74 / | HD | MACHINE ELEMENT OR MECHANISM |
* | DD | MECHANICAL MOVEMENTS {15} |
25 | DF | .~ Rotary to or from reciprocating or oscillating {20} |
29 | .~.~ Rack and pinion type {5} | |
30 | DF | .~.~.~> Shifting rack |
31 | DF | .~.~.~> Shiftable pinion |
32 | DF | .~.~.~> Segmental pinion |
33 | DF | .~.~.~> Alternately rotated pinion |
34 | DF | .~.~.~> Clutchable gears {1} |