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:
Aug. 24, 2021
Filed:
Jun. 27, 2019
Applicant:
TD Ip Holdco, Llc, Waterford, MI (US);
Inventor:
Leon Yulkowski, Bloomfield Hills, MI (US);
Assignee:
TD IP HOLDCO, LLC, Waterford, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05F 15/603 (2015.01); E05F 15/70 (2015.01);
U.S. Cl.
CPC ...
E05F 15/603 (2015.01); E05F 15/70 (2015.01);
Abstract
A door operator, for opening and closing a door with a motor, comprises a worm drive, a clutch coupled to the worm drive, and an output shaft coupled to the clutch. The worm drive comprises a worm and a worm gear. The door operator allows for the use of a low voltage motor to be used to open and close the door.