Tool driving or impacting – Convertible
Reexamination Certificate
2006-11-14
2006-11-14
Rada, Rinaldi I. (Department: 3721)
Tool driving or impacting
Convertible
C173S205000, C173S132000, C173S122000
Reexamination Certificate
active
07134508
ABSTRACT:
A preferred embodiment of a rotary tool reciprocating motion conversion attachment for a rotary power hand tool is described which is configured to be attached to a nose portion of the hand tool housing. The attachment has a rotary drive train in a housing that is connectable to the output shaft of the hand tool, the drive train driving a barrel cam having an exterior cam groove. A cam follower rides in the cam groove and produces reciprocating motion, with the cam follower being part of a cam follower assembly to which an implement holder is attached. The preferred embodiment has a cam groove configuration which causes the implement holder to move slower during a cutting stroke and faster during a return stroke, thereby tending to optimize the operation of the cutting implement. The preferred embodiment also includes a planetary gear set for reducing the rotational speed of the hand tool output shaft to reduce the speed of reciprocation of the attachment.
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McCulloch SL501 4 in 1 Multi tool catalog. http://www.flexcut.com/tools/accessories/s1501.html.
Davis Josh A.
Hulsey Charles
Prell Edward T.
Rohr, Jr. Edward J.
Greer Burns & Crain Ltd.
Nash Brian
Rada Rinaldi I.
Robert & Bosch GmbH
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