SKID-TYPE LANDING GEAR LEG OR SKID-TYPE TAIL UNDERCARRIAGE (VERSIONS) AND CARTRIDGE DEVICE FOR THIS LEG Russian patent published in 2000 - IPC

FIELD: flying vehicles. SUBSTANCE: skid-type landing gear leg or skid-type tail undercarriage includes at least two hinge pins movable to each other under action of impact load applied to leg and cartridge device which is engageable with hinge pins. Cartridge device includes body and extensible piston unit. Body and piston unit form together bearing surfaces directed towards each other; these bearing surfaces transmit loads to energy absorbing device. Energy absorbing device takes up impact load transmitted by bearing surfaces. Cartridge includes also indication unit showing change in definite size ((L_c)) of energy absorbing unit, thus characterizing the amount of impact load exerted on leg of skid-type landing gear or tail undercarriage. EFFECT: possibility of perception of impact loads exerted on tail section of flying vehicle and/or absorbing and dissipating energy. 11 cl, 5 dwg