Shaving and Sawdust Conveyer. Page: 3 of 4
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UNITED STATES PATENT OFFICE.
WILLIAM ROSS, OF WILLARD, TEXAS.
SHAVING AND SAWDUST CONVEYER.
SPECIFICATION forming part of Letters Patent No. 464,186, dated December 1, 1891.
Application filed June 19, 1891. Serial No, 396,804. (No model.)To all whom, it m ay concern:
Be it known that I, WILLIAM ROSS, a citi-
zen of the United States, residing at 'Willard,
in the county of Trinity and State of Texas,
5 have invented certain new and useful Im-
provements in Shaving and Sawdust Convey-
ers; and I do hereby declare the following to be
a full, clear, and exact description of the in-
vention, such as will enable others skilled in
io the art to which it appertains to make and
use the same.
My invention relates to apparatus for con-
veying the shavings and sawdust of saw or
planing mills to the furnace or fire-box or to
15 a storage-room.
The sawdust and shavings from wood-work-
ing in mills is generally conveyed through
pipes or tubes by blowers or exhaust-fans
and deposited in a fire-pit or storage or dust
20 room remotefrom danger by fire. This refuse
is afterward burned for fuel or for purposes
of convenience to prevent accumulation, and
involves the necessity of removing it from
such place of deposit to the furnace. Again
25 there are devices provided for conveying said
refuse and feeding it directly and continu-
ously to the furnace; but these devices are
often found in practice to increase the fire-
risk from the possibility of ignition of the
30 very fine dust which is thus brought to the
furnace, giving direct communication through
the conveyer-pipes to the mills.
The principal object of my invention is to
provide means for saving of labor in the first
35 instance and of avoiding danger in the sec-
ond, and to this end I have devised means for
separating and deflecting from the conveyer-
pipe, while in transit, from time to time, as
desired, the shavings and sawdust and deposit
40 them in a closed receptacle convenient to the
furnace-doors, and allow the impalpable or
finer dust-the most dangerous-and the sur-
plus shavings or sawdust to be conveyed to
a dust-room or through a dust-collector or to
45 the outer air or fire-pit.
In the accompanying drawings, forming a
part of this specification, Figure 1 is a front
elevation of my apparatus placed in position
in front of a steam-boiler furnace attached to
50 a conveyer-pipe, the upper front wall beingbroken away. Figs. 2 and 3 are end views,
and Fig. 4 is a detail view.
A denotes a chamber having a bottom com-
posed of two wings A' A, swung or hinged by
eye-bolts to rods a a, the wing A' having a 55
lip 1 formed on its under side, and projecting
ends l' 1'. a' a' a' denote braces or stays riv-
eted to said chamber, the lower ends of which
are bent to form supports for said rods a a,
and the upper ends being bent outward at 6o
right angles to form lugs x x and provided
with bolt-holes for securing said chamber to
suitable supports to be arranged in front of
a steam-boiler furnace.
B B denote valve-seats, and B' B2 valves, 65
which when closed come flush with the lower
walls of the pipes or tubes PP'. These tubes
form with the top or crown of the chamber A,
when the valves B' B2 are closed in their seats,
a continuous passage-way from the mill to 70
the storage or dust room or fire-pit or outer
air, the pipe P serving as an inlet to the cham-
ber A, and the pipe P' serving as an escape
for the fine dust, or for the surplus shavings
and sawdust not used for fuel. The valves 75
B' B2 have their inner ends b b of rectangu-
lar shape, and when closed bear upwardly in
the valve-seats, while the opposite ends b' b'
are curvilinear in shape to conform to the
inner crown wall of the chamber A when 80
open. The valves are operated independ-
ently by levers H HI, pivoted by a single bolt
W, passing through each and secured through
the middle stay a' and front wall of the cham-
ber A. Said levers have upright arins h h 85
pivoted thereto, connecting the same with
cranks Ik kI, secured to rocker-shafts R R, by
which the valves are operated. G G are
clampways, and g g are set-screws secured to
said levers and serve to clamp the same to 90
the clampways.
The wings A' A2 are shown in Fig. 3 as
open and are operated by a crank-handle S,
rigidly secured to a rocker-shaft T, mounted
in journals secured to the lower part of the 95
rear wall of the chamber A. Said rocker-
shaft has rigidly secured thereto at both ends
depending arms It, to the lower ends of which
are pivoted two horizontal arms t' t', and these
arms are pivoted to vertical arms y y, which ioo
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Ross, William. Shaving and Sawdust Conveyer., patent, December 1, 1891; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth172869/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.