Gear cutting – milling – or planing – Milling – Including means to infeed work to cutter
Patent
1986-07-30
1988-04-19
Weidenfeld, Gil
Gear cutting, milling, or planing
Milling
Including means to infeed work to cutter
144134D, 144200, 269 57, B27C 500, B27F 108
Patent
active
047385740
ABSTRACT:
Router jig apparatus includes a base portion, a router positioning portion, a workpiece orbiting portion and a workpiece positioning portion. The base portion includes a quadrangular frame section disposed generally horizontally and a supporting stand extending downwardly from the frame section. The router positioning portion includes a plate section slidably engageable with the frame section, the plate section includes a central first opening of a shape to pass a motor of an inverted router and retain a work surface surrounding a bit thereof. The workpiece orbiting portion includes a guide section disposed above and closely adjacent to the frame section, the guide section including a large circular second opening therein. A disc member is rotatably positioned within the guide section opening, generally in a common plane therewith, the disc member including a central third opening. The workpiece positioning portion includes a support section resting on the disc member and a horizontally pivotable section carried by the support section. An upstanding specimen holding section has its lower end affixed to the pivotable section on a free side thereof and extends upwardly therefrom with securing mechanism for fixing the inclination of the upstanding section and specimen retaining mechanism disposed along the length of the upstanding holding section.
REFERENCES:
patent: 2799305 (1957-07-01), Groehn
patent: 3604484 (1971-09-01), Viljoen
patent: 4273483 (1981-06-01), Mendicino
patent: 4281694 (1981-08-01), Gorman
patent: 4299263 (1981-11-01), Skinner
patent: 4305439 (1981-12-01), Skinner
patent: 4327786 (1982-05-01), Markkula
Bishop Steven C.
Urban Arthur L.
Weidenfeld Gil
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