with the path
O
will be the discharging edge
O
. It will now only be necessary to connect the locking corner
M
with it, and we have the lifting plane of the pallet; the discharging side of the pallet is then drawn parallel to the locking face and made a suitable length. We will now draw the locking edges of the tooth by placing the center of the protractor on the locking edge
M
and construct the angle
B M M′