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. 12, 1983
Filed:
Apr. 27, 1981
Applicant:
Inventors:
Brian D Kinsey, Indianapolis, IN (US);
Steven W Smock, Indianapolis, IN (US);
Assignee:
Emhart Industries, Inc., Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25D / ;
U.S. Cl.
CPC ...
62153 ; 62155 ; 62234 ;
Abstract
The time between constant speed defrost cycles is shortened by monitoring the opening and closing of a door of a cooling unit. The control system for doing so includes cam means rotating at a constant speed and electrical switches responsive thereto, a ratchet with missing teeth coupled to the cam means, a pawl engaging the door and the ratchet.