CATAPULT Russian patent published in 1997 - IPC

FIELD: launching gliders, deltaplanes, etc. SUBSTANCE: catapult has launching platform secured on bearing arm, mechanism for turning the arm in vertical plane and damper. Catapult is provided with mechanism for locking the launching platform in launching position; this mechanism is made in form of truck with clamp and locking pipe; it is rigidly secured on platform pf rod bracket with spherical head for gripping the head by clamp of truck which is mounted in bed frame on sliders sliding in grooves of bed frame. Bearing arm of launching platform is made in form of four elastically flexural beams of equal resistance; mechanism for turning the bearing arm is made in form of drive shaft provided with actuator and two driven shafts connected with drive shaft by means of gear train. Lower ends of beams of bearing arm are rigidly secured on driven shafts; drive is provided with self-braking worm pair. Drive and driven shafts are mounted in bearings on common strut secured on fixed base; damper is made in form of locks of driven shafts. EFFECT: enhanced reliability. 2 dwg