1858 22 May 296/1 The amount of work lavished upon an ordinary ‘running part’ in its perch stays, bedwood on the hind axle, spring bars, and body loops, is not less than from $20 to $30.
a1884 E. H. Knight Suppl. 667/2 Perch stays, side rods acting as braces, passing from the perch to the hind axle.