(0)B64C:0/5:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
AEROPLANES; HELICOPTERS
B64C
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B 64 C

 AEROPLANES; HELICOPTERS (air-cushion vehicles B 60 V)
 

Note
 

As far as possible, classification is made according to constructional features; classification according to particular kinds of aircraft is normally regarded as being of secondary importance, except in cases where this is considered to be the characteristic feature. [3]

 

 

 

Aircraft structures or fairings (boundary-layer controls B 64 C 21/00)
 

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/ 00 Fuselages; Constructional features common to fuselages, wings, stabilising surfaces, or the like (aerodynamical features common to fuselages, wings, stabilising surfaces, or the like B 64 C 23/00; flight-deck installations B 64 D)

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/ 06 • Frames; Stringers; Longerons  

1
/ 08 • • Geodetic or other open-frame structures  

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/ 10 • • Bulkheads  

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/ 12 • • Construction or attachment of skin panels  

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/ 14 • Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens (fairings movable in conjunction with undercarriage elements B 64 C 25/16; bomb doors B 64 D 1/06)  

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/ 16 • specially adapted for mounting power plant  

1
/ 18 • Floors  

1
/ 20 • • specially adapted for freight  

1
/ 22 • Other structures integral with fuselages to facilitate loading  

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/ 24 • Steps mounted on, and retractable within, fuselages (readily removable B 64 D 9/00)  

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/ 26 • Attaching the wing or tail units or stabilising surfaces  

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/ 28 • Parts of fuselage relatively movable to improve pilots view  

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/ 30 • Parts of fuselage relatively movable to reduce overall dimensions of aircraft  

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/ 32 • Severable or jettisonable parts of fuselage facilitating emergency escape (ejector seats B 64 D 25/10)  

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/ 34 • comprising inflatable structural components (connection of valves to inflatable elastic bodies B 60 C 29/00)  

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/ 36 • adapted to receive aerials or radomes (aerials or radomes per se H 01 Q)  

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/ 38 • Constructions adapted to reduce effects of aerodynamic or other external heating  

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/ 40 • Sound or heat insulation  
 

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/ 00 Wings (stabilising surfaces B 64 C 5/00; ornithopter wings B 64 C 33/02)

3
/ 10 • Shape of wings  

3
/ 14 • • Aerofoil profile  

3
/ 16 • • Frontal aspect  

3
/ 18 • Spars; Ribs; Stringers (attaching wing unit to fuselage B 64 C 1/26)  

3
/ 20 • Integral or sandwich constructions (layered products or sandwich constructions in general B 32 B)  

3
/ 22 • Geodetic or other open-frame structures  

3
/ 24 • Moulded or cast structures  

3
/ 26 • Construction, shape, or attachment of separate skins, e.g. panels  

3
/ 28 • Leading or trailing edges attached to primary structures, e.g. forming fixed slots  

3
/ 30 • comprising inflatable structural components (connection of valves to inflatable elastic bodies B 60 C 29/00)  

3
/ 32 • specially adapted for mounting power plant  

3
/ 34 • Integrally-constructed tanks, e.g. for fuel (other aircraft fuel tanks or fuel systems B 64 D)  

3
/ 36 • Structures adapted to reduce effects of aerodynamic or other external heating  

3
/ 38 • Adjustment of complete wings or parts thereof  

3
/ 40 • • Varying angle of sweep  

3
/ 42 • • Adjusting about chordwise axes  

3
/ 44 • • Varying camber  

3
/ 46 • • • by inflatable elements (connection of valves to inflatable elastic bodies B 60 C 29/00)  

3
/ 48 • • • by relatively-movable parts of wing structures  

3
/ 50 • • • by leading or trailing edge flaps (ailerons B 64 C 9/00)  

3
/ 52 • • Warping  

3
/ 54 • • Varying in area (flaps extendable to increase camber B 64 C 3/44)  

3
/ 56 • • Folding or collapsing to reduce overall dimensions of aircraft  

3
/ 58 • provided with fences or spoilers (adjustable for control purposes B 64 C 9/00)  
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