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Патент USA US2407785

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Sept.'l7, 194s. ‘
5. w. GROVE, 3D
Filed July 28, 1945
' lily/Euro’?
EDWIN W. Gaovs- ]]I
i ‘ '
Patented Sept. 17, 1946
\ Edwin W. Grove, III, Ladue, lVIo.
Application July 28, 1945, Serial No. 607,577
1 Claim.
(Cl. 280-441)
This invention relates to perambulators, par
ticularly to the foldable type, the principal object
rest a smaller wheel H is attached for swiveling
action through a caster l2.
As previously mentioned, the member 2 is ir
regularly shaped, as most clearly illustrated in
which can be folded or opened up for use by a
Fig. 3, and at the center of its rear edge it is
single operation, that is, by raising or lowering
provided with a cut-out section l3, the front wall
the seat, respectively.
5 d of which slants forwardly from top to bottom,
Other advantages of the invention are its light
as shown most clearly in Figs. 4 and 6. A re
weight, so that it can be transported by hand
taining pin I5 is positioned in the member 2 so
when not in use, and its simplicity of construc
tion, so that it can be cheaply produced and 10 that it passes through the cut-out section l3
from side to side of said cut-out section. A han
has no parts that will easily get out of order.
dle rod l6 has at one of its ends an elongated
Another feature is that it can be folded prac
slot I7 and is so positioned on the vehicle that
tically flat for convenient storage when not in
the retaining pin [5 passes through the slot I1,
15 which is of such diameter as to permit the handle
In the drawing:
to swing easily about said retaining pin.
Fig. l is a side elevation of the perambulator
In operation the procedure is as follows:
in operative position.
Suppose the perambulator is in its open, oper
Fig. 2 is a front elevation thereof in operative
ative position, as illustrated in Figs. 1, 2, and 3,
Fig. 3 is a top plan view of the perambulator 20 and the intention is to fold it. The handle I6
is dropped so that it will swing on the retaining
in operative position,
pin 55 to a perpendicular position. The rear
Fig. 4 is a side elevation illustrating the
edge of the seat ‘I and its supporting cross-bar
perambulator in folded position.
5’ are drawn upwardly on the legs 3, which draws
Fig. 5 is a rear elevation of the vehicle in closed
25 the forward edge of the seat and the cross-bar
5 backwardly toward the legs 3, and also has
Fig. 6 is an enlarged detailed section taken on
effect of drawing the diagonal members I
line 6-—6, Fig. 1.
toward the legs 3 by virtue of the pivotal con
The invention comprises a pair of parallel,
nection between the bar 5 and the diagonal mem
diagonal members I (describing it now in its un- .
bers l. As this movement continues it will be
folded position) connected near their upper ex
seen that the seat 1 moves to a vertical position
tremities by an irregularly shaped member 2
and comes to rest against the back 8, at which
which is pivotally engaged at each of its ends
time the diagonal members l will have assumed
with one of the diagonal members I. Near the
a position parallel with and adjacent to the legs
ends of the member 2 but spaced a slight dis
tance away from the diagonal members I a pair 35 3. It will now be found that the diagonal mem
bers l, the legs 3, the seat 7, the backrest B, and
of legs 3 is rigidly secured to the member 2, said
the handle 15 are all in substantially vertical
legs diverging slightly from the perpendicular
position, as shown in Figs. 3 and 5, with the
when the perambulator is in its unfolded posi
wheels it spaced at some distance above the
wheels H, and the perambulator can either be
A footrest 4 extends between the diagonal
easily lifted and carried by hand, or it can be
members I at their lower extremities, and at a
propelled in its folded position on the wheels II.‘
suitable height to seat a child comfortably. A
To open the perambulator to its unfolded,
of the invention being to produce such a vehicle’
supporting cross-bar 5 is pivotally attached to
operable position, the above operation is simply
the diagonal members I. A pair of supporting 45 reversed by pushing down the rear edge of the
bars 5 extend backwardly from the bar 5 to the
seat 'i' and the supporting cross-bar 5’, which has
the effect of pushing forward the front edge of
legs 3, with which the bars 6 are in slidable en
the seat and the supporting cross-bar 5%, and by
gagement, and a cross-bar 5' connects the sup
porting bars 6 at their rearward ends. A seat
1 is secured to the bars 5, 5’, and 6, and a brack
rest 8 is secured to the legs 3, and pins 9 on the
legs 3 serve to stop the bars 6 from sliding down
wardly on said legs beyond a predetermined
point. At its lower end each leg 3 is provided
with a wheel [0, and near each end of the foot 55
virtue of their pivotal attachment to said cross
bar ii the diagonal members I are also pushed
forwardly. When the bars 6 come to rest on the
stop pins 9, the seat will be in its horizontal posi
tion and the diagonal members I will have been
pushed forwardly until they have again assumed
the position shown in Fig. 1.
The handle I6 is then swung upwardly on the
retaining pin l 5 and allowed to slip down so that
said pin is positioned in the upper end of the slot
i1 and the upper surface of the handle l6 lies
against the slanting wall l4 of the cut-out por
tion I3'of the member 2, as shown inlFigs. 1 and
6. It is obvious that with the parts mentioned
in this position, a forward push on the handle
and a seat attached to said horizontal elements,
certain of said connecting elements being in piv
otal engagement with said side members and in '
sliding engagement with said legs, stop means
.for limiting the movement of said sliding ele- V
ments, a backrest, a handle provided with 'a slot,
and a rigid connecting element between said legs
upon which said handle is swingably mounted,
IE to propel the vehicle has the effect of forc
said rigid connecting element having a cut-out
ing the end of the handle tightly against the 10 portion with an inclined wall, retaining means
slanting wall I4, where it is held in frictional
passing through said cut-out portion and
engagement, and the harder they push, the
through the slot of the handle whereby said
tighter the engagement; The'perambulator is
handle is held in frictional engagement with said
now once more in its operable position,
inclined wall, and rotatable’ propelling means,
I claim:
A foldable perambulator comprising in its un
15 said side members, vertical legs, seat, backrest,
and handle being adapted to be brought into
folded position a pair of parallel, diagonal side
substantially parallel positions with relation to
members and a pair of vertical supporting legs,‘
each other through a single operation.
a plurality of horizontal elements connecting
said diagonal members and said supporting legs 20
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