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:
Nov. 15, 1988
Filed:
Aug. 17, 1987
Applicant:
Inventor:
Norman K Miller, Concordville, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ; E05F / ;
U.S. Cl.
CPC ...
200 6143 ;
Abstract
A safety door edge switch including a flexible sheath, an internal resiliently compressible foam formation in the sheath and providing fluid communication therealong, a relatively rigid transverse structure at one region in the sheath and containing a pressure sensitive switch element communicating with the inner formation for sensing pressure throughout the sheath and a pair of spaced confronting flexible contact sheaths engageable to provide a secondary switch.