On the issue of patent infringement, I connected two mechanical components protected by others' patents.

depending on whether the method of connecting wheels is also within the protection scope of the patent, there may be the following situations:

1. If the patent only protects the structure of the wheel itself, but not the connection method between wheels, then your behavior is not infringing;

2. If the patent not only protects the structure of the wheel itself, but also protects the connection method between the wheels, and your connection method is consistent with that mentioned in the patent, then it is infringing;

3. If the patent protects the system, and the specially constructed wheel and the connection method between the two wheels are all part of the technical features, then you may constitute indirect infringement. Whether you bear the tort liability depends on whether you have subjective intention.