FIELD: transport.
SUBSTANCE: roadway gate for forced retention of road transport contains bar with hollow part in which thorns are located under spring pressure. Walls of bar hollow part have thinning in the form of rings. When road transport acts on hollow part the thorns are ejected by springs onto roadway to puncture tires.
EFFECT: perfected design.
1 dwg
Title | Year | Author | Number |
---|---|---|---|
SYSTEM OF AUTOMATED CONTROL OVER LEVEL CROSSING GATE | 2012 |
|
RU2528513C2 |
RAIL CROSSING PROTECTION DEVICE | 1992 |
|
RU2066649C1 |
RAILWAY CROSSING SIGNAL CONTROL SYSTEM | 2017 |
|
RU2662306C1 |
CROSSING GUARDING DEVICE | 0 |
|
SU1799794A1 |
RAILWAY CROSSING AUTOMATIC PROTECTION DEVICE | 1997 |
|
RU2137644C1 |
RAILWAY CROSSING PROTECTION DEVICE | 1997 |
|
RU2156199C2 |
RAIL CROSSING | 0 |
|
SU969805A1 |
APPARATUS FOR CONTROLLING TRAIN TRAFFIC ON RAILWAY CROSSING USING RADIO CHANNEL | 2012 |
|
RU2519607C1 |
CROSSING GATE | 2003 |
|
RU2229405C1 |
RAILWAY CROSSING BARRIER | 1994 |
|
RU2081773C1 |
Authors
Dates
2015-02-10—Published
2012-07-03—Filed