How to transfer ClockworkMod backup to PC?
Try:

adb pull /sdcard/0/clockworkmod/backup C:\Users\ArtyNinja\Documents\Backup\1970-01-01.10.07.09_LXB22.46-28.1\


or

adb pull /sdcard/clockworkmod/backup C:\Users\ArtyNinja\Documents\Backup\1970-01-01.10.07.09_LXB22.46-28.1\