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:
Oct. 01, 2013
Filed:
Apr. 16, 2010
Charles E. Burris, Concord, NC (US);
Robert L. Tadlock, Jr., Charlotte, NC (US);
John White, Huntsville, AL (US);
Jason Scott Gurley, Madison, AL (US);
Steven Michael Faes, Canisteo, NY (US);
Joseph Mcginty, Madison, AL (US);
Wade Patterson, Huntsville, AL (US);
Charles E. Burris, Concord, NC (US);
Robert L. Tadlock, Jr., Charlotte, NC (US);
John White, Huntsville, AL (US);
Jason Scott Gurley, Madison, AL (US);
Steven Michael Faes, Canisteo, NY (US);
Joseph McGinty, Madison, AL (US);
Wade Patterson, Huntsville, AL (US);
Yale Security Inc., Monroe, NC (US);
Abstract
A door closer with a self-powered control unit is disclosed. The control unit for the door closer includes a drive gear configured to rotate in response to movement of a door, and a chain arranged to cooperate with the drive gear to produce linear motion in response to rotation of the drive gear. At least one gear creates rotational motion from the linear motion of the chain to turn a generator and generate electricity to power the control unit. In some embodiments, a set of clutch gears is disposed between the chain and the gear creating the rotational motion from the chain so that only one direction of the rotational motion is transferred to the generator in response to movement of the door in any direction. The control unit can additionally include a power management circuit to store energy from the generator.