PNEUMATIC LOADER Russian patent published in 1994 - IPC

FIELD: agricultural engineering. SUBSTANCE: pneumatic loader has frame 1 with rigidly fitted on centrifugal fan 2. L-shaped turnable pneumatic pipe 3 with intake member 4 is connected to suction hole of centrifugal fan. Pneumatic pipe 3 is lifted and lowered owing to engagement of support 5 and lever 11 operated by hydraulic cylinder. Support 5 is made in form of round rod whose ends are secured through brackets 6 on pneumatic pipe 3. Two sliders move between brackets when pneumatic pipe is being lifted and lowered, i. e. during operation. Sliders are installed by means of axles 8 in ∧-shaped shackle 9 which embraces support 5 with clearance. Lower part of ^-shaped shackle on axle 10 is secured on lever 11 by means of spherical joint. EFFECT: enlarged operating capabilities. 3 dwg