Appeal No. 2000-1514 Page 5
Application No. 09/038,450
driveway, and an operative position where the chock extends
upwardly above the driveway and is disposed to engage a wheel
of a vehicle. The wheel chock is moved between the storage
and operative positions by a drive mechanism that is located
within the trough and includes a lead screw. A nut is
threaded on the lead screw and is connected to the wheel chock
via a rigid link. Rotation of the lead screw will move the
chock between the storage and operative positions.
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Last modified: November 3, 2007