Adjustable calibrated pivot-arm stop for drill-press work table

Details Adjustable calibrated pivot-arm stop for drill-press work table Adjustable calibrated pivot-arm stop for drill-press work table

1993-09-13

1995-04-04

Howell, Daniel W.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

408 72R, B23B 4700

Patent

active

054031290

ABSTRACT:
A basic flat table 10 is mounted on parent drill-press through holes 19 and on said table is mounted a pivot-arm stop 11 which swings from its end pivot-arm first-hole 15 at upper right-hand corner location basic table pivot-arm arc center hole 18 to allow distance from facing edge of pivot-arm stop 11 to drill-bit center 20 to vary. Distance is calibrated on a dial 13 printed on table surface 10 and used by operator to match facing edge of pivot-arm 11 to marks on dial 13. Movable end of pivot-arm 11 follows slotted arc 14 through which bolt through pivot-arm second-hole 17 secures location. Sliding stop 12 is mounted on pivot-arm 11 to establish distance from drill-bit to end of workpiece.

REFERENCES:
patent: 695980 (1902-03-01), Wilhelm
patent: 882440 (1908-03-01), Williams
patent: 1422971 (1922-07-01), Hanson
patent: 3185470 (1965-05-01), Zitner
patent: 3222052 (1965-12-01), Freda
patent: 5114283 (1992-05-01), Fulton

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