close

Вход

Забыли?

вход по аккаунту

?

код для вставки
t Pm D E R
' 2,4
3?? '
COUPLING FOR MODEL RAILWAY VEHICLES AND THE LIKE
Filed April 5, 1943
in? W@ ?iwm .
7120/14/45’ PIA/DEF? "
Patented Oct. 8, 1946
2,408,877
UNITED STATES PATENT‘ OFFICE
2,408,877
COUPLING FOR MODEL RAILWAY VEHIGLES
AND THE LIKE
Thomas Pind'er, Scarborough, England
ApplicationAprii 5, 1943, Serial No. 481,921 ‘
In Great Britain April 22,1942
3 Claims. (Cl. 213—178)
2
.
This invention relates to couplings for model
gravity to the inner sideof the pivot ‘I and‘ the,
railway vehicles and the like and has for its chief
lever I comes to rest against a stop 8 asshown.
object to provide for the automatic coupling
in dotted lines, Figure 1. _‘
and uncoupling of model railway vehicles.
The
movement
of
the
lever
I
raises
the,
arm.
According to the invention, the automatic cou
_6 to such agposition that its upper face forms
pling and uncoupling of model railway vehicles,
an incline from the inner end of the .platform_4
car and lorry trailers or the like, is effected by
to
above the top of the nose 3. V The coupling
means comprising a lever supported approximate
hook II is arranged so that as it is withdrawn
ly vertically on a pivot in the coupling with suit
able movement allowed in either direction from 10 from the gap platform 4 it raises up thetupper
face of the arm 6 to just beyond the nose,3_ when
the centre.
it contacts with the shaped end of the army 6, and
The pivot centre is on the vehicle side of a gap
forces it and the lever I to again change their
or opening in the coupling and below the level of
centre of. gravity to the outer side ofpivot ‘I.
the‘ bottom of said gap, whether formed in one
The arrangement, is such that the .force re_-,
casting or by a suitable platform over which an 15
quired to bringthe lever I from its inner to the.
inverted hook forms the necessary’ coupling ar
outer centre of gravity, e. g. from the position
rangement.
shown
indotted lines to thatshown in fulllines,
In order that the invention may be clearly
is greater than the weight of the coupling, link
understood and readily carried into effect, the
same will now be more fully describedbythe 20 II carried by the adjacent, vehicle when resting
on the coupling. A coupling link Hat is car
aid of the accompanying drawing, in which—
ried by the vehicle carrying the casting, 2 and
Figure 1 is a longitudinal sectional view'of one
is shown in. Figure 1 in its raised or out-of-way
construction of coupler embodying the invention,
position by reason of it having been engaged and
and showing a coupling’ member and link of an
adjacent vehicle associated therewith.
Figure 2 is an end elevation of Figure 1.
Figure 3 is a longitudinal section of a modi?ed
construction, and showing a coupling member
and link of an adjacent vehicle associated there
with.
lifted by, the coupling link II on theapproach
25 ing vehicle ‘to be thrown back, into the position
shown. in.the dotted lines. .
Theaction of the coupler is agfollows:
On two vehicles approaching each other, the
coupling links II and. [la come into contact, Ila,
30. surmounting II so as to cause the latter to con
tact with the nose end 3. of the platform 4 up,
which it. is forced to. fall onto, the platform 4-v
‘and the vehicles are coupled.
The vehicles can then be pulledor pushed pro
3.5 vided in the latter event, the movement is. C011]:
ber and link of an adjacent vehicle associated .
menced gently.
therewith, and Fig; 7 is an end view of Figure 6.
Inorder to uncouple a vehicle a sharp push
Like ?gures of reference indicate like parts
Figure 4 is an end elevationof Figure 3.
Figure 5 is a section taken through. line A--B
of Figure 3.
Figure 6 is a longitudinal sectional view of
another modi?cation showing a coupling mem
_
followed by- apull is given, and. the coupling link.
I represents the lever, 2 the coupling, 3 the 40. II contacting suddenly with. the tumbler-lever I
nose of the coupling and _4 the?gap platform in
‘throws it over to stop 8 lifting in the first ‘case
the coupling.
" the'arm 6 which forms a bridge on which the
The inner part of platform d-rises to form stops
coupling link rises-over-the hooked nose~3 sothat
5’ on either‘ side of the lever I,v said stops being
the coupling link can slide along the platform~~
positioned in such a way relative to the lever I 45 beyondthe hook’s range.
‘
throughout the views.
that a coupling link II carried by an adjacent
vehicle coming against the stops, 5 may move the,
lever- I and an arm 6 thereon, butnot to the
Further withdrawal of the coupling link‘ con-'
tacts with a projection arranged‘ on the tumbler‘
lever arm which action forces the tumbler'lever
extent of causing, the lever’ to fall into its rear- '
over to its other stop, i'. e. into its position before
ward position. To hold the arm 6 in its, raised 50 coupling took place and the vehicles are un
position towards the inner side of the pivot point
coupled.
‘I the lever I has to be moved itsfull amount
An alternative construction is shown in Figures
rearwardly and this is only e?‘ected when a sud.
3 to 5 where a separate inverted hook 9 is used
den or sharp impact is ,made whereby the velocity
to'form the coupling hook.
imparted‘ to the lever vI carries the centre of 55
The lever I with, they arm ,6 is pivoted at‘! and
2,408,877
due to its weight rests on the bottom of the
coupling or casing 2 through the extension l0.
An inverted hook 9 is also pivoted at 1 and
at its inner end embraces the lever I, ‘the two
ends coming outwards to form an inverted hook.
The inner end which connects the two sides is
suitably cut away to allow the hook to lift with
out affecting the lever l but when the lever l
moves inwards the inverted hook 9 is lifted up.
As shown in Figures 6 and 'l the inverted hook
9 may be integral with the lever l and the arm
ward movement of said hook link will rotate said
vertically disposed arm about its pivot support
to contact said rearward movement limiting
means on said coupling member, said rotation
of said arm will cause the front portion of said
horizontal arm to be moved upwardly above said
gap platform and said ?xed coupling member,
said horizontal arm thus serving as a guide means
for said hook link to elevate said hook link above
said coupling member during an uncoupling oper
ation the parts being constructed and arranged
so that when two vehicles are coupled together
and the hook link is moved suddenly or sharply
such a length relative to the hook 9 that a cou
to impact against the vertical arm it moves the
pling book link II on an adjacent vehicle, com
latter rearwardly and the horizontal arm up
ing up the ramp of the coupling or casing 2 has 15 wardly to allow withdrawal of the hook link from
passed the submerged end of the arm 6 before
the coupling.
lifting the hook 9. Again when the hook 9 is
2. An automatic coupling and uncoupling
lifted by a coupling hook it must not move the
mechanism for railway‘ vehicles comprising a
lever I so as to change its centre of gravity.
?xed coupling member arranged to detachably
The action is similar to that of Figure 1, the 20 receive a coupling link of an adjacent vehicle,
engaging hook rising up the sloping end of the
said coupling member having a gap platform
casing 2 on to the platform 4 so as to raise the
thereon, a substantially L-shaped lever pivoted
inverted hook 9 and passing under the same when
on said coupling member, said lever having a
the hook 9 falls and closes the gap 4.
normally vertically disposed arm and a horizontal
The vehicles are then coupled and provided any 25 arm normally resting on the platform, said cou
shunting of the coupled vehicles is commenced
pling member having means engaging the ver
gently they remain coupled.
tical arm when the latter is moved rearwardly
In order to uncouple the vehicles one is pushed
to limit the movement thereof, said coupling
6. In this case the arm 6 must be arranged of
sharply against the other, whereby theend of
member having stops arranged to be engaged by
the opposing coupling hook strikes the lever l 30 the coupling hook link of the adjacent vehicle,
and carries its centre of gravity to the inner side
the hook link of the adjacent vehicle, upon rear
of the pivot ‘I Where it remains against the stop
ward movement of said hook link will rotate said
8. This movement of the lever l raises both the
vertically disposed arm about its pivot support
arm 5 and the inverted hook 9 so that on the
to contact said rearward movement limiting
withdrawal of the coupling hook it passes under 35 means on said coupling member, said rotation of
the hook 9 and later engages the shaped end of
the arm 6 giving to this a motion about the pivot
‘I so as to bring the lever I over into its original
said arm will cause the front portion of said
horizontal arm to be moved upwardly above said
position resting on the stop l0.
said horizontal arm thus serving as a guide means
.
The vehicles are now uncoupled and in a posi
tion to engage the next coupling hook that comes
up the ramp of the coupling or casing 2.
Where the weights of vehicles vary consider
ably,.such as bogies and four wheelers, the plat-‘
form 4 may slope upwards for the lighter vehicles
so that a coupling hook will come in contact with
the lever I a greater distance from its fulcrum
than when a horizontal platform is used so re
gap platform and said ?xed coupling member,
for said hook link to elevate said hook link above
said coupling member during an uncoupling oper
ation and an inverted hook member movably
mounted on the coupling and coacting with the
horizontal arm of said lever for connecting the
coupling link of the adjacent vehicle to the cou
pling, the parts being constructed and arranged
so that when two vehicles are coupled together
> and the hook link is moved suddenly or sharply
ducing the energy required to uncouple.
to impact against the vertical arm it moves the
To ensure a light vehicle coupler being engaged to. latter rearwardly and the horizontal arm up
and not that of the adjoining heavy vehicle, the
wardly to allow withdrawal of the hook link from
light vehicle’s coupling hook in the section that
the coupling.
contacts with the adjoining vehicle’s coupler hook
3. An automatic coupling and‘ uncoupling
when vehicles are coming together, should be
mechanism for railway vehicles comprising a
'chamfered on its vertical face downwards from
?xed coupling member arranged to detachably
the top so that an oncoming heavier coupler hook
receive a coupling link of an adjacent vehicle,
willpass underneath and engage the light wagon’s
said coupling member having va gap platform
coupler. With two wagons coupling it is imma
thereon, a substantially L-shaped lever pivoted
terial which coupler is engaged.
60 on said coupling member, said lever having a
I_ claim:
normally vertically disposed arm and a hori
zontal arm normally resting on the platform, said
coupling member having means engaging the ver
coupling member arranged to detachably receive
tical arm when the latter is moved rearwardly
a coupling link of an adiacent vehicle; said
to limit the movement thereof, said coupling
coupling member having a gap platform thereon, 65 member having stops arranged to be engaged by
a substantially L-shaped lever pivoted on said
the coupling hook link of the adjacent vehicle,
. coupling member. said lever‘ having a normallyv
the hook link of the adjacent vehicle, upon rear
vertically disposed arm and a horizontal arm
ward movement of said-hook link will rotate said
normally resting on the platform. said coupling 70 vertically disposed arm about its pivot support
member having means engaging the vertical arm
to contact said rearward movement limiting
when the latter is moved rearwardly to limit the
means on said coupling member, said rotation
movement thereof, and said coupling member
of said arm will cause the front portion of said
1. An automatic coupling and uncoupling
mechanism for railway vehicles comprising a fixed
having stops arranged to be engaged‘ by the
coupling hook link‘ of the adjacent vehicle, the
hook link of the adjacent vehicle, upon rear—
horizontal arm to be moved upwardly above said 1
gap platform and said ?xed coupling member,
2,408,877
said horizontal arm thus serving as a guide means‘
for said book link to elevate said hook link above
said coupling member during an uncoupling oper
ation and an inverted hook member extending
from the vertical arm of said lever and coacting
with the horizontal arm thereof for connecting
the coupling link of the adjacent vehicle to the
coupling, the parts being constructed and ar
6
ranged so that when two vehicles are coupled
together and the hook link is moved suddenly
or sharply to impact against the vertical arm it
moves the latter rearwardly and the horizontal
arm upwardly to allow withdrawal of the hook
link from the coupling.
T. FINDER.
Документ
Категория
Без категории
Просмотров
0
Размер файла
392 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа