Device for Dipping Lumber. Page: 4 of 5
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966 988
the said tank and discharged on the con-
veyer chains at the lower end of the slide
or by-pass. At the head of the slide or
by-pass a stationary chute or skid inclines
s downwardly and inwardly under the gap 18
and is composed of the curved fingers 26,
the skid discharging on the conveyer chains
between the idle or guide sprocket wheels 22
and the submerging roller 12.
10 The shaft 24, to which the fingers or skids
.25 are attached, is extended beyond one end
of the tank, where it is provided with an
attached arm 27, the same being operatively
connected, as .shown in Fig. 3, with a bell-
15 crank lever 28, by a link 29, the bell-crank
lever being arranged below the arm at or
near the elevation of the tank, and in turn
connected to a second bell-crank lever 30,
by a link 31. To the opposite arm of the
20 bell-crank lever 30 is operatively connected
a foot-actuated member 32, projecting above
a platform 33, on which the operator or
grader stands in determining the character
of the lumber passing up the conveyer 17.
25 The bell-crank lever 28 is constructed as
shown in Figs. 4, 5 and 6, wherein it is
shown that the arms are separately made,
with the arm to which the link 29 connects,
adapted to swing upwardly relatively to the
30 other arm, but limited in its relative move-
mrent in the opposite direction by a stop 28.
By reason of this construction of the lever
28, shouh..a piece of lumber become tangled
with the!fingers, as when the fingers are in
35 the dotted position shown in Fig. 3, the fin-
gers are adapted to swing completely over*
and point downwardly- along the slide 14,.
whereby the engaged. lumber is adapted to
escape.
40 The skid fingers 25, bridging the gap 18
in the normal position of the parts, stand
closed, as shown in Figs. 1 and 2, and in
full lines in Fig. 3. The operator or grader
standing on the platform 33 in observing a
45 piece of lumber which should be passed
through the soda bath, depresses the treadle
or foot - actuating member 32, as the said
piece reaches the head of the conveyer, lift-
ing the skid fingers 25 to the dotted posi-
50 tion shown in Fig. 3, whereupon the lumber
in passing from the conveyer drops down on
the. skids 26, from whence it slides onto the
conveyer chains below and travels through
the soda bath in the tank, the lumber being
55 submerged in the bath as it passes under
the roller 12. In this way the travel of the
lumber through the soda solution or over
the by-pass is controllable at the-will of the
operator, all of the lumber being again
60 brought together on the chains of the con-
veyer at the foot of the by-pass or slide and
carried to a common point of discharge.
The timber which should be dipped is
readily selected by an experienced grader
85 by the appearance of the wood. Almost allof the short straw or loblolly pine needs
dipping,-whereas a small per cent. of the
long-leaf pine ordinarily need be treated.
Having thus described my invention, I
claim as new and desire to secure by Letters ro
Patent:
1. In 'a soda dip machine, a lumber con-
veyer, a tank, a lumber by-pass, and a mech-
anism controllable at the will of the operator
to direct the travel of the lumber from the 75
conveyer over the by-pass or from the con-
veyer through the tank.
2. In a soda dip machine, a tank, a lumber
by-pass downwardly and forwardly inclined
over the tank, a lumber conveyer leading to so
that side of the tank adjacent to the head of
the by-pass and spaced therefrom to provide
a gap for the passage of the lumber to the
tank, and a skid to bridge the gap between
the conveyer and by-pass, having controlling s
means/"operable at will.
3. In a soda dip machine, a tank, a sub-
merging roller arranged within the tank, a
by-pass for the lumber, arranged over the
tank and roller, a conveyer having flexible 90
conveying members for the lumber, spaced
from the head of the by-pass to provide a
gap for the passage of the lumber, with the
said flexible members of the conveyer ex-
tending from the said gap downwardly and 95
inwardly and thence passing through the.
tank under the submerging roller and under
the discharge end of the by-pass, and a skid
movable to and from a position bridging the
gap between the conveyer and by-pass. 100
4. In a soda dip machine, a soda tank,.a
downwardly and forwardly-inclined slide
supported over the tank, a conveyer leading-
to the head of the slide and spaced therefrom
to provide a gap.through which the lumber los
is adapted to pass, the said conveyer having
flexible conveying members extending from
the head thereof downwardly and rear-
wardly and thence passing forwardly
through the tank and under the discharge 110
end of the foot of the slide, and a skid
movable to and from a position bridging the
gap between the conveyer and slide.
5. In a soda dip machine, a soda bath, a
downwardly and forwardly-inclined lumber 176
slide arranged over the bath, a chain con-
veyer leading to and spaced from the head of
the slide, providing a gap therebetween for
the passage of the lumber, with the chains of
the conveyer passing thereunder through the 120
bath and under the discharge end of the
slide, a stationary skid extending from the
head of the slide and inclining downwardly
and rearwardly under the said gap, and a
skid movable to and from a position bridg- 125
ing the gap between the conveyer and slide.
6. In a soda dip machine, a soda bath, a
downwardly and forwardly-inclined slide
arranged over the bath, a conveyer arranged
to feed the lumber through the bath, and 130Q
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Baten, William Lucian. Device for Dipping Lumber., patent, August 9, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth511792/m1/4/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.