Router accessory for producing cuts having a contoured depth

Details Router accessory for producing cuts having a contoured depth Router accessory for producing cuts having a contoured depth

1994-11-15

1996-12-24

Bray, W. Donald

Woodworking

Shaping machine

Pattern

144143, 144372, 409165, 409226, 409229, B27C 510, B27M 300

Patent

active

055865917

ABSTRACT:
A router accessory having a housing with a router attaching portion for adjustable attachment to a router. The router accessory also comprises a plate for fixedly holding a work piece. The work piece support plate has a plurality of arms extending therefrom. There is also a plurality of track mechanisms attached to the housing. The arms are slidably attached to tile track mechanisms so that the plate with attached work piece can be guided in a desired path relative to the router bit. The track mechanisms can be constructed to guide the plate in only the x and y directions or in a preferred embodiment tile track mechanisms can have a varying height in the z direction for actively varying the spacing between the router and the work piece as the plate is slidably guided by the track mechanisms during routing. In this manner, cuts can be made in the work piece which have a contoured depth. It should be appreciated that this capability of producing contoured depth cuts has not been offered or taught by any type of router accessory in the prior art.

REFERENCES:
patent: 3442309 (1969-05-01), Jentsch
patent: 3463049 (1969-08-01), Thomson
patent: 4299263 (1981-11-01), Skinner
patent: 4787127 (1988-11-01), Beall
patent: 5020578 (1991-06-01), Jennings
patent: 5271441 (1993-12-01), Gakhar et al.

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