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Och 22, 1946-
‘ _ A. R. WICHER
'
2,409,920
AUTOMATIC SCALE MODEL COUPLER
v Filed Jan. 7, 1944'
ATTORNEYS
Patented Oct. 422, ‘1946
2,409,920
..[§.I_.uNi1T'E.o ‘STATES PATENT OFFICE
2,409,920 ‘
AUTOMATIC SCALE MODEL ‘COUPLER:
. August‘R. WichergtChicago, Ill.
; >
_
Application January 7, 1944, Serial No; 517,463
3431251125. (Cl. 213*405)‘
‘
1
My invention relates to toy trains and .has
among its objects and advantages the provision of
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2
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one end lying in a notch‘ 50 in the head 22. This
spring includes two arms, the arm .52 engaging
one wall» of the slot'28 and the end 54 having a
bend 56 engaging a concaved face 58v on the arm
an improved car coupler designed to permit the
coupler to be madein accordance with a prede
termined scale, and-in‘which the couplers oper Cl “ 32. The tension of the spring 48 yieldingly urges
ate ef?ciently, in addition to being interchange
the arm 32 in a clockwise direction when viewed
according to'Figures 1- and 2.
~
able with scale model couplers of other design.
In operation, Figure 1 illustrates the coupler
While scale model couplers have been employed
members l2 engaged for car coupling purposes.
in connection with toy trains, such couplers are
not entirely dependable,
10 The flat faces 26 of the two jaws 24 lie in face to
face engagement, this engagement being yield
In the accompanying drawing:
Figure 1 is a top plan view of a coupler in ac
ingly maintained by reason of the pressure of the
arms 32 on camming faces 60 on the respective
cordance with my invention.
Figure 2 is a similar view illustrating the two
heads 22.’ At the same time, the legs 44 of the
coupler heads in the act of separation.
15 two wires 36 lie between the jaws 24 and the re
spective flat faces 46.
Figure 3 is a face view of a portion of one of the
With the members l2 coupled according to Fig
coupler heads.
Figure 4 is a view of a tensioning member.
‘ure 1, the two heads 22 may be moved closer to
gether short distances against the tension of the
Figure 5 is a view of the same member taken
from a different position.
20 springs 48, which provides desirable cushioning
for the coupler structure as the cars are brought
Figure 6 is a perspective view of an uncoupling
together. Each member l2 has a shoulder 62 con
member.
stituting a stop for its respective member 32, so
Figure ‘7 is a view of a centering spring, and
that the two members 32 are held apart suf?
Figure 8 is a perspective view of a spring opera
tively associated with the tensioning member of
Figures 4 and 5.
In the embodiment of the invention selected for
illustration, Figure 1 illustrates a coupler l0 com
ciently far to permit the hooks 24 to pass there
between, with the camming surfaces 60 spreading
the members 32 as the heads 22 are moved into
coupling engagement. The tension of the springs
48 is suf?cient to hold the hooks 24 effectively in
prising two identical coupler members l2. Since
the members 12 are identical in construction, the 30 coupled engagement, and the faces 26 are of suf
ficient extent to maintain such coupled engage
description of one will apply to both and similar
reference numerals are applied to both parts.
ment.
‘
To uncouple the heads 22, either or both springs
The member l2 includes a shank I4 provided
36 are pivoted in counterclockwise directions
with a centering spring l6 coacting with suitable
structure not shown, and which forms no part of 35 when viewing Figure 1. Figure 2 illustrates one
of the wires 36 shifted to an uncoupling position.
the present invention. Su?ice it to say that the
Such pivotal movement of the arm causes the legs
spring I6 is of U-shaped contour and is attached
44 on the pivoted wire 36 to bear against the
to the shank l4 by a clip I8 and a screw 20. One
hook 24 on the other coupler member 12 and
end of the shank I4 terminates in a head 22
having a hook 24 provided with a flat face 26 ar 40 shift the two coupler members laterally sufficient
ly far to disengage the two hooks. When the
hooks 24 are brought to the positions of Figure
2, the members 32 press on the hooks 24 and cause
A recess 28 is provided in the head 22 for the re
axial separation of the two coupler members.
ception of a lug 30 on a tensioning arm 32. The
lug 30 is pivotally connected with the head 22 by 45 Each head 22 is provided with a stop pin 64
to limit the pivotal movement of its respective
a straight extent 34 on an uncoupling wire or
wire 36.
member 36, The straight extent 34 . extends
Without further elaboration, the foregoing will
loosely through an opening 38 in the lug 30 and
so fully explain my invention, that others may,
through coaxial openings 40 in the head 22. The
wire 36 is bent into the shape of a U 42 having one 50 by applying current knowledge, readily adapt the
same for use under various conditions of service.
leg thereof bent back upon itself, as at 44. This
leg lies inside the hook 24 and normally lies
I claim:
ranged at right angles to the axis of the shank
M.
against the ?at face 46 of the hook when the head \
1. A coupler of the type described, comprising
22 is coupled with a like head, as in Figure 1.
two pivotally mounted coupler heads, each termi
A spring 48 is mounted in the slot 28 and has 55 nating in a coupling hook engageable with the
2,409,920
3
4
other coupling hook, camming faces on the re
spective heads, tensioning members pivotally con
3. In a coupler of the type described, the com
bination of a head having an attaching shank,
nected with each head and engaging the cam
ming face on the other head to hold said cou
said shank being pivotally mounted at the end
pling hooks in connecting engagement, and means
including portions constituting pivots for the
with a coupling hook and a cam face adjacent
said hook, said head including a recess, a tension
respective tensioning members pivotally connect
opposite to said head, said head being provided
ing member having a lug lying in said recess, said
tensioning member being adapted for engagement
with the camming face on another coupler head,
either or; both‘ areg'pivoted inja'predetermine‘d 10 a spring ‘lying in said recess‘ and; actingon said
.ed with each head and having a part lying be
tween the two jaws to pry the same apart when
tensioning'member to‘ pivot the‘latter into en
2. A coupling of the‘ type described, compris
gagement with the camming face on the other
ing two pivotally mounted coupler heads, each i‘ - head, an uncoupling member pivotally connected
terminating in a coupling hook engageable with , . with said head and having a portioncomprising
V
hav
,the other coupling hook, camming faces on the .15 a pivot for said lug, said uncoupling member
direction."
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respective heads, tensioning members pivotally > .;ing a part lying inside said hook for engagement
with a similar hook on another head to pry the
connected with each head and engaging the cam
' two hooks apart, said shank being provided with
ming face on the other head to hold said coupling
hooks in connecting engagement, means includ- I a centering spring means, a stop on said head for
ing portions constituting'pivots for the respective 20 limiting the pivotal movement of said tensioning
tensioning members, Pivotally connected with
member in onedirection, and a stop'on said head
each'head and havinga-ppart lying between the
for. limiting the pivotal‘ movement of said cou
two jaws to pry the same apart when either or
pling member in one direction. ~
both arepivoted in a predetermined direction,
recesses in said heads, and springs lying in said 25
' 7 AUGUST R.~ vWICHER.
recesses and acting on said‘utensioning members
to press the same against; said camming faces.
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