Nose piece adaptors for manual or power feed drills

Details Nose piece adaptors for manual or power feed drills Nose piece adaptors for manual or power feed drills

1988-03-31

1989-07-25

Bishop, Steven C.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

279 1A, 279 1B, 408 57, 408 72B, 408241B, B23B 4902

Patent

active

048507555

ABSTRACT:
The invention concerns a nose piece adaptor for a manual or power feed drill. The adaptor has a hollow cylindrical sleeve (11) surrounding the drill bit and having on the outer surface of one end thereof a taper lock (13) for engagement with location studs (17) in a template (16). At its other end the sleeve (11) can be threadedly engaged or integral with the drill. The sleeve (11) has a sprung, quick-release ball (25) lock mechanism for engaging with or disengaging from a peripheral locking groove (26) of a nose piece (14) inserted into the bore of the sleeve (11). The nose piece (14) is a simple cylindrical rod with a bore (30) for the drill bit.

REFERENCES:
patent: 3735993 (1973-05-01), Seibert
patent: 4643621 (1987-02-01), Fuller et al.
patent: 4743145 (1988-05-01), Hendricks et al.
patent: 4770570 (1988-09-01), Tsui et al.

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