Patent ID: 7090374
Filing Date: 2006-08-15
Classification: F16F,F21L,F21V,H01H

Abstract:
1. A switch comprising (a) an electrically conductive helical spring comprising: (b) a plurality of electrical contacts arranged substantially within a first circle possessing a diameter substantially the same as said first diameter of said first coil, and; (c) said plurality of electrical contacts being disposed so as to be facing and sharing a common center axis with said first coil of said spring, such that compressing said spring will bring said plurality of coils and said final coil progressively into electrical contact with said plurality of electrical contacts, electrically connecting said plurality of electrical contacts to said spring, and progressively connecting said plurality of contacts to each other, whereby a single-pole, multiple-throw shorting-type electrical switch is created that progressively short-circuits said plurality of electrical contacts.