with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches

Full Title

Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch > having a plurality of operating members associated with different sets of contacts, e.g. keyboard > with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC ELEMENTS

Subclass:

ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES

Child Classifications

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• H01H 13/703 characterised by spacers between contact carrying layers
• H01H 13/704 characterised by the layers, e.g. by their material or structure
• H01H 13/705 characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
• H01H 13/708 in which all fixed and movable contacts are carried by insulating members
• H01H 13/715 in which each contact set includes a contact which is not secured to or part of a supporting layer, e.g. a snap dome
• H01H 13/718 in which some or all of the movable contacts are formed in a single conductive plate, e.g. formed by punching sheet metal