Boring and Mortising Machine. Page: 3 of 4
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UNITED STATES PATENT OFFICE.
ALFRED SWINGLE, OF GALVESTON, TEXAS.
BORING AND VIORTISING IVIACHINE.
Specification of Letters Patent No. 5,661, dated July 11, 1848.To all whom it may concern:
Be it known that I, ALFRED SWINGLE, of
the city and county of Galveston and State
of Texas, have invented a new and useful
5 Machine for Boring Square Holes and for
other Purposes, which is called a "Mortise
and Tenon Machine;" and I do hereby de-
clare that the following is a full, clear, and
exact description of the same, reference be-
10 ming had to the annexed drawings, making a
part of this specification, in which--
Figure 1 is perspective view of the ma-
chine. Fig. 2 is a view of the sliding frame,
the auger and chisel box and clamp bar.
15 Fig. 3 is the pitman and the arm and wrist
for reversing the action. Fig. 4 is a side
view of the frame, the crank and the lever
to change the action by hand. Fig. 5 is a
side view of the driving wheel, pinions,
20 screws, auger, chisel and cranks. Fig. 6 is a
broken view of the clamp bar to fasten the
machine to the timber. Fig. 7 is a view of
the top of the machine showing the plate
having female screws. Fig. 8 is a view of
25 the wedges and band connecting them to
open or close the plates. Fig. 9 is a repre-
sentation of the exterior line of the driving
wheel and pinions. Fig. 10 is a view of the
side plates to hold the bars upon which the
30 machine moves laterally. Fig. 11 is a view
of the same on the opposite side of the ma-
chine. Fig. 12 is a plate on the lower part
of the machine through which the tangent
screw passes. Fig. 13 is a clamp screw to
35 fasten the clamp bar to the timber. Fig. 14
represents a section of the auger and chisel.
The machine is constructed in a sliding
frame (a b c d, Fig. 2) supported by the
right and left screw (a b, Fig. 1,) and is
40 moved in a longitudinal or lateral direction
by the screws c and d, Fig. 1, so as to place
the auger (e, Figs. 1 and 2,) at any required
point. The two sides (f, Fig. 1,) of the
frame are of iron or metallic, and are con-
45 nected at the top g, Fig. 1, by a metallic
convex surface. A frame work supports the
pinions h, i, Fig. 1, and the driving wheel k,
Figs. 1 and 2, of the machine. A shaft o,
Fig. 1, runs through the upper pinion h,
50 Fig. 1, and the frame work (e', Fig. 2,)
upon the top of the sliding frame (a b c d,
Fig. 2). Near the upper end of this shaft
o, Fig. 1, is a right and left screw (a and 6,
Fig. 1) which secure a vertical motion.
55 Where these screws a and 5, Fig. 1, pass
through the upper and lower plates w x andy z, Fig. 1, of a vertical frame, W x y z,
Fig. 1, are two small plates in each as 1 and
2, Fig. 7, connected in pairs by a spring as
o o o, Fig. 7, and containing female screws. so
Outside of these screw plates 1 and 2 and
1' and 2', Figs. 2 and 7, and through io x and
y z, Fig. 1, of the vertical frame o x y a,
are two wedges 1 and 2, Figs. 4 and 8, con-
nected near the middle by a band 3, Fig. 8, 65
and when by a certain motion the wedges
mcve simultaneously and close one valve or
aperture between the small plates 1 and 2,
Fig. 2, the other valve, 1' and 2', Fig. 2, or
aperture is opened. 70
The shaft p p, Figs. 1 and 5, of the driv-
ing wheel is supported by the sliding frame
a b c d, Fig. 2, and projects beyond it, upon
one end of which as at a, Fig. 5, the power
is applied to produce motion, and to the 75
other end of the shaft at x, Fig. 3, and n,
Fig. 5, is attached a regulating pitman 1, 2,
Fig. 3, which by its construction and connec-
tion regulates the penetration of the auger
,, Figs. 1 and 2, since by the wrist a b, Fig. 8so
3, on the crank attached to the driving wheel
c, Fig. 1, and a set screw c, Fig. 3, on the
lower end of the pitman 1, 2, Fig. 3, and an
open groove or slot 4, 5, Fig. 3, admitting
the wrist a b, Fig. 3, and running until the 85
change is accomplished.
A pinion i, Figs. 1 and 5, is attached to
the second or lower shaft o o, Figs. 1 and 5,
near the lower part of the sliding frame,
which frame supports the shafts o o, Figs. 90
1 and 5. Both pinions i and A, Figs. 1 and
5, are put in motion by the driving wheel k,
Figs. 1 and 5. To the lower part of this
bottom shaft o o, Figs. 1 and 5, the auger
is attached or fastened. This auger e, Figs. 95
1, 2, and 5, passes through a square tube
x', Figs. 1, 2 and 5, which is permanently
attached to the sliding frame, a b c cd, Fig.
2., and consequently moves with it. The
lower edges of this tube v', Figs. 1, 2 and 5, 10o
are beveled, as in Fig. 14 and a: b a, Fig. 15.
The edges of the end thus sharpened are
slightly scolloped as a a a Fig. 15, so as to
permit the lips of the auger (as a a, Fig.
14) to descend to, without touching, them, 105
thus making the largest circle in the smallest
square. The machine or sliding frame is
moved up and down by a motion of the
driving wheel 1c, Fig. 5, and is supported,
as well as the permanent frame 1' 2' 3' 4'. 110
Fig. 1, by two parallel bars one seen at 5',
Fig. 1, which rest upon a plate 6' and 7',
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Swingle, Alfred. Boring and Mortising Machine., patent, July 11, 1848; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth165029/m1/3/: accessed April 30, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.