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EP 0266066 B1 19910116 - POWER TOOL

Title (en)

POWER TOOL

Publication

EP 0266066 B1 19910116 (EN)

Application

EP 87308677 A 19870930

Priority

GB 8623549 A 19861001

Abstract (en)

[origin: EP0266066A1] A power tool, such as a screwdriver, comprises an electric motor for driving a tool holder (15), a generator means (6) for generating a signal indicative of torque across the electric motor (2), and means for switching substantially full power to the electric motor (2) when the torque is equal to or greater than a preset torque datum (T d). A mechanical clutch 14 is provided for cutting-off the drive to the tool holder (15) in response to substantially full power being supplied to the electric motor (2).

IPC 1-7

B25B 23/14

IPC 8 full level

B25B 23/14 (2006.01); B25B 23/151 (2006.01); B25B 23/155 (2006.01)

CPC (source: EP)

B25B 23/1415 (2013.01)

Designated contracting state (EPC)

DE FR IT

DOCDB simple family (publication)

EP 0266066 A1 19880504; EP 0266066 B1 19910116; DE 3767437 D1 19910221; GB 2195569 A 19880413; GB 2195569 B 19900404; GB 8623549 D0 19861105

DOCDB simple family (application)

EP 87308677 A 19870930; DE 3767437 T 19870930; GB 8623549 A 19861001