FR480729A - Safety devices for elevators - Google Patents

Safety devices for elevators

Info

Publication number
FR480729A
FR480729A FR480729DA FR480729A FR 480729 A FR480729 A FR 480729A FR 480729D A FR480729D A FR 480729DA FR 480729 A FR480729 A FR 480729A
Authority
FR
France
Prior art keywords
elevators
safety devices
safety
devices
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
John Tefft Clarke
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR480729A publication Critical patent/FR480729A/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
FR480729D 1916-01-21 1916-01-21 Safety devices for elevators Expired FR480729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR480729T 1916-01-21

Publications (1)

Publication Number Publication Date
FR480729A true FR480729A (en) 1916-09-14

Family

ID=1517931

Family Applications (1)

Application Number Title Priority Date Filing Date
FR480729D Expired FR480729A (en) 1916-01-21 1916-01-21 Safety devices for elevators

Country Status (1)

Country Link
FR (1) FR480729A (en)

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