Cutting – With means to guide moving work – With movable or yieldable guide element
Patent
1982-09-02
1984-10-16
Meister, James M.
Cutting
With means to guide moving work
With movable or yieldable guide element
83420, 83449, 144253F, B26D 706
Patent
active
044767579
ABSTRACT:
An adjustable featherboard is used with a table saw or other tool of the type having a substantially flat saw table having at least one groove formed in its surface and a blade slot adjacent and parallel to the groove, and consists of a body having a plurality of angularly extending elongated fingers and a pair of transverse and substantially parallel slots therethrough; a pair of mounting bolts, each positioned in a different one of the slots and having a threaded shank, a flared lower end, and a knob threaded on an upper end of the shank; and an expansion bar extending beneath the slots and sized to engage slidably the groove in the saw table and having a pair of bores therethrough which receive the flared ends of the mounting bolts. Rotation of the knob in a first direction clamps the body between the knob and the bar and draws the flared ends upwardly in the bores so that the bar expands transversely within the groove to secure the featherboard to the groove; reverse rotation of the knob permits the expansion bar to contract to its unexpanded width, thereby permitting removal of the featherboard from the saw table.
REFERENCES:
patent: 816424 (1906-03-01), Bemis
patent: 1282538 (1918-10-01), Cadwallader
patent: 2525894 (1950-10-01), Graham
patent: 2705034 (1955-03-01), Gaskell
patent: 2722247 (1955-11-01), Schroeder
patent: 3186452 (1965-06-01), Magnussen
patent: 3927706 (1975-12-01), Davey
patent: 4128118 (1978-12-01), Ede
patent: 4132256 (1979-01-01), Jones
R. J. DeCristoforo, "Power Tool Woodworking for Everyone", published by Shopsmith, Inc., Vandalia, Ohio, pp. 42-43.
Knoble J. L.
Meister James M.
Shopsmith, Inc.
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