Boring bar housing

Description

FIG. 1 is an isometric view of the boring bar housing;

FIG. 2 is a front view of the boring bar housing;

FIG. 3 is a bottom view of FIG. 2; and,

FIG. 4 is a top view of FIG. 2.

Referenced Cited
U.S. Patent Documents
D203001 November 1965 Bucha
D239318 March 1976 Hopper
2997900 October 1963 Pugsley
4011793 March 15, 1977 Grimsley
4082474 April 4, 1978 Stiger
Patent History
Patent number: D252398
Type: Grant
Filed: Feb 23, 1977
Date of Patent: Jul 17, 1979
Inventor: Ernest E. Grimsley (Portsmouth, VA)
Primary Examiner: Bernard Ansher
Attorney: B. Franklin Griffin
Application Number: 5/775,282
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140); Machine Support Or Frame (D15/141)
International Classification: D1599;