The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 01, 1988
Filed:
Apr. 30, 1986
Adolf H Martin, Glenview, IL (US);
Adams Elevator Equipment Company, Skokie, IL (US);
Abstract
A multiple position, multiple contact key switch, and method of constructing same, including an electrical contact module having a housing defined by first and second separable housing members which snap together in a direction perpendicular to the longitudinal rotational axis of the key switch. The first and second housing members each carry contact sets which alternate with one another along the longitudinal axis. Each housing member includes posts which extend towards the opposing housing member, to maintain the desired positions of the elements of the contact sets carried by the opposing housing member. An arbor is mounted for rotation within the housing, with the arbor having cams spaced along the rotational axis for actuating the contact sets. A halo module and a lock module form a subassembly which is coupled with the electrical contact module, with adjacent ends of the lock module and electrical contact module engaging to transmit rotary motion of the lock module to rotary motion of the arbor.