3773997

Information

• Patent Grant
• 3773997

• References
• Source

• Patent Number

  3,773,997

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • B41J5/12 - Construction of key buttons
  • B41J5/16 - Mounting or connecting key buttons on or to key levers
  • H01H13/705 - characterised by construction, mounting or arrangement of operating parts
  • H01H1/2008 - Facilitate mounting or replacing contact bridge and pressure spring on carrier
  • H01H2003/028 - Rotating knob or lever or tumbler that can be turned or pushed by hand in only one direction
  • H01H2215/028 - alterable
  • H01H2215/034 - Separate snap action
  • H01H2221/026 - Guiding or lubricating nylon
  • H01H2221/044 - Elastic part on actuator or casing
  • H01H2227/028 - Key stroke
  • H01H2227/032 - Operating force
  • H01H2229/018 - Testing
  • H01H2229/044 - Injection moulding
  • H01H2233/02 - captured between assembled parts of support
  • H01H2233/058 - One degree of freedom
  • H01H2233/086 - Inserting
  • H01H2233/096 - with limited freedom
  • H01H2235/018 - Spring seat

• US Classifications

  • 200 - Electricity: circuit makers and breakers