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:
Dec. 17, 2019
Filed:
Feb. 26, 2019
Richard Floyd Schaefer, Fort Lupton, CO (US);
Richard Floyd Schaefer, Fort Lupton, CO (US);
Other;
Abstract
Provided herein is a doorstop that may be utilized to prevent opening of a door. Generally, the doorstop is configured for attachment near a bottom edge of a pull side of a door. The doorstop has a deployable wedge or stop element (e.g., stop cylinder) that moves from a suspended position, above a floor surface, to a deployed position in contact with a floor surface. After contacting the floor surface, any attempt to open the door imparts a rotation on the stop element. A radial dimension of the stop element increases along a length of a surface that contact the floor surface. In this regard, rotating the stop element provides an upward lift to the door, which is counteracted by hinges of the door. That is, rotating the stop element results in the door wedging, which prevents opening the door.