TELESCOPIC LEG Russian patent published in 2023 - IPC A47B91/02 

FIELD: furniture.

SUBSTANCE: invention relates to the production of household goods: tables, chairs, armchairs; for use as extendable supports for student tables and chairs, adjustable by the student according to their height. The telescopic leg comprises an outer part and an inner part made of two parts with a gap for a controlled wedge, which is installed and supported so that it is in the gap between the parts that make up the inner part, and when turning, it wedges them, blocking them in the outer part, and the mechanism automatically fixes the position of the inner part relative to the outer part when they are mutually displaced relative to each other during the adjustment process.

EFFECT: ensuring ease of adjustment, safety in operation, reliability of blocking and automation of the process of fixing the telescopic leg in the desired position.

1 cl