... at01, arc 5-6 with center at 04, arc 7- 1 withcenter at 01, and the straight lines 2-3 and6 -7. The method calls for a combinationof drilling, lathe turning, and templatefiling.First, small holes ... curves, and (B)basic cycloidal curves.Fig. 7 A technique formachining circular-arccams. Radii r 2and r5areturned on a lathe; hard-ened templates areadded to r1, r3, and r4forfacilitating hand filing.Sclater ... maximumvalue when links II and III come into toggle.Sclater Chapter 7 5/3/01 12:33 PM Page 212213SIXTEEN LATCH, TOGGLE, AND TRIGGER DEVICESDiagrams of basic latching and quick-release mechanisms.Fig....