Patent ID: 6278367
Filing Date: 2001-08-21
Classification: G08B

Abstract:
A device for attachment to a smooth surface and including at least one sensor, the device comprising: a housing including a flexible end wall having an outer perimeter for engaging the smooth surface, a second end wall spaced from the flexible end wall, a side wall connecting the flexible end wall to the second end wall and surrounding any space between the flexible and second end walls, two openings in the side wall, an operating element including a crank received for rotation in the two openings, a lug fixed to the flexible end wall and projecting into the space between the flexible and second end walls, and an aperture in the lug engaging the crank so that rotation of the operating element causes displacement of a central portion of the flexible end wall for defining a suction between the flexible end wall and the smooth surface sufficient to support the device on the smooth surface.