Shank adapter for a rock drilling machine

- Fagersta AB
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Description

FIG. 1 is a side elevational view of the shank adapter for a rock drilling machine showing my new design, all sides being identical except for the omission of the side flushing hole;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D234624 March 1975 Adolfsson
817377 April 1906 Kootz et al.
3521507 July 1970 Yogus et al.
4019590 April 26, 1977 Hansen et al.
Patent History
Patent number: D266521
Type: Grant
Filed: Apr 29, 1980
Date of Patent: Oct 12, 1982
Assignee: Fagersta AB (Fagersta)
Inventor: Gosta C. Gustafsson (Norberg)
Primary Examiner: B. J. Bullock
Application Number: 6/144,853
Classifications
Current U.S. Class: Element Or Attachment (D15/138); Drilling (7) (D15/132); Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: D1509;