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Патент USA US3043250

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July 10, 1962
S. W. HAYES
3,043,240
WHEEL STOP
Filed March 4, 1960
6 Sheets-Sheet 1
S- W- HAYES
Filed March 4, 1960
3,043,240
6 Sheet$_sheet 2 ,
July 10, 1962
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Filed March 4, 1960
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WHEEL. STOP
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WHEEL STOP
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s. w. HAYES
WHEEL STOP
Filed March 4, 1960
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6 Sheets-Sheet 5
July 10, 1962
S. W. HAYES
3,043,240
WHEEL STOP
Filed March 4, 1960
6 Sheets-Sheet 6
United ‘States viPatent
I
3,043,240
‘ Patented July 10, 1962
1
2
3,043,240
upper apertured portions whereby the clamping elements _
may be loosely carried by a transversely extending cross
shaft. The cross shaft is supported by a vertically mov
WI'EEL STOP
Stanley W. Hayes, Wayne Township, near Richmond,
Wayne County, Ind., assignor to Hayes Track Ap
pliance Company, Richmond, Ind., a corporation of
Indiana
, able plate adapted manually to be moved upwardly to
engage the clamping jaws with the rail head and movable
downwardly to disengage or unclamp the clamping jaws
from the rail head.
Filed Mar. 4, 1960, Ser. No. 12,740
12 Claims. (Cl. 104-259)
The‘ clamping elements are mov
able ‘by wedge means including a pair of spaced apart
wedges engageable with the cross shaft and which wedge
The present invention is directed to a new and im 10 means are slidably mounted ‘on a plate constituting part
of the'stop and moved by manually actuatable means
comprising a handle pivotally connected to the wedge
means. In another embodiment of the invention, the
cating and holding it in operative positive position upon
clamp operating wedge means is spring biased into a
a rail. The stop includes features disclosed and claimed
in my copending application Serial No. 784,750 ?led 15 position in which the clamping elements are engaged
with the rail head and manually operable means are
January 2, 1959, and assigned to the assignee of this
provided to move the wedge means to effect disengage
application.
ment .of the clamping means from the rail head. In a
The invention is particularly adapted for use in a
further embodiment, the wedge means is weight rather
wheel stop of the type adapted to slide along the rail and
having wheel engaging structure above the rail and thrust 20 than spring biased. Locking means are provided to hold
the handle and wedge means in rail clamping position.
transmitting structure with portions extending below the
Other objects and advantages of the present invention
base of the rail into abutting relationship with the ties
will become apparent from the ensuing description of an
and ballast. Wheel stops of this character with portions
illustrative embodiment thereof, in the course of which
extending below the base of the rail and arranged to
slide along the rail under car wheel impact provide a 25 reference is had to the accompanying drawings, in which:
FIG. 1 is a side elevational view of a wheel stop
cushion stop for the car wheels because the force of the
constructed in accordance with the present invention and
impact is transmitted to the ties and ballast.
shown slidably clamped to a 6" rail;
'
It is an object of the present invention to provide a
FIG. 2 is an end elevational view of the front end
new and improved wheel stop which can be readily con
of the stop and. as viewed along the line 2-—2 of FIG. 1;
structed and adapted readily to be located and centered’
FIG. 3 is a fragmentary vertical cross sectional view
upon a rail.
taken along the line 3-3 of FIG. 1;
A further object of the invention is to provide a wheel
‘FIG. 4 is a side elevational view, partly broken away,
stop with new and improved manually operable rail
showing the wheel stop of FIGS. v1 to 3 seated upon but
clamping means slidably to clamp the stop upon the rail.
released from the rail;
‘
A further object of the present invention is the pro
proved wheel stop and has for its primary object the
provision of a wheel stop with a novel means for lo
.
- vision of a wheel stop with new and improved rail clamp
‘FIG. 5 is a fragmentary vertical cross sectional view
along the line 5-5 of FIG. 4 but with the wheel stop
about to be seated upon the rail;
wise of the stop and rail from a ?rst position to a sec
FIG. 6 is an enlarged fragmentary view along the
ond position to lift the rail head clamping elements into
position slidably to clamp the wheel stop to the rail and 40 broken line 6—6 of FIG. 4 also illustrating the wheel
ing means operable by a wedge element slidable length
-to a second or ‘released position in which the clamping
elements are swung away from the elements in order to
permit installation upon or removal of the wheel stop
from an associated rail.
stop about to be seated upon a rail;
AFIG. 7 is a fragmentary vertical cross sectional view
taken on the broken line 7--7 of FIG. 6;
FIG. 8 is a vertical cross sectional view taken along
A further object of the present invention is to'provide 45. the line 8-8 of FIG. 1;
FIG. 9 is an enlarged top plan view of the wheel stop
a Wheel stop including rail head clamping elements and
shown in 'FIG. 1;’
'slidable actuating means therefor, which actuating means
FIG. 10 is a vertical cross sectional view along the
is biased into position to engage the clamping elements
with the rail head and having manually actuable means
line Ill-10 of FIG. 9;
50
FIG. 11 is an enlarged horizontal cross sectional View
operable against the force of the biasing means to effect
along the line 11-’11 of FIG. 5;
release of the clamping means.
'FIG. 12 is a fragmentary side elevational view, partly
A further object of the present invention is to provide
a Wheel stop with clamping means and associated actuat
linoken away, illustrating the invention installed upon a
ing means which is spring or Weight biased to one posi
tion to effect engagement of the clamping means with the 55 ‘ =FIG. 13'is a view similar to ‘FIG. 12 showing the
rail head and which is manually operable to another po
~wheel stop installed upon a 7" rail;
iFIG. 14 is a view showing the wheel stop of FIG. 13
sition in which the clamping elements are disengaged
above a 7” rail and ready to be seated thereon;
from the rail head.
'
FIG. 15 is a fragmentary ‘side elevational view partly
In brief, the wheel stop of the present invention in
cludes wheel engaging abutment structure above the rail 60 broken away illustrating a modi?ed form of construction
such as a vertically disposed plate having at its forward
with spring biased wedge means for actuating the clamp
’
end one or more wheel engaging abutments'.
It includes
also thrust transmitting structure extending downwardly
rai .
'
ing means; and
-
_
FIG. 16 is_ a view similar to FIG. 15 of a further em
and outwardly to engage the rail ties and ballast, there
bodiment of the present invention showing Weight biasing
by to provide the cushion type operation referred to 65 wedge means for actuating the clamping means.
above. Stop locating means are provided whereby the
The wheel stop of the present invention illustrated in
stop is slidably clamped on the rail.
This means in
cludes opposed rail clam-ping elements including lower
clamping jaws, intermediate guiding portions cooperat
ing with a transversely extending governor plate over
lying the rail to effect movement of the clamping jaws
between rail engaging and disengaging positions, and
FIGS. 1 to 14 and indicated as awhole by reference
character 10, includes a wheel‘ abutment structure con
stituted primarily by a vertically disposed metal plate 12.
The stop includes also thrust transmitting structure, indi
cated by the reference character 14, extending outwardly
3,043,240
4
at opposite sides of the rail-Hand downwardly to below
the base of the rail, which is. indicated by the reference
character 16, mounted on spaced apart ties 18 in the usual
manner. The stop. includes also the holding and guiding
'means ‘20, constituting the primary feature of the present
invention and adapted to be located, when installed upon
the rail, at the opposite sides and under sides of the rail
ported in turn by the vertically movable plate 40 and
clamping element actuating. means illustrated as wedge
head slidably to hold the stop vertically upon the railiand '
seating of the stop on a rail, plate 40 is moved upwardly
to move the clamping elements 69 toward rail head
means, indicated as a whole by reference character 70.
The plate 49 is mounted for vertical movement in the
slot 38 provided in the lower portion of abutment plate
12 above the governor plate 32. As best shown in FIGS.
Sand 6, the plate 40 projects below plate 32 and upon
to guide it therealong when it is moved under car Wheel
: impact. '
.
It should be understood that ‘while only one stop has
been illustrated, it is ‘contemplated that two Stops will be
used in usual installation, one stop for each rail. The
10
stops willv'also be arranged to .abut vagainst a single‘tie
‘ so that both stops will be simultaneously engaged by the
wheels‘ of a car.
The primary feature of the present invention, as already’
‘ indicated, resides in the construction of the holding and
clamping position. From this position, movable wedge
means 79 is utilized to bring the clamping means into
the ?nal clamping position which is best shown in FIG. 3.
Referring now particularly‘to FIG. 6, it will be noted
that the governor plate 32 is provided with oppositely
inclined openings 72 therein providing inner and outer,
upwardly andrin'wardly inclined ‘guiding surfaces 74 and
76, respectively.
The clamping. elements 60 project
through the openings'72. Each of the clamping elements
has a lower jaw de?ning portion 60A, an intermediate
.guiding means 20. However, before describing it in de
tail, it may be well to describe. theremainder of the stop 20 portion 69B and an upper portion 60C provided with
orderto provide a better understanding of the inven
apertures 60D through which the projecting ends of cross
shaft 64 loosely extends. The lower clamping jaw 60A
, The abutment plate 12 may take various forms'and is
terminates in a downwardly and inwardly extending toe
shown made from a ‘single piece of 'metal plate having a
adapted to be engaged with the underside of the rail head
thickness of about one inch. The forward edge of the
'when the ‘stop is seated upon the rail properly to e?ect
abutment is‘ constructed and'ar'rangedto provide two
guided movements of the clamping elements. The latter
spaced apart abutments 24 and 26, the former of which
are provided with relatively wide inner projections 60E
tion.
,
>
r
v
'
is the lower abutment and the latter the upper one. The 7
engageable with ,the governor plate surfaces 74 and a
lower abutment2'4is at the front edge of the plate and
pair of spaced outer projections 60F engageable with
is constituted by a lower forward portion 28 of the plate. 30 the outer surface 76 of the governor plate and also with
The‘upper abutment 276~is somewhat to the rear and at'
the interior surface of downwardly extending generally
the upper end of a higher rear portion, 30' of the plate,
U-shaped clamp retainers 80 secured to the underside of
'The abutments' are located ‘so-that a ‘wheel will contact
the governor plate 32 at opposite sides of the rail head.
only the lower abutment24 or both the lower and upper
The cross shaft 64 is provided with end ?anges or col
abutments 24 and 26.". '
~
lars 64A to prevent unintentional sliding of the elements
The bottom of plate-12 is generally horizontal but is
‘off the cross shaft. The collars, as best shown in FIG. 6,
cut: away for the reception of ' a horizontalbase governor
engage the upper surface _of the governor plate to deter
plate 32 extending some distance beyond the opposite
mine the limiting downward position of the cross shaft
sides‘ of ‘the rail head‘ and for the reception of a rear
and thus of the clamping elements “and vertical plate 40'.
horizontal base. plate 34 of a'width somewhat less than
that ofithe rail head, see FIGS. 9 audit): The two plates
'32 and 34 abut against and are secured to each other and
the front edge of plate 32 abuts against and is secured
to a rear vertical portion 36 (see FIG. 7) of the abut
ment 12,‘ thereby to provide a strong and durable con
struction. The two plates are seated on'top of the rail
head. The plate 12 is also slotted at '38'for the reception
of a vertically movable mounting plate 40, to which fur
ther reference will be had shortly.
The force of the wheel stopping impact is transmitted ‘
to the ties and ballast by the thrust transmitting structure
14 which, in the main, takes the form of a saddle 42 and
The wedge 70 includes two laterally spaced apart longi
tudinally extending portions 84 terminating in an inclined
portion 88 cooperatively associated with the clamping
elements through the cross shaft. 'The two wedge plates
84 are interconnected by a hinge pin 90 pivotally sur
rounded by a handle ring 92 to which is secured the wedge
manipulating handle 94. The wedge-rides on the upper
surface of the plates 34 and 32 and is adapted to be moved
longitudinally of the stop by. the handle 94. For con
venience, the handle is generally triangularly shaped and
' the portion 914A, which is attached to the handle ring, is
provided with a generally U-shaped dependent lock 96
' adapted to partially encircle the base plate 34 when the
. stop-is installed upon the rail, see FIGS. 1, 9, l2 and 13.
divergent thrust transmitting plates 44. The saddle 42
has legs 42A straddling the rail 16 and extending down
v The wedge is guided by the longitudinally extending
wardly su?icient to abut againsta substantial portion of 55 Wedge guide strips 97 Welded to the innerside of the
a tie. The big‘ht42B of the saddle sets upon the top of
~ divergent transmitting thrust plates 44.‘ Complete with
the rail and is welded to the rear edge of plate 34. The
higher-portion 30 of abutment plate !12' is connected to
the legs of the saddle bylthe plates 44 which extend down
wardly, rearwardly and‘outwardly. Additional‘strength
is provided by a vertical rear brace plate 54 ofgenerally
‘trapezoidal shape welded to the plates 44 and 46 and
to the ‘vertical rear'edge of abutment plate 12. Brace
> plate 54 is provided with a slot 56 (see FIGS. 7 and 8)
at its lower end straddling the rear horizontal base plate
34,’ the lower end 'of the brace plate 54 being'w'elde'd‘ to
the ‘rear of governor plate 32. The wheel stop is strength
drawal of thewedge is prevented by 2a cross pin 98 suit
ably secured,as_by pins 99, to and extending between the
divergent "thrust plates 44, see FIGS. 9 and 12-14.
Bracing between the saddle 14-and the rear end of base
plate 34 is provided by‘ the small generally trapezoidal
~ braces 100 v(see FIGS. 4 and 9) having upwardly and rear
wardly inclined surfaces 102 engageable with the lock 96
' whereby; as the handle and wedge are moved rearwardly,
the handle is also lifted so that it can be moved to the
position in which it is illustrated in FIG. 4.
'
ened by» generally-triangular ‘laterally ‘extending brace
The stop may be ‘fabricated readily and may be readily
seated'upon and slidably clamped to the rail. Before
' plates 58 Welded to opposite sides of abutment plate 12
andvto the front edge of the governor plate 32.
V
' the stop is clamped to the rail the clamping means occupies
The clamping and ‘guiding means'20 will now be de
scribed. In the main, it comprises an assembly of which
therreleased position in ‘which it is shown in FIGS. 5
and 6. At this time, the clamping elements are disposed
' away from the rail head and the vertically movable plate
40 extends below the bottom of governor plate 32. When
opposed clamping elements 60 movably suspended from
the stop isseated upon the rail, the plate 40 is moved
a horizontally disposed cylindrical cross shaft .64 sup 75 upwardly relative to the remainder of the stop thereby to
7 > the governor plate 32 is a part and including also the
2,043,240
6
.5
move the cross shaft and the clamping elements'6t) up
brace plate 124. The operation of ‘this embodiment is
wardly so that the clamping portions 60A move toward
clamping position under the rail head. This movement
carries the cross shaft up above the lower portion of the
inclined portion 88 of the wedge 70 so that the wedge
can be moved forwardly of the stop whereby the inclined
portion 88 lifts the cross shaft upwardly an amount su?i
cient to complete the clamping movement of the ele
these details are not intended to be, limitative of the
, invention except insofar as set forth in the accompanying
ments 60.
The clamping position for a 4" rail is shown in FIG. 12, 10
for a 7" rail in FIG. 13 and for a 6'” rail the clamping
position is shown in FIG. 3. To unclamp the stop the‘
handle 94 is moved rearwardly to the position shown in
FIG. 4. During this movement the braces 100 e?ect'up
ward movement of the handle and withdrawal of the
wedge is prevented by the cross pin 98. When the wedge
has been retracted to the position of FIG. 4, the cross
shaft 64 moves downward to its limiting position whereby
the clamping elements are disengaged from the rail head,
as shown in FIG. 6.
In the modi?cations of the stop illustrated in FIGS. 15
and 16, biasing means are provided to bias the clamping
element operating wedge in a direction to e?ect movement
like that of the embodiment of FIG. 15.
While the present invention has been described in con
nection with details of different embodiments thereof,
claims.
‘
i
What is claimed as new and desired to be secured by
Letters Patent of the 'United States is:
1. A wheel stop for installation upon a rail, including
in combination, wheel abutment structure adapted to be
placed on a rail, means including rail clamping elements
movably mounted upon the structure for movement be
tween rail clamping and released positions and normally
occupying the latter position when ready for installation,
a movable supporting element adapted to ‘abut against the
rail and to be moved upwardly relative to the structure
u-pon installation of the stop on the rail, means supporting
said clamping elements on said supporting element, means
for eifecting movement of the clamping elements toward
rail clamping position upon placement of the stop on a
rail and upward movement of said supporting element,
and means including slidable wedge means for moving said '
clamping elements and slidable to complete movement of
For the most part, the structures of the stops corre 25 said clamping elements to said clamping position.
2. A wheel stop as claimed in claim 1 wherein said
spond to that already described and like parts are indicated
of the clamping elements to clamping position.
abutment structure includes plate structure seating upon
'
the rail and upon which said wedge means is movably
Referring ?rst to the stop illustrated in FIG. 15, the
mounted.
t
,
wedge is indicated by the reference character 110. It is
3. A wheel stop as claimed in claim 1 including-bias
slidably mounted upon the governor plate 32, this embodi 30
ing means acting on said ‘wedge means to move it in a
ment having no base plate corresponding to plate 34 of
by like reference characters.
the previously described embodiment.
The wedge is
biased toward the right by a spring 112 surrounding a
rearwardly extending pin or shaft 114 passing through
an aperture in cross brace 116 extending between and
secured to the thrust plates 44. The spring preferably is
predetermined direction.
4. A wheel stop as claimed in claim 1 including bias
ing means acting on said wedge means to move it in a
direction to move said rail clamping elements to rail
clamping position.
5. A wheel stop as claimed in claim 1 including a
handle movably connected to said wedge means for mov
position by a manually operable handle 118 pivotally 40 ing it and weight means on said handle to bias it in a
direction to move the wedge means to its rail clamping
mounted upon a shaft 120 secured to spaced apart bracket
position.
arms 122 mounted upon a rear brace plate 124 correspond
6. A wheel stop as claimed in claim 3 wherein said
ing to brace plate 54. The handle includes a down
biasing means is constituted by spring means.
wardly extending crank arm 126 having a slot 128 co
7. A wheel stop as claimed in claim 3 wherein said
operatively associated with a pin 130 connected to the 45
biasing means is constitued by ‘a weight.
wedge.
8. A wheel stop "as claimed in claim 5 including handle
In FIG. 15, the wedge is shown in its forwardmost posi
locking means on the structure for holding the handle in
tion in which the wheel stop is clamped to the rail. To
disengage the wheel stop, the handle 118 is lifted thereby ' position to hold the wedge means in its rail clamping
strong enough to force the wedge into its clamping posi- ‘
tion. The wedge is adapted to be moved to its retracted '
to effect movement of the wedge rearwardly against the 50 position.
9. A wheel stop for installation upon a rail, including
force of spring 112. The cross shaft drops down upon
in combination, wheel abutment structure adapted to be
the governor plate 32 and the clamping elements also
placed upon a rail, means including rail clamping ele
move downwardly. In the ‘fully retracted position, the
ments movably mounted upon the structure for movement
front end of the wedge abuts against the cross shaft 94,
‘between rail clamping and rail releasing positions and
as shown in FIG. 4, whereby the wedge is held in the
normally occupying the latter position when ready for
retracted position.
installation, a movable supporting element adapted to
When it is desired to install the Wheel stop upon the
abut against the rail and to be moved upwardly relative
rail, the stop is seated on the rail whereupon the cross
to the stop upon installation of the stop on the rail, a
shaft is moved upwardly by the vertical plate or shaft 46,
as previously described. When this occurs the spring 112 60 cross shaft mounted on said supporting element for move
ment therewith and supporting said rail clamping elements,
moves the wedge 110 to the right under the cross shaft
means ‘for effecting movement of said clamping elements
thereby to lift the cross shaft and clamping elements until
toward said clamping position as said supporting element
the latter are engaged with the underside of the rail head.
is moved upwardly, and means including slidable wedge
If desired, the handle 118 can'be ‘further lowered some
means associated with said cross shaft and movable to
what, more tightly but still slidably to secure the stop to 65 effect further upward movement of said supporting ele
the rail.
ment and of said clamping elements to said clamping
The embodiment of FIG. 16 is similar to that of FIG. 14
position.
,
'
except that the wedge is weight biased, the weight being
10. A wheel stop for installation upon a rail, including
indicated by the reference character 118A. A gravity
in combination, wheel abutment structure adapted to be
operated vertically movable locking wedge 140 is pro
placed upon a rail, means including rail clamping ele
vided to keep the handle from becoming loose, the handle
ments movably mounted upon the structure for movement
being shown as it is locked by the wedge 14!), which has a
between rail clamping and rail releasing positions and
triangular point 142 wedging between the handle and ver
normally occupying the latter position when ready for
installation, a movable supporting element adapted to
tical brace plate 124. To unlock the handle, the wedge
140 is lifted in its guides 144, which are secured to the 75 abut against the rail and to be moved upwardly relative
-
7
3,043,240’
clamping position, a handle'movably connected to said
wedgev means ‘for moving said-wedge, means, and hook
to the stop upon
a»
installationof
c
c '7 _ the v stop on the rail, a
cross shaft mounted ,on said supporting element for move
ment therewith and having projectingv portions at opposite '
means on said handle adapted partially to encircle a por
Sides thereof for supporting saidlrail clamping elements,
means'for effecting movement of said clamping elements~
tion of the structure ‘for holding said handle seated upon
the rail.
‘ towardrsaid clamping position- as said supporting element
'
a
,
12; A wheel stop for installation upon a rail, including
is moved upwardly, and meansjincludinglshdable' wedge
" in combination, Wheel abutment structure adapted to be
a, means including portions at opposite sides of said sup
, porting element engageable with said projecting portions
placed on'a rail, means including rail clamping elements
" of said cross shaft and movable’ ‘further, to raisesaid’sup
movably mounted upon the structure for moyement?be
10, tween rail clamping and rail releasing positionsand nor
porting element to' e?ect movement of said‘ clamping
mally occupying the latter position when ready for instal
elements
11. A wheel
to saidstop
clamping
‘for installation
position. upon
, ' a rail, ,including
.
lation, a movable supporting element ‘adapted to abut
in combination, wheel vabutment structure adapted vtobe
structure upon installation of the stop on the rail, means
placed upon a rail, means including. rail clamping ele
' ments movably mounted upon the structure for move
ment between rail clamping and rail releasing positions
against the rail and to be moved upwardly, relative to the
supporting said clamping elements on said supporting ele
ment, means for e?ecting movement of‘ said clamping
elements toward'the rail upon upward movement of said
and normally occupying thellatter position when ready .for
supporting element, and means including biasing means
installation, a movable supporting element adapted to, , for eifecting‘upward movement of said supporting ele
abut againstthe rail and to be movedup-wardly relative‘to 20 ment and clamping element supporting means and thus
the stop upon installation of the'stop on the rail, a cross
of said clamping elements toward rail clamping position.
shaft mounted’ on said'supporting element for movement
References Cited in the ?le of this patent
therewith and having projecting portions at, opposite sides
QNITED STATES PATENTS
7 thereof for supporting said rail clampingelements, means
for e?ecting movement of said clamping elements toward 25
said clamping position as said supporting element is moved
'~ upwardly, means includingslidable Wedge means, includ
ing portions at opposite sides of said supporting element
engageable with said projecting portionsof said cross
sha?t and movable further to raise said supporting ele
ment to effect movement of said clamping elements to said
888,931
Robinson ____________ __ May 26‘, 1908,
941,558
Cloak ______ .._.. _______ __ Nov. 30, 1909
2,100,512
Kotowski ____________ __ Nov. 30, 1937
2,164,404
2,762,314
2,789,517
2,900,923
‘Hayes
Hayes
Hayes
Hayes
________________ _. July 4,
; ______________ .__ Sept. 11,
_______________ __ Apr. 23,
_______________ __ Aug. 25,
1939‘
1956
1957
1959
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