lever at the front of the machine.This lever is interconnected with the lever which dis-engages the friction clutch. When the tapping lever is moved from forward to re-verse position, or vice versa, the first part of the move-ment disengages the friction clutch driving the machine.Further motion of… … multiple :</iindIe machine for drilling and tapping of the tapping lever allows the friction clutch to againengage, and the power is then transmitted through thepositive clutches, driving the spindles in the reversedirection. Special provision is made against the possi-bility of the teeth of the…
Automobiles · Aeronautics
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