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
  • H01H9/045—Explosion-proof cases with interlocking mechanism between cover and operating mechanism
• • 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
• • 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
  • H01H9/20—Interlocking, locking, or latching mechanisms
  • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts

Applications Claiming Priority (1)

Publications (1)

Family

ID=31893975

Family Applications (1)

Country Status (4)

• 0
  • NL NL38990D patent/NL38990B/xx unknown
  • BE BE346136D patent/BE346136A/xx unknown
• 1927
  • 1927-11-15 FR FR643859D patent/FR643859A/fr not_active Expired
• 1928
  • 1928-03-12 GB GB7616/28A patent/GB290595A/en not_active Expired

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