a carriage assembly comprising a front stop support plate extending between the first and second lateral support plates, {HEAD ~ a first carriage member} movably connecting {TAIL ~ the front stop support plate} to the first lateral support plate, and a second carriage member movably connecting the front stop support plate to the second lateral support plate 
a carriage assembly comprising a front stop support plate extending between the first and second lateral support plates , { HEAD ~ a first carriage member } movably connecting { TAIL ~ the front stop support plate } to the first lateral support plate , and a second carriage member movably connecting the front stop support plate to the second lateral support plate
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH