| 主权项 |
1. A joint with adjustable angular range for a knee brace or other orthopedic braces with two uprights or rods having respective shaped ends, which can be fitted as auxiliary supports for the joints of a human body, selectively a knee, an ankle, or an elbow, the two uprights or rods being a lower upright or rod and an upper upright or rod and having between them, the pivot comprising two plates, namely an outer plate and an inner plate, connected to each other at four locations which represent four joint points of an articulated four-sided figure between the lower upright or rod and the upper upright or rod, further comprising wedges to be inserted between said outer and inner plates and said two uprights or rods, said wedges having different shapes according to a given angular range to be obtained, a spring fixed to said outer plate and wherein said wedges are provided with at least one groove and a lowered area which accommodates a tooth or teeth of respective tabs located at two ends of the spring, said spring being positioned at the level of a central insert, wherein said wedges, said spring, and said central insert co-operate with the shaped end of said uprights or rods to delimit the angular range of motion of the joint. |
