DE451812C - Dry battery or element for flashlights - Google Patents

Description

GERMAN EMPIRE

ISSUED AL OCTOBER 81, 1S27

REICH PATENT OFFICE

PATENT LETTERING

M 451812 CLASS 21 b GROUP 10

M g6 ₉₇ 6Vllljsib Date of announcement about the grant of the patent: iß. October ig2j.

Josef Marek and Dr. Alexander Ember in Budapest.

Dry battery or element for flashlights.

Patented in the German Empire on July 16, 1926.

The invention relates to a dry element, one pole contact of which is made up of snap springs which are used to attach a bulb holder designed as a rotary switch, so that a special housing for the lamp holder is unnecessary.

In the drawing, the new pocket element is in several embodiments shown.

Fig. Ι shows a rod-shaped pocket element with an inserted socket and light bulb in longitudinal section and

Fig. 2 shows the element after the outer shell has been removed in the diagram.

Fig. 3 shows an embodiment of the socket in longitudinal section,
Fig. 4, 5 and 6 the rotating sleeve in three different positions in horizontal cross-section according to the line yy of Fig. 3.

Fig. 7 shows the front part of an element

with safety lock.

Fig. 8 shows a variant of the socket in an enlarged side view.

Figure 9 is a cross-section on line 9-9 of Figure 8. ~

Fig. 10 shows a pocket element for the socket according to Figs. 8 and 9.

Fig. 11 shows a pocket lantern with a three-line battery in vertical section and

Fig. 12 in section along line 12-12. The zinc electrode of the element 15 (Fig. 1 and 2) carries the bow-shaped springs 9, 10, the yokes 9 ^α , ΐο ^{α of which} are parallel to one another and spring in the direction of the arrows 11. The contact spring 5 connected to the carbon electrode is located between the two springs 9, 10. The outer shell 16 of the element is extended over the end face of the element carrying the power supply lines 5, 9, 10 and terminated with a thick end wall 6 which has a round opening , which can form the bearing for the rotary sleeve 1 of the bulb socket designed as a switch.

The socket consists of a sleeve i, which is made of an insulating material and designed to accommodate the base 2 of the electric incandescent lamp 3, z. B. is provided with a screw nut thread. The bottom contact 4 of the lamp base protrudes through the bottom opening of the sleeve and interacts with the contact spring 5 of the carbon electrode. The cylindrical sleeve 1 is rotatably mounted about its longitudinal axis xx in the round opening of the end wall 6. On the outer circumferential surface of the rotary sleeve 1, on the axis xx, vertical incisions 7 °, 8 ^a and / ^b , 8 ^b (Fig. 4 to 6) are provided, of which the incisions y ^a and y ^b on the one hand and the incisions 8 ^a , 8 ^b, on the other hand, are each in the same cross-section of the rotary sleeve. The incisions 7 ° and 8 ^{a cut} through the entire wall thickness of the sleeve, so that slots are created at the bottom of the incisions, whereas the depth of the incisions y ^b and 8 ^{6 is} smaller, so that a certain wall thickness remains at the bottom of these incisions. The springs 9 and 10 (see Fig. I and 2) spring against each other in the direction of the arrows 11 and engage with their yokes 9 ^a and io ^a in the incisions of the rotary sleeve. In the position of the rotary sleeve 1 shown in Fig. 4, the spring 9 lies in the incision 7 ″ and the spring 10 in the incision 8 ^a , so that the springs through the bottom opening of these incisions with the base contact 2 of the incandescent lamp are in metallic contact The springs 9, 10 prevent the axial displacement of the sleeve 1 and thereby hold the socket firmly on the element.

When the sleeve is' from the position of Fig. 4 is rotated in the direction of arrow 12 to 90 ^0, reaches the spring 9 in the incision 7 ^& and the spring 10 in the incision 8 ^b of the sleeve 1 (Fig. 5). In this position, the bottom of the incisions 7 ^b , 8 ^b prevents the contact springs 9, 10 from touching the base contact of the incandescent lamp, so that the lamp circuit is interrupted, while the springs further secure the rotary sleeve 1 against axial displacement. But if you turn the sleeve from the position Fig. 5 by a further 90 ^° in the direction of arrow 12 or from the position Fig. 4 opposite to the direction of the arrow 12 by 90 ^° into the position Fig. 6, the contact springs 9 and 10 from the incisions in the rotary sleeve 1, and both springs rest against the cylindrical surface of the rotary sleeve, so that the socket can be completely detached from the element by pulling in the axial direction.

The rotary sleeve 1 can also be easily pushed in between the springs 9, 10 in the position Fig. 6, since the conical lower end of the sleeve and the bulb base spreads the springs 9, 10 apart. After turning the sleeve into the position Fig. S, the springs 9, 10 snap into the notches J ^b , 8 ⁶ so that the sleeve is held in the bearing 6.

Such a pocket lantern consists only of the element and the in a thin, very light rotating sleeve inserted incandescent lamp, with the sleeve at the same time forms a rotary switch. So the lamp can be turned on and off easily and is secured against falling out.

The element set up in this way for receiving the rotating sleeve ι can be easily Equip with a safety lock which guarantees that the Item is unused. As Fig. 7 shows, the inside of the the bearing 6 of the rotary sleeve forming the end plate an easily tearable, expedient clear skin 34, e.g. B. made of celluloid or paper, glued in, the opening 6 °, through which the poles of the element alone are accessible, completely closed. ■

According to Figs. 8 and 9, the sleeve 1 is provided with a single circumferential groove 17, which at two diametrically opposite points the incisions y ^a , 8 ^a, which are passed through the full wall thickness, and the two incisions y ^{b shifted by 90 °} in the same cross-section and 8 has ⁶ which do not break through the wall thickness. In this embodiment, the sleeve has only two different positions, and since the incisions form a groove running around the entire circumference, the sleeve cannot be turned into a position in which it would be released by the snap springs 9, 10. Special measures must therefore be taken in order to release the connection between the sleeve and the springs 9, 10. For an element that consists of a single cell

ao is, this can be done according to Fig. 10 in that in the protective cover 16 the loose inserted element 15 is longitudinally displaceable, so that, as shown in Fig. 10, the springs 9, 10 can be pushed so far out of the opening of the end wall 6, that the sleeve 1 by sliding sideways (in the direction of arrow 17 of Fig. 2) can be removed from the springs 9, 10.

After inserting the rotary sleeve 1 between the springs 9,. 10, the element 15 is pushed so far into the shell 16 that the sleeve ι abuts against the end wall 6 ^{with its extension 13 0.}

In the case of elements or batteries consisting of several cells, i.e. their frontal area has a larger dimension at least in one direction, the two Combine springs 9, 10 to form a loop.

If such a resilient loop is compressed in the direction of its longitudinal axis, so the two branches of the loop move away from each other in the direction of the shorter axis, thereby giving the rotating sleeve engaged with this spring is free.

The loop-shaped spring 9, 10 is inserted between two parallel insulating plates 18, 19 (Fig. 11 and 12), which in the extended part of the protective cover 16 of the z. B. three-cell battery 15 are used. The spring 9, 10 is in conductive connection with one pole of the battery and the ground contact 5 with the other pole of the battery. A round central opening of the end plate 19 forms the bearing 6 for the rotary sleeve 1. In the groove 7 ^a , J ^b , 8 ^a , 8 ⁶ (Fig. 4) of the sleeve 1, the middle parts 9 °, io ^{a of} the two branches 9, 10 of the snap spring. While one end of the spring loop 9, 10 is fixed in the plate 18, the other end 21 of the loop protrudes through the sheath 16 so that when it is pressed in the direction of the arrow 22, the parts 9 ⁰ , io ^{a of} the spring away from each other and release the rotating sleeve 1.

Claims (6)

Patent claims: 1. Dry battery or element for flashlights, characterized in that that a pole contact is designed in the form of snap springs which have parallel, mutually resilient parts, which engage in the lamp socket designed as a rotary switch and wear it. ' 2. Drying element according to claim 1, characterized in that the snap springs consist of parallel brackets attached to the zinc electrode. 3. Dry battery according to claim 1, characterized in that the with the Snap spring connected to one pole and located between two parallel face plates consists of an elliptical, resilient loop, one end of which is stuck in one of the two end plates and with the other one protrudes through an opening in the protective cover. 4. Drying element according to claim 1 and 2, characterized in that the Protective cover of the element protrudes over the pole contacts and has an end wall, = 95 which has an opening is closed. 5. Dry element according to claim 4, characterized in that the element is stored so loosely in the protective cover that the spring clip by displacement of the element through the opening of the Front wall can be passed through. 6. Dry element according to claim 1, 2, 4 and 5, characterized in that the opening in the end wall of the element protective cover is closed by an affixed skin. 1 sheet of drawings.