spring constant and length of the second spring element 46 affects.
- a particularly simple one Construction results if only the overlap of the Flanks of the first cam elements 61 and the second cam elements 57 is changed.
- the intermediate ring 55 can also be used with the help of an adjusting sleeve 13 via a radial bearing 60 which between Circlips on the intermediate ring 55 and the housing side fixed adjusting sleeve 13 is included, in the direction of the drive wheel 72 can be adjusted.
- the adjusting sleeve 13 is over a thread 12 connected to the housing 11 and can by Rotation in the axial direction can be adjusted.
- a Locking ring 14 is provided against the tension of a coil spring 18 are pulled in the direction of the tool holder 26 can and via an axial guide 17 rotatably with the adjusting sleeve 13 is connected.
- a plurality of locking cams 15 are provided in the circumferential direction, the between corresponding recesses on the housing 11 in different Angular positions can be locked to the locking ring 14th thus secured against rotation in a desired angular position.
- the depth stop designated as a whole with the number 21 is a depth stop of known design, for example according to EP 0 401 548 B1, which only relates to the outer end of the sleeve 19 can be plugged in until this on the Circlip 16 is applied.
- An embedded one is used for fixation O-ring 24.
- the depth stop 21 is a multi-part Plastic part formed, in which a thread 22 Axial adjustment of the end face 25 at the outer end of the depth stop allows.
- an inner adjusting sleeve 28 of the depth stop with respect to an outer stop sleeve 29 of the depth stop 21 can be locked in different angular positions are fixed, for which purpose two balls 29a are provided, which under the action of elastic O-rings 23 in different angular positions in appropriately shaped grooves engage on the stop sleeve 29.
- the depth stop 21 as a whole can be of the sleeve 19 are withdrawn.
- a tool 105 is in the tool holder Form of a screwdriver bit used to make a screw 102 to screw into a surface 104.
- the screwdriver is first Fig. 2a with the tool 105 on the head 103 of the screw 102 put on and pressed so that both the Trigger clutch 62, as well as the driving clutch 65 and Isolation clutch 54 are closed to at a subsequent Turn on the machine the torque from the drive wheel 72 to transmit the tool drive shaft 30 and thus the To be able to screw in screw 102.
- the third spring element 47 is in the position according to FIG. 2b somewhat shortened by the advanced release ring 36, the first spring element 45 continues to be compressed while the fourth spring element 48 through the displaced cam ring 50 is somewhat extended.
- the screw 102 is practically completely in the surface 104 screwed in, this increases towards the end of the screwing process Torque strong, so that the release torque of the release clutch 62 is exceeded and the drive wheel 72 against the Effect of the second spring element 46 is shifted until the Cam elements 57, 61 come apart according to FIG. 2c and thus the transmitted torque drops to a value of zero.
- the result is first when the screwdriver is placed with the Tool 105 on the head of the screw 103 a position in the drive wheel 72, the intermediate ring 55, as in FIG. 2a, the cam ring 50 and the disengagement ring 36 are pressed together, so that when you turn the machine on Torque is transmitted to the tool 105.
- the spring constants and the length of the spring elements 45, 47 and 48 should usefully be coordinated. Similarly, the shape and arrangement of the Cam elements and the driving elements on each other be coordinated.
- the cam elements 52, 56 have a smaller slope than the cam elements 57, 61, to advance the cam ring 50 toward to enable the release ring 36 before the release clutch 62 triggers.
- the release clutch 62 to a high release torque set so that there is no torque-dependent shutdown, before a shutdown via the depth stop is reached becomes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Description
- ein Gehäuse, an dem ein Tiefenanschlag festlegbar ist,
- ein relativ zum Tiefenanschlag in Richtung ihrer Drehachse verschiebbare Werkzeugantriebswelle, an der eine Werkzeugaufnahme gehalten ist,
- eine Antriebswelle,
- ein auf der Antriebswelle drehbar und axial verschieblich aufgenommenes Antriebsrad, das motorisch angetrieben ist,
- einen Zwischenring, der auf der Antriebswelle drehbar gelagert ist und eine erste, dem Antriebsrad zugewandte Seite und eine zweite Seite aufweist,
- einen Nockenring, der auf der Werkzeugantriebswelle drehbar gelagert ist und eine erste, dem Zwischenring zugewandte und eine zweite Seite aufweist,
- erste Nockenelemente auf dem Antriebsrad, die mit zugeordneten zweiten Nockenelementen auf der ersten Seite des Zwischenrings zusammenwirken, um eine erste Nockenkupplung zu bilden,
- dritte Nockenelemente auf der zweiten Seite des Zwischenrings, die mit zugeordneten Nockenelementen auf dem Nockenring zusammenwirken, um eine zweite Nockenkupplung zu bilden,
- erste Mitnahmeelemente am Zwischenring, die mit zugeordneten zweiten Mitnahmeelementen am Nockenring zusammenwirken und gemeinsam mit den dritten und vierten Nockenelementen eine Mitnahmekupplung bilden und
- ein erstes Federelement zur geräuschlosen Trennung beim Auslösen der Auslösekupplung.
- ein Ausrückring vorgesehen ist, der auf der Werkzeugantriebswelle gegen einen Widerstand gelagert ist,
- das erste Federelement zwischen dem Nockenring und dem Ausrückring angeordnet ist, um den Nockenring in Richtung auf das Antriebsrad vorzuspannen,
- auf der den ersten Nockenelementen abgewandten Seite des Antriebsrades ein zweites gehäuseseitig abgestütztes Federelement vorgesehen ist,
- erste Klauenelemente an der zweiten Seite des Nockenrings vorgesehen sind, die mit zweiten Klauenelementen am Ausrückring zusammenwirken, um eine Trennkupplung zu bilden.
- Fig. 1
- einen Längs-Teilschnitt durch einen erfindungsgemäßen Schrauber;
- Fig. 2a - 2d
- Prinzipdarstellungen zur Funktion des erfindungsgemäßen Schraubers bei Verwendung der Drehmomentabschaltung in stark vereinfachter Darstellungsweise, wobei Fig. 2a das manuelle Ansetzen und Andrücken des Schraubers auf eine Schraube zeigt,
- Fig. 2b
- die sich während des Einschraubvorgangs infolge eines gewissen Grunddrehmoments einstellende Stellung zeigt,
- Fig. 2c
- die Auslösung der Auslösekupplung bei Erreichen des voreingestellten Drehmoments zeigt,
- Fig. 2d
- die infolge des abgefallenen Drehmoments erfolgende Auslösung der Trennkupplung zeigt, wodurch ein ratterfreies Weiterlaufen ermöglicht wird;
- Fig. 3a - 3d
- Prinzipdarstellungen des erfindungsgemäßen Schraubers bei Verwendung des Tiefenanschlags in stark vereinfachter Darstellung zeigen, wobei
- Fig. 3a
- das Ansetzen des Schraubers an einer Schraube zeigt,
- Fig. 3b
- die sich während des Schraubvorgangs infolge des Grunddrehmoments einstellende Stellung zeigt,
- Fig. 3c
- das Auflaufen des Tiefenanschlags auf die Oberfläche zeigt, in der die Schraube eingedreht wird und
- Fig. 3d
- das Ansprechen der Trennkupplung zeigt, wodurch ein ratterfreies Weiterlaufen ermöglicht wird.
Claims (19)
- Kraftgetriebener Schrauber umfassend:ein Gehäuse (11), an dem ein Tiefenanschlag (21) festlegbar ist,eine in Richtung ihrer Drehachse (27) verschiebbare Werkzeugantriebswelle (30), an der eine Werkzeugaufnahme (26) gehalten ist,eine Antriebswelle (70),ein auf der Antriebswelle (70) drehbar und axial verschieblich aufgenommenes Antriebsrad (72), das motorisch angetrieben ist,einen Zwischenring (55), der auf der Antriebswelle (70) drehbar gelagert ist und eine erste, dem Antriebsrad (72) zugewandte Seite und eine zweite Seite aufweist,einen Nockenring (50), der auf der Werkzeugantriebswelle (30) drehbar gelagert ist und eine erste, dem Zwischenring (55) zugewandte und eine zweite Seite aufweist,erste Nockenelemente (61) auf dem Antriebsrad (72), die mit zugeordneten zweiten Nockenelementen (57) auf der ersten Seite des Zwischenrings (55) eine Auslösekupplung (62) bilden,dritte Nockenelemente (56) auf der zweiten Seite des Zwischenrings (55), die mit zugeordneten vierten Nockenelementen (52) auf dem Nockenring (50) zusammenwirken,erste Mitnahmeelemente (100) am Zwischenring (55), die mit zugeordneten zweiten Mitnahmeelementen (101) am Nockenring (50) zusammenwirken und gemeinsam mit den dritten (56) und vierten (52) Nockenelementen eine Mitnahmekupplung (65) bilden,ein erstes Federelement (45) zur geräuschlosen Trennung beim Auslösen der Auslösekupplung,ein Ausrückring (36) vorgesehen ist, der auf der Werkzeugantriebswelle (30) gegen einen Widerstand gelagert ist,das erste Federelement (45) zwischen dem Nockenring (50) und dem Ausrückring 36) angeordnet ist, um den Nockenring (50) in Richtung auf das Antriebsrad (72) vorzuspannen,auf der den ersten Nockenelementen (61) abgewandten Seite des Antriebsrades (72) ein zweites gehäuseseitig abgestütztes Federelement (46) vorgesehen ist,erste Klauenelemente (51) an der zweiten Seite des Nockenrings (50) vorgesehen sind, die mit zweiten Klauenelementen (37) am Ausrückring (36) zusammenwirken, um eine Trennkupplung (54) zu bilden.
- Schrauber nach Anspruch 1, dadurch gekennzeichnet, daß der Ausrückring (36) auf der Werkzeugantriebswelle verdrehgesichert angeordnet und gegen den Widerstand axial verschiebbar ist, und daß eine Sperreinrichtung (43) vorgesehen ist, um den Ausrückring (36) in einer axial in Richtung auf die Werkzeugaufnahme (26) vorgeschobenen Position zu halten, wenn sich der Ausrückring (36) im Betrieb unter Last axial in Richtung der Werkzeugaufnahme (26) verschiebt, und um den Ausrückring (36) nach einem Auslösen der Trennkupplung (54) und anschließender Entlastung wieder freizugeben.
- Schrauber nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß auf der Werkzeugantriebswelle (30) ein Axialanschlag (31) vorgesehen ist, an dem sich ein drittes Federelement (47) abstützt, gegen das der Ausrückrückring (36) axial in Richtung auf die Werkzeugaufnahme (26) verschiebbar ist.
- Schrauber nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, daß das erste Federelement (45) zwischen dem Nockenring (50) und einem Axialanschlag der Werkzeugantriebswelle (30) eingespannt ist.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Werkzeugantriebswelle (30) mit einem Ende an der Antriebswelle (70) axial verschieblich geführt ist.
- Schrauber nach Anspruch 4 oder 5, dadurch gekennzeichnet, daß die Sperreinrichtung (43) als Kugelgesperre ausgebildet ist, das über ein viertes Federelement (48) verriegelbar ist, das zwischen der Werkzeugantriebswelle (30) und der Antriebswelle (70) angeordnet ist.
- Schrauber nach Anspruch 6, dadurch gekennzeichnet, daß die Sperreinrichtung (43) axiale Führungsstege (33) an der Werkzeugantriebswelle (30) aufweist, die mit zugeordneten Nuten am Ausrückring (36) zur Führung desselben zusammenwirken.
- Schrauber nach Anspruch 7, dadurch gekennzeichnet, daß die axialen Führungsstege (33) als von der Werkzeugantriebswelle (30) nach außen hervorstehende Stege ausgebildet sind, deren erstes werkzeugseitiges axiales Ende (34) zur Abstützung des dritten Federelementes (47) auf seiner dem Ausrückring (36) zugewandten Seite dient, und deren zweites Ende zur Abstützung des ersten Federelementes (45) auf seiner der Werkzeugaufnahme (26) zugewandten Seite dient.
- Schrauber nach Anspruch 6, 7 oder 8, dadurch gekennzeichnet, daß eine Mehrzahl von Kugeln (39) in Querbohrungen (38) der Werkzeugantriebswelle (30) beweglich geführt sind, die über eine zentrale Kugel (40) durch das vierte Federelement (48) zur Verriegelung der Sperreinrichtung (43) beaufschlagbar sind.
- Schrauber nach einem der Ansprüche 6 bis 9, dadurch gekennzeichnet, daß die Werkzeugantriebswelle (30) auf der Seite der Antriebswelle (70) eine zentrale Bohrung (41) aufweist, in der die Antriebswelle (70) mit einem ersten Ende axial verschieblich geführt ist.
- Schrauber nach Anspruch 10, dadurch gekennzeichnet, daß am ersten Ende der Antriebswelle (70) eine Sacklochbohrung (49)vorgsehen ist, in der ein erstes Ende des vierten Federelementes (48) aufgenommen ist, und daß ein zweites Ende des vierten Federelementes (48) an der zentralen Kugel (40) anliegt, die in der Bohrung (41) der Werkzeugantriebswelle (30) axial verschieblich geführt ist.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das zweite Federelement (46) als Tellerfeder ausgebildet ist, die sich zwischen dem Antriebsrad (72) und einem Axialanschlag auf der der Werkzeugaufnahme (26) abgewandten Seite des Antriebsrads (72) abstützt.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Tiefenanschlag (21) am Gehäuse (11) abnehmbar befestigt ist.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß eine Stellhülse (13) zur axialen Verstellung des Zwischenrings (55) in Richtung auf das Antriebsrad (72) vorgesehen ist.
- Schrauber nach Anspruch 14, dadurch gekennzeichnet, daß an der Stellhülse (13) ein Rastring (14) axial verschiebbar und gegenüber dieser verdrehgesichert festgelegt ist, der gegenüber dem Gehäuse (11) verdrehbar und in verschiedenen Winkelpositionen verrastbar festgelegt ist.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Mitnahmeelemente (100, 101) als gerade, in Axialrichtung verlaufende Flanken am äußeren Ende der dritten und vierten Nockenelemente (56, 52) ausgebildet sind.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die ersten und zweiten Klauenelemente (51, 37) als Klauen mit geraden, in Axialrichtung verlaufenden Flächen oder als Nocken mit schrägen Flächen ausgebildet sind, die steiler in Bezug auf die Axialrichtung geneigt sind als die ersten bis vierten Nockenelemente (61, 57, 56, 52).
- Schrauber nach einem der Ansprüche 3 bis 17, dadurch gekennzeichnet, daß das erste bis vierte Federelement (45, 46, 47, 48) so aufeinander abgestimmt sind, daß die Sperreinrichtung (43) nach einer Abschaltung des Schraubers (10) und anschließenden Entlastung wieder entriegelt und in ihre Ausgangslage zurückgeschoben wird.
- Schrauber nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die ersten, zweiten, dritten und vierten Nockenelemente schräge Nockenflächen aufweisen, wobei die Steigung der Nockenflächen der ersten und zweiten Nockenelemente (61, 57) größer ist als die Steigung der dritten und vierten Nockenelemente (56, 52).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19845018A DE19845018C1 (de) | 1998-09-30 | 1998-09-30 | Kraftgetriebener Schrauber |
DE19845018 | 1998-09-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0990488A2 EP0990488A2 (de) | 2000-04-05 |
EP0990488A3 EP0990488A3 (de) | 2000-05-10 |
EP0990488B1 true EP0990488B1 (de) | 2002-01-23 |
Family
ID=7882913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99115724A Expired - Lifetime EP0990488B1 (de) | 1998-09-30 | 1999-08-10 | Kraftgetriebener Schrauber |
Country Status (6)
Country | Link |
---|---|
US (1) | US6176162B1 (de) |
EP (1) | EP0990488B1 (de) |
JP (1) | JP3451039B2 (de) |
AT (1) | ATE212275T1 (de) |
DE (2) | DE19845018C1 (de) |
ES (1) | ES2172275T3 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0107746D0 (en) | 2001-03-28 | 2001-05-16 | Nokia Networks Oy | Transmissions in a communication system |
DE10029721A1 (de) * | 2000-06-16 | 2001-12-20 | Hilti Ag | Schraubgerät |
DE10057139A1 (de) * | 2000-11-17 | 2002-05-23 | Hilti Ag | Elektrohandwerkzeug mit Sicherheitskupplung |
DE10124573A1 (de) * | 2001-05-14 | 2002-11-21 | C & E Fein Gmbh & Co Kg | Kraftgetriebener Schrauber mit Drehmomentbegrenzungskupplung |
DE10124572A1 (de) * | 2001-05-14 | 2002-11-21 | C & E Fein Gmbh & Co Kg | Kraftgetriebener Schrauber mit Drehmomentbegrenzungskupplung |
US6758116B2 (en) | 2001-06-28 | 2004-07-06 | Porter-Cable/Delta | Depth adjusting system for a screw gun |
US6665923B2 (en) | 2001-06-29 | 2003-12-23 | Porter-Cable/Delta | Clutch for a screw gun and utilizing method |
DE10308272B4 (de) * | 2002-03-05 | 2012-05-24 | Makita Corp. | Schraubendreher |
US7127955B2 (en) * | 2004-03-12 | 2006-10-31 | Bondhus Corporation | Torque limiting handle |
US7185562B2 (en) * | 2004-12-08 | 2007-03-06 | Osteomed L.P. | Disposable battery powered screw driver, locking mechanism, and accessories |
DE102006025703B4 (de) | 2005-06-01 | 2019-11-14 | Milwaukee Electric Tool Corp. | Kraftwerkzeug, Antriebsanordnung und Betriebsverfahren davon |
US7600452B2 (en) * | 2007-03-30 | 2009-10-13 | Honda Motor Co., Ltd. | Pneumatic tappet adjustment tool |
JP5523767B2 (ja) * | 2009-08-28 | 2014-06-18 | 株式会社マキタ | 動力工具 |
US9186808B2 (en) | 2009-08-28 | 2015-11-17 | Makita Corporation | Power tool with continuously-variable transmission traction drive |
EP2471632B1 (de) | 2009-08-28 | 2015-12-16 | Makita Corporation | Elektrowerkzeug |
DE102010024920A1 (de) | 2010-06-18 | 2011-12-22 | C. & E. Fein Gmbh | Schrauber |
JP5758762B2 (ja) * | 2011-09-28 | 2015-08-05 | 株式会社ミツトヨ | 定圧装置及びマイクロメータ |
US20170259414A1 (en) * | 2016-03-09 | 2017-09-14 | Océ Holding B.V. | Adjustment tool |
JP6837906B2 (ja) * | 2017-04-26 | 2021-03-03 | 株式会社マキタ | 電動ドライバ |
CN108177115B (zh) * | 2018-03-20 | 2024-02-06 | 武汉多可特医疗器械有限公司 | 一种自夹紧螺钉电动螺丝刀 |
DE102018112068A1 (de) * | 2018-05-18 | 2019-11-21 | Wera Werkzeuge Gmbh | Schraubwerkzeug zur Übertragung zwei fest eingestellter Drehmomente |
IT201900016283A1 (it) * | 2019-09-13 | 2021-03-13 | Piaggio & C Spa | Motore a combustione con dispositivo di variazione della fase delle valvole di un albero a camme |
DE202019106525U1 (de) | 2019-11-22 | 2021-02-26 | C. & E. Fein Gmbh | Handwerkzeugmaschine |
EP4117863A4 (de) * | 2020-03-13 | 2024-03-27 | Black & Decker, Inc. | Rohrklemme, rohrklemmentreiber und rückfahrschutzmechanismus |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2765059A (en) * | 1952-09-18 | 1956-10-02 | Chicago Pneumatic Tool Co | Torque control clutch device |
US3115230A (en) * | 1961-08-21 | 1963-12-24 | Aro Corp | Torque release clutch |
US4631992A (en) * | 1984-06-01 | 1986-12-30 | Dresser Industries, Inc. | Screwdriver |
DE3510605A1 (de) * | 1985-03-23 | 1986-10-02 | C. & E. Fein Gmbh & Co, 7000 Stuttgart | Kupplung fuer kraftgetriebene schraubwerkzeuge |
DE3610820A1 (de) * | 1986-04-01 | 1987-10-15 | Fein C & E | Motorgetriebene maschine mit drehmomenteinstellung, insbesondere elektrisches handwerkzeug |
DE3918227C1 (de) * | 1989-06-03 | 1990-11-15 | C. & E. Fein Gmbh & Co, 7000 Stuttgart, De | |
DE3918278A1 (de) * | 1989-06-05 | 1990-12-06 | Rau Gmbh G | Mittelelektrode fuer zuendkerzen und brennkraftmaschinen |
DE3933913A1 (de) * | 1989-10-11 | 1991-04-18 | Forst Saltus Werk | Drehmomentschluessel |
DE4123349C1 (de) * | 1991-07-15 | 1993-03-04 | Fein C & E | Schrauber mit variabler Drehmomenteinstellung |
JP3007328U (ja) | 1994-07-29 | 1995-02-14 | 株式会社ムロコーポレーション | 電動ビス締付機におけるクラッチ装置 |
US5655103A (en) * | 1995-02-13 | 1997-08-05 | International Business Machines Corporation | System and method for handling stale data in a multiprocessor system |
SE505895C2 (sv) * | 1995-11-16 | 1997-10-20 | Atlas Copco Tools Ab | Kraftskruvdragare |
US5881613A (en) * | 1997-04-04 | 1999-03-16 | Han; Ki Su | Screwdriver having disengaging mechanism |
-
1998
- 1998-09-30 DE DE19845018A patent/DE19845018C1/de not_active Expired - Fee Related
-
1999
- 1999-08-10 ES ES99115724T patent/ES2172275T3/es not_active Expired - Lifetime
- 1999-08-10 AT AT99115724T patent/ATE212275T1/de not_active IP Right Cessation
- 1999-08-10 DE DE59900765T patent/DE59900765D1/de not_active Expired - Lifetime
- 1999-08-10 EP EP99115724A patent/EP0990488B1/de not_active Expired - Lifetime
- 1999-09-02 US US09/388,720 patent/US6176162B1/en not_active Expired - Lifetime
- 1999-09-07 JP JP25268699A patent/JP3451039B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2000108046A (ja) | 2000-04-18 |
EP0990488A3 (de) | 2000-05-10 |
US6176162B1 (en) | 2001-01-23 |
DE59900765D1 (de) | 2002-03-14 |
DE19845018C1 (de) | 1999-12-16 |
EP0990488A2 (de) | 2000-04-05 |
JP3451039B2 (ja) | 2003-09-29 |
ATE212275T1 (de) | 2002-02-15 |
ES2172275T3 (es) | 2002-09-16 |
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