The representation of FIGS 2 and 3 illustrates the bar 12 in a most forward position, in which the rear end located stop pin 20 abuts {HEAD ~ a rear ledge} of {TAIL ~ the lower support} 32 and prevents the biasing spring 76 from forwardly displacing the bar 12 out of contact with the housing 
The representation of FIGS 2 and 3 illustrates the bar 12 in a most forward position , in which the rear end located stop pin 20 abuts { HEAD ~ a rear ledge } of { TAIL ~ the lower support } 32 and prevents the biasing spring 76 from forwardly displacing the bar 12 out of contact with the housing
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