Battery state of charge indicator for a power tool

A battery-operated power tool 10 has a state of charge indicator 120 (or "fuel gauge") to show the 'at rest' state of charge of the battery 200. The power tool may have a switch assembly 74 to electrically connect the motor (28, fig. 21) to the battery. When the switch assembly i...

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Bibliographische Detailangaben
Hauptverfasser:	NANCY UEHLEIN-PROCTOR, JEFFREY SCOTT HOLLY, MATTHEW J MERGENER
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR ELECTRICITY GENERATION HAND TOOLS MANIPULATORS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING
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