FR459493A - Roller avoidance device for mining machines - Google Patents

Roller avoidance device for mining machines

Info

Publication number
FR459493A
FR459493A FR459493A FR459493DA FR459493A FR 459493 A FR459493 A FR 459493A FR 459493 A FR459493 A FR 459493A FR 459493D A FR459493D A FR 459493DA FR 459493 A FR459493 A FR 459493A
Authority
FR
France
Prior art keywords
avoidance device
mining machines
roller
roller avoidance
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
FR459493A
Other languages
French (fr)
Inventor
Fernand Durez
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.)
FERNAND DUREZ
Original Assignee
FERNAND DUREZ
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 by FERNAND DUREZ filed Critical FERNAND DUREZ
Application granted granted Critical
Publication of FR459493A publication Critical patent/FR459493A/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
FR459493A 1912-07-25 1913-06-20 Roller avoidance device for mining machines Expired FR459493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE459493X 1912-07-25

Publications (1)

Publication Number Publication Date
FR459493A true FR459493A (en) 1913-11-06

Family

ID=1498979

Family Applications (1)

Application Number Title Priority Date Filing Date
FR459493A Expired FR459493A (en) 1912-07-25 1913-06-20 Roller avoidance device for mining machines

Country Status (1)

Country Link
FR (1) FR459493A (en)

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