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Патент USA US2094208

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Sept. 28, 1937. v
2,094,208
w. B. ‘ENG-H
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'
'WICK ADJUSTING >_ DEVICE
Filed Dec. 11, 1935
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INVENTOR,
WALTER B. ENC-3H,
BY
ATTORNEY.
Patented Sept. 28, 1937
2,094,208
UNITED STATES PATENT OFFICE
2,094,208
WICK ADJUSTING DEVICE
Walter B. Engh, Alexandria, Ind., assignor to The
Mantle Lamp Company of America, Chicago,
111., a, corporation of Illinois
Application December 11, 1935, Serial No. 53,971
In Great Britain April 30, 1935
6 Claims. (CI. 67-61)
The invention relates to Wick raisers for lamp It‘ pivotally connected at 9 with said forked ends,
stoves in which an annular wick is employed, and which arms are pivotally mounted on the sides
comprehends a wick raiser of a type wherein the of the wick at H, so that the wick may be raised
principal parts are situated within the reservoir or lowered ‘without being tilted or distorted.
5 of a lamp stove, instead of being disposed in the
The burner 2, being of a conventional type, re- 5
burner thereof.
quires no description other than that hereinbe
The invention will best be understood if refer
fore given.
ence be had to the accompanying drawing, in
Below the reservoir I is a baffle l8 which pre
which
vents excessive flow of air into and through the
Figure 1 is a View, partly in section, of a lamp inner wick tube.
10
10
stove embodying said wick raiser;
Having thus described my invention, what I
Figure 2 is a sectional view taken on the line claim is: '
2—2 of Figure 1, and
1. In an oil burner, the combination of a reser
Figure 3 shows a detail of said wick raiser.
voir for liquid fuel, a tubular wick mounted in
Referring to- the drawing, I is a reservoir, and said reservoir for vertical movement and having
2 is a burner having an inner wick tube 3 and its outer surface exposed to the interior of said 15
a short outer wick tube 4 which leaves the outer reservoir, ?at and vertically extending arms rest
surface of the wick 5 free to be engaged by the ing against the outer surface of the wick and
wick raiser.
pivotally connected at their upper ends with the
20
The wick-adjusting means comprises a pivoted wick, a forked arm having a body portion and s
and forked arm 6 engaging the wick 5, at its mov
spaced ends displaced horizontally from the axis
able end and linked at an intermediate point 1 of said forked arm, said spaced ends being piv
to a manually-operated rod 8 for effecting the otally connected with the lower ends of said flat
raising and the lowering operations.
25
In carrying the invention into effect and in the
preferred manner, the wick-adjusting mecha
nism comprises a forked arm 6, the forked por
tions 6a, 6b of which extend to each side of the
wick 5 and engage at diametrically-opposed
30, points 9, the lower ends of arms l6 below de
scribed.
The end of the arm 6, remote from the forked
portions 6a, 6b, is pivotally mounted within the
casing of the lamp stove at I U, and. at a point
35 between the pivot at Ill and the forked portions
6a, 6b, said arm 6 is pivotally connected to the
lower or inner end of the rod 8 which projects
through the wall of the reservoir I.
The outer
end of the rod 8 has a screw-thread II which
engages an internally screw-threaded sleeve I4
which is provided with a ?ange l3 at its lower
end that engages the inner surface of the reser
Voir I, and around said sleeve I4 and secured
thereto is a thumb piece l5 which engages the
45 outer surface of said reservoir l. The ?ange l3
and the thumb piece I 5, being thus disposed,
prevent longitudinal movements of the rod 8, ex
cept when said thumb piece is rotated to effectu
ate adjustments of the arm 6 and of the wick 5.
The rod 8 is slotted at its lower end to receive
the forked arm 6, and said arm 6 has a slot 60
through which a pin 6d carried by said rod, ex
tends.
The forked ends of the arm 6, preferably en
55 gage the wick through the medium of short arms
arms, the end of said forked arm remote from
said spaced ends having pivotal connection in 25
said reservoir with a wall thereof, a vertically
disposed operating rod having a slotted lower end
spanning and pivotally connected with the body
portion of said forked arm and having an ex
ternally threaded upper end portion extending
through the top wall of said reservoir, and a
thumb nut on the threaded portion of said oper
ating rod and having a groove engaging the top
wall of said reservoir and restraining said nut
from axial movement relative to said top wall.
2. In an oil burner, the combination of a res
ervoir for liquid fuel, a tubular wick mounted in
said reservoir for vertical movement and having
its outer surface exposed to the interior of said
reservoir, ?at and vertically extending arms rest 40
ing against the outer surface of the wick and
pivotally connected at their upper ends with
the wick, a forked arm having a body portion
and spaced ends displaced horizontally from the
axis of said forked arm, said spaced ends being
pivotally connected with the lower ends of said
flat arms, the end of said forked arm remote from
said- spaced ends having pivotal connection in
said reservoir with a wall thereof, a vertically
disposed operating rod having a slotted lower
end spanning and pivotally connected with the
body portion of said forked arm and having an
externally threaded upper end portion extending
through the top wall of said reservoir, and a
thumb nut on the threaded portion of said oper- 55
2,094,208
2
ating rod and having a groove engaging the top
wall of said reservoir and restraining said nut
from axial movement relative to said top wall,
the body portion of said forked arm having a
longitudinally extending slot containing the piv
otal connection of said operating rod.
3. In an oil burner, the combination of a reser
voir for liquid fuel, a tubular wick mounted in
said reservoir for vertical movement and having
its outer surface exposed to the interior of said
reservoir, flat and vertically extending arms rest
ing against the outer surface of the wick and piv
otally connected at their upper ends with the
wick,a forked arm having a body portion and
spaced ends displaced horizontally from the axis
15
of said forked arm, said spaced ends being pivot
ally connected with the lower ends of said ?at
arms, the end of said forked arm remote from
said spaced ends having pivotal connection in
20 said reservoir with a wall thereof, a vertically
disposed operating rod having a slotted lower
end spanning and pivotally connected with the
body portion of said forked arm and having an
externally threaded upper end portion extending
25 through the top wall of said reservoir, and a
thumb nut on the threaded portion of said operat~
ing rod and having a groove engaging the top
wall of said reservoir and restraining said nut
from axial movement relative to said top wall,
30 said nut comprising inner and outer tubular mem
bers telescoped and secured together and having
laterally extending portions for engagement with
the upper and lower surfaces of the top wall of
said reservoir.
4. In an oil burner, the combination of a reser
voir for liquid fuel, a tubular wick mounted in
said reservoir for vertical movement and having
its outer surface exposed to the interior of said
reservoir, flat and vertically extending arms rest~
40 ing against the outer surface of the wick and piv
otally connected at their upper ends with the wick,
a forked arm having a body portion and spaced
ends displaced horizontally from the axis of said
forked arm, said spaced ends being pivotally con
nected with the lower ends of said ?at arms, the
end of said forked arm remote from said spaced
ends having pivotal connection in said reservoir
with a wall thereof, a vertically disposed operat
ing rod having a slotted lower end spanning and
50
pivotally connected with the body portion, of said
forked arm and having an externally threaded
upper end portion extending through the top wall
of said reservoir, and a thumb nut on the threaded
portion of said operating rod and having a groove
engaging the top wall of said reservoir and re
straining said nut from axial movement relative
to said top» wall, the body portion of said forked
arm having a longitudinally extending slot con
taining the pivotal connection of said operating
rod, said nut comprising a thumb piece outside of
said reservoir and‘a flange member inside of said
reservoir and secured to said thumb piece, said
?ange member and said thumb piece forming
between them the groove in said thumb nut.
5. In an oil burner, the combination of a reser
voir for liquid fuel, a tubular wick mounted in 15
said reservoir for vertical movement, flat and
vertically extending arms spaced from each other
and pivotally connected at their‘ upper ends with
the wick, a forked arm having a body portion and
spaced ends displaced horizontally and pivotally 20
connected with the lower ends of said flat arms,
the end of said forked arm remote from said
spaced ends having pivotal connection in said
reservoir with a wall thereof, a vertically disposed
operating rod pivotally connected with the body 25
portion of said forked arm and having an exter
nally threaded upper end portion extending
through the top wall of said reservoir, and a
thumb nut on the threaded portion of said operat
ing rod and having a groove engaging the top 30
wall of said reservoir and restraining said nut
from axial movement relative to said top wall.
6. In an oil burner, the combination of a reser
voir for liquid fuel, a tubular wick mounted in
said reservoir for vertical movement, ?at and ver 35
tically extending arms spaced from each other
and pivotally connected at their upper ends with
the wick, a forked arm having‘ a body portion and
spaced ends displaced horizontally and pivotally
connected with the lower ends of said flat arms,
the end of said forked arm remote from said
spaced ends having pivotal connection in said
reservoir with a wall thereof, a vertically disposed
operating rod pivotally connected with the body
portion of said forked arm and extending up
45
wardly therefrom, and operating devices carried
by said reservoir and cooperating with said op
erating rod to move said operating rod vertically
by operation of said operating devices.
WALTER B. ENG-H.
50
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