Drill guide for removing broken studs from automotive manifolds

Description

FIG. 1 is a reduced perspective view of a drill guide for removing broken studs from automotive manifolds embodying my new design;

FIG. 2 is a reduced perspective view of the body portion, shown separately for clarity of disclosure;

FIG. 3 is a top plan view thereof;

FIG. 4 is a side elevational view taken from the right of FIG. 1, the side opposite being a mirror image thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a sectional view taken in the direction of the arrows on line 6--6 of FIG. 3; and

FIG. 7 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
1372378 March 1921 Walker
1597468 August 1926 Holehouse
2412459 December 1946 Stull
2825143 March 1958 Polivka
3069934 December 1962 Lunsford
3131583 May 1964 Hanley et al.
3264941 August 1966 Miraglia
3830585 August 1974 Nakada et al.
Patent History
Patent number: D254074
Type: Grant
Filed: Aug 11, 1978
Date of Patent: Jan 29, 1980
Inventor: Gerald D. Ringle (Michigan City, IN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Attorney: Marmaduke A. Hobbs
Application Number: 5/933,123
Classifications
Current U.S. Class: Element Or Attachment (D15/138)
International Classification: D1509;