Flexible support arm for a dental unit
FIG. 1 is a top perspective view of a flexible support arm for a dental unit showing my new design; 
     FIG. 2 is a top plan view in an alternate position; 
     FIG. 3 is a side elevation thereof; 
     FIG. 4 is a bottom plan view thereof; 
     FIG. 5 is a rear end elevational thereof; 
     FIG. 6 is a cross-section taken on line 6--6 of FIG. 3; 
     FIG. 7 is a cross-section taken on line 7--7 of FIG. 3; 
     FIG. 8 is a front end elevation; 
     FIG. 9 is a top plan view taken at a reduced scale in an alternative position; 
     FIG. 10 is a top plan view taken at a reduced scale in a further alternative position; 
     FIG. 11 is a side elevation taken on a reduced scale in an alternative position; and 
     FIG. 12 is a side elevation taken at a reduced scale in a further alternative position. 
     The broken lines are shown for illustrative purposes only.