Tool driving or impacting – Drive adjustable to completely change kind of drive – Adjustable to impacting device
Reissue Patent
2005-12-23
2009-02-24
Rada, Rinaldi I. (Department: 3721)
Tool driving or impacting
Drive adjustable to completely change kind of drive
Adjustable to impacting device
C173S104000
Reissue Patent
active
RE040643
ABSTRACT:
A rotary hammer includes a spindle18which can be rotatably driven by an intermediate shaft24by way of a drive device. A tool holder16is arranged for rotation with the spindle18,and for releasably holding a bit or tool for selective rotation and/or reciprocation. A pneumatic hammering arrangement facilitates repeated impacting of the bit or tool for reciprocation within the tool holder (16). A mode change mechanism includes a knob18for selectively operating the rotary hammer in any of three modes, identified as a rotary drive only mode, a hammer only mode and a rotary hammer mode.
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Ayala Adan
Black & Decker Inc.
Chukwurah Nathaniel
Markow Scott B.
Rada Rinaldi I.
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