FR597792A - roller guards for mining machines - Google Patents

roller guards for mining machines

Info

Publication number
FR597792A
FR597792A FR597792DA FR597792A FR 597792 A FR597792 A FR 597792A FR 597792D A FR597792D A FR 597792DA FR 597792 A FR597792 A FR 597792A
Authority
FR
France
Prior art keywords
mining machines
roller guards
guards
roller
mining
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
Other languages
French (fr)
Inventor
Joseph Rene Armand Bry
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR597792A publication Critical patent/FR597792A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
    • B66B5/10—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding electrical
FR597792D 1924-05-31 1925-05-09 roller guards for mining machines Expired FR597792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE597792X 1924-05-31

Publications (1)

Publication Number Publication Date
FR597792A true FR597792A (en) 1925-11-28

Family

ID=3874006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597792D Expired FR597792A (en) 1924-05-31 1925-05-09 roller guards for mining machines

Country Status (1)

Country Link
FR (1) FR597792A (en)

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