close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2406049

код для вставки
Aug- 20, 1946-‘
w. v. THELANDER
' 2,406,049
_ AUTOMATIC CLUTCH
Filed May.3, 1944
2 Sheets-Sheet; 1
Aug. 20, 1946.
w. v.~ THELANDER
AUTOMATIC
CLUTCH
Filed May 5, 1944
'
- 2,406,0u49
'
2 Sheets-Sheet "2
’
2,406,049
Patented Aug. 20, 1946
UNITED STATES PATENT OFFICE‘
2,406,049
AUTOMATIC CLUTCH
W. Vincent Thelander, Auburn, Ind.
Application May 3, 1944, Serial No. 533,817
15 Claims. (01. 192-105)
1
This invention relates to automatic clutches for
automotive use generally.
In Patent #1,985,301, issued December 25, 1934,
in which I am a co-inventor, pressure-transmit
ting levers are disclosed, each cooperating with an
2
Fig. 3 is a similar, but fragmentary, section
showing the clutch engaged.
The same reference numerals are applied to
corresponding parts throughout these views.
Referring ?rst mainly to Figs. 1 and 2, the
reference numeral 4 designates a fly-wheel
actuating spring in a novel manner, so as to ob
mounted in the usual way, as indicated at 5, on
tain pressure multiplication for positive engage
the rear end of the engine crankshaft B, where
ment of the clutch. It is the principal object of
by to constitute the driving element A shaft,
my present invention to provide an automatic
clutch utilizing pressure-transmitting levers of a
indicated at 1, constitutes the driven element and
extends rearwardly into ‘the gear box of the
somewhat similar type, to obtain pressure multi
transmission, there being a housing about the
plication for a similar purpose, the present clutch,
?y-wheel and clutch assembly at the front end
however, including a spring loading ring in com
of the gear box, as is Well known. The clutch
bination with the pressure-transmitting levers,
arranged to be moved in the spring loading di 15 comprises a disc 8, carried on a hub splined on
the front end of the shaft 7 in the usual Way,
rection by means of a plurality of centrifugal
?y-weights.
and a pressure plate 9 arranged to engage the
disc 8 with the fly-wheel 4. In the ordinary, con
ventional, non-automatic clutch, a plurality of
which the centrifugal fly-weights are slidably, 20 springs is provided, acting between the pressure
plate and a back plate bolted onto the rim of
pivotally mounted on the back plate, which, of
the fly-wheel, normally to keep the clutch ?rmly
course, turns with the ?y-wheel, the ?y-weights,
engaged, and levers are provided acting between
'in swinging outwardly under centrifugal force,
the pressure plate and the back plate to disen
transmitting movement to the spring loading ring.
Another object is to provide an automatic 25 gage the clutch against the action of the springs.
In the present case, however, a plurality of pres
clutch of the kind mentioned, in which the fly
sure-transmitting levers I0 is mounted on a back
weights have crosshead portions on their pivoted
plate H bolted, as indicated at l2, to the ?y
inner ends for transmitting movement to the
wheel 4, and there are coiled compression springs
spring loading ring, and the swinging movement
of the fly-weights is positively limited by engage 30 l3 arranged to be compressed in the movement
of a spring loading ring l4 between said ring
ment with the back plate when the cross-head
Another object of my invention is to provide
an automatic clutch of the kind mentioned, in
portions are still sufficiently removed from a dead
center position with respect to the spring loading
ring, so that the pressure of the springs can be
and is utilized in returning the ?y-weights to
retracted position.
Another object is to provide an automatic clutch
of the kind mentioned, in which the spring load
ing ring has a collar supporting the same for
sliding movement on the same sleeve with' the
and a collar l5, slidably guided on the same
sleeve 16 with the throw-out collar, a portion
of which is indicated at H, the collar l5 having
a pressure-transmitting ring I 8 mounted thereon
and movable therewith, and arranged to engage
the levers 10 to urge the levers in the proper di
rection to apply pressure to the pressure plate
9 to frictionally engage the disc 8 between the
v pressure plate and the ?y-wheel. In the earlier‘
patent mentioned, the springs l3 were supported
throw-out collar, said supporting collar carrying
on seats provided on brackets carrying the le
the lever-actuating springs in pre-load condition,
vers ill, but in the present automatic clutch,
the spring loading ring being slidably guided on
these stationary seats are eliminated, and the
said supporting collar for cooperation with the 45 spring, loading ring [4 and pressure-transmitting
?y-weights on the one hand, and with the springs
ring l8 are provided on'the collar l5, the ring.
on the other hand, and said supporting collar
l4 being arranged to be moved in the spring
also carrying a pressure-transmitting ring for '
loading direction by the outwardly swingable,
engagement with the pressure-transmitting levers.
centrifugal fly-weights l9, whereby automatical
The invention is illustrated in the accompany 50 1y to cause engagement of the clutch when the
ing drawings, in which—
engine is speeded up to a predetermined extent
Fig. 1 is a rear view of an automatic clutch 'em
above idling speed. The usual pads or facings
bodying my invention;
20 are provided on the opposite sides of the discv
Fig. 2 is a cross-section on the line 2—2 of
8 around the margins thereof, to give the desired
Fig. 1, showing the clutch disengaged; and
65 engagement on the back face of the ?y-wheel and
2,406,049
3
4
the front face of the pressure plate. Each of the
is utilized for returning the fly-Weights 19 to the
retracted position shown in Fig. 2, and to hold the
same normally in that position until the engine
levers ID is pivoted near its outer end 2| on an
embossed portion 22 of the back plate i I, as at
23, and has its inner end portion 24 arranged
to be engaged by the ?ange 25 on the periphery
of the ring i8. A bolt 26 is threaded in the pres
sure plate Sadjacent the outer end 2| of each
of the levers Ill and has the head end thereof
disposed for engagement by the end of thele
ver, as shown, whereby pressure is transmitted to
the plate 9 for the engagement of the clutch.
A look nut 21 is provided On each of these bolts,
to jam against the back of the pressure plate to
hold the screw in adjusted condition. These bolts
26 are received in radially projecting lugs 28,
formed on the periphery of the pressure plate and
projecting through slots 29 therefor in the pe
ripheral wall 30 of the back plate. The latter,
being bolted to the fly-wheel by its annular flange
speed is increased to a predetermined extent
above idling speed. The springs E3, in other
words, serve a double function: they clamp the
clutch disc between the fly-wheel and pressure
plate under spring pressure through the medium
of the levers H3, and they also tend normally to
hold the fly-Weights in retracted position and to
return the same to retracted position when swung
outwardly under centrifugal force, even to the
‘extreme position shown in Fig. 3.
The. collar l5 has an annular ?ange 42 on the
rear end thereof, providing seats for the springs
13. Pins ‘43 are riveted to and extend from the
flange 42 through the springs and through regis
tering holes provided therefor in the rings Hi and
I3, ‘whereby to provide supports for the springs
30', as indicated at [2, serves to transmit drive 20 and guides for the ring 14, as well as a means
to the pressure plate through the lugs 28, to turn
of holding the ring i3 against unthreading from
the pressure plate with the ?y-Wheel as a unit.
the collar [5, the ring It being threaded 0n the
The slots 29 are elongated, so as to permit ‘the
collar, as indicated at 44, and being also suitably
lugs 28 to slide back and forth therein to the
locked in place by a pin 45. The back plate H
extent required in the engagement and disen 25 has an annular flange 46 de?ning a substantially
gagement of the clutch.
.
The back plate H is stamped from a single
piece ‘of sheet metal to the dished form shown,
and has the embossed portions 22 struck there
from in equally circumferentially spaced relation. 30
Pairs of parallel ears 3i are also preferably
punched out of the back wall 320i the b'ackgplate
at points in equally circumferentially spaced re
circular, central opening 41, and the pressure
transmitting ring 18 is of substantially circular
form, and small enough in radius in the reduced
portion in front of the ?ange 25 to operate in the
opening 41, as clearly appears in Fig. 2. In ‘that
Way, I obtain the compactness shown, and the
present automatic clutch requires little, if any,
more room than the non-automatic clutchshown
in the earlier patent.
lation, midway between the bosses ~22, to provide
slidable, pivotal support ,for the fly-weights l 9 and 35
In operation, it should be clear that, due to the
pro-load compression of the springs i 3, the levers
also to provide guides between these ears for the
radially projecting portions 33 provided on the
ID are moved in the direction of engaging the
spring loading ring 14. The ears-3| have regis
clutch in the initial outward pivotal movement
tering elongated slots 34 provided therein to ac
of the fly-Weights l9, and when the engine speed
commodate vrollers 35 that are mounted on the 40 rises above the critical speed, the ?y-weights
ends of cross-pins 33 which extend through-regis
move outwardly farther, and the springs 13 are
accordingly compressed, causing the pressure
tering holes in the middle of the forked cross~
head portions 3? formed on the inner ends of the
plate 9 to hold the disc 8 engaged with the ?y
fly-weights l9. Two rollers 38‘ and 39 are mount
wheel under a ‘spring pressure above the pre-load
ed in each ‘of the .forkedcross-heads 31 on oppo 45 pressure an extent depending upon the particular
site sides of the cross-pins 36, rollers 38 to roll
angularity of the ?y-weights. The ?y-weights,
on vthe back of 'the- back wall 32 of vthe back plate,
of ‘course, move under restraint of ‘the springs l3,
and the rollers 39 on the .front of the radially
and will not therefore assume the extreme posi
projecting portions 33 .of the spring loading ring,
tion shown in Fig. 3 until the engine speed is suffi
as illustrated in Figs. 2 and '3. The fly-weights 50 cient for the centrifugal force to overcome the
are notched out on ‘their inner side, as shown at
resistance of the springs to the extent indicated.
40, to provide ‘operating clearance for the radially
It will therefore be apparent that in the normal
projecting portions .33 of the spring loading ring,
acceleration of the engine, as between the shift
one-half of the cross-head portions‘! on the inner
ing of gears, thesprings IE will be gradually com
ends of the vfly-‘weights forming the one side of 55 pressed more and more up to the extreme condi
these notches,,so that the radially projecting por
tion illustrated in Fig, 3, so that the engagement
tions 33 of "the ring I 4 aredisposed in direct-op
of the clutch is proportionately smooth, and there
erative relationship to the cross-heads for move
is no tendency for grabbing. Assuming the
ment of the ‘ring I34 automatically in response to
clutch is engaged, as shown in Fig. 3, it should
a predetermined increase in the speed of rotation
be clear wthat the pressure of the springs 13 is
of the ?y-wheel above .idling speed of the engine.
always active in the direction tending to return
It is important to note in Fig. 3 that the front
the ?y-weights [9 to the retracted position shown
face 41 of the fly-weights strikes the back wall 32
in Fig. 2, due to the acute angularity of the cross
of the back plate to limit outwardswinging move
head portions 31 with respect to the ‘back plate
ment of the .iiy-We‘ights under centrifugal force, 05 II, as indicated by the line a—b, passing through
but when the fly-weights are in that extreme po
the centers of the rollers 33 and 39 and through
sition, ‘the rollers '38 .and 39 are disposed with
the center of the cross-pin 3E therebetween. If
their centers on 'the’line a—b that is inclined at
the operator desires to disengage the clutch man
an acute angle with respect to the back Wall of
ually while it is automatically held engaged, he
the backpla‘te'thecenters of the rollers 38 .being 70 can do so by depression of the clutch pedal so as
spaced radially ‘inwardly with respect to ‘the cen
to move the collar l5 forward against the resist
tersofthe cross-pins 36, and the centers of the
ance of the springs I3 by engagement of the
rollers ‘.39 being spaced radially outwardly with
throw-out collar I‘! with the back of the ?ange
respect to the centers of the cross-pins 36. ,As a
42. The levers l0 accordingly release pressure on
result, the pressure ‘of ‘the springs [3 can be and 75 the bolts 26.,»and the pressure plate 9 is therefore
2,406,049
5
6
free to ?oat away from the fly-wheel so as not to
with said springs and the pressure transmitting
ring, and a plurality of centrifugal ?y-weights
transmit drive any longer to the clutch disc 8.
It is believed the foregoing description con
veys a good understanding of all of the objects
and advantages of my invention. The appended
claims have been drawn with a view to covering
comprising cross-head portions slidably pivotally
mounted intermediate their ends on the back
plate independently of said levers, said weights
being arranged in circumferentially spaced re
all legitimate modi?cations and adaptations.
lation to the back plate intermediate the loca
tion of said levers, said cross-heads being ar
I claim:
ranged to turn with the weights to move said
1. In a clutch comprising a driving element
and a driven element, a pressure plate for hold 10 loading ring in the spring loading direction when
the driving element exceeds a predetermined
ing the driving and driven elements frictionally
speed of rotation, said weights being movable
engaged, a back plate, a plurality of levers in
through a predetermined limited distance under
circumferentially spaced relation to the back
centrifugal force and said cross-heads in extreme
plate for communicating pressure to the pres
sure plate under spring pressure whereby to cause 15 position being so arranged relative to said spring
loading ring that the pressure of said springs
engagement of the clutch, supports for said levers
tends to return said weights to retracted posi
carried by the back plate each comprising a pivot
tion.
for the lever near the outer end of the lever, a
4. In a clutch comprising a driving element
pressure transmitting ring engaging the inner
ends of said levers, a plurality of springs for ap 20 and a driven element, a pressure plate for hold
ing the driving and driven elements frictionally
plying pressure to the pressure plate through said
engaged, a back plate, a plurality of levers for
ring and levers, a spring loading ring operatively
communicating pressure to the pressure plate
associated with the plurality of springs and the
under spring pressure whereby to cause engage
vpressure transmitting ring, and a plurality of
centrifugal ?y-weights comprising cross-head 25 ment of the clutch, supports for said levers
carried by the back plate each comprising a pivot
portions slidably pivotally mounted intermediate
their ends on the back plate independently of
said levers, said weights being arranged in cir
for the lever near the outer end of the lever, a
throwout collar and a sleeve guide therefor, said
cumferentially spaced relation to the back plate
throwout collar being movable manually relative
intermediate the locations of said levers, said 30 to the inner ends of said' levers for manual dis
engagement of the clutch, a spring supporting
cross-heads being arranged to turn with the
collar movable on the same guide with the throw
weights to move said loading ring in the spring
out collar and carrying a pressure transmitting
loading direction when the driving element ex
ring arranged to engage the inner ends of said
ceeds a predetermined speed of rotation.
2. In a clutch comprising a driving element and 35 levers to‘apply pressure to the pressure plate to
engage the clutch, a single set of springs carried
a driven element, a pressure plate for holding
on said spring supporting collar for applying
the driving and driven elements frictionally en
pressure to the pressure plate through said ring
gaged, a back plate, a plurality of levers for com
and levers, a spring loading ring slidable on
municating pressure to the pressure plate under
spring pressure whereby to cause engagement of 40 said spring supporting collar to load said springs,
and a plurality of centrifugal ?y-weights pivoted
the clutch, supports for said levers carried by the
on the back .plate independently of said levers and
back plate each comprising a pivot for the lever
arranged to move said loading ring in the spring
near the outer end of the lever, a throwout collar
loading direction when the driving element ex
and a sleeve guide therefor, said throwout collar
ceeds a predetermined speed of rotation, said
being movable manually relative to the inner ends
weights being movable through a predetermined
of said levers for manual disengagement of the
limited distance under centrifugal force and
clutch, a spring supporting collar movable on the
when in extreme position being so arranged rela
same guide with the throwout collar and carry
tive to said spring loading ring that the pressure
ing a pressure transmitting ring arranged to en
of said springs tends to return said weights to
gage the inner ends of said levers to apply pres- ,
retracted position.
sure to the pressure plate to engage the clutch,
a plurality of springs carried on said spring sup
porting collar for applying pressure to the pres
sure plate through said ring and levers, a spring
loading ring slidable on said spring supporting
collar to load said springs, and a plurality of cen
trifugal ?y-weights pivoted on the back plate
independently of said levers and arranged to move
said loading ring in the spring loading direction
when the driving element exceeds a predeter
5. In a clutch actuating mechanism for a lever
controlled clutch mechanism the combination
with the levers and a throwout means for manu
ally disengaging the clutch, of a pressure trans
mitting element adapted to engage, move, and
transmit pressure to the levers to engage the
clutch, spring means adapted to apply pressure
to said levers through said element for resilient
to engagement of the clutch, a spring loading ele
mined speed of rotation.
>
ment’ operatively associated with said spring
means and adapted to be moved in spring load
3. In a clutch comprising a driving element and
ing direction by a speed responsive means oper
a driven element, a pressure plate for holding the
driving and driven elements frictionally engaged,
able in response to the speed of rotation of the
a back plate, a plurality of levers in circumfer be clutch mechanism, said pressure transmitting
entially spaced relation to the back plate for com
element being movable against the action of said
municating pressure to the pressure plate under
spring means by the throwout means for manual
disengagement of the clutch when automatically
spring pressure whereby to cause engagement of
engaged, including a guide for the throwout
the clutch supports for said levers carried by the
means, and a spring caging collar slidable on said
back plate each comprising a pivot for the lever
guide and operable by said throwout means, said
near the outer end of the lever, a pressure trans
collar being ?xed to said pressure transmitting
mitting ring engaging the inner ends of said 1e
element whereby to move the same to retracted
vers, a single set of springs for applying pressure
position, and said collar having said spring load
to the pressure plate through said ring and le
ing element slidably mounted thereon and hav
vers, a spring loading ring operatively associated
2,406,049
7
ing :said spring ‘means ‘supported thereon for
loading by said element.
1
‘6. In-a'clutch actuating mechanism for a lever
controlled clutch mechanism the combination
weight actuated portions of said spring loading
ring and arranged when said weights swing out
wardly under centrifugal ‘force to force said spring
loading ring away from said back plate in spring
with the levers and a throwout means for manu
loading direction.
ally .disengaging.the clutch, of a pressure trans
mitting element adapted to engage, move, and
9. ‘Ina clutch comprising a driving element and
a driven element, a pressure plate for ‘holding
the driving and driven elements frictionally ven
gaged, a back plate, a plurality of levers for ‘com
transmit ‘pressure to the levers to engage the
clutch, spring means adapted to apply pressure
to vsaid levers through said element for resilient 10 municating pressure to the vpressure plate under
engagement of the clutch, a spring loading ele
spring pressure whereby to cause engagement
ment operatively associated with said spring
of the clutch, supports for said levers carried ‘by
means :and adapted to be moved in spring load
the back plate each comprising a pivot for the
ing direction by a speed responsive means oper
lever near the outer end of the lever, a pressure
able in response to the speed of rotation of the
transmitting ring engaging the inner ends of said
clutch mechanism, said pressure transmitting
levers, .a plurality of springs for applying pressure
element being movable against the action of said
to the pressure plate through said ring andlevers,
spring means by the throwout means for manual
a spring loading ring operatively associated with
disengagement of the clutch when automatically
the plurality of springs and the pressure trans
engaged, a guide for the throwout means, and a 20 mitting ring, projections on the back plate slid
spring caging collar slidable on said guide and
ably guiding thereon weight actuated portions of
operable by said throwout means, said collar
said spring vloading ring for reciprocatory :move
being ?xed to said pressure transmitting element
ment, and centrifugal fly-weights having bell
whereby to move the same to retracted position,
crank shaped pivotal portions pivoted on said
and pins carried on said collar for-support of said 25 projections and arranged to engage said weight
spring means and for slidably guiding said spring
actuated portions of said spring loading ring
loading element in its movement relative to said
whereby to move the latter in spring loading di~
collar and spring means.
rection when said weights swing outward1y under
7. In a clutch comprising a driving element
centrifugal force.
and a driven element, a pressure plate for hold
ing the driving anddriven elements frictionally
30
10. In a clutch comprising a driving element
and a driven element, a pressure plate for vhold
engaged, a back ‘plate, a plurality of levers for
ing the driving and driven elements frictionally
communicating pressure to the pressure plate
engaged, a, back plate, a plurality of levers ‘for
under spring pressure whereby to cause engage
communicating pressure to the pressure plate
ment ‘of the clutch, supports for said levers 35 under spring pressure whereby to cause engage
carried by the back plate each comprising a pivot
ment of the clutch, supports for said levers car
for the lever near the outer end of the lever, a
ried by the back plate each comprising a pivot
pressure transmitting ring engaging the inner
for the lever near the outer end of the lever, a
ends of said levers, a'plurality of springs for ap
plying pressure to the pressure plate through said 40 pressure transmitting ring engaging the inner
ends of said levers, a plurality of springs for ap
ring and levers, a spring loading ring operatively
plying pressure to the pressure plate through said
associated with the plurality of springs and the
ring and levers, a spring loading ring operatively
pressure transmitting ring, forked projections on
associated with the plurality of springs and the
the back plate slidably receiving therebetween
peripheral portions of said spring loading ring
pressure transmitting ring, forked supports for
for movement toward and away from the back
centrifugal ?y-weights having cross-head portions
pivotally and slidably mounted by the middle
centrifugal fly-weights on the back plate, and
plate, and centrifugal fly-weights having pivotal
cross-head portions slidably pivotally mounted in
said forked projections and arranged by engage
ment at its opposite ends with the back plate and
said peripheral portions of the ‘spring loading
ring to force the latter away from the back plate
in the spring loading-direction when said weights
swing outwardly under centrifugal force.
v
3. In a clutch comprising a, driving element 55
and a driven element, a pressure plate for hold
ing the driving and driven elements frictionally
portions of their cross-heads in said forked ‘sup
ports, rollers on the opposite ends of said cross
hcads ,rollably engaging surfaces on the back
plate and other surfaces on said spring loading
ring whereby to move the latter in spring load
ing direction when said weights swing outwardly
under centrifugal force.
11. In a clutch actuating mechanism for a lever
controlled clutch mechanism, the combination
With the lovers, aback plate, and a ‘throw-out
engaged, a back plate, a plurality of levers for
means movable toward and ‘away from the back
communicating pressure to the pressure plate
under spring pressure whereby to cause engage 00 plate, of a pressure transmitting element ar
ranged to engage, move, and transmit pressure
ment of the clutch, supports for said levers car
to
the levers to engage the clutch, spring means
ried by the back plate each comprising a pivot
for applying pressure to the pressure ‘transmit
for the lever near the' outer end of the lever, a
ting element, a spring loading ring operatively
pressure transmitting ring engaging the inner
associated with said spring means, forked projec
ends of said levers, a plurality of springs for ap 65 tions von the back plate slidably receiving there
plyingpressure to the pressure plate through said
between peripheral portions of said spring load
ring and levers, a spring loading ring operatively
ing ring for movement toward and away from
associated with the plurality of springs and the
the back plate, and centrifugal ?y-weights hav
pressure transmitting ring, projections on the
ing pivotal cross-head portions slidably pivotally
back plate slidably guiding thereon weight actu 70 mounted in said forked projections and arranged
ated portions of said spring loading ring for re
by engagement at its opposite ends with the back
ciprocatory movement toward and away from the
plate and said peripheral portions of the spring
back plate, and centrifugal fly-Weights having
loadingtring to force the latter away from the back
cross-head portions pivotally mounted on said
plate in ‘the spring loading direction when said
projections between the back plate and said 75 weights swing outwardly under centrifugal force.
9
2,406,049
12. In a clutch actuating mechanism for a le
ver controlled clutch mechanism, the combina
tion with the levers, a back plate, and a throw
out means movable toward and away from the
back plate, of a pressure transmitting element
arranged to engage, move, and transmit pressure
to the levers to engage the clutch, spring means
for applying pressure to the pressure transmit
ting element, a spring loading ring operatively
associated with said spring means, projections
on the back plate slidably guiding thereon weight
actuated portions of said spring loading ring for
reciprocatory movement toward and away from
the back plate, and centrifugal fly-Weights hav
ing cross-head portions pivotally mounted on
said projections between the back plate and said
weight actuated portions of said spring loading
ring and arranged when said weights swing out
wardly under centrifugal force to force said
spring loading ring away from said back plate in
10
tion with the levers, a back plate, and a throw
out means movable toward and away from the
back plate, of a pressure transmitting element
arranged to engage, move, and transmit vpres
sure to the levers to engage the clutch, spring
means for applying pressure to the pressure
transmitting element, a spring loading ring op
eratively associated with said spring means,
forked supports for centrifugal fly-weights on
the back plate, and centrifugal fly-weights hav
ing cross-head portions pivotally and slidably
mounted by the middle portions of their cross
heads in said forked supports, rollers on the op
posite ends of the cross-heads rollably engaging
surfaces on the back plate and other surfaces on
said spring loading ring whereby to move the
latter in spring loading direction when said
weights swing outwardly under centrifugal force.
15. In a.clutch actuating mechanism for a le
ver controlled clutch mechanism, the combina
tion with the levers, a back plate, and a throw
13. In a clutch actuating mechanism for a le
out means movable toward and away from the
ver controlled clutch mechanism, the combina
back plate, of a pressure transmitting element
tion with the levers, a back plate, and a throw
arranged ‘to engage, move, and transmit pressure
out means movable toward and away from the 25 to the levers to engage the clutch, spring means
back plate, of a pressure transmitting element
for applying pressure to the pressure transmit
arranged to engage, move, and transmit pres
ting element, a spring loading ring operatively
sure to the levers to engage the clutch, spring
associated with said spring means, forked sup
means for applying pressure to the pressure
ports for centrifugal flyweights on the back plate
spring loading direction.
transmitting element, a spring loading ring op
eratively associated with said spring means, pro
jections on the back plate slidably guiding there
on weight actuated portions of said spring load
ing ring for reciprocatory movement, and cen
trifugal ily-weights having bell-crank shaped
pivotal portions pivoted on said projections and
arranged to engage said weight actuated portions
of said spring loading ring whereby to move the
latter in spring loading direction when said
slidably guiding therebetween peripheral por
tions of said spring loading ring for movement
toward and away from the back plate, and cen
trifugal iiyweights having cross~head portions
pivotally and slidably mounted by the middle
portions of their cross-heads in said forked sup
ports, rollers on the opposite ends of said cross
heads rollably engaging surfaces on the back
plate and other surfaces on the peripheral por
tions of said spring loading ring, whereby to
weights swing outwardly under centrifugal 40 move the latter in spring loading direction when
force.
said weights swing outwardly under centrifugal
14. In a clutch actuating mechanism for a le
ver controlled clutch mechanism, the combina
force.
W. VINCENT THELANDER.
Документ
Категория
Без категории
Просмотров
0
Размер файла
958 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа