Woodworking – Shaping machine – Pattern
Patent
1995-12-22
1997-09-16
Bray, W. Donald
Woodworking
Shaping machine
Pattern
1441353, 1441545, 144372, 409125, 409130, B27G 502
Patent
active
056670010
ABSTRACT:
An apparatus for cutting an end of a work piece having a work piece curved face along a curve which is substantially the mirror image of the cross-sectional curvature of the work piece curved face includes a work piece support structure; a work piece anchoring and positioning structure for securing the work piece onto the support structure in a position to be cut; a cutting assembly carriage structure mounted to move toward and away from the end of the work piece; a work piece cutting assembly slidably mounted on the cutting assembly guide structure and including a work piece cutting member; a cutting member guide structure including a guide template having a template guide surface with a guide surface contour; and a guide surface following structure connected to the work piece cutting assembly for guiding the cutting member along a path substantially duplicating the guide surface contour. The work piece support structure preferably includes a platform member resting on several platform member legs. The work piece cutting assembly guide structure preferably includes a rail arm including an elongate member pivotally connected to the apparatus to pivot toward and away from the work piece; where the cutting assembly carriage is slidably mounted on the rail arm. The work piece cutting assembly preferably includes a router motor tool having a router bit secured into a router chuck which is mounted on a drive shaft of a router motor, where the router motor tool is mounted on the carriage.
REFERENCES:
patent: 2323587 (1943-07-01), Duffy
patent: 3146812 (1964-09-01), Fleischer
patent: 3301287 (1967-01-01), Edwards
patent: 3442309 (1969-05-01), Jentsch
patent: 3865162 (1975-02-01), Schmidt
patent: 3942566 (1976-03-01), Schmidt
patent: 4742856 (1988-05-01), Hehr et al.
Headberg James
Sanger Wallace D.
Bray W. Donald
Kubler Frank L.
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