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:
Nov. 19, 1979
Applicant:
Inventor:
William C Heisler, Monroe, NC (US);
Assignee:
The Peelle Company, Bay Shore, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04H / ;
U.S. Cl.
CPC ...
414608 ; 414661 ; 414539 ; 187 98 ;
Abstract
A drawbridge assembly on an elevator car which is responsive to movement of an automatic cart loader and unloader for its extension and retraction. The drawbridge compensates for expected positional variations in indexing of the elevator to a selected landing. An associated clutch permits manual deployment of the drawbridge during a power failure or other malfunction.