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Патент USA US3066879

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Dec. 4, 1962
H. s. BISHOP
3,066,869
‘ RAILWAY CROSSING GUARD BLOCK
Filed Jan. 3, 1962
2 Sheets-Sheet 1
INVEN TOR.
BY
HOMER
S. BISHOP
(mpwgm
ATTORNEYS
Dec. 4, 1962
H. s. BISHOP
3,066,869
RAILWAY CROSSING GUARD BLOCK
Filed Jan. 3, 1962
2 Sheets-Sheet 2
INVEN TOR.
HOMER
S. BISHOP
BY
ATTORNEYS
United States Patent O?lice
1
3,666,869
Patented Dec. 4, 1952
2
Body 25 of the block is provided with a side 27, slotted
at 23, and tapered in shape to conform to the contour of
RAILWAY CROSSING GUARD BLOCK
foot portion iii and being deeper than the width of the
Homer S. Bishop, Charleston, W. Va., assignor to
foot portion to wedgingly receive the foot portion i3.
Kasle Steel Corporation, Detroit, Mich.
Filed Jan. 3, 1962, Ser. No. 164,033
Thus, such side of the block is nestled against the riser
1 Claim. (Cl. 238-9)
16 of the rail to. In addition, the body portion is pro
vided with a shoulder 29 which ?ts snugly underneath the
This invention relates to a flangeway bar guard block
under portion of the head 15 of the rail 10; and a base 39
and more particularly to a block for holding a guard
under the rail foot portion 18.
bar spaced from and parallel to a railroad rail so as to 10
Means are provided for fastening the block to the rail.
3,066,86?
provide a space adjacent the rail to receive a railroad car
This fastening means comprises a bolt 31 in a hole 32 of
?anged wheel when the track is surrounded by street pav
the block and having an upwardly sloping hook 33 adapted
ing or the like, and to provide a smooth road surface or
crossing for motor vehicles over the railroad track and
for bounding the paving.
This application is a continuation~in~part of my earlier
?led application, Serial No. 82,551, ?led January 13, 1961,
now abandoned, and discloses an improvement over the
to ?t around the foot portion 19 of the rail. The belt
is threaded at 34 to receive a nut 35.
15
The foot portion 18 of the rail extends into the slot
28 of the body 25 and against base 30, which is of sub
stantial thickness to support and reinforce the bolt, bolt
hole and rail foot. The bolt 31 is spaced a short distance
below the rail foot which reduces vibrations transmitted
block shown in my Patent No. 2,789,771 of April 23, 1957.
It is an object of this invention to provide a ?ange 20 through the rail to thereby prevent loosening of nut 35.
way bar guard block which may be used to hold a guard
In addition, the bolt and its hook 33, not only tightly
bar adjacent a railroad rail, and which may be easily
wedge the rail foot part 1?, into the slot 28, but also ap
and quickly connected to the railroad rail and at the same
plies a torque to the rail foot portion 19, which would
time be capable of sustaining extremely heavy loads of
be in a clock-wise direction, as seen in FIG. 2, to tend
motor vehicle tra?c crossing the railroad tracks.
25 to rotate the rail relative to the block to thus produce
Another object of this invention is to provide a ?ange
an even more rigid and tight connection between the
way bar guard block provided with a channel for envelop
block and the rail and to resist loosening due to vibrations
ing the foot or base of the railroad rail so as to hold the
block to the rail rigidly and at the same time be suffi
ciently strong to sustain heavy loads.
These and other objects of my invention will become
apparent upon reading the following description of which
the attached drawings form a part.
In these drawings:
and applied loads.
Load on rail it) is absorbed by block base 3%. The hor
30 izontal part éll of bar 12 prevents debris from falling deep
down in the wheel ?angeway F between rail 11} and the
edge of the pavement P bounded by the vertical part 42
of the bar 12.
This invention may be further developed within the
FIG. 1 is a plan view of a railroad rail and street pave 35 scope of the following attached claim and accordingly, it
ment surrounding the rail and showing a guard bar in
is desired that the foregoing description be read as being
position and supported by a block connected to the rail.
merely illustrative of one operative embodiment of my in
FIG. 2 is a fragmentary section on line 2—2 of FIG. 1.
vention and not in a strictly limiting sense. Having fully
FIG. 3 is a view as on line 3-3 of FIG. 2.
described one operative embodiment of my invention, it
FIGS. 4 and 5 show parts per se.
new claim:
Where railroad tracks cross a street or motor vehicle
pass-over, it is common practice to pave up to the track
in order to eliminate the bumps of the roadway upon the
vehicles crossing the tracks. However, in this situation,
A ?angeway bar guard and block combination for at
tachment to a mounted rail having a vertical riser topped
by an enlarged head upon which a wheel may ride and
with a support foot having two side portions, each ex
it is necessary to prevent the paving from completely 45 tending horizontally from each side of the riser, with the
surrounding the rail, since railroad wheels are provided
foot portions sloping down from the riser to their edges;
with ?anges which ride parallel to the rail and therefore
the block being arranged for holding a guard bar in
must have clearance to pass along one side of the railroad
spaced, parallel, and rigid relationship to the rail and
rail.
for bounding a pavement; said guard block comprising a
Thus, in paving such a track and street intersection, it 50 body portion having a vertical side formed complementary
is common to provide a guard bar which is spaced from
to the riser of the rail and formed to rest against the
the rail on one side thereof to provide a channel to re
riser and to ?t against the foot and the ‘head of the rail
ceive the flange of the railroad wheel.
and having an upwardly opening angle channel spaced
FIGS. l-S show a rail it} and a block 11 supporting
from said side for the reception of an angle shaped guard
a right angle guard bar 12 spaced from and parallel to the 55 bar; the block having a horizontal slot in said side direct
rail 10. The street paving may extend up to the guard
ly below the angle channel for receiving one side portion
bar 12 but not to the rail itself, thereby providing clear
of the rail foot spaced well above the lower surface of
ance or a ?angeway F for the wheel ?ange.
The rail, which is conventional, comprises a head 15
the block so that the block has a substantial part under
the rail foot; said slot being deeper than the width of a
upon which a wheel rides, a riser 16 supporting the head
rail side portion and being tapered from its mouth to its
and integral with a foot 17 which has two halves l8 and
base, the taper corresponding to the slope of said side
19 extending a suf?cient distance to form a good support
portion for snugly receiving and for full face to face con
for the weight imposed upon the head 35.
tact between the top and bottom faces of the slot and the
My novel block it comprises a body portion 25 pro
top and bottom faces of the side portion from its junc
vided with a right angularly shaped channel 26 into which
tion with the riser to its edge; said block having a horizon
65
the right angularly shaped bar 12, is inserted and sup
tal bolt hole directly below and closely adjacent to the
ported and fastened by set screws 36 in holes 3'7. A num
slot and well above the bottom of the block; the block
ber of bar guard blocks are used and are spaced apart
portion below its slot being of a vertical dimension con
two to three or more feet depending upon the expected
siderably greater than that of the bolt hole, so that the
load, to hold the long and continuous bar guard 12 in
block part under the bolt hole is of considerable thickness
70
proper parallel relationship with the long and continuous
to provide a support under the bolt hole and the rail foot;
rail 19.
and a horizontally arranged bolt extending through the
3,066,869
bolt hole and arranged to extend beneath but spaced a short
distance beneath the entire foot of the rail and having
one end bent into a hook for engaging over the edge of
the foot side portion which is remote from the block and
a threaded nut threadediy engaged on its opposite end
and engaging the block surface opposite to ‘said slotted
side and for drawing the hooked end towards the slot and
thus Wedging said one side portion tightly into the slot.
Referenees titted in the ?ie of this patent
UNITED STATES PATENTS
1,3 84,333
2,677,503
2,706,601
2,789,771
2,827,240
Orrock ______________ __ July 12,
Bodkin ______________ __ May 4,
Robinson ___________ __ Apr. 19,
Bishop ______________ __ Apr. 23,
Steele et a1 ___________ __ Mar. 18,
1921
1954
1955
1957
1958
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