FR584009A - Improvements to locking devices for elevator doors - Google Patents

Improvements to locking devices for elevator doors

Info

Publication number
FR584009A
FR584009A FR584009DA FR584009A FR 584009 A FR584009 A FR 584009A FR 584009D A FR584009D A FR 584009DA FR 584009 A FR584009 A FR 584009A
Authority
FR
France
Prior art keywords
locking devices
elevator doors
elevator
doors
locking
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)
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.)
ELEVATOR SUPPLIES CO Inc
Original Assignee
ELEVATOR SUPPLIES CO Inc
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 ELEVATOR SUPPLIES CO Inc filed Critical ELEVATOR SUPPLIES CO Inc
Application granted granted Critical
Publication of FR584009A publication Critical patent/FR584009A/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
    • B66B13/22—Operation of door or gate contacts
FR584009D 1923-08-08 1924-07-25 Improvements to locking devices for elevator doors Expired FR584009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US584009XA 1923-08-08 1923-08-08

Publications (1)

Publication Number Publication Date
FR584009A true FR584009A (en) 1925-01-28

Family

ID=22016590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR584009D Expired FR584009A (en) 1923-08-08 1924-07-25 Improvements to locking devices for elevator doors

Country Status (1)

Country Link
FR (1) FR584009A (en)

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