(19)
(11) EP 2 631 035 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.10.2017 Bulletin 2017/42

(43) Date of publication A2:
28.08.2013 Bulletin 2013/35

(21) Application number: 13156614.3

(22) Date of filing: 25.02.2013
(51) International Patent Classification (IPC): 
B25B 21/00(2006.01)
B25F 5/00(2006.01)
 B25F 5/02(2006.01)
B25B 23/14(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(30) Priority: 24.02.2012 US 201213404620

(71) Applicant: Black & Decker Inc.
Newark, Delaware 19711 (US)

(72) Inventors:
  • Eshleman, Scott J.
    Parkville, MD Maryland 21234 (US)
  • Schell, Craig Alan
    Street, MD Maryland 21154 (US)
  • Seman, Andrew E.
    Pylesville, MD Maryland 21132 (US)
  • Puzio, Daniel
    Baltimore, MD Maryland 21234 (US)
  • Brotto, Daniele C.
    Baltimore, MD Maryland 21234 (US)
  • Kelleher, Joseph P.
    Parkville, MD Maryland 21234 (US)
  • Concari, Gabriel E
    Eldersburg, MD Maryland 21784 (US)
  • Murray, Christopher
    Philadelphia, Pennsylvania 191213 (US)
  • Schoch, Robert B.
    Baltimore, MD Maryland 21230 (US)

(74) Representative: SBD IPAdmin 
210 Bath Road
Slough, Berkshire SL1 3YD
Slough, Berkshire SL1 3YD (GB)

   


(54) Power tool


(57) A power tool comprises: a housing; an output member at least partially contained in the housing and configured to rotate about a longitudinal axis; a motor contained in the housing and drivably connected to the output member to impart rotary motion thereto; and a rotational motion sensor arranged in the housing and operable to detect rotational motion of the housing, from a first reference orientation of the housing, about the longitudinal axis of the output member. A controller is also located in the housing, the controller configured to receive a signal indicative of the rotational motion from the rotational motion sensor and, in response to the signal, to drive the motor to rotate the output member. The power tool also includes a reset switch configured to reset the rotational motion sensor to a second reference orientation of the housing, which is different to the first reference orientation, upon actuation of the reset switch, the second reference orientation then being the reference orientation from which the rotational motion sensor is operable to detect the rotational motion of the housing.







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