| 摘要 |
A door sill assembly comprises a door sill, which comprises: a sill crown comprising an upper longitudinal ridge, a drain trough interior of the longitudinal ridge having one or more upper drain apertures defined therein, and an internal, inclined drainage surface defining a drainage channel in fluid communication with the one or more upper drain apertures and one or more lower drain apertures defined in an exterior surface of the longitudinal ridge; a sill tread defining a stepping surface; and a sill support at least partially supporting the sill crown and the sill tread. Each of the sill crown, the sill tread, and the sill support are separately formed. |
