The pickup arm assembly 600 further comprises an inwardly disposed clamping arm 640 attached preferably by welding to the inward end of said horizontal crossbeam tube 602 and an outwardly disposed clamping arm 642 is pivotally connected to said horizontal cross beam tube by {HEAD ~ use} of {TAIL ~ a clamping arm pivot} pin 644 
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The pickup arm assembly 600 further comprises an inwardly disposed clamping arm 640 attached preferably by welding to the inward end of said horizontal crossbeam tube 602 and an outwardly disposed clamping arm 642 is pivotally connected to said horizontal cross beam tube by { HEAD ~ use } of { TAIL ~ a clamping arm pivot } pin 644
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