Tool driving or impacting – Work cleansing – Using vacuum or reverse circulation
Reexamination Certificate
2006-03-28
2006-03-28
Smith, Scott A. (Department: 3721)
Tool driving or impacting
Work cleansing
Using vacuum or reverse circulation
C173S217000, C173S171000, C173S075000, C408S058000, C408S067000, C175S209000
Reexamination Certificate
active
07017680
ABSTRACT:
An electrically powered tool having a dust collection unit powered by a motor, which unit can be releasably fitted to the tool includes a plug arrangement and a cooperating socket arrangement, one of which is formed on the tool and the other of which is formed on the unit. A first mechanical fixing arrangement is provided comprising a first projection and a first cooperating recess, one of which is formed on the tool and the other of which is formed on the unit. A second mechanical fixing arrangement is provided and comprises a manually actuable releasable latch arrangement and a second cooperating recess, one of which is formed on the tool and the other of which is formed on the unit. The first and second mechanical fixing arrangements cooperate to secure the dust collection unit to the tool in such a way that the plug and socket arrangements form an electrical connection.
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Arich Klaus-Dieter
Bernhart Ralf
Staas Ernst
Stanke Thomas
Wache, legal representative Rosi
Ayala Adan
Black & Decker Inc.
Leary Michael P.
Smith Scott A.
Yocum Charles E.
LandOfFree
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