Richmond times-dispatch. [volume] (Richmond, Va.) 1914-current, 1917-07-29
s|MP1|E|ED LESSONS ON
PROPER CARE OF AUTOS
Intimate Talk on Working Units Dis
cussed In Way That Laymen
Can Understand.
DISC CLUTCH Is DESCRIBED
In Example Shown Magnetic and
Transmission Arc Placed Between
Engine and Clutch-Hand Lever
and Pedal Used to Take Pressure.
LESSON NO 40.
The Ford Clutch,

,, Inc FORD Clutch.
copyrighted. 1917. Fred. c. Guerrlich. /,
Inc Ford clutch is n disc clutch, and
aiHers but little from the disc clutches
used In cars which are equipped with
the siiding-gcar transmission.
You Will recall that in the car,
EQUIPPED with the sliding-gear trans.
mission and disc clutch, the clutch
was built into the fywheel of the
engine and that 1t was tho next uni,
la IL. This liz not the case in the
car az. In 1t. tho magnetic and
.rah,smission arc placed between the
engine and the clutch.
:, F1sure shows the transmission
lou VIII remember that tho drum Ill
connected to the rear wheels. by
means OF tho driving plato tM).
III the Inside OF this drum I'D has
ISo.ehed to 1t number of keys. as
SHOWN In Fig. 2. lettered tA), and n
no'ner drum. tN) Figs. and 2, hav-
ms key-ways on its outside. as {B)
FIG. be fastened to the engine driven
smart CID. then all that viii be neces-
oary 10 make disc clutch will be
" nave Two sets of discs one fitting
INTO the keys Of the brake or driven
arum 'N) and another. alternating set,
Ing Keys which At into the key
th. g" on me driving drum (N), and
.neh nave some means to apply a pres
sure on the discs. or to take the pres
oure off at tho will of the generator
.ne discs are shown in Fig. l. the
driven discs (S).
hiKo all clutches, the discs are press.
"s elher by spring. and the pres.
sure Is taken off the discs by moan.
OF foot-pedal. In the Ford car. how
eyer hand lever is also used to take
me pressure OF the sprinE OF tho
DISCS SO that the clutch can he dis
engaged by pressing down on the foot
PEDAL or by pulling on the lever. This
ever also applies the emergency
brake.
Let US see how the spring Is used to
press the discs together. and how tho
pressure OF 1t IS taken of the disc.
risure shows what is called the
clutch push ring. This Ia Sc, against
inc discs. while the pins on il pass
through holes in the driving plate tM)
IL we can devise some means for or
eiunE a pressure on th<se pins then
the discs Will be pressed together and
because or the friction between their
surfaces they Will hold SO firmly thar
they VIII move as though they were
one piece. Thus the drum Oh will
De driven from the drum (N). which.
IN turn tbeing attached to the shaft
ODD, Is driven from the engine Al
the drum G) is attached to The driy.
ing plate (M. which is connected 10
the rear wheels through the pronel-
LOT smart, etc. the drive from the
engine VIII be direct. no transmission
gears being brought into the drive.
In order to have the pressure OF
the spring cScrtcd on the pins of tho
push plate, hinged levers are fastened
10 the driving plate. the middle por
tion OF which press against the pins.
while the free ends arc held In a
collar. This collar is pressed for
ward by the spring.
Figure shows the spring. the coll
Jar 90 and the levers. You will note
tnat there arc screws on the levers
~hlch press against the push ring