Work holders – Work-underlying support – Gapped support
Reexamination Certificate
2008-06-23
2011-11-15
Wilson, Lee D (Department: 3727)
Work holders
Work-underlying support
Gapped support
C269S2890MR, C269S302100, C029S281100
Reexamination Certificate
active
08056890
ABSTRACT:
A portable cutting mat for improving safety when using a power circular saw for cutting wood sheeting. The mat has a top surface, bottom surface, top edge, bottom edge, left edge, and right edge. The mat also contains holes through the top and bottom surfaces in a predetermined grid pattern. Disposed and secured within the mat holes are replaceable support pegs of a predetermined height. A wood sheet is to be laid on top of replaceable support pegs so that the top, bottom, left, and right edges along with row markings are visible around the perimeter of the wood sheet. The row markings are contrasting colors of alternate rows of the replaceable support pegs and/or alternate row markings directly printed on the mat to differentiate between rows of the replaceable support pegs. Cutting channels are the open areas between the rows of the replaceable support pegs, and the top surface of mat. Tie strings and/or straps are attached to the top or bottom edge to secure around the circumference of rolled up mat for transportation or storage.
REFERENCES:
patent: 3016317 (1962-01-01), Brunner
patent: 3636577 (1972-01-01), Nissen
patent: 4956199 (1990-09-01), Ruisi
patent: 4989846 (1991-02-01), Quinn
patent: 6859960 (2005-03-01), Jerome
patent: 7485071 (2009-02-01), Edwards
patent: 2005/0192158 (2005-09-01), Edwards
patent: 2009/0011911 (2009-01-01), Lee
patent: 2011/0101589 (2011-05-01), Engel
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