Patent ID: 8136311

Claim:
An apparatus for mounting equipment to a roof, comprising: a base plate including a bottom surface and an upper surface; the bottom surface including a portion forming a counterbore; the upper surface including a projection forming an upwardly projected portion with a non-threaded aperture extending through the counterbore, the projection including a threaded outer circumference and a top surface, and the upper surface further including an outer surface having a groove circumscribing the projection; a first compressible annular seal; a second compressible annular seal; the groove receives and seats the first compressible annular seal; the counterbore receives and seats the second compressible annular seal; the projection configured to receive a threaded fastener, a portion of which passes through the aperture and secures the base plate to the roof, the projection further sized and shaped to seat a head portion of the fastener against the top surface of the projection; a cover piece including a bottom portion forming an inner threaded cavity, the cover piece configured to receive and hold the projection, cover the fastener, and compress the first annular seal; and the apparatus configured to provide direct contact between a portion of the bottom surface of the base plate and a top surface of the roof.