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Патент USA US3068016

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Dec. 11, 1962
R. L. HOLLOWAY
3,068,006
BOWLING BALL RETURN MECHANISM
Filed.v July 10, 1958
FIG.
44
26/
21ml]
INVENTOR
‘
-
%
ROBERT L ‘HOLLOWAY
BY
4ATTORNEY
W
United States Patent ()?ice
1
‘3,068,006
Patented Dec. 11, 1962
2
ling apron'12 which in the embodiment illustrated is pits
3,068,006
.
wide. Conveyor 12 which preferably is continuously in'
motion in the direction of arrow B, FIGURE 2, in pit P,
describes an inclined path of travel around rollers 14 and
_
BOWLING BALL RETURN MECHANISM
Robert L. Holloway, Snyder, N.Y., assignor to American
Machine & Foundry Company, a corporation of New
Jersey
16 mounted on transverse shaft 18 and 20, suitably'sup
ported in plates 22 and 24 at the front and rear of pit P.v
Shaft 18 and 20 and rollers 14 and 16 mounted thereon
are driven in any convenient manner in the direction. of
the arrows shown in FIGURE 2 to deliver balls 10 and
apparatus and more particularly to apparatus for remov 10 pins (not shown) to the rear of pit P. Plates 22 and 24
ing a bowling ball from the pit of a bowling alley to a
are, in turn, secured to the conventional kick-backs K of
ball return device.
alley A, as shown in FIGURE 1.
Filed July 10, 1958, Ser. No. 747,654
7 Claims. (Cl. 273-49)
The present invention relates to bowling ball handling
In the game of bowling and especially in bowling alleys
Pins (not shown) on conveyor 12. are delivered‘ there
served by bowling pin spotting machines, the problem
by to chute 21 at the rear of pit P and into a suitable ele
exists in expediting the removal of bowling balls from 15 vating mechanism M mounted between plates 22 and 24'
the alley pit in order that balls may be returned to the
at the rear of pit P adjacent rear cross-member 26. Plows
bowlers in a minimum of time, and play speeded up
28 and 30 located at opposite sides of conveyor 12 and
thereby.
suitably secured to the inner faces of plates 22 and 24 re-v
The present invention is characterized by the provision
spectively operate to direct pins on conveyor 12 over chute
in the pit of improved means operative to urge a ball de-r
posited into the pit toward an opening in the kick-back of
the alley and to a ball return device.
20 21 and into elevating mechanism M.
-
Conveyor 12, chute 21 and pin elevating mechanism M
Mechanism em
and plows 28 and 30 may be similar in construction and
operation to those shown in Holloway‘ et a1. Patent:
bodying the invention preferably comprises a transverse
spiral roller and a bounce, board or platform spaced lon
2,767,983 for Bowling Pin Elevating Mechanism. Only
gitudinally therefrom. These members are located in the 25 so much of a disclosure thereof as is necessary for a com-4
pit preferably beneath a travelling surface inthe pit, form
plete understanding of the present invention is included‘
ing a guide trough for the ball which is impelled by the
herein in the interests of brevity.
. _
, .
spiral roller laterally of the pit to a ball‘ exit in one of the
Platform 32 is mounted beneath the upper lap of con
kick-backs of the associated alley.
veyor 12 as shown in FIGURES 1 and 2 on sets of brack-l
Further, there is provided an improved system to pre 30 ets 31 and 36 secured toplates 22 and 24 respectively.‘
vent the exit of bowling pins from the pit which would
Platform or bounce board 32 thus prevents the upperlap
disrupt the operation of the associated machine. In the
of conveyor 12 from sagging under the weight or impact
present invention, there is provided a travelling surface
of bowling balls 10 or pins deposited thereon. In addi
adjacent the ball exit to engage any pins attempting to
tion platform 32 isprovided with a diagonal beveled edge
escape from the pit with a ball. Pins engaged by this 35 33 forreasons more fully set forth hereinbelow.
travelling surface are conducted against a diverting mem
Mounted beneath and adjacent the upper lapaof con
ber, the pins being cammed thereby onto the pit conveyor.
veyor 12 is a third roller 34 provided with a circumferen
Balls, however, gravitate on the travelling surface away
tial spiral grooving 35. Roller 34 is secured to shaft 37
from the diverting member to a ball return device for
supported in plates 22 and 24 generally parallel‘ to but"
40 spaced from the beveled edge 33 of platform 32 less than
rapid return to the head end of the alley.
It is therefore an object of the present invention to pro_
the diameter of bowling ball 10. Shaft-37 is driven'pref-‘
vide a novel device for removing a ball from the pit of
erably constantly in any convenient manner to rotate
a bowling alley.
spiral roller 34 in the direction of the arrow illustrated
It is a further object of this invention to provide a
in FIGURE 2.
~
_ i
novel pit conveyor embodying a spiral roller to remove 45
In operation, a ball 10 deposited on’conveyor 12 .gravi-1
a bowling ball from the pit of a bowling alley.
tates or is carried thereon rearwardly toward elevating
A further object of this invention is to provide a novel
mechanism M until it engages backstop member 38 sup
ball handling mechanism for removing a ball from the
ported transversely above conveyor 12 on brackets 39 seg
pit of a bowling alley to a ball return device.
cured to suitable framework (not shown). Backstop 38
50
An added object of the present invention is to provide
is spaced from the upper lap of conveyor 12 a distance
a novel pin handling mechanism to prevent the escape of
less than the maximum diameter of a bowling ball but
pins from the pit of a bowling alley.
greater than the maximum diameter of a'bowlingpin.
Thus backstop 38 permits free passage therebeneath of
pins on conveyor 12 but intercepts all balls carried there‘-v
selected to illustrate the invention progresses. In the ac 55 on. Backstop 38 is positioned ‘to engage a ball 10 on,
companying drawings, which form a part of this speci?ca
conveyor 12 adjacent spiral roller 34 and is mounted in
tion, like characters of reference have been applied to
a generally parallel relationship thereto asshown best
corresponding parts throughout the several views which
in FIGURE 1. '
'
’
.
'
make up the drawings.
Ball 10 engaged by backstop 38‘ will be deposited there
60
FIGURE 1 is a plan view of the pit end of a conven
by in the groove or trough 40 formed by spiral roller 34
tional bowling alley.
and the beveled edge 33 ‘of platform 32. 'It will be under:
FIGURE 2 is a view, partly in section, taken along line
stood that if ball v10 is moving suf?ciently slowly on con:
2—2 of FIGURE 1.
'
veyor 12, it will enter trough 40 without ?rst being .en-‘
Other objects and features of the invention will appear
as the description of the particular physical embodiment
FIGURE 3 is a view taken along line 3--3 of FIG
URE 1.
.
Referring to FIGURE 1, the bowling ball return mech
anism chosen to illustrate a preferred embodiment of the
invention is shown mounted in the pit P of a conventional
65
gaged by backstop 38. In normal operation, however,
ball 10 possessses an excess of forward momentum which
is ?rst dissipated by engaging backstop 38 before it ‘is
deposited thereby into trough 40. _
v
-
'
, '
Ball 10 in trough-40 is positively urged by the'spiral
bowling alley A. Bowling balls 10 and pins (not shown)
grooving 35 of rotating roller 34 in the direction of ari
removed into pit" P from the playing surface of alley A 70 row' D, FIGURE 1, and through an opening-42 provided
‘ are deposited onto the upper lap of ,a conveyor or travel
therefore in plate 22. Ball 10, thus moved? by'Iroller-534
3,068,006
3
4
through opening 42, emerges into the space 55, prefer
ably between two side-by-side or adjacent bowling alleys.
Ball 10, entering into space S, is deposited onto the
said opening, a diverting member, means mounting said
diverting member above said traveling surface, and
means for driving said surface to divert pins moving out
upper lap of a second travelling conveyor 44. Convey
or 44 which preferably is continuously in motion in the
direction of arrow C, ‘FIGURE 3, in space S, describes
member, whereby said member re-directs said pins back
an inclined path of travel around rollers 46 and 48 mount
of said pit through said opening against said diverting
into said pit.
4. Pin and ball handling apparatus for use with a bowl
ing alley having a pit at one end, kickbacks located at
ed on transverse shafts 50 and 52 suitably supported at
opposite sides of said pit, and one of said kickbacks be
one side in plates 22 and at the other, in plate 54 of the
adjacent alley. Plate ‘54 is secured to the associated 10 ing formed with a ball discharge opening and a ball re‘
turn device, comprising in combination a traveling con
kickback K. of the adjacent alley and provided with an
veyor, means mounting said conveyor exteriorly of said
opening 55 corresponding to opening 42 to permit the
one of said vkickbacks and in position to receive balls
release of balls from its associated pit to a suitable com
moving out of said pit and through said opening for de
mon ball return device serving both alleys. Shafts 50
livery to said device, a diverting device mounted adjacent
and 52 and rollers 46 and ‘48 mounted thereon are driven
in any convenient manner in the direction of the arrows
shown in FIGURE 3.
Any pins which gravitate or are inadvertently urged by
ball 10 through openings 42 and '55 and onto conveyor
the upper surface of said conveyor, and means for mov
ing said conveyor to move pins passing through said
opening onto said conveyor against said diverting device,
whereby said device re-directs said pins back into said
44 are engaged thereby and carried thereon in the direc 20 pit.
5. The invention de?ned in claim 4 wherein said con
tion‘ of arrow E. Pins, thus carried on conveyor 44,
veyor comprises an endless belt having an upper ball
engage diverter member 56 and are cammed by either of
and pin supporting lap inclined upwardly toward said
the inclined faces 57 thereof back through either respec
diverting device, and a cam face on said diverting de
tive openings ‘55 or 42 for delivery to the associated
25 vice which when engaged by a pin advanced thereagainst
mechanisms M.
by said lap of said conveyor directs said pin back into
Ball 10, however, because of its weight and spherical
said pit, and the inclination of said lap of said conveyor
shape will gravitate on conveyor 44, opposite to its di
being such that balls delivered thereon roll therealong to
rection of travel, toward and onto rails -R of a suitable
said ball return device.
‘ball return runway for rapid return by a ball return de
6. Pin handling apparatus for use with a bowling alley
30
vice (not shown) to the head end of alley A.
having
a pit at one end and a ball discharge station ad
What I claim is:
jacent one of the kickbacks of said alley in the pit there
1. Ball and pin handling apparatus for use with a
of comprising a travelling surface having an upper lap,
bowling alley having a pit at one end, kickbacks located
means mounting said surface adjacent said vball discharge
at opposite sides of said pit, and a ball discharge station
adjacent one of the kickbacks of said alley in the pit 35 station for receiving balls passing through said discharge
station and conducting them to a ball return device, a
thereof, comprising a travelling conveyor, means in
diverting member positioned adjacent said travelling sur
clinedly supporting said conveyor adjacent said one of
face at a point remote from said ball return device, said
said kickbacks and exteriorly of said pit between said
diverting member having an inclined cam face transverse
discharge station and a ball return device, a diverting de
vice adjacent the upper surface of said conveyor at said 40 to said upper lap of said travelling surface and means
for driving said travelling surface to move pins inadvert
discharge station, said diverting device provided with at
ently removed from said pit into operative relationship
least one cam face, and means for travelling said con
with said cam face whereby said pins are urged back
veyor to move pins only received thereon from said pit
into
said pit for delivery therefrom.
.
against a cam face of said diverting device whereby pins
7. Pin handling apparatus for use with a pair of side
on’ said conveyor are directed by said cam face back into 45
said‘ pit, the inclination of said conveyor being operative
by-side bowling alleys, each of said alleys having a pit
to deliver balls only to said ball return device.
2. Ball and pin handling apparatus for use with tWo
said pit, said alleys mounted with adjacent kickbacks
at one end and conventional kickbacks at the sides 0f
thereof spaced a distance apart greater than the maximum
backs at the sides of said pit, comprising means mount 50 diameter of a bowling ball and having a ball exit in each‘
side by side bowling alleys each having a pit and kick
ing said alleys with adjacent ‘kickbacks thereof spaced a‘
distance apart greater than the maximum diameter of ‘a
of said adjacent kickbacks, pin and ball handling mecha
nism comprising an endless belt travelling conveyor hav
ing an upper lap, means mounting said conveyor adjacent
said ball exits between said adjacent kickbacks‘ for re
bowling ball, each of said adjacent kickbacks being pro
vided with an opening through which bowling balls may
ceiving balls passing through said exits and conducting
roll from the pits of said adjacent alleys, conveying means 55 them to a common ball return device, a diverting mem
located in said space between said kickbacks, a divert
ber positioned adjacent the upper lap of said travelling
ing device positioned between said kickbacks and at the
conveyor at a point remote from said ball return device,
rear of the path of travel of said conveyor, said diverting
device being provided with two opposed de?ecting faces,
means for driving said conveyor to move any bowling
said diverting member having inclined angularly arranged
60 cam faces, said cam faces being disposed in planes sub
stantially at right angles to the upper lap of said convey
pin‘s' received thereon from the pits of said alleys into
or and means for driving said travelling conveyor to
operative relationship with said de?ecting ‘faces of said
move pins inadvertently removed from‘ either of said pits
into operative relationship with one of said cam faces
diverting device, whereby said pins are urged ‘back into
said pits for delivery therefrom, and means mounting said 65 whereby said pins are urged thereby back through an as
sociated exit into their associated pit for delivery there
conveyor such that bowling ‘balls received thereon will
roll to a point of discharge therefrom inv a direction op
posite to the path of travel of said conveyor.
3. Pin and ball handling mechanism for use with a
from.
References Cited in the ?le of this patent
UNITED STATES PATENTS
bowling alley having a pit at one end, kickbacks located 70
at opposite sides of said pit, and a ball discharge opening
2,531,167
2,626,802
through one of said kickbacks, comprising in combina
2,699,944
tion a traveling surface, means mounting said traveling
2,767,983
surface exteriorly of said one of said kickbacks and in
2,785,898
position to receive balls moving out of said pit through
Simpson ____________ _- Nov.
Simpson ____________ -_ Jan.
Keesling ____________ __ Jan.
Holloway ____________ .._ Oct.
Zuercher ____________ __ Mar.
21,
27,
18,
23,
19,
1950
1953
1955
1956
1957
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