US1520964A - Luncheon box and the like - Google Patents

Description

. v A. OSTROWSKI LUNCHEON BOX AND THE LIKE Fild March 21, 1923 2 Sheets-Sheet 1 A. .OSTROWSKI LUNCHEON BOX AND THE LIKE Filed March 21, 1923 2 Sheets-Sheet 2 Mg inventor Patented Dec. 30, 1924.

ALFONS OSTROWSKI, F BERLIN, GERMANY, ASSIGNOR TO OSTROWSKI 8t 00., OF

' IBERLIN GERMANY.

Lirncnnon BQX Ann THE Linn.

Application filed March 21,1923. Serial No. 626,473.

To all whom it may concern:

Be it known that I, ALroxs Osrnowsxi,

a citizen of the German Republic, residing at 61 Markgrafenstn, Berlin, Germany, have invented certain new and useful Improvements in Luncheon Boxes and the like, of which the following is a specification.

This invention relates to sandwich, luncheon and thelike boxes which are provided with separate compartments for the reception of food stuffs and of a bottle or flask, such as a thermos flask for example, and its main object is the provision of a box or canister of this kind which shall be more serviceable and convenient for its purpose than the hitherto known boxes of this class.

With this main object in view my invention mainly consists in a box, tin, canister or other receptacle, which is made of two parts and which is extensible so that it may be handled more conveniently. The container, according to this invention consists of a top and bottom portion, of which the latter serves to hold food stuffs, such as sandwiches for example, whereas the top portion is made as a sliding cover for the Fig. 2 a front elevation of a sandwich box in its contracted position.

Fig. 3 is a side elevation, and V Fig. 4.- a front elevation, partly in section, of the box extended;

Fig. 5 is an inside plan view'of the cover, Fig. 6 a cross section online A-B of Fig. 5.

Fig. 7 shows a detail in section, Fig. 8 is a cross section on line CD of Fig. 2,

Fig. 9 1s a longitudinal section on. line E-F of Fig. 2, parts being broken away.

According to this drawing the sandwich box consists of a bottom compartment 1 and a top compartment 2'serving as a cover. and

adapted to slide over compartmentl in telescope-like manner, thereby almost completely enclosing same. The cover 2 is provided with eyelets 3 for attachinga handle or a strap. The end faces of the cover are provided .with small leaf springs l which can be turned through a small angle about their longitudinal axes. The said leaf springs are held by tongues 5 bent up from the material of the box, with aLcertain amount of play, that is to say, the

width of the springs is somewhat less than tongues, so that there is suhicient space for the springs to be slightly turned '(see Fig. 4); The leaf springs at are provided with pins 6 and 7, which project through holes 6 and '7 of the cover'portion as illustrated in Fig. 8. When the box is in its collapsed position, the said. pins 6. and 7 pass through holes 8 and. 9, and in its extended position the distance between the bends of the through holes 10 and 11, all provided in the face ends of the bottom part, thereby holding the two partstogether (Figs. 3 ands).

When the box is to be extended from the contracted position, the leaf springs lmust first be grasped at their ends and the pins 6 and 7 pulled out from their corresponding holes 6 and 7" as well as from the holes 8 I and 9, whereuponthey are turned to a small degree (Fig. 4:). The leaf springs are then pulled so thatthey are returned to their normal position, in which the pins again pro ect through theholes 6 and 7 and thereby bear on thewalls of the face ends of the .bottom portion" The two parts of the boxmay be then pulled apart until the pins 6 and 7 on coming opposite the holes 10 and 11, are pressed into these holes by the pressure of their springs 4, thuslock ing the'box in this extended position. It is preferableto arrange guide grooves, such 7 as 12 in Fig. l, in the face walls of thelower box, which facilitate the extension and collapsmg of the dev ce by gu d ng the pins into their respective holes. In order to separate the parts, the leafsprings 4 must again be turned and the pins 6 and 7 Withdrawn from the holes 6 and 7 whereupon the top may be taken right off. r

In order to enable an easy application of the cover and to automatically guide the pins 6 and? tothe uppermost'holes'10 and spring 14 is provided (see Fig. 6), which is also fixed by tongues 5 stamped and bent up from the material of the box as indicated in- Fig. 7. The flask, for example a thermos flask, is placedwbetween the arms of the spring '14 and is locked in position by a strap hinged to one end of the spring and, at its other end, provided with a hook 16 which is passed through a corresponding slot in the other end of the spring. This way of fixing the flask ensures a proper hold and, at the same time, renders the removal of the flask very easy.

Ventilation holes (not shown) may be provided both in the lower and in the upper portions of the box and, if desired, ad-

ditional holes,-similar to 8 and 9, for the reception of the pins 6 and 7 may be provided in the face walls of the bottom part, so as to enable an intermediate position of the parts between the two end positions above referred to.

A particular advantage of the new container is that it is possible to form the various parts, namely the top and bottom portions, the leaf springs for the locking pins and the spring hoop for the thermos flask by stamping, thus reducing the cost of production toa minimum. The device is both serviceable and eflicient.

What 1 claim is a 1. An extensible luncheon box and the like comprising a bottom compartment, a top compartment slidably connected thereto, the end walls of the bottom compartment having a plurality of pairs of holes therein, a leaf spring located on each end wvall ofthe top compartment, each end of the said springs having a pin adapted to project through an adjacent hole of the said end wall of said top compartment, said pins being adapted to project into the said holes in the bottom compartment.

2. An extensible luncheon box and the like comprising a bottom compartment, a top compartment slidably connected thereto, the end walls of the bottom compartment having a plurality of pairs of holes therein, a leaf spring turnably, connected to each end wall of the top compartment,

each end of the said springs having a .pin

adapted to projec-tthrough adjacent holes in the said end wall of said top compartment, said pins being adapted to project through said holes in the bottom compartment.

3. An extensible luncheon "box and the like, comprising a bottom compartment, a

topcompartment slidably connected thereto, said top compartment having means adapted to hold a flask, bentup tongues stamped out in pairs from the end walls of said top compartment, leaf springs turnably connected to said top compartment, each spring being located between a pair oi tongues with a small amount of free play, each end of each-said spring having a pin adapted to project through holes in the end wall of the top compartment, the-end walls of thebottom' compartments having holes adapted to'receive the said pins.

4:- An extensible luncheon box and the like comprising a bottom compartment, a top compartment slidably connected thereto, means adapted to hold a flask in said top compartment, a leaf spring connected to each end wall of said top compartment, each end of the said springs having a pin adapted to project inwardly through the said end walls of said top compartment, the lower parts of the end walls of the bottom compartment and the upper parts of the said end walls each having pair of holes adapted to receive the pins,

5. An extensible luncheon box and the like comprising a bottom compartment, :1 top compartment slidably connected thereto, means adapted to hold a flask in said top compartment, a leaf spring connected to each end wall of said top compartment, each end of the said springs having a pin adapted to project inwardly through the said end walls, the lower parts of the end walls of the bottom compartment and the upper part of each end wall each having a pair of holes adapted to receive the pins,

and also having grooves adapted to guide the pins from the said lower holes to the said upper holes. i

6. An extensible luncheon box and the like comprising a "bottom compartment, a top compartment slidably connected thereto and adapted to act as :a cover, a hoopshaped spring located in said cover and adapted to hold a flask, a clip hinged to one end of said spring and adapted to lock the flask in position, said clip having a hooked end coacting with a slot in the free end of the spring, and resilient means adapted to hold the said bottomand top compartments in a plurality of relative positions.

7. An extensible luncheon box and the like comprising a bo'ttom'compartment, a

top compartment slidably connected thereto, resilient means including spring controlled pins adapted to hold the said co-mpartments in a plurality of relative positions, the end walls of the lower compartment having holes adapted to receive said pins, said end walls having inwardly curved top edges to guide the pins when applying the top compartment to the lowercompartment. 1

8. An extensible luncheon box and the tracted condition, said resilient means being like comprising a bottom compartment, a attached to the said compartments by benttop compartment slidably connected thereover tongues stamped out from the mate- 10 to, resilient means adapted to suspend a rial of the compartment Walls.

5 flask and located in said top compartment, In Witness whereof I affix my signature.

and resilient means adapted to hold the said compartments in both extended and con- 7 ALFO'NS OSTROVV SKIV

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