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:
Jan. 15, 1991
Filed:
Jan. 22, 1990
Applicant:
Inventors:
H E Peelle, Jr, Manhasset, NY (US);
I-Lin Chang, Setauket, NY (US);
Stefan Walkowiak, St. James, NY (US);
Assignee:
The Peelle Company, Bay Shore, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 58 ; 187 51 ; 187 / ; 187104 ; 49 25 ;
Abstract
The invention provides a scanning beam along the forward edge of an elevator car closure which leads the edge a predetermined distance to provide sufficient time when an object interrupts the beam to stop or reverse the closure and which retracts relative to the closure during final closing movement to dwell adjacent the line at which the closure forward edge closes.