Interrupter unit for a switch assembly

- S&C Electric Company
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Description

FIG. 1 is a perspective view of an interrupter unit for a switch assembly showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top-plan view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
3508178 April 1970 Chabala et al.
3647996 March 1972 Bernatt et al.
3787651 January 1974 Chabala et al.
3909570 September 1975 Harner et al.
4013852 March 22, 1977 Roberts et al.
4103129 July 25, 1978 Evans et al.
4107487 August 15, 1978 Evans
4126773 November 21, 1978 Bernatt et al.
Foreign Patent Documents
675244 December 1963 CAX
Other references
  • Descriptive Bulletin 761-30, dated Apr. 16, 1984, entitled "S&C Alduti-Rupter.RTM. Switches".
Patent History
Patent number: D314944
Type: Grant
Filed: Jun 29, 1987
Date of Patent: Feb 26, 1991
Assignee: S&C Electric Company (Chicago, IL)
Inventor: John Urbanek (Chicago, IL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Joel Sincavage
Attorney: James V. Lapacek
Application Number: 7/67,906