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:
Jan. 05, 2010
Filed:
Jun. 13, 2007
Mike Smith, Milford, PA (US);
Randy Goodman, Petoskey, MI (US);
Kevin Kelly, Hilliard, OH (US);
Marty Brundage, Columbus, OH (US);
Bret Kline, Columbus, OH (US);
Mike Smith, Milford, PA (US);
Randy Goodman, Petoskey, MI (US);
Kevin Kelly, Hilliard, OH (US);
Marty Brundage, Columbus, OH (US);
Bret Kline, Columbus, OH (US);
Sunlite Safety Products, LLC, Carbondale, PA (US);
Abstract
A portable rechargeable lantern capable of use in an explosive environment includes light emitting diode light source, fault tolerant circuitry, a rechargeable battery and a charging circuit that receives power from an external charger via an induction coil. Formed within a sealed housing, the induction coil charging system eliminates external metal contacts, thereby eliminating a potential ignition source during charging operations. Fault tolerant circuitry and a cool-running light emitting diode light source eliminate potential ignition sources due to breakage or fault conditions. Mating surfaces between the lantern and its charger cradle facilitate aligning the charging induction coils.