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:
May. 15, 2012
Filed:
Feb. 17, 2006
James E. Condon, Plymouth, CA (US);
Clare M. Condon, Legal Representative, Plymouth, CA (US);
Gregory S. Beck, Hanford, CA (US);
James E. Condon, Plymouth, CA (US);
Clare M. Condon, legal representative, Plymouth, CA (US);
Gregory S. Beck, Hanford, CA (US);
JEC Optics, Inc., Placerville, CA (US);
Abstract
A door having a pneumatic sensing edge is operated automatically to open when an object and the edge make contact An optical pressure switch () in fluid communication with gas forced from the edge on contact with the object initiates the operation of a door opener The optical pressure switch () includes a membrane () having a portion that interrupts a light beam (LB) when the membrane () flexes due to the increase gas pressure over ambient pressure as gas is forced from the edge.