B - Operations – Transporting – 64 – C
Patent
B - Operations, Transporting
64
C
B64C 27/54 (2006.01)
Patent
CA 2677126
A bottom blade type vehicle includes a fixed screw-pitch leaf horizontally mounted taking a center axis as the center; a power part mounted above the leaf; a controlling part mounted under the leaf; a first and a second fixing plates and a first and a second protecting plates being crossed each other in a cross-shape taking the controlling part as the center, one end of the first and the second fixing plates and the first and the second protecting plates connected to the controlling part and the other end of them connected to a round frame; a bridge plate vertically fixedly mounted under the round frame; and a first and a second adjusting controlled by a controlling device of the controlling part, wherein the first and the second adjusting blades are mounted on the first and the second protecting plates respectively.
Choi Key Dong
Na
LandOfFree
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