CPC B64C25/36

CPC B64C25/36 is a patent technology category for Arrangements or adaptations of wheels, tyres, or axles in landing gear.

Partial tree of surrounding classifications:

• CPC B64C25/00 Alighting gear (air-cushion alighting gear CPC B60V3/08)
  • CPC B64C25/32 characterised by the ground or like engaging elements (arrester hooks CPC B64C25/68)
    • CPC B64C2025/325 specially adapted for helicopters
    • CPC B64C25/34 wheeled type, e.g. multi-wheeled bogies
      • CPC B64C2025/345 Multi-wheel bogies having one or more steering axes
      • CPC B64C25/36 Arrangements or adaptations of wheels, tyres, or axles in general (construction of wheels or axles CPC B60B; construction of tyres in general CPC B60C)
    • CPC B64C25/38 endless-track type
    • CPC B64C25/40 the elements being rotated before touch-down
      • CPC B64C25/405 Powered wheels, e.g. for taxing
    • CPC B64C25/42 Arrangements or adaptations of brakes (the ground braking force being regulated, at least in part, by a speed condition, e.g. acceleration or deceleration of the ground engaging alighting gear, CPC B60T8/32)
      • CPC B64C25/423 Braking devices acting by reaction of gaseous medium (CPC B64C25/426 takes precedence; using rockets CPC B64D27/023)
      • CPC B64C25/426 Braking devices providing an automatic sequence of braking
      • CPC B64C25/44 Actuating mechanisms
        • CPC B64C25/445 Brake regulators for preventing somersaulting
        • CPC B64C25/46 Brake regulators for preventing skidding or aircraft somersaulting (anti-skidding regulators; electric or electronic controllers therefor CPC B60T8/1703)
        • CPC B64C25/48 differentially operated for steering purposes
    • CPC B64C25/50 Steerable undercarriages; Shimmy damping (steering devices applicable to land vehicles CPC B62D)
      • CPC B64C25/505 Shimmy damping
    • CPC B64C25/52 Skis or runners
    • CPC B64C25/54 Floats
      • CPC B64C25/56 inflatable (connection of valves to inflatable elastic bodies CPC B60C29/00)
    • CPC B64C25/58 Arrangements or adaptations of shock-absorbers or springs (shimmy dampers CPC B64C25/50; vehicle suspension arrangements in general CPC B60G; shock absorber per se CPC F16F)
      • CPC B64C25/60 Oleo legs
      • CPC B64C25/62 Spring shock-absorbers; Springs
        • CPC B64C25/64 using rubber or like elements
    • CPC B64C25/66 Convertible alighting gear; Combinations of different kinds of ground or like engaging elements

References

Patents in category CPC B64C25/32

• Patent US-1913-1077258 (Inventors: Hurshel R Coffman, Filing date: 1912-02-12)
• Patent US-1918-1296770 (Inventors: Glenn Hammond Curtiss, Filing date: 1918-04-05, Applicant firm: Curtiss Aeroplane)

Enclosing categories	CPC B64C25/34, CPC B64C25/32
Subcategories
Keywords	Landing, Landing gear, Wheels
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