Patent ID: 7770335
Filing Date: 2010-08-10
Classification: E04D

Abstract:
1. A rotational roof jack apparatus for providing a seal between a conduit and an opening in a roof comprising: a. an inner jack having a semi-cylindrical inner collar, a flat first flange extending radially and perpendicularly outward from an end of said inner collar, and an inner door, said inner door providing a first gap along at least a portion of said inner collar and said first flange, said inner door allowing at least a portion of said inner jack to be slid across said conduit, said inner collar having an inner wall configured to receive insertion of at least a portion of said conduit, wherein said inner wall of said inner collar is configured to abut an outer surface of the conduit; and b. an outer jack having a semi-cylindrical outer collar, a second flange extending radially and perpendicularly outward from an end of said outer collar, and an outer door, said outer collar having an interior wall, said outer door providing an outer gap along at least a portion of said outer collar and said second flange, said outer door allowing at least a portion of said outer jack to be slid across said conduit, said interior wall accepting rotational insertion of at least a portion of said inner collar so that at least a portion of said rotational roof jack rotates to generally align or misalign said inner door and said outer door.