| 摘要 |
FIELD: transport.SUBSTANCE: motor 12 is switched on to open the gate. Double-reduction worm gear drives gear element 5 to turn wheel 14 and gear 15 via axle 19 so that hinge 1 and ledge 18 turn at base 3 around sleeve 2. After their turn through 45 degrees, gate flaps get in position to allow vehicle passage there through.EFFECT: fast operation, decreased weight and overall dimensions, expanded operating performances.10 cl, 5 dwg |
