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Patent
   D266521
Priority
Nov 02 1979
Filed
Apr 29 1980
Issued
Oct 12 1982
Expiry
Oct 12 1996
Inventors
Gustafsson…
Assg.orig
Fagersta AB
Assg.curr
Fagersta AB
Entity
unknown
Referenced by
12
References
4
Maint.:
n/a
The ornamental design for a shank adapter for a rock drilling machine, substantially as shown.

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.
INVENTORS:

Gustafsson, Gosta C.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
7438138, Sep 27 2002 Epiroc Rock Drills Aktiebolag Impact adapter for transfer of impacts and rotation from an impact rock drilling machine to a drill string
D271206, Mar 11 1981 Melvin C., Bell Detent coupled drill bit adapter
D282666, Sep 27 1982 OY TAMPELLA AB PL 256 Shank adaptor for a rock drill
D353823, Dec 10 1992 ESAB GROUP, INC , THE Nozzle insert for use in metal scarfing apparatus
D508061, Feb 05 2003 Sandvik Tamrock Oy Shank adapter of rock drilling machine
D525634, Feb 05 2003 Sandvik Tamrock Oy Shank adapter of rock drilling machine
D750509, Mar 14 2011 Tool Joint Products LLC Downhole sensor tool
D774117, May 12 2015 PMAX ENERGY SERVICES INC Drive shaft assembly for a mud motor
ER2120,
ER5134,
ER8624,
ER9578,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3521507,
4019590, Mar 03 1975 ILLINOIS WATER TREATMENT COMPANY, A DE CORP Method of roof drilling
817377,
234624,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 29 1980Fagersta AB(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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