FR1435744A - Pit barrier lock for extraction installations - Google Patents

Pit barrier lock for extraction installations

Info

Publication number
FR1435744A
FR1435744A FR20427A FR20427A FR1435744A FR 1435744 A FR1435744 A FR 1435744A FR 20427 A FR20427 A FR 20427A FR 20427 A FR20427 A FR 20427A FR 1435744 A FR1435744 A FR 1435744A
Authority
FR
France
Prior art keywords
barrier lock
extraction installations
pit barrier
pit
installations
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
FR20427A
Other languages
French (fr)
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.)
Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
Original Assignee
Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
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 Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG filed Critical Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
Priority to FR20427A priority Critical patent/FR1435744A/en
Application granted granted Critical
Publication of FR1435744A publication Critical patent/FR1435744A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
FR20427A 1965-06-11 1965-06-11 Pit barrier lock for extraction installations Expired FR1435744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR20427A FR1435744A (en) 1965-06-11 1965-06-11 Pit barrier lock for extraction installations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR20427A FR1435744A (en) 1965-06-11 1965-06-11 Pit barrier lock for extraction installations

Publications (1)

Publication Number Publication Date
FR1435744A true FR1435744A (en) 1966-04-15

Family

ID=8581656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20427A Expired FR1435744A (en) 1965-06-11 1965-06-11 Pit barrier lock for extraction installations

Country Status (1)

Country Link
FR (1) FR1435744A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440930A3 (en) * 2003-01-15 2008-01-23 Hans & Jos. Kronenberg GmbH Door lock with emergency unlocking arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1440930A3 (en) * 2003-01-15 2008-01-23 Hans & Jos. Kronenberg GmbH Door lock with emergency unlocking arrangement

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