Vandal resistant push button assembly

Details Vandal resistant push button assembly Vandal resistant push button assembly

1985-07-10

1989-04-18

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

29622, 200341, H01H 1304

Patent

active

048229636

ABSTRACT:
A vandal resistant push button assembly, and a method of constructing same in which excess force applied to the button is transferred via a metallic halo into a metallic face plate. The exposed surfaces of the button and halo are spherical, having the same center and radii, providing a smoothly blending curved surface which continues to just below the plane of the exposed face plate surface. A shoulder in the face plate for supporting the halo and enabling the exposed halo surface to enter the plane of the face plate surface is formed by metal displacement, as opposed to metal removal, enabling the required mechanical strength to be achieved with a thinner face plate.

REFERENCES:
patent: 3102173 (1963-08-01), Damon
patent: 3663780 (1972-05-01), Golbeck
patent: 4417113 (1983-11-01), Saito et al.
patent: 4480163 (1984-10-01), Morris et al.
patent: 4504713 (1985-03-01), Hennessey

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