Electricity: conductors and insulators – Covers or face plates
Patent
1996-01-25
1997-12-23
Kincaid, Kristine L.
Electricity: conductors and insulators
Covers or face plates
220 394, 220241, H05K 503
Patent
active
057009783
ABSTRACT:
A wall plate for snap-fit engagement with an identical wall plate on one or both sides to provide an assembly of side-by-side plates for use with a ganged installation of electrical wiring devices. The plate is rectangular with a rearwardly extending flange, including a pair of side walls having inner and outer surfaces, extending about its periphery. A U-shaped tab, having a medial portion including a linear-edged shoulder parallel to and spaced from the adjacent side wall, extends outwardly from the outer surface of each side wall. A rectangular opening in each side wall is positioned laterally opposite the tab on the other side wall. As two plates positioned with the rear edges or surfaces of their flanges in a common plane are moved linearly toward engagement of the outer surfaces of opposing side walls, the tab extending from each opposing side wall is received in the opening in the other side wall. An angled surface terminating at the shoulder of each tab contacts one edge of the opening in the other plate as movement progresses. When the shoulders move past the edges of the opening, the tabs return to their unflexed positions, thus providing a snap fit coupling of the laterally adjacent plates.
REFERENCES:
patent: 801536 (1905-10-01), Marshall
patent: 1717871 (1929-06-01), Both
patent: 4428492 (1984-01-01), Jorgensen
patent: 4631354 (1986-12-01), Boteler
patent: 4733330 (1988-03-01), Tanaka et al.
patent: 4896784 (1990-01-01), Heath
patent: 4972045 (1990-11-01), Primeau
patent: 5547095 (1996-08-01), Sonntag et al.
Kincaid Kristine L.
Pass & Seymour, Inc.
Reichard Dean A.
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