Патент USA US2407785код для вставки
Sept.'l7, 194s. ‘ 5. w. GROVE, 3D PERAMBULATOR 2,407,779 “ Filed July 28, 1945 ' lily/Euro’? EDWIN W. Gaovs- ]]I i ‘ ' 2,407,779 Patented Sept. 17, 1946 UNITED STATES PATENT OFFICE 2,407,779 PERAMBULATOR \ Edwin W. Grove, III, Ladue, lVIo. Application July 28, 1945, Serial No. 607,577 1 Claim. ‘ (Cl. 280-441) 1 This invention relates to perambulators, par ticularly to the foldable type, the principal object 2 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, use. 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, position. 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 position. 5 backwardly toward the legs 3, and also has Fig. 6 is an enlarged detailed section taken on the 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 tion. 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. 3 2,407,779 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 4 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 EDWIN w. GROVE, In.