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Патент USA US2411917

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Dec.3, 1946.
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‘
., P. A. WOOSTER
I
2,411,917
DISPENSING DEVICE
Filed March 28, 1941
INVENTOR
PM»; ,4. Woes/‘er
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ATTORNEY:
2.411.917
' I Patented Dec. 3, 1946
UNETED' STATE s ‘IN-PATENT orrlea
2,411,917
msrnnsmo DEVICE
Philip A. Wooster, San Rafael, Calif. '
Application March 28, 1941‘, Serial No. 385,659
13 @laims. '
(Cl. 271--2.3)
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This invention'relates toldispenslng devices,
and particularly ‘to operating mechanism for '
devices for dispensing sheets of material from a
continuous web, as for example, paper towels
iromaroll of toweling.
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In issuing towels to patrons in a public or semi-'
public lavatory, the problem of waste has become
it
to the gear ratio employed, must be rotated a
plurality of times to effect dispensing of a length
of toweling suitable for the‘usual requirement
of drying the hands. Reverse operation of the
crank is prevented by a simple spring clutch
which‘ disengages the handle from the worm_
gear upon reverserrotation of the handle, acting
together with a reverse pawl locking the worm _~
an important one, and attempts have been made , gear wheel against reverse rotation; and the
to prevent wasteful use of toweling, by including
worm and gear drive is also eifective to prevent
in the dispensing mechanism a time delay device 10 withdrawalv of toweling by pulling on vthe end
of one sort or another for the purpose of im
of the towel which projects from the cabinet.
posing a delay after the dispensing of each-towel
- One form of the invention is more speci?cally
to discourage the, use of several towels by one
shown in the accompanying drawing, and de
patron where one towel will su?lce adequately ‘
scribed in detail in the following specification,‘
wherein further objects and'advantages of the‘
to perform its intended‘ service. Such delay
mechanisms have the disadvantage of often de
laying the prompt delivery of towels to successive ' ' invention are made apparent.
In the drawing.
'
users of the device, and are therefore a source
Fig. l is a front elevation of a cabinet for
of annoyance to‘ patrons who may attempt to
‘dispensing paper,towels embodying the present
dispense a towel after the preceding patron has.
invention in the operating mechanism, the cab
left the dispenser but before the-required time
inet being broken away in parts to disclose the
period has elapsed. Such timing mechanisms
'
are also undesirable because they are necessarily
interior mechanism;
complicated ‘in construction, costly to manu
facture, noisy, and dimcult to keep accurately
of Fig. 1;'
of the operating mechanism taken along line
_ 4-1 of Fig. 3.
The dispensing cabinet shown in the drawing
comprises a case to be secured against a wall
in a convenient position, and a cover member
arranged to conceal the contents of the case.
The case, as illustrated in Figs. 1 and 2, com
0
prises a back member ill, a bottom member H,
and a pair'of side walls shown at 12. The top
and the front of 1 the case are left open to facili
tate the insertion of a roll of paper, and the side
walls I! are provided with outwardly extending ,
?anges l3, which serve to lend rigidity to the
structure and also serve to provide a space at
It is also an object of the invention to provide
"
v
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These and other objects are accomplished
c
Fig. 4 is an enlarged detail view of a portion
Another object of this invention is to provide
a mechanism that is easily and readily operable,
which can dispense paper only by rotation of the
operating‘ member. and which is automatically
locked against dispensing of towelingby a direct
.pull thereon.
apredetermined length.
'
of Fig. 1; and
It is the object of the present invention to
provide a dispenslng‘vdevice with operating mech
a dispensing device with operating mechanism
which willv make possible the dispensing of any
desired length of ‘toweling, as contrasted to the
usual mechanism which dispenses only towels of
.
Fig. 3 is a sectional view taken on line 3-3
, timed to apre-determined interval.
anism which is simple in ‘construction and in
expensive to manufacture, and ‘which is quiet and
positive in its operation, as well as durable and
designed to effect suf?cient delay in the dispens
ing of toweling to discourage wasteful use but
which will in no way interpose any delay between
successive operations of the device.
‘1
Fig. 2 is a sectional view taken on line 2-2
both ends of the case for the reception of oper
ating mechanism. The‘ cover member, hinged
as at H to a member I5 which extends across
the top of the case, comprises atop l6 which
' curves to join a front wall l1, and has a pair
-'of.side walls 18 which, with the top and front I
through the provision of a simple worm and gear
drivelfor a. dispensing. roller which advances the 60
towel from a continuous roll of toweling‘ con
talned within the dispensing case or cabinet.‘
The drive wormand gearv are operated by a small
hand crank which projects from the cabinet at
a convenient and practical angle and which, due Yet
40
portion, ‘serve to conceal the entire case and
operating mechanism, with the exception‘ of the
bottom wall thereof.
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Within the case a pair of inclined‘ shelves or
ledges I9 secured one to eachvof the side walls
I! support a roll 20 of paper toweling by its
edges in a manner to permit toweling to
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9,411,917
will be su?lciently rapid to prevent annoyance to
withdrawn from the roll. Journalled in and ex
tending between the side walls |2 are a dis
pensing roller 2| and a pressure roller 22, The
free end of the toweling is led from the roll 20
the patrons using the device. \
It is essential, however, to provide a worm and
worm gear of such driving ratio and design that it
is impossible to drive the worm by its gear and thus
prevent a patron from grasping the exposed end of
over the top of the roller 2| between the rollers
2| and 22 and to a point where it may project
as indicated by the arrow 23 from an opening
in the bottom of the case. Consequently, rota
tion of the roller 2| will effect withdrawal of
the toweling and pulling it out by hand. With
the worm gear thus properly designed there is in
e?‘ect a friction locklwhich prevents withdrawal
toweling from the roll 28 and will eject it 10 of the toweling by a direct pull. Were it possible
through the opening in the bottom of the case
to operate the dispensing mechanism in a reverse
in the conventional manner so that it may be
torn free from the continuous length to be used
direction, the toweling could be fed backwardly
to a point where its leading end was released from
between the. dispensing roller 2| and pressure
In order that the toweling ma; be dispensed 16 roller 22, and consequently subsequent operation
of the crank in its proper direction would fail to '
easily and positively, and without waste thereof,
dispense toweling,
the present invention provides the mechanism il
To prevent this ‘a pawl 34 is arranged to engage
lustrated best in Figs. 3 and 4 for e?ecting rota
with the teeth of the worm gear 32 to prevent
tion of the dispensing roller 2|. The principal
parts of the rolleroperating mechanism are en 20 reverse rotation thereof and to insure that the
crank will be freed by the clutch spring 3| in the
closed within a small case 25, preferably secured
event of attempted rotation in the wrong direc
by a ?anged edge 26 to the side wall-l2 by means
tion. This pawl 34 is preferably formed of a single
.of bolts shown at 2'!’ or any suitable fastening
plate shaped, as best illustrated in Fig. 4, with two
means. This case 25 rotatably supports a crank
28 which extends out through the bottom of the 25 ends which project through bearings 35 which
are formed by perforating and pressing outwardly‘
7 main case of the dispenser and projects slightly _
the side wall I2 of the main case and inwardly
forward of the front wall thereof to occupy a posi
the side wall of the small case 25. This forms an
tion easily-accessible to a usenwho will rotate the
inexpensive structure and mounting for the pawl
crank in order to dispense the length of toweling.
The angle of disposition ‘of the crank, the main 30 34 which engages the teeth of the gear by gravity,
axis for which is inclined forwardly and down- ‘ and ,is limited in its upward swinging movement
as a towel.
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by a stop 38 in the form of a small angular mem
wardly, is desirable because it enables the crank
ber secured to the wall |2 (see-Fig. 3). The pawl
to project below the lower edge of the front por
is also fastened, as shown in Fig. 4, to clear a‘
tion ll of the cover member and slotting or perfo
rating of the cover member is therefore unneces 35 spring 31 which serves to ‘retain the pressure roller
22 against the dispensing roller v2|. The spring .
sary, with the result that the cover is both strong
31 is one of a pair mounted one at each end of the
er and less expensive to manufacture. This angle
main case and extends between a ?xed eye 33
also insures against moisture entering the case,
and a'bearing 39 which embraces a journal 49
wherevit may serve to rust orotherwise deteriorate.
the operating mechanism, it being‘ understood 40 projecting from the end of the pressure roller 22,
that the crank is almost invariably operated by
wet hands, and in most dispensers employing an
' which journal is guided between ?anges 4| bent
outwardly at the edges of the slot in the side wall '
l2. This provides a pair of ?oating bearings for
the pressure roller 22 which are resiliently urged
‘result in considerable damage over a period of 45 toward the dispensing roller 2| to facilitate re
moval of the roller 22 for replacement or repairs
time.
' to any of its associated parts.
On the crank 28 within the ‘case 25 is rotatably
The slots in which its journals are guided are
supported a worm 29. Pinned to the crank against
continued, as best illustrated in Fig. l, in the
' rotation is a shouldered collar 30.' The abutting
ends of the collar 30 and worm 29 are of the 60 ?ange | 3 as shown at 42. Upon removal of’ the
springs 31 which urge the pressure roller toward
same diameter and coiled about them is a spring
operating crank the moisture which enters the
dispenser along the crank handle is suf?cient to
3| which serves as a uni-directional or one-way
the dispensing roller, it may therefore be easily
clutch, as rotation of the crank and bushing 30
in one directionltends to tighten‘ the coils of the
spring 3| which grips the shank of the worm 29
and shank of the bushing 30. On the other hand,
rotation of the crank in the opposite direction
tends to loosen or enlarge the coils of the spring
3|, which permits it'to slip over ‘the shank of the
worm 29 and/or the shank of the bushing 30. 60
posite side to prevent unauthorized tampering
with the exposed mechanism.
removed from its position within the case. The
small case 25 must of course be ?rst removed, and
there is preferably an identical case for the op
The toweling. after passing between the rollers,
is carried toward the opening in the bottom of
the case by a curved wall 43 which more or less
The worm meshes with a ‘worm gear v32 which is
follows the contour of the roller 2| and the lower
?xed to the trunnion 33 which isthe journal for
one end of the dispensing roller 2|. Consequently,
edge of which serves as a tearing edge against
which the dispensed portion of the toweling may
be torn away. This wall 43 extends between the
rotation of the crank rotates the dispensing roller
2| at a greatly reduced rate of speed, the driving 65 side plates of the main case and at its upper edge
is provided with ?ngers 44 which project into
ratio preferably being such that a plurality of
grooves 45 in the pressure roller 22 t6 prevent
turns of thecrank will be necessary to dispense a
any‘possibility of the toweling passing upwardly
length of toweling suitable for ordinary uses.
into the case rather than down through the dis
While this gear ratio may be greatly varied, de
pending upon the speed of operation desired, it 70 charge chute formed by the wall 43. The bottom
has been found that a ratio'whlch will effect dis
pensing ten or twelve inches of toweling upon
some ?fteen or twenty turns of the crank will
e?ect an operation sufficiently slow to discourage
wasteful use of the toweling. and at the same time 76
ll of the case is also bent upwardly under the
dispensing roller 2| and is provided at its edge
with ?ngers 46 extending into grooves "in the’
dispensing roller.
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A latch'to retain the cover in its closed pool
. 2,41 1,917
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tion is provided by a spring ll secured to the
. connecting the crank to the roller and arranged
exterior oi’ the wall ‘I and having a lower end
which engages a lip on the forward bottom edge
of the cover. This latch may be disengaged by
a key or any suitable instrument inserted through
an opening provided in the cover for that pur
pose. When the cover is in its closed position
to'require a plurality of turns of the crank to each
revolution of the roller, means for preventing re
verse rotation of the roller. and a one-way clutch
interposed‘ in the drive means to disconnect the
crank from the roller upon reverse turning of the
crank.
.
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8. Operating mechanism for a towel dispenser
comprising a dispensing roller, a crank, a worm
and gear drive connecting said crank and roller,
the case and proiectingupwardly therefrom, and 10 a one-way clutch interposed between the crank
the cover may be retained in its open'position v and the roller to free the crank on reverse tum
by having its side walls pressed toward each other
ingthereor, and means for preventing reverse
slightly so that they'will engage ‘within and be
rotation
of the roller.
.
. supported by clips 50 which extend upwardly
9. Operating mechanism for a towel dispenser
from the outer edges of the ?anges l3. Due to 15 comprising a dispensing roller, a crank rotatable
the clips 49 and '50 which serve to support and.
through at least one revolution in either direc
protect the cover. it may be made of considerably
tion, drive means connecting the crank and dis
. its lower rear comers are engaged behind and
a protected by clips ‘9 secured to the bottom of
lighter material than is ordinarily ' considered
necessary for such a purpose, with very much less ,
pensing roller to rotate the roller once upon a
of turns of the crank, and a one-way
danger of its becoming bent or otherwise dam 20 plurality
clutch interposed in the drive means to free the
aged.
crank from the roller upon reverse turning of
Having thus described my invention, what I
the crank.
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claim and desire to secure by Letters Patent is:
10. Operating mechanism for a towel dispenser
1. Operating mechanism for a towel dispenser
comprising a dispensing roller, a crank, a worm 25 comprising a dispensing roller, a crank rotatable
and gear driveconnecting said crank and roller, - through at least one revolution in either direc
tion, drive means connecting the crank and dis
_ and a uni-directional friction clutch between
pensing roller to rotate the roller once upon a
said crank and worm to prevent reverse rotation
plurality of turns of the crank, a one-way clutch
of the worm.
v
2. Operating mechanism for a towel dispenser 30 interposed in the drive means to free the crank
from the roller upon reverse turning of the crank, comprising a dispensing roller, a crank, a worm
and means for preventing reverse rotation of the _
and gear drive connecting said crank and roller,
a uni-directional friction clutch between said
11. ‘Operating mechanism for a towel dispenser
“crank and worm to prevent reverse rotation of
comprising
a dispensing roller, a crank, and drive
35
the worm, and a pawl engaging the gear teeth
means connecting the crank and dispensing roller
to prevent reverse rotation of the gear.
to rotate the roller forwardly continuously to‘dis
; 3. Operating mechanism for a towel dispenser
pense a continuous length of towel upon contin
comprising a dispensing rollena crank rotatable
uous turning of the crank, each rotation of the
through at least one revolution in both directions,
‘.9, worm and gear drive connecting said crank 40 roller requiring a plurality of turns of the crank,
and roller, and means to prevent retraction of ' ' said drive means providing a lock for preventing
dispensing rotation of the roller except by turn
the toweling by operation of the crank in a re
ing the crank.
‘
verse direction.
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, 12. Operating mechanism tor a towel dispenser
4. In combination with a towel dispensing cab
comprising a dispensing roller, a crank, drive ~
inet, means for dispensing toweling from a supply
, means connecting the crank and dispensing roller
contained therein comprising a rotatable operat
and adapted to rotate the roller forwardly through
ing crank mounted for rotation on an, axis that ' a plurality of revolutions continuously to dispense
extends downwardly and away from‘ the cabinet.
a continuous length or towel upon continuous
5. Operating mechanism for a towel dispenser
turning of the crank, each rotation of the roller
roller.
comprising a dispensing roller, a crank, a worm
and gear driveconnecting said crank andsroller,
' means to permit reverse operation or the crank, ,
and means to prevent retraction of the towehng
by operation or the crank in a reverse direction.
6. Operating mechanism for a towel dispenser
comprising a dispensing roller, a crankrotatable‘
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requiring aplurality oi turns'of the crank, said
drive means preventing dispensing rotation of the
‘ roller except by turning the crank, and means for
preventing .reverse rotation of the roller.
13. Operating mechanism for a towel dispenser
comprising a dispensing roller, a crank, a worm
and gear drive connecting the crank and dis
pensing roller to rotate the roller forwardly con
tinuously to dispense a continuous length of towel
the crank to the roller, and a one-way clutch
crank. each rota
interposed in the drive means to disconnect the 80 upon continuous turning oi‘ theplurality
of turns
tion .0! the roller requiring a
crank from the roller upon- reverse turning of the
of the crank, and means for preventing reverse
rotation of the roller.
7. Operating mechanism for a towel dispenser
PHILIP A. woosrnn.
comprising a
roller, a crank turnable
in either direction, a worm and gear drive means 65
through at least one revolution in either direc
tion, a worm and gear drive means connecting
crank.
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