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. 22, 2013
Filed:
Oct. 25, 2005
Applicants:
John J. Kriss, East Hampton, CT (US);
Loren D. Fanion, Forestville, CT (US);
Fred R. Spielman, Somers, CT (US);
Daniel R. Greer, Bristol, CT (US);
Inventors:
John J. Kriss, East Hampton, CT (US);
Loren D. Fanion, Forestville, CT (US);
Fred R. Spielman, Somers, CT (US);
Daniel R. Greer, Bristol, CT (US);
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B66B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An elevator safety system () includes a limit switch () coupled to a first elevator car () and an actuator plate () coupled to a governor rope () of a second elevator car (). The actuator plate trips () the limit switch () when a distance between the first elevator car () and the second elevator car () goes below a safety threshold distance to stop the first and second elevator cars ().