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Патент USA US3097857

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`Iuly 16, 1963
T. M. Dl STEFANO ETAL
3,097,847
BOWLING PIN AND BALI.. KICKER
Filed May 12, 1961
3 Sheets-Shea?l l
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INVENTORY
THOMAS M_DìSTEFANO
BY NICANDRO
PISTACGHIO
ATTORNEYS
July 16, 1963
T. M. DI STEFANO ETAL
3,097,847
BOWLING PIN AND BALL KICKER
Filed lay 12, 1961
3 Sheets-Sheet 2
,/ 75
IG.
INVHVTORS'
THOMAS M DìSTEFANO
BY NICANDRO PISTACGHIO
ATTORNEYS
July 16, 1963
T. M. DI STEFANO ErAL
3,097,847
A
BOWLING PIN AND BALL KICKER
Filed nay 12. 1961
3 Sheets-Sheet 3
ä
¿9
E?
BY NIGANDRO
PISTAGCIO
ATTORNEYS
United States Patent O *we
3,097,847A
Patented July 16, 1963
1
3,097,847
BOWLING PIN AND BALL KICKER
Thomas M. Di Stefano, 10 Brook St., and Nicandro Pis
tacchio, 5 Newton St., both of North Providence, RJ.
Filed May 12, 1961, Ser. No. 109,779
8 Claims. (Cl. 273-43)
This invention relates to a bowling pin setting machine
and more particularly to the kick-off device for disscharg
ing the work such as a ball or bowling pin from the work
2
parts in a position for discharging the bowling pin from
the lifting or conveyor mechanism; and
FIG. l8 is a fragmental elevation in the area of the latch
for tripping the ball discharge mechanism.
In proceeding with this invention we have provided a
pin discharging arm with anti-friction means for engaging
Ithe bowling pin and have provided a resilient means such
as `a spring through which the arm is actuated for dis
charge of the pin thus preventing breakage should any
of `the parts j'am. Also we have provided a discharge
mechanismfor a bowling ball which remains stationary
or inactive until a ball is present in the lifting mechanism
are now in the market, the kick-off device for discharging
or conveyor and the presence of the ball triggers into
the work such as the ball or bowling pin from the work
action a discharge member by the release of a latch which
lifting mechanism has been quite critical land is of a com- 15 premits a spring to actuate the member, engage the ball
plicated construction which readily gets out of order and
and discharge it from the lifting mechanism or conveyor.
requires repairs or attention. In some cases the discharge
With reference to the drawings, it may be here stated
for the ball and the bowling pin is in constant motion
that this invention is an improvement upon the mecha
regardless of the presence of work to be discharged.
nism shown in Patent 2,920,891, issued January 12, 1960*J
One of the objects of lthis invention is to provide a
particularly as it relates to the lifting mechanism such as
simplified discharge or kick-off mechanism for discharg
is shown in FIGS. 18, 19 and 20 of this patent.
ing the work from the lifting mechanism.
The lifting mechanism comprises upright frame mem
Another object of the invention is to provide a kick-oli:`
bers 10 and 11 which mount a supporting head 12 at the
mechanism for the bowling ball which is spring actuated
upper end (-FIG. l) for a `dr-ive for the lifting mechanism.
but which will remain inactive until tripped or triggered 25 This lifting mechanism comprises shafts 13 and 14 each
to action by the engagement with a ball which is being
mounting a pair of sprocket gears 15 and 16 over which
`lifted or conveyed.
there extends sprocket chains 17 and 18 which also extend
Another object of the invention is to provide a kick-off
about other sprocket gears at their lower end (not shown)
device which is independent of any operation of the ma
and then pass upwardly along the working stretches as
chine but which is triggered to action upon the presence 30 shown at 19 and 20. On the same shaft 13 as is the
of a ball being conveyed by the lifting mechanism.
sprocket `gear 15 and the same shaft 14 as is the sprocket
`Another object of the invention is to provide a simple
gear 16, there are duplicate sprocket gears and chains
member which is usually stationary but which is triggered
such as ljust described and there extends between parallel
lifting mechanism.
Heretofore and in bowling pin setting machines which
operating companion pairs of sprocket chains, such as
discharged by the spring action but independent of any 35 designated 17 and 18, bars 21 which extend from one
to action when the ball is present so that the ball may be
other actuating mechanism on the machine.
chain to the `duplicate chain in the set at the right of
Another object of the invention is to provide a reset
mechanism so that should a ball be discharged from the
FIG. l, and bars 22 in the set at the left of FIG, l.
These bars travel Adownwardly on the outer stretches and
machine bythe spring action of the discharging member,
upwardly on the stretches 19 and 20. The bars 21, 22
it will be reset as a subsequent conveying bar travels along 40 pick up the work such as the balls or pins so as to lift
its normal path of movement in the machine.
the work -for distribution. The shafts 13 and 14 are
driven from a drive gear 24 through a sprocket chain
Another object of the .invention is to provide a dis
23 which extends about a por-tion of the sprocket gear 25
charge arm for the bowling pin which will have an easier
on shaft 13, gear 26 on shaft 14 and also extends about
action upon the pin and one which will have less wear on
45 the sprocket gear 27 which drives the gear 28 upon
the conveying mechanism.
which there is a roller 29 for swinging an arm 30 about
Another object of the invention is to provide a dis
charge device for the bowling pin which will have an anti
friction engagement with the pin as it is pushed from the
conveying apparatus.
pivot 31 for actuation of a pin kicker mechanism which
will be hereinafter described.
'
Supported by and extending between the upright frame
With these and other objects in view the invention con 50 members 10 and 11, there is a cross member 32 which
is oifset rearwardly and which has a notch 33 at its lower
sists of certain novel features of construction as will be
edge and is provided with spaced sides 34 extending
more fully described and particularly pointed out in the
appended claims.
In the accompanying drawings:
FIG. 1 is an elevation looking at the rear of a frag
rearwardly (see also FIGS. 6 and 7). A bell crank lever
35 is pivotally mounted by trunions 44 between the sides
55 34 having an arm 36 extending in the cutout portion 33
upwardly, winch arm is bowed forwardly as at 37. Along
this bowed portion there are anti-friction rolls 38, 39
«and 40 mounted in spaced relation on fingers 41, 42 and
` FIG. 2 is a view similar to FIG. l but illustrating the
43 extending therefrom. This arm 36 will swing about
lower portion of the saine conveying mechanism;
60 the pivot 44 between the bars 21 and 22 as the said bars
=FIG. 3 is a side View of a portion of the mechanism
move upwardly supporting between them a bowling pin.
shown in FIG. 2 but illustrating particularly the ball kick
The other arm 45 of this bell crank lever 35 extends gen
off mechanism in its retracted position;
erally at right angles to the arm 36 and a coil spring 46
ÃFIG. 4 is an elevation of the detail showing of the lock
mental upper portion of the conveying or lifting mecha
nism for the balls and pins;
ing latch;
FIG. 5 is a view similar to =FIG. 3 but illustrating the
`kick-off mechanism in a position for discharging a ball
from the lifting or conveyor mechanism;
FIG. 6 is a side view of a fragmental portion to show
links together the arm 45 and the arm 30 above men
65 tioned so that as the roller 2‘9 swings arm 30' upwardly
about its pivot 31, a tension will be exerted on the spring
46 causing the arm 45 to swing upwardly and the arm 36
to swing 'downwardly from the position shown in FIG. 5
to the position shown in FIG. 6. 'I‘his motion will cause
in retracted position the swinging member for discharg 70 rollers 38, 39, 40 to engage a bowling pin shown in
ing the pin from the lifting or conveyor mechanism;
phantom at 47 between the bars 21 and 22 so as to Vpush
FIG. 7 is a view similar to FIG. 6 but illustrating the
Ithe same from the elevating mechanism. A spring 48
3,097,847
4
retracts the bell crank lever to the position shown in
FIG. 6.
At a point below .the pin ejecting mechanism just de
scribed, a shaft 5€) (FIG. 2) extends between the upnights
10 and 11, this shaft being supported in bearings 5.1 and
52. on the uprights 10 and 11. Upon this shaft there is
pivotally mounted a member 53 (see also FIG. 3) while
a spring 54 encircling this shaft has a portion 55 bearing
on» the back surface of this member 53 tending to swing
struction and positive in operation. The ball kicker mech
anism is located at a lower elevation on the elevator and
senses the presence of a ball being lifted thereon, giving
this ball a positive push by a spring actuated ejecting
mechanism. Pins will pass by this ball kicker station
since their diameter is less than that of the ball and travel
to the pin kicker station which consists of a simple rock
ing arm that is provided with non-jamming rollers thereon
insuring that the pin wiil be firmly ejected. Since there
it clockwise about the pivot shaft 50 as seen in FIG. 3.
are no timing `adjustments that need be made with these
An ’arcuate segment I’56 is provided along an upright por
tion of the frame and the end 57 of the spring may be
kicker arrangements, positive operation is assured at all
moved to any one of a plurality of openings 58 in this
segment so as to apply more lor less tension on the spring
times.
We claim:
l. In a bowling pin setting machine a lifting mecha
tending to force the member 53 about its pivot shaft 50.
In order to hold this member 53 against the action of
this spring, a latch 59 is carried by the member 5‘3 which
nism for balls and pins `comprising opposite upwardly
moving lifting bars, said bars cooperating to engage be
latch has a notch 60 and `an abutment surface 61 which
mechanism comprising a member pivoted to swing be
tween said cpposite bars, a spring urging the member to
swing `about its pivot into the path of travel of a ball,
will engage the edge 62 of a plate 63 which is mounted
to extend between the frame uprights 10 and 11 and is
offset rearwardly from the uprights to which it is attached.
This latch is pivoted on the member 53 by means of ears
64 and pin 65 and is swung counter clockwise as seen in
tween them balls and pins to be lifted, ya ball kick-off
latch means to hold said member against the action of
said spring, and trigger means in the path of movement
of a ball only to be engaged thereby to release the latch
and permit said member to swing under the action of said
FIG. 3 by -a coil spring 66 extending about the pin ‘65
and engaging the latch as at 67 to force it upwardly, 25 spring to move a ball from the lifting mechanism.
2. A bowling pin setting machine as in claim l includ
while the spring is anchored by end `68 to one of the ears
ing reset means engageable by a subsequent lifting bar to
64. This latch extends through the member 53 and has
restore said pivoted member and latch to initial position.
a feeler portion 69 which is in the path of travel of a
.3. In a bowling pin setting machine 4as in claim l where
bowling ball 70 as urged toward the feeler by an adjustable
resilient arm 84 (FIG. 8), the arm being adjusted by a 30 in means are provided to adjust the tension of said spring.
4. In a bowling pin setting machine a lifting mecha
means 86 to urge only balls and not pins. Thus when
nism for balls »and pins comprising opposite upwardly
the bowling ball engages this feeler portion 69, the latch
moving lifting bars, said bars cooperating to engage be
is rocked about the pivot 65 dislodging the abutment sur
tween them balls and p-ins to be lifted, a ball kick-off
face 61 from engagement with the portion `62, so that the
spring 54 may swing the member 53 about its pivot 50 to 35 mechanism comprising a member pivoted to swing be
tween said opposite bars, a spring urging the member to
engage the ball and push it or kick »it yout of the lifting
swing about its pivot into the path of travel of a ball,
mechanism. A coil spring 71 encircles the portion of
means to adjust the tension of said spring comprising a
the latch «outward of the abutment 61 and is retained by
sector with Ia plurality `of openings any one of which may
a washer 72 in position. This spring serves as a buffer
or damper on the swing action of the member 53 by 40 selectively receive the end of said spring to adjust its
tension, latch means to hold said member against the
engaging the plate 63 (see FIG. 5). The action of this
action tof said spring, and trigger means in the path of
member l53 swinging from a point above the ball and
movement yof a ball only to be engaged thereby to release
engaging the ball below its center tends to lift the ball
the latch and permit said member to swing under the
from the engaging bars Z1, 22 so that there is little or no
action of said spring to move a ball from the lifting
friction and therefore little wear on the bars as the ball
45 mechanism.
is discharged therefrom.
A reset mechanism is provided for the ball kicker as
5. In a bowling pin setting machine a lifting mecha
shown in the lower portion of FIGS. 3 and 5. This reset
nism for balls and pins comprising opposite upwardly
mechanism comprises -an larm 73 pivoted at its lower end
moving lifting bars, said bars cooperating to engage be
at 74 to a part 32 fixed to the upright frame and carrying
-tween them yballs and pins to be lifted, a ball kick-off
50
fixed arcuate arms 75 with rollers 76 at its end which
mechanism comprising a member pivoted to swing be
extends into the path of movement of the ball carrying
bar Z1', 22 although clear of the path of the ball. This
tween said opposite bars, a spring urging the member to
swing about its pivot into the path of travel of a ball,
roller is flanged as at 77 so that as the bar engages it,
‘Latch means to hold said member against the action of
the bar cannot slip from its end surface axially of the
said spring, means to pivot said latch on said member,
roller to become disengaged therewith. Thus, as the bar 55 said latch engaging a part ñxed with reference to said
engages Ithe roller 76 when in this position shown in FIG.
member and extending into the path of movement of the
5, the roller will cause the arm 73 to swing from the
ball to act as a trigger means for ‘release of the latch and
position shown in FIG. 5 to the position shown in FIG. i3,
permit said member to swing under the action of said
and as this occurs, the connection shown generally at 78
spring to move the ball from the lifting mechanism.
comprising »a slot '79 in arm 73 and a pin 80 supported 60
6. ‘In a bowling pin setting machine a lifting mecha
between ears 81 extending rearwardly from the member
nism for balls and pins comprising opposite upwardly
53 will swing the member 53 from the position shown
moving lifting bars, said bars cooperating to engage be
in FIG. 5 to the position shown in FIG. 3 and as this
tween them balls and pins to be lifted, a ball kick-off
occurs the latch 59 will move from the position shown
65 mechanism comprising a member pivoted to swing be
in FIG. 5 to the position shown in FIG. 3. Its abutment
tween said opposite bars, a spring urging the member to
surface 61 will engage the abutment surface 62 to hold
swing about its pivot into the path of travel of a ball,
the> arm 53 in retracted position, and this retracted posi
latch means to hold said member against the action of said
tion will remain until another ball engages the feeler
spring, trigger means in the path of movement of a ball
portion 69 so `as to trip the latch and cause the arm 53 70 only to be engaged thereby to release the latch and per
to again swing to discharge the ball from the lifting
mechanism.
mit said member to swing under the action of said spring
to move a ball from the lifting mechanism, and reset
means engageable with the subsequent lifting bar to re
store said pivoted member and latch to initial position
of a bowling pin setting machine which is simple in con 75 comprising a pivoted arm with a slot and pin connection
From the above it will be seen that we liave provided
an apparatus for use in association with the mechanism
3,097,847
to said member and a part in the path of movement of the
lifting bar.
7. In a bowling pin setting machine a lifting mechanism
for balls and pins comprising opposite upwardly moving
lifting bars, said bars cooperating to engage between them
the work to be lifted, a kick-off mechanism comprising
6
8. vIn a bowling pin setting machine as in claim 7 where
in a second spring is attached to one of said arms to move
the lever to retracted position.
References Cited in the ñle of this patent
UNITED STATES PATENTS
a bell crank lever pivoted to swing between said opposite
bars and having two arms extending from the pivot at an
angle to each other, one of said arms engageable with
2,341,476
2,902,282
the work to eject it and a spring attached at one end to the 10
other arm and means to actuate the other end of the spring
2,920,891
Sherman _____________ __ Ian. 12, 1960
2,990,176
Smiley et al ___________ __ June 27, 1961
to resiliently urge the lever to swing between said bars for
discharging the fwork from the lifting mechanism.
Parra et al _____________ __ ‘,Feb. 8, 1944
Troiano _____________ __ Sept. 1, 1959
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