Title: High velocity, low-friction boring tool

Abstract: A high velocity, low-friction boring bar for boring holes through any machineable material. The boring bar comprises a cylindrical shaft having a boring head thereon rotatably and slidably disposed within a bearing member. The bearing member is surrounded by a housing which supports the boring bar as it extends through a hole-locating member.

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Inventors: Maxey, Robert E. L. (Irwin, PA, US)

Application Number: 665142
Filing Date: 1976-03-08
Publication_date: 1976-11-16
Assignee: Westinghouse Electric Corporation (Pittsburgh, PA)
Primary Class(es): 408/72B 384/49, 408/80, 408/241B
Other Classes:
US Patent Ref:

2311815	Feb, 1943	Brine, Jr.	308/189.
2372626	Mar, 1945	Fenner	408/72.
2643554	Jun, 1953	Sperisen	408/241.
3011369	Dec, 1961	Russell	408/72.
3143902	Aug, 1964	Turner	408/81.
3331266	Jul, 1967	Brooks	408/80.
3453898	Jul, 1969	Kopczynski	308/6.
3688592	Sep, 1972	Kopczynski	308/6.
3756736	Sep, 1973	Marcoux	408/241.
3881396	May, 1975	Case	408/80.

Other Refs: 30,045

Jun, 1964	DL

Primary Examiner: Simpson, Othell M.
Assistant Examiner: Briggs, W. R.
Attorney: Telfer; G. H.