1
West Joshua D, Deshpande Uday S: Dc motor with dual commutator bar set and selectable series and parallel connected coils. Black & Decker, West Joshua D, Deshpande Uday S, ELCHUK Mark D, August 30, 2007: WO/2007/098220 (374 worldwide citation)

A permanent magnet, DC motor especially well adapted for use in power tools, and particularly hand-held, battery powered power tools. The motor includes two sets of armature coils, with each set of coils being coupled to separate sets of commutator bars on an armature. Separate pairs of brushes are ...


2
Stephen F Gass, David S D&apos Ascenzo: Power tools. March 25, 2003: US06536536 (309 worldwide citation)

An electrically powered hand tool is disclosed. The tool includes a motor, a power source, a work element and a controller. Various alternative features, embodiments and operative configurations are disclosed.


3
Phillips Steven J, White Daniel J, Casalena Adam M, Kuehne Brent A, Bailey Rouse Roby, Roberts Michael W, Marcinkowski Robert J, Bowers Michelle L: Battery pack and internal component arrangement within the battery pack for cordless power tool system. Black &Amp, Decker, May 2, 2007: EP1780825-A1 (265 worldwide citation)

An internal component arrangement within a battery pack housing having multiple cells and adapted for cordless power tools may provide desired mechanical support to constrain the cells. The housing with internal component arrangement is configured to route sensing wires from the cells to an electron ...


4
Alan Phillips, Julie L Jones: Amperage control for protection of battery over current in power tools. Black & Decker, Harness Dickey & Pierce, November 7, 2006: US07133601 (239 worldwide citation)

Amperage control of a power tool motor is provided by pulse width modulation of current from a power supply. The pulse width modulation may be varied according to the determined motor current and measured power supply voltage. The power supply preferably includes a battery, such a lithium ion or nic ...


5
Steven J Phillips, Daniel J White, Adam M Casalena, Brent A Kuehne, R Roby Bailey Jr, Michael W Roberts Jr, Robert J Marcinkowski, Michelle L Bowers: Battery pack and internal component arrangement within the battery pack for cordless power tool system. Black & Decker, Harness Dickey & Pierce, January 10, 2012: US08092932 (181 worldwide citation)

An internal component arrangement within a battery pack housing having multiple cells and adapted for cordless power tools may provide desired mechanical support to constrain the cells. The housing with internal component arrangement is configured to route sensing wires from the cells to an electron ...


6
Joshua D West, Uday S Deshpande: DC motor with dual commutator bar set and selectable series and parallel connected coils. Black & Decker, Harness Dickey & Pierce, February 22, 2011: US07893586 (178 worldwide citation)

A permanent magnet, DC motor especially well adapted for use in power tools, and particularly hand-held, battery powered power tools. The motor includes two sets of armature coils, with each set of coils being coupled to separate sets of commutator bars on an armature. Separate pairs of brushes are ...


7
Ana Maria Roberts, David Proudlock: Power tool gear-train and torque overload clutch therefor. Black & Decker, Michael Aronoff, Adan Ayala, January 12, 2010: US07644783 (172 worldwide citation)

A power tool transmission is described in which an overload clutch mechanism is arranged to provide a relatively compact power tool. A torque adjustment dial is arranged between the visible portions of the motor housing and the gearbox, and the dial is coupled to a compression spring such that rotat ...


8
George R Curtiss: In-line reversing mechanism. Cooper, Wilson Fraser Barker & Clemens, June 23, 1981: US04274304 (172 worldwide citation)

An in-line reversing mechanism for use with hand-held power tools comprises two coaxially juxtaposed epicyclic gear trains having a common carrier which may alternately be locked to or released from an outer cage to accomplish the bidirectional transmission of rotational power. The complete reversin ...


9
Alan A Gilmore, Daniele C Brotto: Battery charging system having logarithmic analog-to-digital converter with automatic scaling of analog signal. Black & Decker, Harness Dickey & Pierce, September 12, 1995: US05449997 (164 worldwide citation)

An ultra-quick charging device for charging battery packs for an assortment of different appliances, such as power tools, having a wide range of output voltages. The charging device includes an AC to DC high current power supply circuit and a microcomputer-based controller circuit for monitoring the ...


10
Damon Germanton, Menahem Lehr: Variable speed DC motor controller apparatus particularly adapted for control of portable-power tools. Measurement Specialties, Arthur L Plevy, May 14, 1991: US05014793 (131 worldwide citation)

A portable electric power tool having a DC motor for driving tool bit is controlled according to speed and torque by employing a zero displacement switch means which is coupled to the tool and operative to provide an output voltage porportional to the pressure applied to the switch means via the han ...