Work holders – Work-underlying support – With work-stop abutment
Patent
1987-11-09
1988-12-27
Wan, Gene
Work holders
Work-underlying support
With work-stop abutment
B23Q 300
Patent
active
047936045
ABSTRACT:
A jig for maintaining a work piece in a predetermined position relative to a cutting tool is comprised of first and second relatively flat members having respective first and second major surfaces for being positioned in facing relationship. Each body member has a pair of parallel elongated racks of substantially equal lengths, with a plurality of teeth spaced at predetermined intervals along respective major axes of each rack. The racks on the first body member are positioned substantially in registration with the corresponding racks on the second body member so that the teeth of the facing racks are meshed together to inhibit the first and second body members from being moved relative to one another along the major axis of the jig. The position of the first body member relative to the second body member is adjustable along the major axis of the jig in predetermined increments corresponding to the width of the interval between successive teeth so that the effective length of the jig is adjusted accordingly. The flat end surface of each body member is adapted for attachment to a "fence" or other alignment tool used in woodworking operations.
REFERENCES:
patent: 3124180 (1964-03-01), Cate
Griggs Dennis T.
Wan Gene
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