| 摘要 |
Locking wheel chocks for an automotive vehicle wheel consisting of a pair of wedges adapted to be disposed respectively for and aft of said wheel, in engagement with the ground surface and confronting the periphery of the wheel, a connector joining said wedges and adapted to extend alongside said wheel, a mechanism for shortening said connector whereby said wedges are driven tightly between said wheel periphery and said road surface, and a key-operated locking device for securing said connector releasably at any desired degree of extension, and for securing said chock device to said wheel.
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