Update #2:
Quote:
<R19> ROBOTS must be designed so that in normal operation BALLS cannot extend more than 3 inches inside:
a) the FRAME PERIMETER below the level of the bumper zone (see figure 8-5)
b) a MECHANISM or feature designed to deflect balls in a controlled manner that is above the level of the BUMPER ZONE
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This certainly puts a kink in these plans. The added difficulty depends on if they're making it:
a) 3 inches from a vertical right prism containing all the parts of the mechanism (ie, if you're looking down at it, is it 3 inches past the edge of the mechanism)
b) 3 inches inside some sort of other projection of the mechanism. Like if you had a slide with 2" walls at a 45deg tilt. Wouldn't pass the first test, would pass this one.