Jackie A Sullivan

US Patent:

43852149, May 24, 1983

Filed:

Aug 14, 1981

Appl. No.:

6/293039

Inventors:

Jackie C. Sullivan - Asheville NC

Assignee:

Square D Company - Palatine IL

International Classification:

H01H 926

US Classification:

200 5E

Abstract:

The disclosure depicts a novel pushbutton switch mechanism having a pair of pushbutton switches with electrical contacts and an interlock mechanism between the switches. The interlock mechanism comprises; a shoulder on each of the pushbutton switches, an interlock plunger for contacting the shoulders of the pushbutton switches, and a return spring in contact with the interlock plunger for retaining the plunger in a predetermined position. A plunger support and a plunger guide in the pushbutton switch mechanism for defining an area in which the interlock plunger is contained. When one of the pushbutton switches is depressed, the interlock plunger contacts the shoulder of the other pushbutton switch thereby preventing the other pushbutton switch from being depressed simultaneously.

US Patent:

D2723395, Jan 24, 1984

Filed:

Aug 17, 1981

Appl. No.:

6/293823

Inventors:

William D. Penland - Weaverville NC
Jackie C. Sullivan - Asheville NC

Assignee:

Square D Company - Palatine IL

International Classification:

D1303

US Classification:

D13 38