Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B17/00—Wheels characterised by rail-engaging elements
  • B60B17/0027—Resilient wheels, e.g. resilient hubs
  • B60B17/0031—Resilient wheels, e.g. resilient hubs using springs
  • B60B17/0034—Resilient wheels, e.g. resilient hubs using springs of rubber or other non-metallic material
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
  • H01H71/10—Operating or release mechanisms
  • H01H71/12—Automatic release mechanisms with or without manual release
  • H01H71/24—Electromagnetic mechanisms
  • H01H71/26—Electromagnetic mechanisms with windings acting in opposition
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
  • H01H71/10—Operating or release mechanisms
  • H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=6547468

Family Applications (1)

Country Status (2)

• 0
  • BE BE510595D patent/BE510595A/xx unknown
• 1938
  • 1938-01-01 GB GB42/38A patent/GB510595A/en not_active Expired

Also Published As

Similar Documents