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:
Feb. 05, 2019
Filed:
Jul. 21, 2017
Black & Decker Inc., New Britain, CT (US);
Jeremy D. Ashinghurst, Halethorpe, MD (US);
Rouse Roby Bailey, New Park, PA (US);
Jason F. Busschaert, Bel Air, MD (US);
Scott J. Eshleman, Parkville, MD (US);
Sankarshan Murthy, Mountain View, CA (US);
Christine H. Potter, Phoenix, MD (US);
Daniel Puzio, Baltimore, MD (US);
Craig A. Schell, Street, MD (US);
BLACK & DECKER INC., New Britain, CT (US);
Abstract
A power tool system includes a power tool, a power tool battery pack and a battery pack charger. The power tool battery pack is separable from and attachable to the power tool, and electrically connectable to the power tool electrical terminals when attached to the power tool. The power tool battery pack has at least one battery cell, a receiver coil, and a control circuit for controlling the amount of power that is provided to the at least one battery cell. The battery pack charger has at least one transmitter coil for generating a magnetic field which induces a voltage in the receiver coil, and a control circuit for controlling the amount of power that is provided to the transmitter coil.