CA846971A - Safety sentinel for mine hoists - Google Patents

Safety sentinel for mine hoists

Info

Publication number
CA846971A
CA846971A CA846971A CA846971DA CA846971A CA 846971 A CA846971 A CA 846971A CA 846971 A CA846971 A CA 846971A CA 846971D A CA846971D A CA 846971DA CA 846971 A CA846971 A CA 846971A
Authority
CA
Canada
Prior art keywords
sentinel
safety
mine hoists
hoists
mine
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
CA846971A
Inventor
Deh. Eastcott Peter
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA846971A publication Critical patent/CA846971A/en
Expired legal-status Critical Current

Links

CA846971A Safety sentinel for mine hoists Expired CA846971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA846971T

Publications (1)

Publication Number Publication Date
CA846971A true CA846971A (en) 1970-07-14

Family

ID=36331194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA846971A Expired CA846971A (en) Safety sentinel for mine hoists

Country Status (1)

Country Link
CA (1) CA846971A (en)

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