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Патент USA US3089422

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May 14, 1963
H. H. POORT
3,089,412
BOWLING BALL PRESS
Filed Oct. 21, 1960
J7
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W-aa (62
64
INVENTOR.
H. HAROID POORT
H6. 2
By
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A Tram/5Y5
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United States Patent 0 F IC@
3,089,412
11 Claims. (Ci. 101-4)
This invention relates to a mechanical press, and more
Patented May 14, 1963
2
1
BOWLH‘JG BALL PRESS
Henry Harold Poor-t, Grand Haven, Mich, assignor to
Dake Corporation, Grand Haven, Mich, a corporation
of Michigan
Filed Oct. 21, 1960, Ser. No. 64,092
3,089,412
impression members on the ball by removing all rota
tional play in the letter holding block.
Refer-ring now more speci?cally to FIG. >1, numeral 10
represents a lettering press which includes frame 12,
bowling ball receiving member 24, mounted at the bottom
of the frame, and a letter impression assembly 11 mounted
at the top of the frame directly above the bowling ball
receiving member 24.
Frame 12 is composed of a base 14, side supports 16
particularly to a device for impressing identi?cation marks 10 and top cross support 18. The side supports 16 may be
a common channel section as shown more particularly in
on bowling balls and the like.
FIG. 3. The base 14 and top cross support 18 may each
The increased popularity of bowling over the last
be formed of two similar and oppositely facing channel
decade has caused a need for identi?cation on bowling
members welded or otherwise ?xedly attached to the ends
balls due to the large number of balls present at any one
time in a bowling alley establishment. A practical way 15 of the side supports 16. In FIG. 2 the top cross support
18 is seen as composed of the two oppositely facing
of identifying one’s personal bowling ball is by marking a
channels 20 and 22. The base ‘14 may be likewise
name or initials on the surface of the ball. This marking
formed. Of course, such a frame structure may be modi
must be permanent in nature in order to be effective, how
?ed in various ways without departing from the scope
over. Also, since the material of which a bowling ball is
of this invention.
made is very hard, the device utilized for ‘marking must
ment in which such a marking device is desired will gen
The bowling ball receiving member is mounted upon
the two oppositely facing channel members which form
the base 14. This receiving member 24 is a plate having
erally not be very large and the volume of business will
a concave surface 26 in which a bowling ball is to be
be capable of impressing such material, and yet be simple
and smooth in operation. Since the size of any establish
not justify large expensive marking machines, a suitable 25 seated, as shown in plantom by ball B in FIG. 1. lviem~
ber 24 is fastened to the base channels by bolts 28, or the
marking device must be inexpensive.
like.
The necessity of utilizing entirely different letters for
Mounted directly above plate 24 is the letter impres
each impression operation further necessitates readily
sion device 11. It is mounted on a supporting plate 30
interchangeable and replaceable impressing symbols in the
These individual replacement letters must be 30 fastened below the two oppositely facing channel mem
bers 2t} and 22 as shown in FIGS. 1 and 2. Immediately
above this plate 30 is a mounting block 49 which thread
spherical surface of the ball.
ably receives a screw member '34. Pins 36 pass through
Therefore, it is an object of this invention to solve the
both of the oppositely facing channel members 20 and 22
above problems. This is accomplished byproviding a
device for rapidly and easily identifying bowling balls and 35 to hold this mounting block ?rm via ?anges 38 above and
below each pin on both sides of the mounting block 40‘.
the like; which device is relatively inexpensive so that it
This block 4t} has a central threaded ori?ce to receive
may be placed in any bowling alley or sport shop; which
screw member 34. This screw drive means is provided
is simple to operate; with which various identi?cation
with a crank 42 so that it may be manually rotated to
symbols such as letters may be readily inserted or
cause up or down movement within the stationary mount
removed.
40
ing block. If desired, a slow speed motor may be utilized
It is a further object to provide a bowling ball lettering
device.
properly oriented to obtain a uniform impression on the
to drive the screw in place of manual crank 42.
At the base of screw 34 a cap member 44 is rotatably
fastened. Suitable bearing means 46 may be interspersed
tional resistance and accurate alignment characteristics
due to an improved guide bar having plastic sleeves 45 between this cap member and the screw member to both
hold the ‘cap member up and also provide a freely rotat
thereon. These and other objects of this invention will
press which will operate very smoothly under simple
manual or power means and will possess minimum fric
be apparent from a scrutiny of the following speci?cation
as supplemented by the drawings in which:
able coupling. This cap member 44 is ?xedly attached
to a letter or impression piece receiving and holding
block 48. This block is also shown in more detail in
FIG. 1 is an elevational view of the bowling ball press;
FIG. 2 is a partial top View of the press shown in 50 FIGS. 3 and 4 and may be'made of any desired metal
such as steel. The block 48 is attached to the cap 44 by
FIG. 1, depicting the drive mechanism;
a suitable strap or plate 5d which may be inserted inside
FIG. 3 is a partial cross section through the plane
of the two members 44 and 48 and anchored by retaining
pins 52 or the like.
Referring now to FIG. 4, it is shown how letter receiv-'
FIG. 4 is an elevational view of the letter receiving 55
ing means ‘48 isprovided with an insert'54l made of an
block member.
aluminum alloy or other non-magnetizable material.
Basically, this invention provides a lettering press for
This insert 54 is fastened to the block 48 by bolts 5'6 or
bowling balls and the like, wherein the press includes a
II—II of FIG. 1, showing the letter receiving block and
guide bar; and
ball receiving member mounted on the press frame and a
letter impression means mounted above the'ball receiver.
The impression means operates through a screw member
threadably mounted in the frame so thatlrotation of the
the like. If desired; the entire block 48 may be made of a
non-magnetizable material so that an insert is not neces
sary. A series of cavities 58 are provided in the lower
surface of this insert block 54 for retaining letter impres~
sion members (notshown).- The letter impression mem
bers are held in place by button magnets oil or the like
means, such as a block having cavities, to impress identify
mounted at the base of each of the cavities 58 as shown
ing marks or letters upon the ball surface. A rotational 65 in FIG. ‘4. Thus letters may be inserted or removed at
bearing surface is provided on the base of the screw so
will veryeasily to provide different identi?cation marks.
that the letter impresser moves vertically but not rota<
The lower surface of the letter receiving block and its
tionally. Rotation of the letter holder is prevented by a
insert possess a concave surface as shown in FIG. 1 to
guide bar containing plastic sleeves. These plastic sleeves
matchthat of the bowling ball. Since the letters are
form a bearing surface between side supports of the frame 70 relatively narrow, the curvature need only be that of one
and the guide bar which slides on these side supports.
These sleeves also serve to accurately align the letter
Mounted on the back of the letter receiving block 48 is
screw causes downward movement of a letter receiving
plane.
.
.
a
,
3,089,412
3
4
a guide bar 62 as shown in FIGS. 1, 3 and 4. This bar
may be fastened to block 4-8 by bolts 65 or the like, uti
contacting portions of said frame to act as a bearing and
an aligning means.
2. In a press, the combination of a frame; a ball re
lizing spacer 66 as required. Mounted on each end of this
guide bar 62 are a set of plastic sleeves 64. These sleeves
serve to provide a bearing surface between the guide bar
ceiving member on the base of said frame; a vertical screw
drive means threadably mounted on said frame above said
62 and the rubbing surfaces of the lateral portions 16.
They also take up any rotational play which would other
wise exist between the guide bar and the lateral portions
drive means and above said ball receiving member; and
of the press. This facilitates effortless and accurate oper
'ation of the impression press to enhance its use in bowling
a guide member extending laterally of said letter receiving
member and contacting portions of said frame to prevent
alleys. The material used for these sleeves may be a vinyl
rotation of said letter receiving member, said guide mem
plastic such as polyvinyl chloride, a nylon material, poly
tetra?uoroethylene or other known plastic materials hav
guide member contacting portions of said frame to act as
ball receiving member; an impression-letter receiving
member rotatably mounted on the base of said screw
ber having plastic sleeves covering at least portions of said
ing suitable bearing properties.
Operation
15
a bearing and an aligning means.
3. In a lettering press, the combination of a frame; a
ball receiving member on the base of said frame; a verti~
cal screw drive means threadably mounted on said frame
In operation, the crank 42 is rotated to put the screw
34 and the letter receiving block 48 at their uppermost
above said ball receiving member; an impression-piece
holding member rotatably mounted on the base of said
position. The bowling ball, B shown in phantom, is then
screw, said holding member having a concave lower sur
placed in the cavity 26 of the plate 24 on base 14. The
face to accommodate a ball; cavity means in said concave
desired letter impression members are then placed into
lower surface capable of receiving impression pieces; a
cavities 58 of the letter receiving block insert 54. If the
guide member extending laterally of said impression-piece
desired number of letters cannot be ?tted into the cavities
holding member and contacting portions of said frame to
provided, a different insert block 54 may be substituted 25 prevent rotation of said holding member with said screw
for the one presently utilized by removing bolts 56. The
drive means; and a plastic sleeve mounted on each end of
letter impression members contain protruding negatives of
the symbol or letter to be impressed upon the ball. The
button magnets 60 retain the letter or symbol impression
members in place during the forming step. After these 30
letters are located, crank 42 is rotated to move screw 34
downwardly via the matching threads on screw 34- and in
the ori?ce mounting block 40. This rotative movement
of screw 34 tends to rotate cap 44, letter receiving block
48, and guide bar 62 also. Due to the bearing surface 46
‘between the cap and the screw, however, and due to the
guide bar 62 which bears upon the lateral portions 16,
said guide member to provide a bearing surface between
said guide member and said frame contacting portions and
to accurately align said holding member with said ball.
4. In a bowling ball lettering press, the combination of
a frame; a ball receiving member on the base of said
frame; a vertical screw drive means threadably mounted
on said frame above said ball receiving member; a letter
holding member rotatably mounted on the base of said
screw; cavity means in said letter holding member adja
cent the lower surface thereof for receiving magnetizable
letter impression members; magnetic means mounted in
the parts below cap 44 merely move in a downwardly di
said letter holding member for retaining letter impression
rection without rotating. The plastic sleeves 64 ‘facilitate
members in said cavity means; a guide member extending
this freely ?owing downward movement due to the lack 40 laterally of said letter holding member and contacting
of ‘frictional contact. As the letter receiving block 48
portions of said frame to prevent rotation of said letter
moves downwardly the protruding portions of the letter
holding member with said screw drive means; and a plas
forming or impression members in cavities 58 contact the
tic sleeve mounted on each end of said guide member to
surface of the bowling ‘ball. The concave surface of the
provide a bearing surface and to align said letter holding
lower portion of the letter receiving block and its insert 45 member with said ball receiving member.
block facilitate simultaneous contact of all of the protrud
ing portions on the several letters. A further partial turn
on crank 42 forces the letter impression members into the
surface of the bowling ball to provide permanent identi
?cation marks. The plastic sleeves on the guide bar fa
cilitate very accurate alignment of the identifying symbols
on the bowling ball since they prevent any play which
would be normally expected in this type of mechanism.
If desired, an ink may be placed on the protruding letter
negatives to supply coloring for even easier identi?cation.
Thus, it can be seen that a relatively inexpensive device
for easily and accurately providing identifying means on a
bowling ‘ball and the like has been provided. Certain ob
vious modi?cations will appear to those having skill in
the art when studying the above described invention.
These obvious and equivalent modi?cations are deemed to
be part of this invention which is intended to be limited
only by the scope of the structure de?ned in the appended
claims.
I claim:
5. In a bowling ball lettering press, the combination of
a frame; said frame having a base, side supports mount
ed on said base and extending upwardly therefrom, and
a top cross support spaced from said base and extending
50 between said side supports; a ball receiving member on
said base; a screw shaft threadably mounted in said top
support so that it may move vertically upon rotation
thereof; a letter holding member rotatably mounted on
the base of said screw shaft; said letter holding member
55 having a concave lower surface to accommodate a bowl~
ing ball; a plurality of cavities in said receiving member
adjacent said concave surface and capable of receiving
magnetizable letter impression members; magnet means
mounted in said letter holding member adjacent said
60 cavities for retaining letter impression members in said
cavities; a guide member mounted on and extending
laterally from both sides of said letter holding member
and overlapping said side supports of said frame; and a
plastic sleeve mounted on each of said guide members
65 adjacent said side supports to provide a bearing surface
1. In a press, the combination of a frame; a ball receiv
between said guide member and said side supports of said
ing member on the base of said frame; a vertical drive
frame and to accurately align said letter holding mem
means mounted on said frame above said ball receiving
ber with said ball receiving member.
member; an impression-letter receiving member rotatably
6. A bowling ball lettering press comprising the com
mounted on the base of said drive means and above said 70 bination of a frame; said frame having a base, side sup
ball receiving member; and a guide member extending
ports extending upwardly from said base, and a top cross
laterally of said letter receiving member and contacting
support extending between said side supports; a ball re
portions of said frame to prevent rotation of said letter
ceiving member on said base; a screw shaft threadably
receiving member, said guide member having plastic
mounted in said top support so that it may move ver~
sleeves covering at least portions of said guide member 75 tically upon rotation thereof," a letter receiving and hold
3,089,412
6
5
tion bearing surfaces on at least the portions of said
ing member rotatably mounted on the base of said screw;
said letter receiving member including an insert on the
lower surface thereof; said insert having a concave lower
guide member contacting portions of saidvframe to act
as a bearing and an aligning means.
9. In a press, the combination of a frame; a ball re
ceiving member on said frame; a screw drive means
surface to accommodate a bowling ball; at least one
cavity in said insert for receiving letter impression mem
bers; magnetic means mounted in said insert for retain
mounted on said frame and movable alternately toward
ing letter impression members in said cavity; a guide
and away from said ball receiving member; an impression
member mounted on and extending laterally from both
letter receiving member rotatably mounted on the end
of said drive means toward said ball receiving member;
and a guide member extending transversely away from
sides of said letter receiving member and overlapping
said side supports of said frame; ‘and a plastic sleeve
mounted on each end of said guide member to provide a
bearing surface between said guide member and said side
supports of said frame and to accurately align said letter
receiving member with said ball receiving means.
said letter receiving member and contacting portions of
said frame to prevent rotation of said letter receiving
member with actuation of said drive means; and said
guide member having low friction bearing sleeves cover
7. A bowling ball letter impression press comprising 15 ing at least the portions of said guide member contacting
the combination of a frame; said frame having a base,
side supports mounted on said base and extending up
wardly therefrom, and a top cross support extending
between and adjacent the upper ends of said side sup
ports; a plate having a concave upper surface mounted 20
on said base for receiving a bowling ball; a screw shaft
threadably mounted in said top support so that it may
portions of said frame to act as a bearing and an align
ing means.
10. In a press, the combination of a frame; a ball re
ceiving member on said frame; a rotational drive means
mounted on said frame and movable alternately toward
and away from said ball receiving member; an impres
sion letter receiving member rotatably mounted on the
end of said drive means toward said ball receiving mem
move vertically up and down upon rotation thereof; a
ber; and a guide member extending away from said
crank mounted on the top of said screw; a letter receiving
member rotatably mounted on the base of said screw; 25 letter receiving member and contacting portions of said
frame to prevent rotation of said letter receiving member
said letter receiving member having a concave lower
with actuation of said drive means; said guide member
surface to accommodate a bowling ‘ball; a plurality of
having low-friction, slightly-resilient bearing surfaces
cavities in said receiving member adjacent said concave
covering at least the portions of said guide member con
surface and capable of receiving magnetizable letter im
pression members; a plurality of button magnets mount 30 tacting portions of said frame to act as a bearing and
an aligning means.
ed in the walls of said cavities for retaining letter im
11. In a press, the combination of a frame; a ball re
pression members in said cavities; a guide member
ceiving member on the base of said frame; a vertical
mounted on and extending laterally from both sides of
screw drive means mounted on said frame above said ball
said letter receiving member and overlapping said side
supports of said frame; and a plastic sleeve mounted on 35 receiving member; an impression letter receiving member
rotatably mounted on the base of said drive means and
each end of said guide member to provide a bearing
above said ball receiving member; and a guide member
surface between said guide member and said side sup
extending laterally of said letter receiving member and
ports of said frame and to accurately align said letter
contacting portions of said frame to prevent rotation of
receiving member with said bowling ball receiving
means.
40
8. In a press, the combination of a frame; a ball re
ceiving member on said frame; a screw drive means
said letter receiving member, said guide member having
low-friction, slightly-resilient bearing surfaces on at least
portions of said guide member contacting portions of
said frame to act as a bearing and an aligning means.
mounted on said frame and movable alternately toward
and away from said ball receiving member; an impression
References Cited in the ?le of this patent
letter receiving member rotatably mounted on the end 45
of said drive means toward said ball receiving member;
UNITED STATES PATENTS
and a guide member extending from said letter receiving
member and contacting portions of said frame to prevent
rotation of said letter receiving member with actuation
of said drive means; said guide member having low fric 50
568,839
1,553,451
2,002,847
Cuppers _____________ __ Oct. 6, 1896
Lyon _______________ __ Sept. 15, 1925
Atti ________________ .__ May 28, 1935
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