Title: Electrical coupler and adapter

Abstract: An electrical coupler and adapter is provided which is simple to make and can be used for coupling electrical plugs of the tip and ring type and of different sizes either for two-conductor circuits or three-conductor circuits.

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Inventors: Bailey, James R. (Chicago, IL, US)
Lavigne, Vernon W. (Rolling Meadows, IL, US)

Application Number: 769851
Filing Date: 1977-02-18
Publication_date: 1978-04-04
Assignee: Switchcraft, Inc. (Chicago, IL)
Primary Class(es): 439/638 439/668
Other Classes:
US Patent Ref:

2967901	Jan, 1961	Priaroggia	339/205.
3321732	May, 1967	Forne, Jr.	339/205.
3437982	Apr, 1969	O'Keefe et al.	339/177.

Other Refs:
Primary Examiner: Abrams, Neil
Assistant Examiner:
Attorney: Johnston; Richard L.