Rail-Joint. Page: 3 of 4
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UNITED STATESPATENT OFFICE
POWELL ORGAIN ADAMS, OF CAMERON, TEXAS.
RAIL-JOINT.
970,159. Specification of Letters Patent. Patented Sept. 13, 1910.
Application filed July 9, 1909. Serial No. 506,746.To all whom it may concern:
Be it known that I, POWELL ORGAIN ADAMS,
a citizen of the United States, residing at
Cameron, in the county of Milam and State
5 of Texas, have invented certain new and
useful Improvements in Rail - Joints, of
which the following is a specification.
This invention relates to rail joints, and
the object is to construct joints for railway
10. rails which will provide a smooth tread for
the wheels of a locomotive or a train of
cars and which will make the joints as firm
and rigid as any other parts of the rails and
to provide locking devices to prevent dis-
15 placement of the joints and to provide for
expansion of the rails without weakening
the rails and joint by bolt holes.
Another object is to construct such strong
and durable joints that the cost of mainte-
20 nance of the railway tracks will be much re-
duced, the necessity of repairs being much
reduced.
Other objects and advantages will be
fully explained in the following description
25 and the invention will be more particularly
pointed out in the claims.
Reference is had to the accompanying
drawings which form a part of this appli-
cation.
30 Figure 1 is a perspective view of a rail
joint complete, constructed in accordance
with my invention. Fig. 2 is a perspective
view of the joint block. Fig. 3 is a side ele-
vation of the joint block and the ends of
35 two abutting rails. Fig. 4 is a perspective
view of the ends of two abutting rails. Fig.
5 is a vertical section of a complete joint,
the section of the joint block and one rail
being taken along the line x-x of Fig. 3.
40 Fig. 5 is a longitudinal section of the joint
block. Fig. 6 is a perspective view of a
complete joint, showing slight variation
from the joint shown in Fig. 1.
Similar characters of reference are used
45 to indicate the same parts throughout the
several views.
Sections 1 and 2 of abutting rails are
shown in the accompanying drawings. The
contour of the ends of these rails is further
50 shown in Fig. 3, together with a side ele-
vation of the joint block. The joint block
3 forms a continuous tread between the ends
of the abutting rails. The balls of the rails
1 and 2 terminate along the lines 4 and 5,
55 6 and 7, and 8 and 9. The joint block 3 has
a longitudinal groove in the under sidethereof for receiving the web portions 10 of
the abutting rails. The ball of the joint
block 3 has an irregular contour to meet the
irregular contours of the balls of the abut- 60
ting rails. The object of the irregular meet-
ing lines of the balls of the joint block and
the abutting rails is to provide a continu-
ous tread for the wheels. The wheel will
be running on the ball of the joint block 65
before it leaves the ball of the rail when ap-
proaching the joint and on leaving the joint
the wheel will be running on the ball of the
rail before it leaves the ball of the joint
block. The joint block thus has portions 70
of its ball lapping on portions of the balls
of the abutting rails.
The webs and the bases of the abutting
rails are of the usual construction, coining
in close proximity to each other. The webs 75
10 carry locking lugs 11 on the upper sides
at their ends and the joint block 3 has a re-
cess 12 in the under side thereof to receive
the locking lugs. The locking lugs are not
equal in extent as the recess 12, thus pro- so
viding for expansion and contraction of the
rails. The lugs 11 and the recess 12 provide
a locking means to prevent displacement of
the rails. The lapped portions of the joint
block on the balls of the abutting rails are 85'
of greater extent than expansion and con-
traction are estimated to be. The wings 13
and 14 of the joint block receive the webs of
the abutting rails and the flanges 15 rest on
the flanges of the rails. Bed plates 16 are go
provided for supporting the rail joint. The
bed plate 16 extends longitudinally under
the rails and rests on two cross ties. The
bed plate has a recess for receiving the bases
of the rails and extend beyond the width of 95
the rail bases and support the flanges 15 of
the joint block. The outer edges of the base
plate have flanges 17 projecting upwardly
and downwardly. These flanges support
the flanges 15 and add strength to the base loo
plate. The flanges 17 are cut away at the
points where the bed plate crosses the ties.
This construction will prevent movement of
the bed plate on the ties. Bolts 18 pro-
vided with nuts 19 and locks 20 for the bolts 105
19 bind the bed plate to the flanges 15 and
thus clamp the ends of the rails. Ordinary
spikes 21 bind the bed plate to the cross ties.
Cleats 22 are placed above the spikes 21 and
secured to the bed plate flanges 16 by bolts no
24 and suitable nuts. The cleats 22 thus
serve to hold the joint block in place and
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Reference the current page of this Patent.
Adams, Powell Orgain. Rail-Joint., patent, September 13, 1910; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth514945/m1/3/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.