Roadway boundary block and road structure
AssigneeBridgestone Corporation
InventorShinichiro YAMAZAKI
Life of this patent
Estimating the term…
Abstract
To provide a roadway boundary block and a road structure capable of improving precision docking to a stop easily without depending on high driving ability of a driver. A roadway boundary block 100 includes an upper portion 120 arranged to be continued to a roadway 10. An incline of the upper portion 120 against a horizontal direction is larger than an incline of the roadway 10 against the horizontal direction in a road width direction. A width of the upper portion 120 along the road width direction is larger than a tire ground contact width of a bus 50 travelling on the roadway 10 and smaller than a tread of the bus 50.
Claims19
A roadway boundary block comprising:
- a base portion having an upper portion arranged to be continued to a roadway;
- and
- a curbstone portion raised from one end side of the base portion, wherein:
- an incline of the upper portion against a horizontal direction is larger than an incline of the roadway against the horizontal direction in a road width direction;
- and
- a width of the upper portion along the road width direction is larger than a tire ground contact width of a vehicle travelling on the roadway and smaller than a tread of the vehicle.
The roadway boundary block according to claim 24,
- wherein:
- a side portion of the curbstone portion at a side of the roadway comprises a first region located to be close to the upper portion, and a second region located above the first region;
- and
- the second region is gouged in a vertical direction and a horizontal direction and is formed by a vertical portion extended in the vertical direction and a horizontal portion extended in the horizontal direction.
A road structure comprising:
- a roadway on which a vehicle travels;
- and
- a curbstone arranged at a boundary of the roadway to form a level difference against the roadway,
- wherein:
- a road side portion continued to the roadway is arranged between the roadway and the curbstone;
- an incline of the road side portion against a horizontal direction is larger an incline of the roadway against the horizontal direction in a road width direction;
- and
- a width of the road side portion along the road width direction is larger than a tire ground contact width of the vehicle travelling on the roadway and smaller than a tread of the vehicle.
Dependencies are inferred from the claim text.