Channel drill and bolt combination


FIG. 1 is a front elevational view of a channel drill and bolt combination embodying my new design; the rear being identical;

FIG. 2 is a sectional view taken along the direction of the arrows on line 2--2 of FIG. 1;

FIG. 3 is a side-elevational view taken from the right of FIG. 1, the side opposite being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
1630602 May 1927 Blanco
3699841 October 1972 Lanius
3710676 January 1973 Ringland
3738218 June 1973 Gutshall
3739682 June 1973 Siebol
3739682 June 1973 Siebol et al.
3884117 May 1975 Eager
3982464 September 28, 1976 Sygnator
4028987 June 14, 1977 Wilson
4034641 July 12, 1977 Williams et al.
Patent History
Patent number: D260525
Type: Grant
Filed: Dec 4, 1978
Date of Patent: Sep 1, 1981
Inventor: Will M. Lassiter (High Point, NC)
Primary Examiner: B. J. Bullock
Application Number: 5/966,479
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139); D/8387; D/8388
International Classification: D1509; D0808;