Invention Grant
US08646207B1 Self-closing entry system 失效
自闭入口系统

  • Patent Title: Self-closing entry system
  • Patent Title (中): 自闭入口系统
  • Application No.: US13570582
    Application Date: 2012-08-09
  • Publication No.: US08646207B1
    Publication Date: 2014-02-11
  • Inventor: Mark Lankford
  • Applicant: Mark Lankford
  • Agent Eric C Schmalbach
  • Main IPC: E01F13/00
  • IPC: E01F13/00
Self-closing entry system
Abstract:
A self-closing entry system includes an entrance, a base support member located at one side of the entrance, a bearing arrangement attached to the base support member, a gate surface member pivotably mounted to the base support member, a bumper assembly defined by at least one bumper frame member pivotably fastened to the gate surface member at a gate fulcrum, at least one bumper contact element fastened to the at least one bumper frame member, and wherein the at least one bumper contact element is capable of axial rotation about the at least one bumper frame member, a counter-balance assembly extending from the first bumper frame member to the second bumper frame member, and a means for latching the gate system, allowing the gate surface member to move in one direction upon activation of a latching control means.
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