Woodworking – Cutter guard – Laterally urged
Patent
1990-06-25
1991-03-19
Bray, W. Donald
Woodworking
Cutter guard
Laterally urged
144251A, 144253F, 144253J, B27G 1900
Patent
active
050002376
ABSTRACT:
A guard as disclosed for use with a woodworking tool such as a jointer having a worktable, a cutter head and a guide fence for guiding a workpiece through the jointer. The guard is pivotally mounted to the table and is biased toward the guide fence such that it covers the cutter head when a workpiece is not present. The guard includes a body portion and flexible fingers formed integrally with and extending from the body portion toward the guide fence. The flexible fingers act as a featherboard during a jointing operation and the pivotal movement of the guard may be limited such that the fingers engage a workpiece as it is fed through the jointer to thereby apply a biasing force against the workpiece toward the guide fence. The fingers further act to resist movement of the workpiece in a direction opposite to the feed direction during a kickback situation and thereby provide greater control over the workpiece.
REFERENCES:
patent: 767545 (1904-08-01), Davidsen
patent: 944976 (1909-12-01), Spady
patent: 998873 (1911-07-01), Couture
patent: 1788663 (1931-01-01), May
patent: 1801326 (1931-04-01), Boisvert
patent: 2521499 (1950-09-01), Boisvert
patent: 2705034 (1955-03-01), Gaskell
patent: 2747628 (1956-04-01), Ford
patent: 2894546 (1959-07-01), Eschenburg
patent: 2895517 (1959-07-01), Rhett
Berkeley James E.
Flora David D.
Bray W. Donald
Shopsmith, Inc.
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