Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Adjustable – tool-guiding jig
Patent
1988-04-18
1988-12-27
Weidenfeld, Gil
Cutting by use of rotating axially moving tool
With work-engaging structure other than tool or tool-support
Adjustable, tool-guiding jig
408 72R, 408 97, B23B 4728
Patent
active
047937475
ABSTRACT:
Spindle jig mechanism for use in drilling spindle apertures in stair rails, the mechanism including a mounting block adapted to extend along the underside of a stair rail and having a transversely extending cylindrical cavity for receiving a cylindrical support for a tubular guide for a drill to be employed with the jig mechanism. Provision is made for multiple jig mechanisms having a plurality of mounting blocks, each adapted to position different tubular drill guides adapted to cooperate with drills of different sizes.
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Howell Daniel W.
Synnestvedt Kenneth P.
Weidenfeld Gil
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