CA398586A - Declanchement de la rotation de perforatrice a roc - Google Patents

Declanchement de la rotation de perforatrice a roc

Info

Publication number
CA398586A
CA398586A CA398586A CA398586DA CA398586A CA 398586 A CA398586 A CA 398586A CA 398586 A CA398586 A CA 398586A CA 398586D A CA398586D A CA 398586DA CA 398586 A CA398586 A CA 398586A
Authority
CA
Canada
Prior art keywords
rock drill
drill rotation
rotation release
release
rock
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
CA398586A
Other languages
English (en)
Inventor
O'farrell Matthew
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Publication date
Application granted granted Critical
Publication of CA398586A publication Critical patent/CA398586A/fr
Expired legal-status Critical Current

Links

CA398586A Declanchement de la rotation de perforatrice a roc Expired CA398586A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA398586T

Publications (1)

Publication Number Publication Date
CA398586A true CA398586A (fr) 1941-08-12

Family

ID=35409072

Family Applications (1)

Application Number Title Priority Date Filing Date
CA398586A Expired CA398586A (fr) Declanchement de la rotation de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA398586A (fr)

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