Framework for wheelchair, has front wheels and rear wheels, which are mounted on framework in rotating manner, and seat unit mounted on framework, where framework has two shearing elements for vertical adjustment

摘要

The framework (1) has front wheels (3) and rear wheels (2), which are mounted on the framework in a rotating manner, and a seat unit mounted on the framework. The framework has two shearing elements for vertical adjustment, which are connected with each other. The lower area of the front shearing element (5) is mounted in a curved sliding guide (8) of the framework.