DE330411C - Shock absorbers - Google Patents

Description

The present invention has the purpose of so springing two bodies together connect so that they shift somewhat against each other in any direction The resistance that occurs is almost the same in each direction.

For explanation, FIGS. Τ and 2 show a rod S which is connected to a hollow cylinder H by vulcanized rubber G.

ίο If the cylinder H remains immobile, the rod S can be moved in the direction of its axis against the cylinder H (movement i). You can also move it radially (movement 2) and lower it on one side and raise it on the other (movement 3). If the rod S is firmly connected to a body, every shock that hits the hollow cylinder H , from whichever direction it may come, is transmitted to the body in a damped manner.

When trying to replace the rubber G with a steel spring, it is already known to calculate this spring as a leaf spring and to give it the shape of a spiral F, which

with one end D on the cylinder H ¹ or the stationary part, with the other on the rod 5 or the moving parts. However, this design has several shortcomings. First, the spring F works against the movement

Generation 2, depending on their direction, resistances of different sizes, as can be seen in the three directions indicated by arrows in FIG. 3. Furthermore, the spring F opposes the movement ι a resistance that is too great in relation to the movement 2, and finally, during the movement 3, the resistances vary in size, depending on the direction. Another drawback is that all stresses in a direction other than that indicated by the arrow at D in FIG. 3 have a disadvantageous effect on the fastening of the spring F to the hollow cylinder H ¹ .

All these deficiencies are to be eliminated by the present invention by dividing the spring into several individual springs, by twisting the spring ends against each other and by the way in which one end of the springs is brought into engagement with the hollow cylinder. 4 and 5 show an exemplary embodiment with the spiral spring being broken down into four individual springs F ¹ , the ends of which are offset from one another at right angles. With six feathers they would; Angle should be 6o °. As a result of this arrangement, there is an almost equally large resistance to movement 2 in every direction of displacement. The resistance to movement 1 is reduced. The movement 3 is also advantageously influenced.

The peculiar fastening of each of the spiral springs F ¹ takes place in that the end E ^{touching the hollow cylinder # 2} is lengthened by more than a semicircle and by inwardly projecting edges 22, JS ^{1 of} the hollow cylinder F ² , which prevent any axial displacement of the springs F ¹ prevent. This creates a good connection between the springs F ¹ and the cylinder 2P without the use of

3B0411

Screws or rivets. Broken springs are easy to replace. In order to secure the angular position of the springs, they are allowed to engage with the bent end D ¹ in grooves N of the cylinder H ^z. In order not to obscure the drawing, only one spring F ^{1 is} drawn in FIGS. 4 and 5.

Claims (1)

Patent Claims:
10 i. Shock absorber consisting of a Capsule, inside which a spiral The curved spring carries a rod at the end, characterized in that the spring is divided into η individual springs (F ¹ ) which are offset from one another at angles of - are arranged. z. Shock absorber according to Claim 1, characterized in that the end (E) of the springs (F ¹ ) which touches the hollow cylinder (H ² ) is extended beyond the semicircle and. lateral edges (R, R ¹ ) of the hollow cylinder (H ² ) hold the springs (F ¹ ) together. 3. Shock absorber according to claim 1, characterized in that the springs (P " ¹ ) engage with a projection (D ¹ ) in a groove (N) of the hollow cylinder (H ² ) or vice versa. 1 sheet of drawings.