CA698901A - Dual rotation for rock drills - Google Patents

Dual rotation for rock drills

Info

Publication number
CA698901A
CA698901A CA698901A CA698901DA CA698901A CA 698901 A CA698901 A CA 698901A CA 698901 A CA698901 A CA 698901A CA 698901D A CA698901D A CA 698901DA CA 698901 A CA698901 A CA 698901A
Authority
CA
Canada
Prior art keywords
rock drills
dual rotation
dual
rotation
drills
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA698901A
Inventor
C. Curtis John
A. Parssinen Toimi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA698901A publication Critical patent/CA698901A/en
Expired legal-status Critical Current

Links

CA698901A Dual rotation for rock drills Expired CA698901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA698901T

Publications (1)

Publication Number Publication Date
CA698901A true CA698901A (en) 1964-12-01

Family

ID=36009167

Family Applications (1)

Application Number Title Priority Date Filing Date
CA698901A Expired CA698901A (en) Dual rotation for rock drills

Country Status (1)

Country Link
CA (1) CA698901A (en)

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