Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Patent
1990-01-10
1991-11-05
Schwartz, Larry I.
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
74110, 83821, 408 72R, 408112, 33675, B23B 4728
Patent
active
050627473
ABSTRACT:
A jig-boring device, comprising an axle barrel which connects with bottom plate and is sheathed with lower gear, fixed support, upper gear and cover plate; a circular bottom plate connected to the bottom of the axle barrel; a lower gear placed on bottom plate sheathing the axle barrel; a fixed mount placed on lower gear sheathing the axle barrel; an upper gear placed on fixed support sheathing the axle barrel; a cover plate placed on upper gear sheathing the axle barrel; a lock nut which screws to the top outer periphery of the axle barrel; two pairs of measuring staffs which connect to two pairs of measuring staff brackets respectively; and two pairs of measuring staff brackets, placed symmetrizing each other on the bottom plate and fixed support respectively, which can measure out the abscissa and vertical coordinate of a desired bore center position about a work object.
REFERENCES:
patent: 794170 (1905-07-01), Fessler
patent: 1539700 (1925-05-01), Stramaglia
patent: 1797551 (1931-03-01), Heinze
patent: 2842860 (1958-07-01), Gray
patent: 3137947 (1964-06-01), Flower
patent: 3628253 (1971-12-01), Shepard
patent: 3785060 (1974-01-01), Brewer
Schultz Robert
Schwartz Larry I.
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