| 摘要 |
A wheel chock restraint system which comprises a wheel chock having a base, a plurality of teeth extending outwardly from the base, the teeth extending in a first direction, and a locking member mounted within the chock, the locking member having a plurality of locking member teeth extending from a bottom thereof, the locking member teeth extending in a second direction generally opposed to the first direction, and an arrangement for moving the locking member in a generally vertical direction. |
