FR424974A - Air lock for railway car doors - Google Patents

Air lock for railway car doors

Info

Publication number
FR424974A
FR424974A FR424974DA FR424974A FR 424974 A FR424974 A FR 424974A FR 424974D A FR424974D A FR 424974DA FR 424974 A FR424974 A FR 424974A
Authority
FR
France
Prior art keywords
railway car
air lock
car doors
doors
lock
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
Theodose Bodart
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.)
THEODOSE BODART
Original Assignee
THEODOSE BODART
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 THEODOSE BODART filed Critical THEODOSE BODART
Application granted granted Critical
Publication of FR424974A publication Critical patent/FR424974A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
    • E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means
FR424974D 1911-01-18 1911-01-18 Air lock for railway car doors Expired FR424974A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR424974T 1911-01-18

Publications (1)

Publication Number Publication Date
FR424974A true FR424974A (en) 1911-05-30

Family

ID=1467676

Family Applications (1)

Application Number Title Priority Date Filing Date
FR424974D Expired FR424974A (en) 1911-01-18 1911-01-18 Air lock for railway car doors

Country Status (1)

Country Link
FR (1) FR424974A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758913A (en) * 1996-02-20 1998-06-02 Securitron Magnalock Corp. Impact resistant electromagnetic lock
US6609738B1 (en) 1996-02-20 2003-08-26 Securitron Magnalock Corp. Electromagnetic door lock system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758913A (en) * 1996-02-20 1998-06-02 Securitron Magnalock Corp. Impact resistant electromagnetic lock
US6609738B1 (en) 1996-02-20 2003-08-26 Securitron Magnalock Corp. Electromagnetic door lock system

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