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:
Sep. 30, 2003
Filed:
Jan. 14, 2002
Barrie Jones, Weston-under-Lizard, GB;
Samuel Heath & Sons PLC, Birmingham, GB;
Abstract
A door closer comprises an actuator assembly ( ) adapted for fitting within the thickness of a door and an anchor member ( ) adapted for fitting in a door frame in opposed relation to said edge face of the door. An operating member ( ) is driven by spring means ( ) and coupled to said anchor member ( ) to draw the door towards the door frame. An adjustable fluid-filled damper ( ) is coupled to said operating member ( ) and arranged to provide variable regulation the rate of movement of the operating member under the force of said spring means ( ). Resilient thrust means ( ) are arranged to exert an increased driving force of said operating member ( ) and adjustable control means ( ) are provided whereby said thrust means ( ) is operative to augment the driving force to said operating member ( ) over a defined but variable part of said range of movement corresponding to movement of the door over the final part of its movement into its closed position.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile