FR490239A - Improvements in electrical switches - Google Patents

Improvements in electrical switches

Info

Publication number
FR490239A
FR490239A FR490239DA FR490239A FR 490239 A FR490239 A FR 490239A FR 490239D A FR490239D A FR 490239DA FR 490239 A FR490239 A FR 490239A
Authority
FR
France
Prior art keywords
electrical switches
switches
electrical
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
William Ellerd-Styles
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.)
WILLIAM ELLERD STYLES
Original Assignee
WILLIAM ELLERD STYLES
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 WILLIAM ELLERD STYLES filed Critical WILLIAM ELLERD STYLES
Application granted granted Critical
Publication of FR490239A publication Critical patent/FR490239A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
FR490239D 1917-06-15 1918-05-24 Improvements in electrical switches Expired FR490239A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB862117A GB115721A (en) 1917-06-15 1917-06-15 Improvements in and relating to Electrical Switches.

Publications (1)

Publication Number Publication Date
FR490239A true FR490239A (en) 1919-04-09

Family

ID=32482315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR490239D Expired FR490239A (en) 1917-06-15 1918-05-24 Improvements in electrical switches

Country Status (2)

Country Link
FR (1) FR490239A (en)
GB (1) GB115721A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107045957B (en) * 2017-03-03 2020-08-14 漳州聚安美电气科技有限公司 Grease proofing structure of switch core, core subassembly and on-vehicle switch

Also Published As

Publication number Publication date
GB115721A (en) 1918-05-23

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