2.
3.
HARDWOOD
BOARI)
UPPER-
(MOVING
dii:
DIRECTION Ol ROTATION
MOTION OK RAM AND UPPER DIF.
ROLLERS
-LINEAR Gt IDI
IIARDWOOD-BOARD
ROLLERS
r ROLLERS
FRICTION ROLLERS RAISE BOARD. RAM \ND UPPER SECTION OF THE Dlii
WHEN THE RAM REACIIES THE CORRECT IIEIGHT, THE ROLLERS RELEASE THE BOARD. APPARATUS ACCELERATES TOWAR DS WORK AND I.OWER DIF.
RAM AND UPPER SECTION Ol THE DII C Ol I IDI WITH WORK W I) ŁOWI R DII . KIM I IC I NI RGY DISSIPATED FORMS PART