74 / | HD | MACHINE ELEMENT OR MECHANISM |
111 | DF | MECHANICAL MOVEMENTS (INTERMITTENT GRIP TYPE) {3} |
112 | DF | .~ Rotary to intermittent unidirectional motion {3} |
116 | DF | .~.~ Rotary crank or eccentric drive {4} |
118 | DF | .~.~.~ Lever transmitter {1} |
119 | .~.~.~.~ Adjustable leverage |