Drilling tool with a drilling member and a tool holder input uni

Details Drilling tool with a drilling member and a tool holder input uni Drilling tool with a drilling member and a tool holder input uni

1976-02-27

1977-07-12

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Tool or tool with support

Including detailed shank

279 1A, 279 1SG, 279102, 408230, B23B 5102

Patent

active

040351009

ABSTRACT:
A drilling tool for use in the tool holder of a drilling machine includes a drilling member and a holder input unit laterally enclosing the end of the drilling member which fits into the tool holder. The holder input unit is hollow and is non-rotatably connected to the drilling member. The input unit consist of an outer sleeve having a large radially outer surface spaced outwardly from the drilling member and webs extending between the drilling member and the sleeve. The outer surface of the sleeve is generally polygonal in cross section transverse to the axis of the drilling member and is shaped to fit into and contact the tool holder. The webs and sleeve of the holder input unit effect the transmission of heat from the drilling member.

REFERENCES:
patent: 277404 (1883-05-01), Barker
patent: 2940765 (1960-06-01), Appleby
patent: 3082530 (1963-03-01), Hopf et al.
patent: 3716247 (1973-02-01), Sato

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