Patent ID: 7834280
Filing Date: 2010-11-16
Classification: H01H

Abstract:
1. A safety switch comprising: a housing; a first switch and a second switch located within the housing and fixed in position relative to the housing; a rod, axially moveable within the housing, the rod comprising a first rod part and a second rod part co-operable with the first rod part, and the first rod part and second rod part being slideable relative to one another in an axial direction, the first rod part being provided with an abutment surface for activating the first switch and the second rod part being provided with an abutment surface for activating the second switch; at least one biasing element, arranged to bias the rod parts into contact with a cam arrangement and arranged to bias the rod parts such that the abutment surfaces of the rod parts are biased away from the respective switches, the cam arrangement being configured such that rotation of the cam arrangement pushes the rod parts against the at least one biasing element to bring the abutment surfaces of the rod parts into contact with and activate the switches to allow the safety switch to conduct electricity.