Tool driving or impacting – Convertible
Reexamination Certificate
2006-02-14
2006-02-14
Smith, Scott A. (Department: 3721)
Tool driving or impacting
Convertible
C173S091000, C173S118000, C173S121000, C173S211000
Reexamination Certificate
active
06997269
ABSTRACT:
An attachment for an impact hammer for translating the hammer's typical forwardly directed impact force into a rearwardly directed pulling force while still allowing the user to maintain a conventional orientation of the hammer relative to the work piece intended to be pulled. The attachment comprises a housing defining a cavity with a hammer bit axially movable therein and having an impacting head urged rearwardly by a bias structure which responds to a forward impact force by the impact hammer to cause the hammer bit head to exert impact force on the work piece in a rearward direction.
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Seyfarth Shaw LLP
Smith Scott A.
Snap-on Incorporated
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