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:
Nov. 24, 1981
Filed:
Aug. 17, 1979
Applicant:
Inventor:
Kermit H Wilson, Edina, MN (US);
Assignee:
Sico Incorporated, Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
E04G / ;
U.S. Cl.
CPC ...
52-6 ; 182113 ; 256 69 ;
Abstract
A protective barrier (14, 15) for removable installation at the edge of a stage surface member (12) supported on legs (13) and having a framing flange (13, 101), including a guard rail (20, 60), a member (24, 64, 103) for supporting the rail on the stage surface, apparatus including a plurality of hook members (25, 65, 104) for cooperating with the flange to prevent outward movement of the guard rail with respect to the surface member, and an arrangement including a locking member (40, 80), pivotable into an operative position in which it cooperates with the legs 11 to prevent outward tilting of the guard rail.