Method of producing chair mats and the like involving edge trimm

Details Method of producing chair mats and the like involving edge trimm Method of producing chair mats and the like involving edge trimm

1985-06-18

1988-03-29

Anderson, Philip

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

144139, 144142, 144144A, 1441445R, 264138, 409 90, 409 97, 409110, B23C 126, B23C 104, B27C 502

Patent

active

047339977

ABSTRACT:
An apparatus and method for forming a workpiece or chair mat with cleats on the underside thereof, and with a marginal peripheral area void of cleats, and for trimming the edge of a generally planar workpiece. A rotatable work table is provided for positioning the workpiece. A router head includes an inclined router blade engageable with the edge of the workpiece to form a beveled ramp edge thereabout. A template is positioned between the workpiece and the work table, and the router head has a cam follower engageable with and movable along the edge of the template for guiding the router blade along the edge of the workpiece during rotation of the work table. A cooling medium is directed toward the area of engagement between the router blade and the edge of the workpiece. The depth of cut is controlled by a cam disk mounted on the bottom of the router head engageable with the top of the workpiece.

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