Chuck Assembly and drill tool for deep hole drills

Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product – Including tool with duct

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Details

279 20, 408705, B23B 4102, B23B 5106

Patent

active

054155010

ABSTRACT:
A chuck assembly and drill tool for a deep hole drilling press wherein the shank of the drill is of great length and slidably received within the chuck assembly to various depths such that complete removal of the drill for the purpose of substitution with drills of different lengths is avoided. The invention also teaches means for securing the drill within the chuck at various points along the shank's length. Prevention of lubricating and cooling oil leakage is accomplished by novel packing means which are also incorporated into the chuck assembly. In another embodiment, a separate insert may be fitted to the chuck assembly to permit reception of shanks of varying diameter. Both embodiments prevent excessive vibration, fallout and whiplashing of the enclosed drill tool.

REFERENCES:
patent: 234066 (1880-11-01), Reno
patent: 965970 (1910-08-01), Wells
patent: 1160042 (1915-11-01), Carpenter
patent: 1577895 (1926-03-01), Conard
patent: 2847880 (1958-08-01), Neidig
patent: 3120768 (1964-02-01), Williams
patent: 3136561 (1964-06-01), McAuliffe et al.
patent: 3317216 (1967-05-01), Muthler
patent: 3361014 (1968-01-01), McClennan
patent: 3647310 (1972-03-01), Morse
patent: 3701607 (1972-10-01), Johnson
patent: 3754767 (1973-08-01), Bennett
patent: 4158522 (1979-06-01), Wirfelt

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