CA856089A - Electro-hydraulic parallel motion means for drill boom supported rock drilling apparatus - Google Patents

Electro-hydraulic parallel motion means for drill boom supported rock drilling apparatus

Info

Publication number
CA856089A
CA856089A CA856089A CA856089DA CA856089A CA 856089 A CA856089 A CA 856089A CA 856089 A CA856089 A CA 856089A CA 856089D A CA856089D A CA 856089DA CA 856089 A CA856089 A CA 856089A
Authority
CA
Canada
Prior art keywords
electro
drilling apparatus
rock drilling
parallel motion
drill boom
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
CA856089A
Inventor
A. Westerlund Bengt
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
Publication date
Application granted granted Critical
Publication of CA856089A publication Critical patent/CA856089A/en
Expired legal-status Critical Current

Links

CA856089A Electro-hydraulic parallel motion means for drill boom supported rock drilling apparatus Expired CA856089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA856089T

Publications (1)

Publication Number Publication Date
CA856089A true CA856089A (en) 1970-11-17

Family

ID=36341634

Family Applications (1)

Application Number Title Priority Date Filing Date
CA856089A Expired CA856089A (en) Electro-hydraulic parallel motion means for drill boom supported rock drilling apparatus

Country Status (1)

Country Link
CA (1) CA856089A (en)

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