The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 1987
Filed:
Dec. 03, 1986
William J Green, Lake Forest, IL (US);
Ralph P Semmerling, Arlington Heights, IL (US);
USG Industries, Inc., Chicago, IL (US);
Abstract
An adjustable, U-shaped support stand is disposed transversely between an expanded metal walkway and a roof so that the walkway may be made level although the roof slopes or may be inclined with respect to the roof. The support stand has a U-shaped base comprising a foot, a short leg and a long leg, each leg having spaced apart columns of holes. Connected to each leg are extensions having an oval slot and a hole spaced apart in accordance with the columns of holes on the legs. Alignment of the slots and holes in the extensions with the appropriate holes in the legs allows the extended legs to be of different heights with respect to each other and also allows one end of an extended leg to be higher than the opposite end. The expanded metal walkway may thus be levelled even though the roof slopes in both the lateral and longitudinal direction under the walkway.