Right angle extension drill

Details Right angle extension drill Right angle extension drill

1985-11-21

1987-02-24

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Means to drive tool

Universal or flexible drive connection to rotate tool

173163, B23B 4514

Patent

active

046453881

ABSTRACT:
A right angle extension drill is provided and consists of an adjustable right angle drive unit removably connectable to a portable power unit so that the power unit can drive the right angle drive unit for drilling holes within various materials. Extension poles can be used so that the right angle unit can reach a side of an overhead beam to drill a hole therein. The uppermost extension pole can be curved at its distal end which is connected to the right angle drive unit so that it will drive holes perpendicular to a ceiling from a position either above or below the ceiling.

REFERENCES:
patent: 836212 (1906-11-01), Pierce et al.
patent: 2106937 (1938-02-01), Torbert
patent: 2414637 (1947-01-01), Crump
patent: 2711199 (1955-06-01), Salsberg
patent: 3016073 (1962-01-01), Broussard et al.
patent: 4184795 (1980-01-01), Medlin
patent: 4419032 (1983-12-01), Flowers

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