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:
Jul. 02, 2002
Filed:
Sep. 02, 1999
Applicant:
Inventors:
Roger William Lhotak, Hanover Park, IL (US);
James Joseph Fitzgibbon, Streamwood, IL (US);
Robert John Olmsted, Wood Dale, IL (US);
Kenneth J. Dombrowski, Wheaton, IL (US);
Assignee:
The Chamberlain Group, Inc., Elmhurst, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/00 ;
U.S. Cl.
CPC ...
H02K 7/00 ;
Abstract
An operator for opening and closing movable barriers such as garage doors comprising a pass point limit system which is a component of an operating head. The operator is responsive to remote control from a wall panel or other location remote from the operating head to enable setting and adjustment of door travel limits from a remote location, without requiring installation of limit switches separate from the operating head.