Electric hand-drill attachment - enables holes to be drilled to required depth and at correct angle
NL8200652A
Electric motor with improved brush construction.
NL8105109A
Electro-motor for hand-held power tool - has brush mountings which allow modification to required job
EP0048124A2
Speed control switch device
NL8102814A
Sawing device.
NL8101761A
Drill bit adaptor for chuck - is sleeve-shaped fitting positively over shank and inside chuck
IT8047955D0
Lightweight chuck for hand held power tool
NL8000902A
Chuck for electric hand drill - has major components made from plastics to provide sufficient frictional grip when hand-tightened
IT7850639D0
Safety brake mechanism for chain saw - has movement of guard member deflecting latch finger which allows column spring to apply brake
AU3780078A
Chainsaw safety mechanism
DE2816652A1
Speed control circuit for AC series motor - provides compensation for electrical supply voltage variations by use of trigger diode and series thyristor
DE2657921A1
Starter for series-wound AC motor in machine tool - uses RC circuit to alter triggering voltage time of application to thyristor switch
DE2650423A1
AC series motor speed control system - uses feedback signal dependent on motor power factor
