Coupling for use with boring tool or bit
Description
FIG. 1 is a bottom perspective view of a coupling for use with a boring tool or bit showing my new design.
FIG. 2 is a top perspective view thereof;
FIG. 3 is a reduced exploded top view thereof;
FIG. 4 is a reduced exploded bottom perspective view thereof.
Referenced Cited
Patent History
Patent number: D289405
Type: Grant
Filed: Jun 22, 1984
Date of Patent: Apr 21, 1987
Inventor: Rune Nystrom (S-781 32 Borlange)
Primary Examiner: B. J. Bullock
Law Firm: Gifford, Groh, VanOphem, Sheridan, Sprinkle and Dolgorukov
Application Number: 6/623,382
Type: Grant
Filed: Jun 22, 1984
Date of Patent: Apr 21, 1987
Inventor: Rune Nystrom (S-781 32 Borlange)
Primary Examiner: B. J. Bullock
Law Firm: Gifford, Groh, VanOphem, Sheridan, Sprinkle and Dolgorukov
Application Number: 6/623,382
Classifications
