Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Patent
1977-12-29
1980-02-05
Spruill, Robert L.
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
144134D, 409181, B27C 510
Patent
active
041870468
ABSTRACT:
A hand operated power tool is used for trimming and edge finishing a workpiece such as a counter top or desk top. The tool comprises a housing having two guide surfaces arranged substantially perpendicular to each other and an electric motor-driven cutter mounted in a recess in one of the guide surfaces, arranged parallel to one guide surface and perpendicular to the other guide surface. The two guide surfaces support the tool on a flat surface of the workpiece and maintain the cutter in position with respect to the material to be cut. In addition, a cutter guide bearing at the end of the cutter further guides and limits the movement of the cutter. The tool may be operated in two different positions so that edges adjacent to blind corners and curved surfaces may be trimmed. Different shaped cutter bits can be used for trimming square, beveled, or radiused edges with no adjustments to the tool.
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Bray W. D.
Lewis, Jr. Ancel W.
Spruill Robert L.
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