Patent Number: 6,794,593

Title: Electric hand power tool with switching key

Abstract: An electric hand power tool has an on/off switch, an elongated switching key having a front end and a rear end and actuating the switch, a blocking lever carried by and projecting from the switching key to prevent or to allow turning on of the latter, the switching key being supported turnably, the switching key having a convex curvature starting substantially centrally and extending toward the rear end, the switching key carrying the blocking lever near the rear end, the blocking lever having an upper edge located under a tangent between the convex curvature and the rear end of the switching key.

Inventors: Kraenzler; Ernst (Leinfelden-Echterdingen, DE), Stierle; Peter (Waldenbuch, DE), Krondorfer; Harald (Ludwigsburg, DE), Dammertz; Ralph (Stuttgart, DE), Beetz; Ralph (Penang, MY), Pauli; Mario (Gundelsheim, DE)

Assignee: Robert Bosch GmbH

International Classification: B24B 23/02 (20060101); B24B 23/00 (20060101); B25F 5/00 (20060101); B25F 5/02 (20060101); H01H 21/10 (20060101); H01H 3/02 (20060101); H01H 3/20 (20060101); H01H 21/00 (20060101); H01H 009/20 ()

Expiration Date: 09/21/2021