Cordless power tool system
First Claim
1. A battery pack for a system of cordless power tools comprising:
- a battery pack housing with first and second longitudinally extending guide rails; and
a terminal block transversely disposed between said guide rails and having a plurality of longitudinally extending terminal blades;
said guide rails and said plurality of terminal blades each having transversely aligned forward ends.
1 Assignment
0 Petitions
Accused Products
Abstract
A system of cordless power tools includes a cordless power tool adapted to removably receive a rechargeable battery pack. The system further includes a battery pack charger and a converter for converting AC electricity to DC electricity. A battery pack interface block is captured between clam shell halves of a battery pack housing and includes a plurality of male blade terminals. The male blade terminals are received within recessed female terminals of a tool terminal block and similarly received by recessed female terminals of the charger. The tool terminal block further includes a pair of male terminals which engage recessed female terminals of the converter. Apertures are provided in guide rails of the battery pack to receive the male terminals of the tool terminal block.
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Citations
37 Claims
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1. A battery pack for a system of cordless power tools comprising:
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a battery pack housing with first and second longitudinally extending guide rails; and a terminal block transversely disposed between said guide rails and having a plurality of longitudinally extending terminal blades; said guide rails and said plurality of terminal blades each having transversely aligned forward ends. - View Dependent Claims (2, 3, 4)
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5. A system of cordless power tools comprising:
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a cordless power tool having a housing defining a pair of laterally opposed grooves, said tool further including a first terminal block having a pair of male terminals and a pair of female terminals; and a rechargeable battery removably attachable to said cordless power tool, said rechargeable battery having a second terminal block adapted to interface with said first terminal block, said rechargeable battery further including a housing having a pair of guide rails adapted to be slidably received within said pair of laterally opposed grooves, at least one of said guide rails formed to include a clearance for receiving one of said pair of male terminals. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A battery pack for a cordless power tool, the battery pack comprising:
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a housing having first and second halves defining first and second chambers; a battery disposed in said first chamber; and a terminal block electrically connected to said battery, said terminal block disposed in said second chamber and captured between said first and second halves. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A system of cordless power tools comprising:
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a battery pack having a housing and a terminal block, said housing defining a chamber having a floor, said terminal block disposed in said chamber, said terminal block including a plurality of blade terminals, each blade terminal of said plurality of blade terminals being spaced from said floor; and a battery charger including a plurality of female terminals for receiving said plurality of blade terminals, said battery charger further including a plurality of insulating portions substantially concealing said female terminals, said insulating portions each defining an opening for receiving one of said blade terminals thereby providing access to an associated female terminal, each insulating portion including a horizontally oriented upper portion adapted to be received between an associated blade terminal and said floor. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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27. A battery pack for a cordless power tool comprising:
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a battery pack housing including first and second laterally spaced sides and a rear side oriented substantially perpendicular to said first and second laterally spaced sides; and first and second protrusions disposed adjacent said rear side on said first and second laterally spaced sides, respectively, both of said first and second protrusions being generally convexly curved; whereby said protrusions facilitate manual extraction of the battery pack from the cordless power tool. - View Dependent Claims (28, 29, 30, 31)
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32. A method of releasably and electrically interconnecting a battery pack with a tool terminal block of a cordless power tool, the cordless power tool having a housing defining a pair of tool grooves, the tool terminal block including a pair of female terminals and a pair of laterally spaced terminal block guide rails, the method comprising the steps of:
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providing a rechargeable battery pack including a pair of laterally spaced apart battery pack guide rails and a pair of battery pack grooves subjacent to said battery pack guide rails, said battery pack further including a battery pack terminal block for interfacing with said tool terminal block, said battery pack terminal block including a pair of blade terminals; grossly aligning said tool terminal block and said battery pack terminal block by engaging said battery pack guide rails and tool grooves in a generally loose fit and subsequently sliding said battery pack guide rails relative to said tool grooves a first distance; and precisely aligning said battery pack relative to said tool terminal block by sliding said guide rails relative to said grooves a second, additional predetermined distance such that said terminal block guide rails engage said pair of battery pack grooves in a generally tight fit. - View Dependent Claims (33, 34, 35, 36, 37)
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Specification