(19)
(11) EP 0 048 124 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.12.1982 Bulletin 1982/49

(43) Date of publication A2:
24.03.1982 Bulletin 1982/12

(21) Application number: 81304094

(22) Date of filing: 08.09.1981
(84) Designated Contracting States:
CH DE FR GB IT LI NL

(30) Priority: 12.09.1980 US 186464

(71) Applicant: SKIL NEDERLAND B.V.
 ()

(72) Inventor:
  • Gawron, Alex F.
     ()

   


(54) Speed control switch device


(57) A speed control switch device includes a retractable trigger and a swingable reversing lever to control the power to, the speed of, and the direction of rotation of a motor in a hand-held electric tool, such as a drill. A single printed circuit board mounts the elements of the solid state speed control circuit and also mounts a first set of contacts, a second set of contacts, and a resistance strip which comprise integral parts of a reversing switch, an on/off switch, and a rheostat, respectively.







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