intermediate slat 12 likewise drive slat pin section 113 has a drive slat second wheel edge 123 corresponding to second wheel edge 59 of intermediate slat 12 the three exceptions are first drive slat slotted section outer edge 97 and drive slat pin section outer edge 98 are smooth in marked contrast to the crenelated edges of slot section second crenelated edge 30 fig6 and pin section second crenelated edge 55 second drive slat 89 features a first rack connection mount 109 and a second rack connection mount 125 to facilitate connection to a drive mechanism and third a motor control stop rod 111 is attached to drive slot section 91 to de energize the drive mechanism upon full retraction of shield assembly 10 details are further clarified in the broken partial top view of drive slot section 91 fig1 and the broken partial end side view of drive slot section 91 fig1 fig1 and fig1 provide more detail for first rack connection mount 109 showing the mount to be tubiform for receiving a mechanical connection from the drive mechanism and also showing a first wheel 36 and associated first wheel tubiform axle 38 inserted in the merlon bores 28 of merlons 26 fig1 assembled top view and fig1 exploded top view depict the dashboard skirt slat 65 which is attached via a wheel and dual axle assembly 49 fig1 fig1 to the bottom most intermediate slat.