US 6,555,775 B1 · Switch for electric tools

Abstract

A switch for electric hand-tools includes: a switch housing with a switching device arranged therein; and a carriage arranged movably in the housing and which is drivable by a trigger connected thereto. The carriage is provided with at least one slider for sliding over a potentiometer track and with at least one movable contact of a mechanical switch. The switch housing is provided with an electrical connecting system which, when a module is arranged on the switch housing, is adapted to form an electrical connection between the switch housing and the module. The switch housing with the switching device arranged therein can be adapted, by connecting a module thereto, to provide an additional switch function and to adapt to a specific method of connection of the wires to be connected to the switch.

Claims16

Dependent claims

A switch unit for electric hand-tools, comprising:

a switch housing with a mechanical switch arranged therein, wherein the switch housing includes:
(a) a first part made of plastic, wherein fixed contacts of the mechanical switch are arranged on the first part and wherein at least one of the fixed contacts and a conductor connected thereto are embodied integrally and arranged in the plastic of the first part, and (b) a second part;
a flat carrier arranged on the second part of the switch housing, wherein a potentiometer tract and at least one heat generating component are arranged on the flat carrier;
and
a carriage movably arranged in the housing and drivable by a trigger connected thereto, wherein the carriage is provided with a first slider for sliding over the potentiometer tract and is provided with at least one movable contact of the mechanical switch.

2 more elements

Dependencies are inferred from the claim text.

Switch for electric tools

Life of this patent

Switch for electric tools

Life of this patent

Abstract

Claims16