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:
Oct. 15, 1985
Filed:
Aug. 09, 1982
Applicant:
Inventor:
Robert J Lyons, Hamden, CT (US);
Assignee:
The Bilco Company, New Haven, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06C / ; E06C / ;
U.S. Cl.
CPC ...
182106 ; 182 93 ; 182-8 ;
Abstract
A safety extension is adapted to be mounted by various adjustable means to the upper rungs of a ladder or the inside of a manhole. The safety extension comprises a rod which is moveable in a sleeve between extended and retracted positions. A counterbalance means mounted in a particular manner is optionally provided to facilitate moving the rod to the extended position with maximum ease and safety. Adjustable mounting means are provided to accommodate ladders of differing rung spacing and rung diameter.