A POWER TOOL WITH GREASE CHAMBERS
    1.
    发明公开

    公开(公告)号:EP4434684A1

    公开(公告)日:2024-09-25

    申请号:EP23163288.6

    申请日:2023-03-21

    IPC分类号: B25F5/00 B23B45/00

    CPC分类号: B25F5/001 B23B45/008

    摘要: A power tool (100) comprises a housing (102) and a motor (104) mounted in the housing (102) having a drive shaft. A transmission (200) is mounted in the housing (102) having an input shaft operatively coupled to the drive shaft of the motor (104) and an output shaft (202) operatively coupled to a tool holder (204). The transmission (200) comprises at least a first gear (206) and a second gear (208) configured to transmit torque from the motor (104) to the tool holder (204). A first part of the transmission is mounted within a first grease chamber (900) and a second part of the transmission is mounted within a second grease chamber (902).

    LOAD-DEPENDENT DRIVE CONTROL OF A POWER TOOL

    公开(公告)号:EP4420834A1

    公开(公告)日:2024-08-28

    申请号:EP23158718.9

    申请日:2023-02-27

    IPC分类号: B25F5/00

    CPC分类号: B25F5/001

    摘要: The invention relates to a method and a corresponding drive arrangement for a load-dependent drive control of an electric power tool during at least one starting phase after switching on (I) an electric motor drive unit (5), comprising: starting (II) the speed-controlled electric motor drive unit (5) up to an initial start speed (vs) below a nominal speed (vN); monitoring (III) the motor reference current (IM) of the electric motor drive unit (5) for exceeding a load limit value (IL) representing the load of the electric power tool, and increasing (IV) the drive speed from the start speed (vs) to nominal speed (vN) if the actual motor reference current (IM) exceeds the load limit (IL).

    ELECTRIC POWER TOOL
    4.
    发明公开
    ELECTRIC POWER TOOL 审中-公开

    公开(公告)号:EP3459681A1

    公开(公告)日:2019-03-27

    申请号:EP18185837.4

    申请日:2018-07-26

    IPC分类号: B25F5/00 H02K7/14 B25B23/147

    摘要: A bearing retainer 14 retains a bearing 12 for supporting a motor shaft 4b. The bearing retainer 14 includes an extension 15 that extends in a direction of axial line from an end face position on the bearing 12. At least a part of the rotating body 20 is provided in front of a rear end of the extension 15. The extension 15 is formed such that a length of the extension 15 in the direction of axial line from an end face position at an outer diameter of the bearing is larger than a length in the direction of axial line from an end face position internal to the outer diameter of the bearing. The extension 15 is also formed such that a length of the extension in the direction of axial line from an end face position at an outer diameter of the bearing is larger than a length in the direction of axial line from an end face position external to the outer diameter of the bearing.

    Power tool with housing and gearbox

    公开(公告)号:EP1815948B1

    公开(公告)日:2018-11-28

    申请号:EP07101471.6

    申请日:2007-01-31

    IPC分类号: B25F5/02

    摘要: A power tool (10) including a motor (14), an output member (20) and a transmission (16) disposed between the motor and the output member. The transmission includes a ring gear (310,360) with opposite axial end faces. The power tool also includes a clutch (18) for limiting an output of the transmission. The clutch includes an annular clutch face disposed about the ring gear. At least a portion of a side of the ring gear is configured such that an included angle between the annular clutch face and the at least a portion of the side of the ring gear is about ninety five degrees to about one hundred fifty degrees.

    DISC-SHAPED TORQUE TRANSDUCER
    9.
    发明公开

    公开(公告)号:EP3378602A1

    公开(公告)日:2018-09-26

    申请号:EP18169167.6

    申请日:2009-12-04

    IPC分类号: B25F5/00

    摘要: A torque transducer 58 comprising: a hub 60 defining an aperture 62 therethrough, the aperture defining an axis, the hub 60 having a hub first end 66 and a hub second end 68 spaced along the axis, and defining a first thickness 70 in a radial direction, perpendicular to the axis; a web 74 coupled to the hub 60 at the hub first end 66, the web 74 defining an unbroken ring in a plane perpendicular to the axis and defining a second thickness 76 measured in the direction of the axis, wherein the second thickness 76 is less than one half of the first thickness 70; and a rim 80 having a rim first end 82 and a rim second end 84 spaced from the rim first end 82 along the axis, the rim 80 coupled to the web 74, the rim 80 defining a perimeter that includes at least one keyway 100 in an exterior of the perimeter.

    Tool having multi-speed compound planetary transmission

    公开(公告)号:EP2631038B1

    公开(公告)日:2018-09-19

    申请号:EP13157018.6

    申请日:2013-02-27

    发明人: Tomayko, David C.

    IPC分类号: B25B21/00 F16H3/66 B25F5/00

    摘要: A tool having a housing assembly, which defines a handle, a motor assembly, a trigger assembly, a spindle and a transmission assembly. The motor assembly is received in the housing assembly and has an output shaft. The trigger assembly is coupled to the housing assembly and is configured for use in actuating the motor assembly. The transmission assembly transmits rotary power between the output shaft of the motor assembly and the spindle. The transmission assembly includes a planetary stage with an input sun gear, an output planet carrier and a compound planet gear having a first planet gear and a second planet gear coupled together for common rotation on the output planet carrier. The planetary stage is selectively operable in a first gear reduction and a second, relatively lower gear reduction in which the compound planet gear cooperates to produce at least one intermediate gear reduction within the planetary stage.