2.0 20 30 1.75 2.0 02 FIGURE P3-22 Problem 3-93 04 3.8 3-90 Design a fourbar mechanism to give the three positions shown in Figure P3-21 using the fixed pivots O2 and 04 shown. 3-91 Design a fourbar Grashof crank-rocker for 60 degrees of output rocker motion with a quick-return time ratio of 1:1.25. 3-92 Design a crank-shaper quick-return mechanism for a time ratio of 1:4 (Figure 3-14). 3-93 Figure P3-22 shows a non-Grashof fourbar linkage that is driven from link OA. All dimensions are in inches (in). (a) Find the transmission angle at the position shown. (b) Find the toggle positions in terms of angle A0204.