Patent ID: 6334706
Filing Date: 2002-01-01
Classification: G04B,G04C

Abstract:
A multi-function contact clamp associated with at least one push-button having a head and including a plate and a metal grid, a stem passing through the middle part of a case closed by at least a back cover, wherein said contact clamp is formed of a single part including a plane metal base substantially parallel to the back cover and provided with means for immobilising it in the case on one side of the stem and at least one elastic strip substantially perpendicular to the base, extending beyond the stem following a portion of the inner periphery of the middle part, said strip having opposite the stem a first prestressed portion having a notch co-operating with a groove arranged close to the end of the stem to form a key and return spring in the idle position, and a second portion having greater flexibility than the first portion, and whose end closes a contact of a printed circuit with less force than that which is necessary to activate the push-button.