Positioning unit for core drill stand

Details Positioning unit for core drill stand Positioning unit for core drill stand

1985-03-06

1986-07-01

Frankfort, Charles

Geometrical instruments

Area integrators

Electrical

33189, B23B 4900

Patent

active

045971854

ABSTRACT:
A positioning unit for drill stands, the positioning unit including a flat base, a vertical support panel rigid with and extending perpendicular from one end of the base, an elongate slot through the support panel, an elongated sleeve transversely aligned with the slot and longitudinally adjustable therealong, and an elongate pointer rod slidably received through the sleeve and selectively locked therein in a slidably adjusted position. Side braces extend between the base and the support panel and project below the base to define side flanges for cooperation with the base in a mounting of the positioning unit on the support bar of a drill stand.

REFERENCES:
patent: 793901 (1905-07-01), Noyes
patent: 1302131 (1919-04-01), Carter
patent: 2030280 (1936-02-01), Vigliano
patent: 2341107 (1944-02-01), MacDonald
patent: 2373927 (1945-04-01), Turner
patent: 3015889 (1962-01-01), Godman
patent: 3195240 (1965-07-01), Parker
patent: 3228112 (1966-01-01), Hanks
patent: 3382582 (1968-05-01), Matson
patent: 3760507 (1973-09-01), La Rocca
patent: 4365418 (1982-12-01), Hoyss et al.
patent: 4389790 (1983-06-01), Dunlap

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