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Патент USA US2117023

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May 10, 1938.
K. v. EKLOV
2,1 17,023
AUTOMATIC PAINT STRIPER
Filed June 24, 1937
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May 10,‘ 1938.
K. v. EKLOV
2,117,023
AUTOMATIC PAINT STRIPER
Filed June 24, 1937
2 Sheets-Sheet 2
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ATTORNEY.
Patented May 10, 1938
2,117,023
UNITED STATES ATENT: OFFICE
2,117,023
AUTOMATIC PAINT STRIPER
Karl V. Eklov, Detroit, Mich.
Application June 24, 1937, Serial No. 150,127
5 Claims. (01. 91-eao)
This invention relates to a‘paint striping de
showing a modi?ed nib recess across the inner
vice, and is an improvement of my former stripers
end thereof, adapted for multiple ‘nib units.
set forth in Patent No. 1,992,744, issued Feb. 26,
1935, and No. 2,021,230 issued Nov. 19, 1935.
The object of my invention is to produce a paint
striping device that is adapted for both vertical
Fig. 1.1 is a sectional view lengthwise a modi
?ed detachable nib, as taken on‘ the line ll--ll
of the Fig. 10, showing the multiple roller nib 1’
construction.
and horizontal striping, by simple adjustment of
the striping unit position, and without removing
struction of my device, referring to the drawings
the paint from the container.
Another object is to provide a universal strip
and the marks thereon.
The casing i is made an elongated metal body
ing device having interchangeable striping nibs,
section, preferably of cylindrical cross-section,
removable without dis-assembling the device, and
without leakage through the paint channel.
A further object is to produce an automatic
15 striping unit provided with position indicator for
showing the true instrument position normal to
the painting surface.
and formed with a cylindrical plunger recess 2
10
A still further object is to produce an auto
matic paint striper that is simple in con
struction, easily and e?iciently operated and that
can be manufactured at a very low cost.
These several objects are attained in the pre
ferred form by the construction and arrangement
of parts more fully hereinafter set ‘forth.
Similar parts on all drawings are marked by
25
similar numerals or letters.
centric with the casing axis.
The recess 2 is
closed at the outer end by a bearing ring 3 fixedly
and securely mounted therein, and is also formed
with a shallow rectangular nib recess 4 in the op
posite casing end. On the top casing wall, near
the center, is mounted a tubular paint‘ container
5, preferably formed as an integral part thereof,
and positioned at an angle with the casing axis,
extending over the outer casing end. The paint
container 5 opens into the casing plunger recess
2 through the restricted port 6 formed through
the intervening wall. The outer upper end of
the paintcontainer is threaded and provided with
Fig. 1 is an elevation of the striping device
a screw closing cap ‘i mounted therein, removable
for ?lling the container 5 with liquid paint be
fore using. Through the center of the cap 1 is
'
Fig. 2 is a top view of the striper showing the
relative position of the various operating parts.
Fig. 3 is an end view of the striper, as indi
cated by the line 3-3 of the Fig. 1, showing the
striping nib and guide units mounted thereon.
Fig. 4 is the opposite end view showing the
35
relative position of the paint container mounted
on the barrel casing.
‘
Fig. 5 is a cross-sectional view taken on the
line 5-5 of the Fig. 1, showing the striper plunger
40 and paint channel therethrough.
Fig. 6 is another cross-sectional view taken on
the line 6-6 of the Fig. 1, showing the rectangu
lar nib recess formed therein.
Fig. '7 is a vertical sectional view lengthwise
45 through the striper‘ unit, taken on the line 'l—'l
of the Fig. 2,. showing the general structure and
the operation of the interior parts.
Fig. 8 is a top detail view of the striper plunger
shown in the Fig. 7, showing‘the special paint
50 passage and ports formed therethrough.
Fig. 9 is a sectional View lengthwise the detach
able paint striping nib as taken on the line 9—-9
of the Fig. '7, showing the interior construction
and roller striper mounted therein.
Fig. 10 is a partial elevation view of the striper
10
nearly the entire length thereof, positioned con
showing the general arrangement of the section
units.
30
I will now describe more fully the detail con
formed a secondary threaded opening a which
carries a threaded vent cap 8*‘ adjustably mount
ed therein. The vent cap 8% is hollow and is
provided with a small vent port b through one
a
‘so
side thereof, closable when said cap is tightly
screwed in the recess a, but which may be so 35
adjusted as to allow proper air passage within the
container chamber.
Within the casing recess 2 is ?tted a cylin
drical striper plunger 8, slidably mounted there
in. The plunger 8 is formed with threaded shoul~ 40
dered sections 0 and d on opposite ends thereof,
and is provided with an annular paint groove e
and cross-port f near the central body section.
A paint passage g is formed in the forward
plunger end, concentric with the plunger axis, 45
and extends to and opens into the cross-port f,
forming a liquid paint passage therethrough.
The plunger‘ shouldered shaft section 0 is mount
ed through the bearing ring 3, slidable therein,
and carries an adjusting cap 9 and lock nut Hi 50
mounted thereon, positioned outside the casing.
Also mounted on the shaft section 0, within the
casing recess 2, is‘a compression coil spring ii
designed to engage the casing and plunger shoul
ders for restraining said plunger 8 in an adjusted 55
2
2,117,023
position within the casing, and with the threaded
shoulder section d partially ejected outside the
rectangular nib recess 4. The annular paint
groove e and cross-port f are positioned on the
plunger body 8 slightly in front of the paint con
tainer outlet port 6, closing and sealing said port
when the plunger is in a free adjusted position,
but capable of coinciding with said port 6 when
the plunger 8 is slightly depressed against the
10 ,coil spring ll. Threadably mounted on the
plunger end section d is a detachable paint strip
ing nib I2. The nib I2 is a hollow rectangular
plug body of a size to ?t and slide in the casing
nib recess 4, open and threaded at one end and
15 provided with a ?attened open thin roller housing
h at its opposite end. A ?ne knurled edge paint
striping roller I3 is ?tted within the thin housing
opening and rotatably mounted therein, said
roller ?tting and contacting the surrounding
20 housing walls su?iciently to prevent any paint
flow therethrough except upon rotation of the
striping roller I3. The striping roller l3 may be
made of any desired width, depending upon the
paint stripe required, and all nibs H! are inter
25 changeable at will of the operator. The nib [2,
when securely mounted on the plunger end d,
provides stop means for the plunger 8 for proper—
1y positioning the groove e and port f directly op
posite the container outlet port 6, when said nib
30 is fully depressed in the casing recess 4. The
rectangular recess 4 also provides means for re
taining the striper nib and roller I3 in its true
set position when once assembled. By slightly
releasing the adjusting cap 9 on the threaded
35 plunger section 0 so as to eject the nib l2 from
the recess 4, said nib can then be easily removed,
interchanged, or readjusted to another position
within the recess 4 by slight rotation of the plung
er for changing the unit for either vertical or
horizontal use as desired, and without removing
‘ the plunger 8 or causing any paint leakage there
40
through. When the multiple striping nib l2“, il
lustrated in Fig. 11, is desired, the casing recess 4
may be modi?ed to a full transverse end slot 54
45 as shown in Fig. 10, and the multiple nib body
may be then extended to any desired width, de
pending on the number of striping rollers l3 re
quired.
The casing recess 2 and plunger 8 could also be
50 made square, or any other desired shape, if de
sired, instead of the cylindrical plunger section as
shown, provided the nib l2 was ?rst properly
?tted and squared therewith, although it would
require a complete removal of said plunger from
55 the casing recess whenever a readjustment of
position was made. After assembly, the operation
would be the same as previously described.
On both the bottom and side casing walls are
?xedly mounted threaded guide support screws
60 i5, which carry a thumb clamping nut l6 screwed
thereon. Any type, size or design of guide frame
I‘! may be mounted on either of said support
screws I5, and adjusted to engage any guiding
edge or template positioned parallel to the desired
65 stripe line. The guide frame I‘! herein illustrated
is of special wire formation, and positioned and
adjusted for striping along a vertical wall rib A.
For horizontal striping, the nib I2 is removed from
the recess 4 and rotated to the next quarter, and
70 re-entered therein within the recess. Also the
guide frame I‘! is interchanged to the side sup
port screw IS. The instrument operation is the
same in either case.
A three point position indicator I8 is pivotally
75 mounted on the casing Wall, for indicating a nor
mal position to the painted surface.
The indi
cator may be formed in any desired design as
may be needed to meet the painted surface wall
or template requirements, but is herein illus
trated as a ball tipped fork section formed with
an elongated central mounting slot is and indi
cator point m. The indicator frame 18 is piv
otally retained in position by the ?at head screw
l9 threadedly mounted in the casing wall opening
n, on either casing top or side. An adjusting
coil spring 20 is also mounted within the slot k,
positioned to extend the indicator frame beyond
the striper nib end. When the fork ball tips 1)
engage the painted wall or guiding surface, either
ribbed or ?at, the indicator point m will be posi
10
15
tioned over the zero line 1' for the normal striper
position, and which is required for a perfect stripe
line formation.
The operation of my device is obvious from the
foregoing description, and is accomplished by 20
?rst removing the detachable cap 1 and ?lling the
paint container. The striper may be then held
?rmly in the operator’s hand, in a horizontal posi
tion, placing the striping nib wheel it against
the surface to be striped. depressing the nib and 25
plunger sufficiently to open the port f, and move
the device in the desired direction. The indicator
l8 will readily readjust against the spring 20, in~
dicating the normal instrument position, neces
sary for producing a perfect stripe line.
30
It is apparent that my device is subject to
various modi?cations in both structural design
and detail without departing from the spirit of
my invention, and I not only claim the striper
herein illustrated, but any modi?cation thereof 35
that is substantially a substitution of parts and
units herein shown and described.
Having fully described my automatic paint
striper, what I claim as my invention and desire
to secure by Letters Patent is
40
1. A paint striper adapted for making ?ne
stripe lines on painted surfaces, comprising a
straight elongatedcasing section provided with a
plunger recess nearly the entire length thereof
and with one open recessed end, a paint con
tainer provided on the top casing Wall, opening
45
into said plunger recess: near the central sec
tion thereof, a hollow plunger with annular inlet
side ports and detachable end striping nib, slid
ably mounted Within the casing plunger re
50
cess, a plunger restraining spring mounted with
in the casing recess beneath the plunger for ad
justing the plunger position and ejecting the
striping nib from the casing end opening, said
plunger annular side ports being positioned to 55
coincide with the paint container port opening
when the plunger is slightly depressed against
the restraining spring.
2. A striping device adapted for making ?ne
stripe lines on painted surfaces, comprising an 60
elongated casing formed with a cylindrical
plunger recess nearly the entire length thereof,
with one open recessed end, an elongated in
clined paint container formed on the top casing
wall, integral therewith and provided with an
outlet port leading into the central section of the
casing plunger recess, a plunger resisting spring
mounted in the recess bottom, a hollow cylindrical
plunger slidably mounted within the plunger re
cess positioned to engage the resisting spring and 70
capable of adjustment to slightly project the
open plunger end from the casing recessed open
ing, said plunger being formed with annular
grooved inlet ports leading into the hollow plung
er chamber, positioned to coincide with the paint 75
3
2,117,023
container outlet port when the plunger is slight
ly depressed, and a paint striping nib detach
ably mounted on the plunger open end, slidable
within the casing recessed end opening.
‘ 3. A paint striping device adapted for making
with an annular groove and cross-ports opening
into the hollow plunger chamber, positioned to
coincide with the paint container port when the
plunger is slightly depressed against the re
straining spring, a roller tipped paint striping nib
detachably mounted on the open plunger end, 10
slidable and interchangeable within the casing
thereof and with one open recessed end, said
casing also being formed with an inclined tu
bular paint container on the top casing wall,
integral therewith, and provided with an outlet
port opening into the central section of the
plunger recess, a plunger resisting spring
mounted in the recess bottom, a hollow cylin
drical plunger with one open end slidably
mounted within said plunger recess and engaged
with the restraining spring, adjusting means
mounted on the inner plunger end for positioning
said plunger with its open end partially ejected
from the casing recessed end opening, said
plunger being formed with an annular grooved
wall ports leading into the plunger hollow cham
ber and positioned to coincide with the paint
container outlet port when the plunger is slight
1y depressed against the restraining spring, and
a paint striping nib detachably mounted on the
open end of said plunger, slidable and inter
changeable within the casing recessed end open
ing.
4. A paint striping device comprising an elon
gated casing formed with a cylindrical plunger
recess nearly the entire length thereof, one re
cess end being open and formed with a rec
L. in
plunger end for adjusting the plunger position
within said recess, said plunger being formed
?ne stripe lines on painted surfaces, compris~
ing an elongated cylindrical casing formed with a
cylindrical plunger recess nearly the entire length
30
tioned to engage the restraining spring, an ad
justing screw with nut mounted on the inner
tangular end opening, said casing also being
formed with a closable inclined tubular paint
container on the top casing wall, integral there
with, and provided with an outlet port opening
into the central section of the casing recess, a
plunger restraining spring mounted in the re
cess bottom, a hollow cylindrical plunger slid
ably mounted Within the plunger recess posi
rectangular end recess, and guide means ad
justably mounted on the casing wall for guid
ing the striper movement.
5. A paint striper adapted for making ?ne
stripe lines on painted surfaces, comprising a
straight elongated casing formed with a cylin
drical recess nearly the entire length thereof and
with one open rectangular recessed end, said
casing also being formed with an inclined tu
bular paint container on the top casing wall,
integral therewith and opening into the plunger
recess through a centrally positioned wall port,
a restraining spring mounted in the plunger re
cess bottom, a hollow cylindrical plunger slid 25
ably mounted within the plunger recess capable
of engaging said restraining spring, screw ad
justing means mounted on the inner plunger end
for adjusting the plunger position within the
recess, said plunger being formed with annular 30
port groove and cross-ports positioned to coincide
with the paint container outlet port when the
plunger is slightly depressed against the re
straining spring, a roller tipped paint striping
nib detachably mounted on the open plunger end, 35
slidable and interchangeable within the casing
rectangular recessed end, and an adjustable po
sition indicator pivotally mounted on the casing
wall capable of contacting the painted surface
as the striper unit is moved thereover.
KARL V. EKLOV.
40
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