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Патент USA US2407410

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Sept. 10,1946.
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J. D. FARRl'Es
_
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_2,407,409
NONFRIQTION BEAMNG BALL 'DISPENSER
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2 Sheets-Sheet 1
> sept. 1o, 1946.
Jg-D. FARRIES
~
2,407,409
NONFRIC'I‘ION BEARING BÁLL DISPENSER
Filed Dec.v s, l1944
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2,407,409v
Patented Sept. 10,_ 1946
UNITED sTATEs PATENT OFFICE
2,407,409
NONFRICTION BEARÍNG BALL DISPENSER
Jack D. Farries, Petersburg, Va.
Application December 8, 1944, Serial No. 567,275
6 claims. . (01.29-201)
1
The invention relates to bearing ball dispens
ing apparatus of the type employed to charge
non-friction bearing members into a raceway or
’
2
part of the invention but is depicted as `a non
friction bearing assembly with which the dis-`
pensing apparatus has utility and in respect to
which it will hereinafter be exemplified. Such
bearing assemblies have one or more ball-receiv
The dispenser to which the invention applies in
ing channels or circuits. Each circuit conforms
particular has utility in feeding the bearing balls
to the helix generated along the grooves of the
in worm shaft and nut assemblies conventional
worm shaft, as shown in Fig. 4, and when filled
in automotive steering gear mechanisms but is
with non-friction bearing balls in correct
not limited, within the purview of this invention,
10 amount; forms the bearing between the shaft ‘23
to a specific bearing assembly.
and nut 24 during the relative rotation of -these
An object of the invention is to provide a dis
members in operation of the steering column of
penser which will insure delivery of bearing balls
which they are a part.
in correct amount to the ball-receiving circuit.
An essentialrequirement of the bearing assem
Another object is to provide a dispenser which
J'
bly
is that each circuit thereof shall function
will insure safe disposition of the balls within the
separately from' the circuit adjacent thereto in
circuit.
order that the bearing balls therein may remain.
Another object is to provide a dispenser which ì
confined and circulate therein during rotation of
will be simple in operation and can be readily
the shaft and nut. To this end, each circuit in
and economically manufactured.
According to the invention the dispenser has a i the nut terminates in a pair of guide holes 2D and
2|, Fig. 7. The guide hole 20, for example, may
tubular magazine provided with visual indicia to
be the inlet of the circuit of which the guide hole
apprise the operator that the magazine is
2l will be the outlet. In practice, thenut is pro
charged with balls in correct amount, means be-vided with U-shaped, hollow guide members 25,
lng associated with the indicia to permit removal
which are inverted and fitted into guide holes as
from the magazine of an excess of balls. The
shown in Fig. 9, whereby to isolate each circuit
magazine has communication with the ball-re
and provide a separate channel therein for the
ceiving circuit at one end thereofr to charge the
circulation of the balls during operation of the
balls thereinto and a plug, insertible in the other
bearing
assembly. The guide members 25 may
end of the circuit, may be connected to the maga 30
be additionally filled with bearing balls, if re
zine to prevent ejection of the balls from the cir
quired by the assembly, such additional balls usu
cuit during the charging operation.
ally being fed into the guide members by hand
The invention is exemplified in dispensing ap
prior to insertion of the guide members into the
paratus shown in the accompanying drawings in
guide holes.
which the views are as follows:
The dispenser will be seen to have a normally
` Fig. l is a front elevation of a dispenser to fr
upright
tubular magazine l, which may be car
which the invention is applicable;
ried on a frame or standard 2 to which it may be
Fig. 2, an elevation of the push-rod employed
secured in any suitable manner as by welding.
to impel the balls from the magazine;
The magazine I has a funnel shaped inlet 3 at
Fig. 3, a side elevation, partially in section, of
40 the top thereof and terminates at the bottom in
the dispensing apparatus;
a discharge nozzle 4.
Fig. 4, an elevational View of a worm shaft and
Communicating with the magazine near the
nut assembly with the dispenser, partially bro~
bottom
thereof is a poppet chamber 5, in which
ken away, in operative application thereto;
is carried a spherical stop member or poppet ball
Fig. 5, an elevation, partially in section, of the
6. The poppet ball is yieldingly held in place by
magazine and plug attachment thereto;
a spring 'l upon which compression is main
Fig, 6, a fragmentary view of the stop means
tained by a set screw 3, to urge the poppet ball
for restraining the balls in the magazine;
against the bottom-most ball of a column of balls
Fig. 7, a plan view, taken from the line 1_1,
9, stored in the magazine. Thus, the poppet ball
of the worm nut shown in Fig. 4;
serves to prevent the column of ballsthereabove
Fig. 8, a vertical section through the attach- '
from falling out of the magazine, prematurely,
ment of the plug to the magazine;
during operation of the dispenser.
Fig. 9, a'perspective view of the worm nut with
The magazine is slotted as at l0 at such eleva
guide members inserted therein.
'
K
tion
along the magazine as to disclose the top
It will be understood that the worm shaft and
most ball of a column of balls of pre-determined
nut assembly herein described does not form a
like ball-receiving circuit.
2,407,409
3
4
number intended for deposit in the ball-receiv
ing circuit.
The slot Il) is provided with a stop I I which is
pivotable in and out of registration with the slot
ent sizes may be accommodated by the dispenser,
the mechanic simply pivoting the spindle I1 until
by a rotatable thumb latch having a knurled head Ul
IZ which is headed upon a stem I 3 which may
is brought into operative position for insertion in
obvious manner to guide holes of varying spac
ings, Thus, bearing assemblies of several differ
the plug of desired spacing from the nozzle 4,
be journaled in the standard 2. The latch has a
its respective guide hole. It will be understood,
spring I4 by which it is urged normally inward
also, that the slot Il! may be repeated along the
against the magazine to restrain the top-most
magazine, as at Ilia, to adapt the visual indicat
ball and thereby maintain the column of balls lO ing means to a column of balls of any pre-deter
intact between the stop I I and the poppet ball 6,
mined number, and the slot provided with the
prior to the discharge of the balls from the dis
stop and latch member shown at the slot Irl.
penser.
The dispenser has a push-roel- Iâ», in-ser-tible
in the magazine from the top thereof, to expel
the column of balls from the magazine.
Spaced from the nozzle 4» and substantially
parallel thereto is a plug I6 which is pivotably
connected to the magazine by a rotatable stem
or spindle Il. The spindle Il is detachably held
on a socket lil which may be formed against
the standard 2, athumb-screw Iä- being threaded
into the socket I8 to secure the spindle against
rotation or detachment.
In practice, the magazine is filled with a sup
ply of balls the mechanic noting when the col
umn of balls thus fed into the magazine has
reached the indicating slot It, whereby he is
apprised that the correct number of balls intended for the circuit is stored> within the magazine.
The stop II, which has been pívoted out of en
gagement with the slot during the filling of the
While the invention has been exempliiied in a
dispenser having a frame or standard against
which the magazine I has been shown mounted,
it will be understood that the standard i may be
omitted and the fittings whereby the stop I I , the
poppet chamber 5, and/or the plug socket member
it, are connected to the dispenser may be secured,
as by welding, directly to the tubular member i.
As hereinafter claimed, the term “column” refers
to the column. of bearing balls of pra-determined
` number, and the term “magazine” to the tubular
structure l, with or without the re-inforcing
member, the standard 2.
While herein described as tubular in form, the
magazine may embody an open rack or like elon
gated enclosure, disposed in a substantially up
dispenser is invertedr to-eXpelt 'therefrom any ex
right position, for storage of the bearing balls
intended to be charged into the ball-receiving
channel.
Of course, the magazine has utility without the
plug I E, or the modifications thereof hereinbefore
described, as, for example, in feeding a raceway
cess balls which the mechanic has fed into the '
or circuit from one end thereof.
magazine, the stop Il functioning to restrain the
it will be understood that the invention is sus
ceptible of various modifications without depart
ing from the scope thereof as hereinafter claimed,
magazine, is now moved into the.> slot and the
column of balls therebelow from following the
excess balls out of the funnel end of the maga
zine when held in its inverted position.
I claim:
The' dispenser is then applied` to the ball-re 40
l. A bearing ball dispenser comprising a tubular
ceiving channel or circuit as shown in Fig. 4, the
magazine having an inlet in the top thereof for
nozzle 4 being inserted in a guide hole 2|)l at one
the reception of a supply of bearing balls and an
end of a ball-receiving circuit, and the plug Iâ
outlet in the bottom thereof for communication
being fitted to al guide hole- 2IY at the other end
with a ball-receiving circuit, said magazine hav
of the circuit. The' push rod I5 is» inserted into
ing an indicating slot at substantially the eleva
the magazine and the column of balls intended
tion of the top of a column of balls of predeter
for the circuit is' rammed past the poppet ball ii
mined number, a stop movable into said slot to
and charged into the circuit. The plug I6 serves
restrain said column at the top thereof, a push
as an abutment against which the balls dis
rod insertable in-said magazine to discharge said
n
posed in the circuit are brought to rest in suit el. column therefrom, means associated with said
able position and prevented from being ejected
magazine near the bottom thereof to support said
out of the circuit by the force applied in manipu
column and yieldable to permit the passage there
lating the push rod I5.
of upon operative application thereto of said push
The nozzle 4 and plug I6 may be counterbored
rod.
in any suitable manner as at 2l to facilitate the
2. A bearing ball dispenser comprising a tubu
correct relative position of the balls within the
lar magazine having an inlet in the top thereof
circuit.
for the reception of a supply of bearing balls and
Having charged the ball-receiving circuit, the
an outlet in the bottom thereof for communica.
mechanic proceeds with the assembly- of the worm
tion with the inlet of a ball-receiving circuit, said
shaft and nut.
magazine having an indicating slot at substan
Thus, it will be seen that the dispenser enables
tially the elevation of the top of a column of balls
rapid and safe' delivery of the balls intoV the cir
of pre-determined number, a stop movable into
cuit, for, if fed into the circuit by hand, the balls
said slot to restrain said column at the top there
may well be excessive in number through an error
of, a push rod insertable in said magazine to dis
by the mechanic. An excess ball in the circuit
charge said column therefrom in a continuous
may become wedged in the threaded interior of
stream, means associated with said magazine near
the bearing assembly to the detriment and injury
the bottom thereof to support said column and
of its non-friction properties.
yieldable to permit the passage thereof upon
The stem or spindle Il may have formed there
operative application thereto of said push rod, a
on a plurality of plugs in any convenient number,
plug associated with said magazine and spaced
each plug being spaced at varying distances from
therefrom for engagement with the terminus of
the nozzle 4. The drawings illustrate an addi
said circuit to check ejection therefrom of said
tional plug 22, but other plugs, radiating out from
the spindle may be formed thereon to provide a
selectivity of plugs toV adapt the dispenser in an
column.
`
3. A bearing ball dispenser comprising a nor
mally upright tubular magazine havingl an inlet
2,407,409
5
in the top thereof for the reception of a supply
of bearing balls and an outlet in the bottom
thereof for communication with the inlet of a
ball-receiving circuit, said magazine having slot
6
for communication with the inlet of a ball-re
ceiving circuit, said magazine having slotted in
dicia at substantially the elevation of the top of
a column of bearing balls of pre-determined
number, means associated with said indicia to
restrain said columnat the top thereof` a push
rod insertable in said magazine to manually dis
charge therefrom said column of bearing balls,
ted indicia at substantially the elevation of the
top of a column of bearing balls of pre-deter
mined number, means associated with said in
dicia to restrain said column at the top thereof,
means associated with said magazine near the
a push rod insertable in said magazine to man
ually discharge therefrom said column of balls, a 10 bottom thereof to'support said column and yield
able to permit passage thereof upon operative ap
column support associated with said magazine
plication thereto of said push rod, a spindle as
near the bottom thereof and comprising a later
sociated with said magazine adjacent the klower
ally disposed chamber, a stop member carried
end thereof, a plurality of plugs radiating there
thereby and partially projecting into said maga
from and each plug being spaced at Varying in
zine, a compression spring arranged in said cham
tervals from said magazine to effect selective ac
ber to yieldingly urge said stop member against
commodation of said plugs to circuit terminals of
said column at the bottom thereof and a set screw
varying widths.
threaded in said chamber to adjustably maintain
6. A bearing ball dispenser comprising a nor
said spring in compression.
4. A bearing ball dispenser comprising a nor 20 mally upright tubular magazine having an inlet
in the top thereof for the reception of a supply
mally upright tubular magazine having an inlet
of bearing balls and an outlet in the bottom there
in the top thereof for the reception of a supply
of for communication with the inlet of a ball
of bearing balls and an outlet in the bottom
receiving circuit, said magazine having slotted
thereof for communication with the inlet of a
indicia at substantially the elevation of the top
ball-receiving circuit, said magazine having slot
of a column of bearing balls of pre-determined
ted indicia at substantially the elevation of the
number, means associated with said indicia to
top of a column of bearing balls of pre-deter
restrain said column at the top thereof, a push
mined number, means associated with said in
rod insertable in said magazine to manually dis
dicia to restrain said column at the top thereof,
a push rod insertable in said magazine to man
ually discharge therefrom said column of balls, a
column support associated With said magazine
near the bottom thereof and comprising a lat
erally disposed chamber,V a stop member carried
thereby and partially projecting into said maga
zine, a compression spring arranged in said cham
ber to yieldingly urge said stopl member against
charge said column of balls therefrom, a column
support associated with said magazine adjacent
the bottom thereof and comprising a laterally
disposed chamber, a stop member carried there
by and partially projecting into said magazine, a
compression spring arranged in said chamber to
yieldingly urge said stop member against said col
umn at the bottom thereof and a set screw
threaded in said chamber to adjustably maintain
said spring in compression, a spindle associated
screw threaded in said chamber to adjustably
maintain said spring in compression, a plug as 40 with said magazine near the lower end thereof,
a plurality of plugs radiating therefrom and each
sociated with said magazine and spaced therefrom
plug being spaced at varying intervals from said
for engagement with the terminus of said circuit
magazine to effect selective accommodation of
to check the ejection therefrom of said column.
said plugs to circuit terminals spaced at varying
5. A bearing ball dispenser comprising a nor
widths.
mally upright tubular magazine having an inlet
JACK D. FARRIES.
in the top thereof for the reception of a supply of
bearing balls and an outlet in the bottom thereof
said column at the bottom thereof and a set
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