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U.S. Department of Energy
Office of Scientific and Technical Information

Mining bit with improved split ring retainer

Patent ·
OSTI ID:6137841
In a mining machine or the like which incorporates cutting bits having conically shaped heads and located in sockets of bit holders having respective wear sleeves located on the shanks of the bits with the bit free to rotate with the sleeve interposed between the socket preventing wear mount; a retainer is provided maintained by the mount and engageable with a receptacle on the sleeve to insure against undesired ejection of the bit.
Assignee:
EDB-85-014365
Patent Number(s):
US 4462638
OSTI ID:
6137841
Country of Publication:
United States
Language:
English