Abrading – Frame or mount – Portable abrader
Reexamination Certificate
2005-05-17
2005-05-17
Eley, Timothy V. (Department: 3724)
Abrading
Frame or mount
Portable abrader
C451S354000, C451S452000, C451S457000
Reexamination Certificate
active
06893334
ABSTRACT:
A guard for a rotary cutting tool allows for automatic adjustment of the guard relative to the cutting disc and to a workpiece. Such an automatic adjustment allows a user to cut around substantially the entire circumference of a rounded workpiece, such as a pipe, without requiring alteration of the angle at which the tool is held, repositioning by the user, or repositioning or removal of the guard. The guard includes a bracket for mounting the guard to the rotary cutting tool, a hood mounted to the bracket and enclosing a portion of the cutting disc, and a spring for biasing one end of the hood into substantially continuous contact with the workpiece during operation of the rotary cutting tool.
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Eley Timothy V.
Nagle, Jr. David W.
Stites & Harbison PLLC
Wilson Mandy V.
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