FR394297A - Device for automatically opening doors, specially designed for theaters and other premises - Google Patents

Device for automatically opening doors, specially designed for theaters and other premises

Info

Publication number
FR394297A
FR394297A FR394297DA FR394297A FR 394297 A FR394297 A FR 394297A FR 394297D A FR394297D A FR 394297DA FR 394297 A FR394297 A FR 394297A
Authority
FR
France
Prior art keywords
theaters
premises
specially designed
automatically opening
opening doors
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
Lorenz Effenberger
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 FR394297A publication Critical patent/FR394297A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/10—Locks or fastenings for special use for panic or emergency doors

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
FR394297D 1908-09-15 1908-09-15 Device for automatically opening doors, specially designed for theaters and other premises Expired FR394297A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR394297T 1908-09-15

Publications (1)

Publication Number Publication Date
FR394297A true FR394297A (en) 1909-01-19

Family

ID=1439550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394297D Expired FR394297A (en) 1908-09-15 1908-09-15 Device for automatically opening doors, specially designed for theaters and other premises

Country Status (1)

Country Link
FR (1) FR394297A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645580A1 (en) * 1989-04-10 1990-10-12 Somenor Sa Mechanical device for commanding the opening of a door and door provided with this device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645580A1 (en) * 1989-04-10 1990-10-12 Somenor Sa Mechanical device for commanding the opening of a door and door provided with this device

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