Title: Low resistance selector switch

Abstract: A selector switch of the type having a thumbwheel selector journalled for rotation in a frame for selecting any one of a plurality of interconnections among external circuits to be connected to electrical contacts mounted in the frame, the selector including a first part of dielectric material and a second part with a metallic electrically conductive material carried by the first part and having a pattern configured in accordance with a predetermined code, portions of the metallic electrically conductive material and the first part lying in a common contact surface so as to be contacted by various ones of the electrical contacts in different positions of the selector to connect and disconnect the contacts in accordance with the pattern of conductive material, thereby selectively closing and opening the interconnections among the external circuits.

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Inventors: Mayer, Robert W. (Hackettstown, NJ, US)
Smorzaniuk, Adam (West Millington, NJ, US)

Application Number: 908366
Filing Date: 1978-05-22
Publication_date: 1980-08-19
Assignee: Amerace Corporation (New York, NY)
Primary Class(es): 200/11TW 200/11DA, 200/292
Other Classes:
US Patent Ref:

2735907	Feb, 1956	Inman	200/292.
2847523	Aug, 1958	Van Amelsfort	200/292.
3089923	May, 1963	Wright	200/11.
3261929	Jul, 1966	Nef, Jr.	200/292.
3366751	Jan, 1968	Capellari	200/11.
3558834	Jan, 1971	Zielke	200/11.
3621162	Nov, 1971	Wall	200/11.
3648002	Mar, 1972	DuRocher	200/265.

Other Refs:
Primary Examiner: Scott, James R.
Assistant Examiner:
Attorney: Craig; Richard A., Jacob; Arthur