Chemistry: electrical current producing apparatus – product – and – Cell support for removable cell – Having switch or interlock means
Patent
1992-02-21
1993-05-25
Maples, John S.
Chemistry: electrical current producing apparatus, product, and
Cell support for removable cell
Having switch or interlock means
429 98, 429123, 292DIG38, 292244, 292 87, 30500, 30DIG1, H01M 210, E05C 1906, B25B 2100
Patent
active
052139131
ABSTRACT:
A cordless electric device has a main body portion extending along an axis and a handle portion extending at an obtuse angle with respect to the axis, the handle portion receiving therein along a second axis a battery pack. The device has a two-part housing, with the parts respectively defining the front and rear of the body and handle portions. The front housing part has latching shoulders respectively disposed on the opposite sides thereof, with each defining a first latching surface disposed substantially parallel to the first axis, while the battery pack has two identical latching members respectively disposed on opposite sides thereof and each resiliently displaceable between latching and release positions, each latching member having two second latching surfaces thereon in a V-shaped configuration, so that one of said second latching surfaces on each of said latching members is disposed substantially parallel to the first axis for engagement with the first latching surface of the corresponding latching shoulder to latch the battery back in place on the device. The latching members are interchangeable and molding of the forward housing part is facilitated.
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Operating Instructions for and photographs of Panasonic EY574 Cordless Tool using EY970 Battery Pack (No Date Available).
Specification sheet for Panasonic Model Nos. EY571B and EY574B Cordless Electric Power Tools using EY970 Battery Pack (No Date Available).
True Value advertisement for Master Mechanical Cordless Electric Tools, Model Nos. MMRD904E3 and MMRD703E3. (No Date Available).
Photographs of Hitachi Model WH8D1 Cordless Impact Wrench. (No Date Available).
Anthony, III Philip M.
Norris Michael A.
Wahoski Edward S.
Maples John S.
Snap-on Tools Corporation
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