EP2990163B1 - Outil electrique - Google Patents

Outil electrique Download PDF

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Publication number
EP2990163B1
EP2990163B1 EP15182125.3A EP15182125A EP2990163B1 EP 2990163 B1 EP2990163 B1 EP 2990163B1 EP 15182125 A EP15182125 A EP 15182125A EP 2990163 B1 EP2990163 B1 EP 2990163B1
Authority
EP
European Patent Office
Prior art keywords
casing
manipulation
electric power
power tool
manipulation part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15182125.3A
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German (de)
English (en)
Other versions
EP2990163A1 (fr
Inventor
Masamichi Nakamura
Kazuhiro Kawauchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Intellectual Property Management Co Ltd
Original Assignee
Panasonic Intellectual Property Management Co Ltd
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Publication of EP2990163A1 publication Critical patent/EP2990163A1/fr
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Classifications

    • 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
    • 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
    • B25F5/001—Gearings, speed selectors, clutches or the like specially adapted for rotary tools
    • 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
    • B25B21/007—Attachments for drilling apparatus for screw or nut setting or loosening
    • 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

Definitions

  • the present disclosure relates to an electric power tool and, more particularly, to a structure of a manipulation part of a portable electric power tool.
  • a portable electric power tool such as an electric power driver, an impact driver, an electric power drill or the like can rotate a tip tool attached to a chuck thereof. Furthermore, the electric power tool includes a manipulation part capable of manipulating rotation of the chuck.
  • Such an electric power tool is used in works such as screw driving, drilling and the like.
  • works such as screw driving, drilling and the like.
  • JP2010-155294A Japanese Unexamined Patent Application Publication No. 2010-155294
  • JP2010-155294A discloses an electric power tool in which a cylinder capable of rotating about an axis parallel to a rotation axis of a chuck is used as a manipulation part.
  • the cylinder is installed in a position where the cylinder can be manipulated by one hand while holding the electric power tool with the hand.
  • the cylinder is biased to self-return to a neutral position where the rotation of the chuck stops.
  • the chuck rotates in the same direction as the rotation direction of the cylinder manipulated from the neutral position.
  • US 2014/048301 A1 discloses an electric tool including a tubular housing, a motor disposed within the housing, and a tool holder rotatably driven by the motor and capable of holding an end tool.
  • a shoe may be supported by the housing and may determine a protruding length of the end tool from one end of the housing.
  • a battery mount portion may be disposed at the other end of the housing. The battery may be mounted to the battery mount portion as the battery is slid relative to the battery mount portion along a direction intersecting the extending direction of the housing.
  • WO 2012/134471 A1 discloses a power tool including a housing, an electric motor mounted in the housing, and a switching device for reversing rotation direction of the motor.
  • the switching device includes an actuator slidably secured to the housing and movable between first and second positions.
  • the actuator includes a magnet.
  • a first ferromagnetic member is attached to a first housing section so as to be within range of attraction force of the magnet when the actuator is in the first position and a second ferromagnetic member is attached to a second housing section so as to be within range of attraction force of the magnet when the actuator is in the second position.
  • a hall sensor is attached to the housing so as to be proximate the magnet as the actuator is moved between first and second positions. Proximity of the magnet and hall sensor reverses the direction of rotation of the motor.
  • US 2004/149553 discloses a trigger assembly and a power tool.
  • the trigger assembly includes a housing and a trigger.
  • an electric power tool including: a casing having an elongated tubular shape; a motor accommodated in the casing; a chuck installed at a front end of the casing to removably hold a tip tool and configured to be rotationally driven by the motor; a grip body installed at a rear end of the casing; a manipulation part provided to be exposed through an outer circumferential surface of the casing near the rear end of the casing and configured to be manipulated by a user from the outside; and a control unit configured to control and drive the motor based on a manipulation of the manipulation part.
  • the manipulation part is configured to be pushed toward the front end of the casing or pulled toward the rear end of the casing by the user to change a position of the manipulation part from a neutral position thereof, and the control unit controls the motor such that a rotation direction of the motor when the manipulation part is pushed toward the front end of the casing becomes opposite to a rotation direction of the motor when the manipulation part is pulled toward the rear end of the casing.
  • the manipulation part is manipulated forward or backward in a direction along a rotation axis of the chuck.
  • the pressing direction of the gripped electric power tool is coincident with the moving direction of the manipulation part. This makes it easy to manipulate the manipulation part while pressing the tip tool against the work target. Accordingly, it is possible to improve the ease of use of the electric power tool.
  • the grip body 3 is pivotable with respect to the casing 2 about a connection portion at which the grip body 3 is connected to the casing 2.
  • the grip body 3 may be kept in a posture in which the longitudinal direction of the grip body 3 is inclined with respect to the longitudinal direction of the casing 2 as indicated by solid lines or may be kept in a posture in which the longitudinal direction of the grip body 3 is aligned with the longitudinal direction of the casing 2 on a straight line as indicated by double-dot chain lines.
  • the longitudinal direction of the casing 2 will be referred to as a front-back direction (or an X-axis direction).
  • the side of the rear end 2b of the casing 2 to which the grip body 3 is connected will be referred to as a rear side of the casing 2.
  • the side of a front end 2a of the casing 2 will be referred to as a front side of the casing 2.
  • the direction orthogonal to the front-back direction within the plane including the center axes of the casing 2 and the grip body 3 will be referred to as an up-down direction (or a Z-axis direction).
  • the side toward which the grip body 3 is inclined will be referred to as a lower side.
  • the direction orthogonal to the front-back direction and the up-down direction will be referred to as a left-right direction (or a Y-axis direction).
  • a manipulation switch 4 and a motor 5 are sequentially accommodated from the rear side toward the front side.
  • a chuck 6 connected to a rotation shaft 5a of the motor 5 is exposed to the outside at the front end 2a of the casing 2.
  • a tip tool 30 such as a drill bit or a driver bit is attachable to the front side of the chuck 6.
  • the center axis of the casing 2, the axis of the rotation shaft 5a of the motor 5, the rotation center axis of the chuck 6 and the center axis of the tip tool 30 are coincident with an axis AX1.
  • the motor 5 is electrically connected to the battery 7 via the manipulation switch 4 and is rotationally driven by the drive current supplied by the operation of the manipulation switch 4.
  • the manipulation switch 4 includes a cylinder 14 having a substantially cylindrical shape rotatable about an axis AX2 extending in the up-down direction orthogonal to the axis AX1.
  • the manipulation switch 4 is capable of adjusting the drive current based on the rotation angle of the cylinder 14.
  • a manipulation window 9 is opened in a position near the rear end 2b of the casing 2.
  • a portion of an outer circumferential surface 15 of the cylinder 14, which serves as a manipulation part 20, is exposed to the outside of the casing 2 through the manipulation window 9.
  • the manipulation part 20 is provided with a projection 21 which enables a finger to be easily put thereon for manipulation of the manipulation switch 4.
  • the manipulation part 20 can be manipulated forward or backward in a direction along the axis AX1 by a user from the outside by pushing or pulling the projection 21 in the front-back direction.
  • the expression "along the axis AX1" used herein does not necessarily mean "parallel to the axis AX1".
  • a manipulation window 9' is opened on the outer circumferential surface 2c of the casing 2 in a position which is axial symmetry with the opening position of the manipulation window 9.
  • a portion of the outer circumferential surface 15 of the cylinder 14, which serves as a manipulation part 20', is exposed to the outside of the casing 2 through the manipulation window 9'.
  • An off-lock switch 8 for locking the manipulation switch 4 against manipulation is provided in the upper portion of the outer circumferential surface 2c of the casing 2.
  • Fig. 2 is a front perspective view of a cross section of the electric power tool 1 including the manipulation switch 4.
  • the manipulation switch 4 includes a switch body 11, a shaft 12, a biasing spring 13 and the cylinder 14.
  • the shaft 12 is pivotally supported by the case of the switch body 11 so that the shaft 12 can rotate about the axis AX2.
  • the biasing spring 13 biases the shaft 12 so that the shaft 12 self-returns to a neutral position.
  • neutral position of the shaft 12 refers to a rotational position for instructing the stop of rotation of the motor 5.
  • the cylinder 14 is attached to a tip 12a of the shaft 12 so that the center axis thereof becomes coaxial with the shaft 12.
  • Fig. 3 is a perspective view of the cylinder 14.
  • the cylinder 14 includes the upper and lower ends 14b and 14c opposite to each other in the up-down direction and a middle portion 14a formed thicker in the up-down direction than the upper and lower end 14b and 14c, so that an outer circumferential surface 15 of the cylinder 14 is formed in a barrel shape.
  • the projection 21 and a projection 21' are respectively formed in left and right positions which are axially symmetric with each other.
  • the projection 21 has an elongated shape with the longitudinal direction thereof extending in the up-down direction when the projection 21 formed on the outer circumferential surface 15 is seen in a plan view.
  • the projection 21' has an elongated shape with the longitudinal direction thereof extending in the up-down direction when the projection 21' formed on the outer circumferential surface 15 is seen in a plan view.
  • the region hatched with oblique lines of the outer circumferential surface 15 in Fig. 3 indicates the manipulation part 20 including the projection 21, and the manipulation part 20 is exposed to the outside through the manipulation window 9 when the cylinder 14 is attached to the shaft 12. Furthermore, the region of the outer circumferential surface 15 including the projection 21' indicates the manipulation part 20' which is exposed to the outside through the manipulation window 9'.
  • a cutout 16 is formed in the upper end 14b of the cylinder 14.
  • Two spokes 17 extending from the positions corresponding to the projections 21 and 21' toward the axis AX2 are additionally formed in the upper end 14b.
  • the two spokes 17 are connected to a hub 18.
  • a rectangular opening 19 is provided in the center of the hub 18.
  • the tip 12a of the shaft 12 is fitted and secured to the opening 19.
  • the cylinder 14 is rotatable about the axis AX2 together with the shaft 12 in a state in which a biasing force is applied to the cylinder 14 so that the cylinder 14 self-returns to the neutral position.
  • the neutral position of the cylinder 14 is a rotational position where the projections 21 and 21' are arranged along an imaginary line extending in the left-right direction.
  • Fig. 4 is a cross-sectional view of the surrounding of the manipulation switch 4, taken along a plane which includes the axis AX1 and which is parallel to the X-Y plane.
  • the left side on the sheet surface is the side of the chuck 6, and the right side on the sheet surface is the side of the grip body 3.
  • the cylinder 14 is arranged orthogonal to the axis AX1 and is rotatable about the axis AX2 perpendicular to the sheet surface.
  • the manipulation parts 20 and 20' are exposed to the outside of the casing 2 through the manipulation windows 9 and 9', respectively.
  • the manipulation parts 20 and 20' can be manipulated forward or backward in a direction along the axis AX1.
  • the cylinder 14 is arranged so that, when the shaft 12 is in the neutral position, the projection 21 is positioned substantially at the center of the manipulation window 9 in the front-back direction and the projection 21' is positioned substantially at the center of the manipulation window 9' in the front-back direction as indicated by a solid line in Fig. 4 .
  • the state in which the projection 21 is positioned substantially at the center of the manipulation window 9 in the front-back direction will be referred to as a state in which the manipulation part 20 is in the neutral position.
  • the state in which the projection 21' is positioned substantially at the center of the manipulation window 9' in the front-back direction will be referred to as a state in which the manipulation part 20' is in the neutral position.
  • the operation ranges of the manipulation parts 20 and 20' are restricted by the contact between the edge 9a of the manipulation window 9 and the projection 21 and the contact between the edge 9a' of the manipulation window 9' and the projection 21'.
  • the manipulation part 20 can be manipulated forward to move the projection 21 up to the position indicated by a broken line 21a and can be manipulated backward to move the projection 21 up to the position indicated by a double-dot chain line 21b.
  • the manipulation part 20' can be manipulated to move the projection 21' forward up to the position indicated by a double-dot chain line 21b' and can be manipulated to move the projection 21' backward to the position indicated by a broken line 21a'.
  • the rotation angle ⁇ of the cylinder 14 is about 30 degrees in both the left and right rotations from the neutral position.
  • Fig. 5 shows a schematic configuration of the switch body 11 and the connection of the battery 7, the switch body 11 and the motor 5.
  • the switch body 11 is installed on a route which interconnects the battery 7 and the motor 5.
  • the switch body 11 includes a detection unit 11a, a control unit 11b and a switching drive circuit 11c.
  • the detection unit 11a may be, e.g., a rotary potentiometer.
  • the detection unit 11a detects the rotation direction and rotation angle of the shaft 12 from the neutral position and outputs the detection results to the control unit 11b.
  • the control unit 11b generates a pulse width modulation signal (PWM signal) corresponding to the rotation direction and rotation angle of the shaft 12 and outputs the PWM signal to the switching drive circuit 11c.
  • PWM signal pulse width modulation signal
  • the switching drive circuit 11c includes an H-bridge circuit which makes use of switching elements (e.g., FETs). Under the PWM control executed by the control unit 11b, the switching drive circuit 11c generates a drive current to be supplied to the motor 5 from a current supplied from the battery 7. Thus, in response to the manipulation of the manipulation part 20, the control unit 11b controls the current supplied from the switching drive circuit 11c to the motor 5. Accordingly, the control unit 11b can perform the start/stop of the motor 5 and the adjustment of the rotation speed of the motor 5 during the operation thereof.
  • switching elements e.g., FETs
  • Fig. 6 shows the relationship between the rotation angle of the shaft 12 and the rotation speed of the motor 5.
  • the horizontal axis indicates the rotation angle of the shaft 12 and the vertical axis indicates the rotation speed of the motor 5.
  • the control unit 11b When the manipulation part 20 is not manipulated and the cylinder 14 is kept in the neutral position, the shaft 12 is also maintained in the neutral position. In this state, the control unit 11b outputs, to the switching drive circuit 11c, a PWM signal to stop the supply of a drive current. During the input of this PWM signal, all the switching elements of the switching drive circuit 11c are opened at all times. As a result, no drive current is supplied. Thus, the rotation of the motor 5 and the rotation of the chuck 6 are stopped.
  • the control unit 11b when the cylinder 14 is rotated to range “b" beyond range “a” as illustrated in Fig. 6 , the control unit 11b outputs a PWM signal to the switching drive circuit 11c so that the switching drive circuit 11c generates a drive current for rotating the motor 5 rightward at a constant speed.
  • the control unit 11b When the cylinder 14 is further rotated and the rotation angle falls within range "c", the control unit 11b outputs a PWM signal to increase the drive current in proportion to the rotation angle of the cylinder 14.
  • the control unit 11b when the rotation angle of the cylinder 14 falls within range "d", the control unit 11b outputs a PWM signal so that the drive current becomes constant.
  • the drive current for rotating the motor 5 leftward is generated.
  • the rotation speed of the motor 5 corresponding to the rotation angle of the shaft 12 is controlled similar to the case where the rightward rotation of the shaft 12 is detected.
  • Fig. 7 is a cross-sectional view of the surrounding of the manipulation switch 4, taken along a plane which includes the axis AX1 and the axis AX2 and which is parallel to the X-Z plane.
  • the center of the cutout 16 formed in the cylinder 14 is positioned on the sheet surface in Fig. 7 .
  • the protrusion 22 is exposed from the surface of the casing 2 so that the protrusion 22 can be manipulated.
  • the off-lock lug 23 protrudes inward of the casing 2 through an insertion hole 2e formed in the bottom surface of the groove 2d.
  • the off-lock switch 8 is slid to the position indicated by a double-dot chain line.
  • the off-lock lug 23 is moved to engage with the cutout 16 of the cylinder 14 as indicated by arrow A'. This makes it possible to restrain the rotation of the cylinder 14.
  • Fig. 8A shows how to use the electric power tool 1 kept in a posture in which the grip body 3 is inclined with respect to the casing 2.
  • this posture it is possible to apply a force to press the electric power tool 1 against a screw with the grip body 3 gripped by one hand.
  • By holding the grip body 3 with the right hand it is possible to put the thumb of the right hand on the projection 21 of the manipulation part 20.
  • the projection 21 is manipulated with the thumb to be pressed toward the chuck 6 as indicated by arrow A
  • the chuck 6 is rotated rightward as indicated by arrow B. This makes it possible to tighten a right-hand screw with the tip tool 30.
  • the electric power tool 1 is used in a posture in which the grip body 3 is stretched to be aligned with the casing 2 on a straight line.
  • Fig. 8B shows how to use the electric power tool 1 kept in the posture in which the grip body 3 is stretched to be aligned with the casing 3 on a straight line.
  • the casing 2 In a work of tightening a screw downward from a higher work position, the casing 2 is held underhand as illustrated in Fig. 8C . This makes it possible to apply a force to press the electric power tool 1 against the screw.
  • the casing 2 When the casing 2 is held underhand with the right hand, it is possible to put the thumb of the right hand on the projection 21 of the manipulation part 20. Under this state, if the projection 21 is manipulated with the thumb to be pulled toward the chuck 6 as indicated by arrow A, the chuck 6 is rotated rightward as indicated by arrow B. This makes it possible to tighten a right-hand screw with the tip tool 30.
  • the direction in which the manipulation part 20 can be manipulated forward or backward extends along the axis AX1 of the chuck 6.
  • the manipulation part 20 is configured to be pushed toward the front end 2a of the casing 2 or pulled toward the rear end 2b of the casing 2 by the user to change the position of the manipulation part 20 from the neutral position thereof.
  • the control unit 11b controls the motor 5 such that a rotation direction of the motor 5 when the manipulation part 20 is pushed toward the front end 2a of the casing 2 becomes opposite to a rotation direction of the motor 5 when the manipulation part 20 is pulled toward the rear end 2b of the casing.
  • the electric power tool 1 is capable of obtaining high workability when the manipulation part 20 is manipulated with the hand holding the grip body 3.
  • the chuck 6 is rotated rightward by manipulating the manipulation part 20 to move toward the chuck 6. For that reason, the manipulation direction of the manipulation part 20 can be brought into coincidence with the direction in which the right-hand screw moves during rotation thereof. Accordingly, even though a user is unfamiliar to DIY, it is possible to tighten or loosen the right-hand screw by intuitive manipulation.
  • the manipulation parts 20 and 20' are provided on the outer circumferential surface 15 of the cylinder 14 having a substantially cylindrical shape.
  • the cylinder 14 is pivotally supported so as to rotate about the axis AX2 orthogonal to the axis AX1.
  • the manipulation window 9 is opened in the casing 2 at the position where the manipulation part 20 is provided.
  • the rotational movement of the cylinder 14 can be approximate to linear movement.
  • the user can rotate the cylinder 14 by linear manipulation carried out by moving the thumb of the hand holding the grip body 3 forward or backward. Since this linear manipulation is performed along the axis AX1, the manipulation part 20 is easy to use even in a work in which the tip tool 30 needs to be pressed against a work target.
  • the control unit 11b performs a control to change the rotation speed of the motor 5 depending on the rotation angle of the cylinder 14 rotated by the manipulation of the manipulation part 20. For that reason, the chuck 6 rotationally driven by the motor 5 is also rotated at the rotation speed corresponding to the rotation angle of the cylinder 14. Since the manipulation of the manipulation part 20 and the rotation speed of the chuck 6 correspond to each other, it is easy to perform the manipulation of rotating the chuck 6 at a low speed when the electric power tool 1 is guided into a screw hole, and subsequently increasing the rotation speed of the chuck 6.
  • the manipulation part 20 includes the projection 21 protruding from a portion of the outer circumferential surface 15 of the cylinder 14. By putting a finger on the projection 21 and pushing or pulling the projection 21, it is possible to easily manipulate the manipulation part 20.
  • the manipulation parts 20 and 20' are respectively provided at two points, which are axially symmetric with each other, on the outer circumferential surface 15 of the cylinder 14.
  • the forward or backward manipulation direction of the manipulation part 20' is opposite to that of the manipulation part 20, whereby the chuck 6 is rotated in the opposite direction.
  • the electric power tool 1 with the left hand and manipulating the manipulation part 20' with the thumb of the left hand, it is possible to bring the manipulation direction of the manipulation part 20' into coincidence with the movement direction of a left-hand screw. Accordingly, it is possible to tighten or loosen the left-hand screw by virtue of intuitive manipulation.
  • the electric power tool 1 includes the off-lock switch 8 capable of locking the rotation of the cylinder 14 when the manipulation part 20 is in the neutral position. It is therefore possible to prevent inadvertent rotation of the chuck 6 which may be caused by erroneous manipulation.
  • the axis of the rotation shaft 5a of the motor 5 and the rotation center axis of the chuck 6 may be provided on different axes.
  • the forward or backward manipulation direction of the manipulation part 20 may be set to extend along the rotation center axis of the chuck 6.
  • the electric power tool according to the present disclosure is useful as a portable electric power tool, such as an electric power driver, an impact driver or an electric power drill, which rotates a tip tool attached to a chuck.

Claims (8)

  1. Un outil électrique (1), comprenant:
    un boîtier (2) présentant une forme allongée tubulaire ;
    un moteur (5) logé dans le boîtier (2) ;
    un mandrin (6) qui est installé à l'extrémité frontale du boîtier (2) pour maintenir de manière amovible un outil d'extrémité (30) et qui est configuré pour être entraîné de manière rotative par le moteur (5) ;
    un corps de préhension (3) installé à une extrémité arrière du boîtier (2) ;
    une pièce de manipulation (20) fournie pour être exposée à travers une surface circonférentielle extérieure (15) du boîtier (2) à proximité de l'extrémité arrière du boîtier (2) et configurée pour être manipulée par un utilisateur ; et
    une unité de commande (11 b) configurée pour commander et entraîner le moteur (5) en se basant sur une manipulation de la pièce de manipulation (20),
    caractérisé en ce que
    la pièce de manipulation (20) est configurée pour être poussée vers l'extrémité frontale du boîtier (2) ou tirée vers l'extrémité arrière du boîtier (2) par l'utilisateur afin de changer une position de la pièce de manipulation (20) à partir d'une position neutre de celle-ci, et
    sachant que l'unité de commande (11 b) commande le moteur (5) de manière qu'une direction de rotation du moteur (5), quand la pièce de manipulation (20) est poussée vers l'extrémité frontale du boîtier (2) à partir de la position neutre, devient opposée à une direction de rotation du moteur (5) quand la pièce de manipulation (20) est tirée vers l'extrémité arrière du boîtier (2) à partir de la position neutre.
  2. L'outil électrique (1) d'après la revendication 1, comprenant en outre :
    un cylindre (14) présentant une forme essentiellement cylindrique, soutenu de manière pivotante dans le boîtier (2) de manière à tourner autour d'un axe orthogonal par rapport à un axe de rotation du mandrin (6),
    sachant que la pièce de manipulation (20) est fournie sur une surface extérieure de circonférence (15) du cylindre (14), et
    sachant que le boîtier (2) présente une fenêtre de manipulation (9) dans la surface extérieure de circonférence (15) du boîtier (2), à travers laquelle la pièce de manipulation (20) est exposée.
  3. L'outil électrique (1) d'après la revendication 2, sachant que l'unité de commande (11 b) commande le moteur (5) de manière qu'une vitesse de rotation du moteur (5) soit changée en fonction d'un angle de rotation du cylindre (14) qui est tourné par la manipulation de la pièce de manipulation (20).
  4. L'outil électrique (1) d'après la revendication 2 ou 3, sachant que la pièce de manipulation (20) inclut une saillie (21) qui saille à partir d'une portion de la surface extérieure de circonférence (15) du cylindre (14).
  5. L'outil électrique (1) d'après la revendication 4, sachant que le corps de préhension (3) est maintenu dans une posture dans laquelle une direction longitudinale du corps de préhension (3) est inclinée par rapport à la direction longitudinale du boîtier (2), et
    sachant que la saillie (21) présente une forme allongée, une direction longitudinale de la saillie étant parallèle à la direction longitudinale du corps de préhension (3).
  6. L'outil électrique (1) d'après la revendication 4 ou 5, sachant que la saillie (21) est fournie afin de ne pas dépasser au-delà de la surface extérieure de circonférence (15) du boîtier (2).
  7. L'outil électrique (1) d'après une quelconque des revendication de 2 à 6, comprenant en outre : une pièce de manipulation (20') ultérieure, les deux pièces de manipulation (20, 20') étant fournies sur la surface extérieure de circonférence (15) du cylindre (14) respectivement dans deux points qui sont symétriques par rapport à l'axe du cylindre (14).
  8. L'outil électrique (1) d'après une quelconque des revendication de 2 à 7, comprenant en outre :
    un commutateur d'arrêt (off-lock switch) (8) présentant un ergot d'arrêt (off-lock lug) (23),
    sachant que le cylindre (14) présente un découpage et que l'ergot d'arrêt (23) est configuré pour être engagé avec le découpage quand la pièce de manipulation (20) se trouve dans la position neutre, de manière qu'une rotation du cylindre (14) soit empêchée.
EP15182125.3A 2014-08-26 2015-08-24 Outil electrique Active EP2990163B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014171461A JP6481881B2 (ja) 2014-08-26 2014-08-26 電動工具

Publications (2)

Publication Number Publication Date
EP2990163A1 EP2990163A1 (fr) 2016-03-02
EP2990163B1 true EP2990163B1 (fr) 2017-06-21

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EP15182125.3A Active EP2990163B1 (fr) 2014-08-26 2015-08-24 Outil electrique

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EP (1) EP2990163B1 (fr)
JP (1) JP6481881B2 (fr)
CN (1) CN105382769A (fr)

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CN108015725B (zh) * 2017-12-29 2024-03-12 格力博(江苏)股份有限公司 手柄组件以及具有该手柄组件的园林工具
TWI799079B (zh) * 2022-01-13 2023-04-11 冠億齒輪股份有限公司 可調整角度的動力工具

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JP2016043468A (ja) 2016-04-04
EP2990163A1 (fr) 2016-03-02
JP6481881B2 (ja) 2019-03-13

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