DE907258C - Tubular socket wrench for the assembly of car springs - Google Patents

Description

Tubular socket wrench for assembling car wheels Almost all Motorists have had the unpleasant experience that when changing tires, mainly At night on the country road, some wheel nuts are often lost. Now there aren't any Reserve nuts are available, the driver often has to cover longer distances with only two or drive three nuts. It is well known that a wheel that is not evenly tightened tends to Flutter, and this can very easily lead to major calamity.

Furthermore, it is found to be extremely annoying and uncomfortable by the motorists felt that with ordinary socket wrenches each nut individually in the hand taken «must be grounded. If these fall to the ground and possibly roll under the jacked up Car, the driver not only stains his hands but also his clothes. Since most drivers only have one socket wrench, it is necessary to have the same works technically flawlessly. The invented key meets all requirements on durability and safe working, so that the driver as a result of deficiencies in the Key can never get into trouble.

The most important advantages in the key of the present invention are as follows: The pipe from which the key is made, whether hexagonal or round at the end, where the key is placed on the nut, it is tapered appropriately and, where the nuts are stored, kept on.

The purpose of this is to prevent the nuts from being damaged frequently are, have free run.

The leaf springs, which with their hump the nuts at the '' low outlet can only be kept very narrow and thin due to the limited space will. Since they have to be very hard due to their small dimensions, is it It is essential that they are protected against impact and damage.

This is achieved in that the leaf springs through the reinforcement sleeve, under which they are stored.

In addition, the springs break very easily with the fastening screws, because the feathers are very weakened as a result of the perforation.

This disadvantage has been remedied by the fact that the tongues through the grooves in the reinforcement sleeve to be pressed firmly against the pipe and further forward place on a slowly increasing curve so that an even distribution of the Pressure on the spring is guaranteed.

Thin-walled pipes as socket wrenches are not suitable for high pressure, because they tear very easily. This is remedied by the fact that the reinforcement sleeves, which are drawn up warm, withstand even the greatest pressure, To keep you straight To ensure the position of the nuts when placing them on the wheel studs, two are exact opposing nose-like humps which pass through slots in the interior of the tube grab, appropriate.

The lever arm with a short joint ensures a comfortable Handling of the key and enables a very high pressure to be exerted. When folded, the key takes up very little space. one, and the short lever arm is used as a crank handle.

In the drawing, the key is shown in four figures. The key consists of an angular or round tube, which is at the front end is tapered according to the respective mother. At both ends of the tube are Reinforcement sleeves 2 attached.

On the front side are located opposite each other in the tube two slots 3. Through these two small buckles 14 on the leaf springs 5 are over the inner wall of the socket wrench led inwards. These humps have that The purpose of this is to prevent the wheel nuts from escaping again when the wheel nuts are removed.

In the tube there is still a light compression spring 6. You causes the wheel nuts, of which six to eight, depending on the length of the socket wrench can be picked up, be pushed forward so that when putting back on one nut is pushed so far towards the front opening of the wrench, that it can be placed on the wheel bolt. When tightened, the Nut out of the socket wrench, and another nut is then pushed forward.

This has the effect that the driver does not use the nuts at all needs to touch, as the removed nuts are stored in the key and pulled out individually from the key when putting it back on the wheel bolt will.

The retaining devices consisting of the two at the front Bosses attached to the opening have such a spring force on pressure that the Nuts are never lost and only by replacing them with the socket wrench can be removed.

Thanks to the reinforcement sleeves on both ends of the key it receives such strength that even very tightly tightened nuts are loosened can be.

The lever is kept so long that a lot of pressure is exerted on it can be. The same is movably attached in the key. This can it can be pulled through to match the required pressure, and it becomes the small one Lever arm, which is movably attached to the large lever arm with a joint is used as a crank. The arrangement of the small lever arm makes it possible to to fold the key so that it takes up very little space when packing.

Claims (1)

PATENT CLAIMS: i. Tubular socket wrench for the assembly of Car wheels, characterized in that the angular or round tube (i) on the front The end is tapered according to the respective nuts. a. Socket wrench for the assembly of automobile wheels according to claim i, characterized in that the key is provided with reinforcing sleeves (2) at both ends. 3. Socket wrench for the Assembly of automobile wheels according to claims i and 2, characterized in that a long lever arm movably mounted in the key and with a short lever arm connected by a hinge. Reference documents: French patent specification No. 484 557.