US 12,453,412 B2
Adjustable telescopic leg with locking mechanism
Per Höglund, Jönköping (SE)
Assigned to PER HÖGLUNDS INNOVATION AB, Jönköping (SE)
Appl. No. 18/269,831
Filed by Per Höglunds Innovation AB, Jönköping (SE)
PCT Filed Dec. 22, 2021, PCT No. PCT/SE2021/051309
§ 371(c)(1), (2) Date Jun. 27, 2023,
PCT Pub. No. WO2022/146223, PCT Pub. Date Jul. 7, 2022.
Claims priority of application No. 2051570-6 (SE), filed on Dec. 29, 2020.
Prior Publication US 2024/0057762 A1, Feb. 22, 2024
Int. Cl. A47B 9/04 (2006.01); A47B 9/20 (2006.01)
CPC A47B 9/04 (2013.01) [A47B 9/20 (2013.01); A47B 2200/0054 (2013.01); A47B 2200/0059 (2013.01)] 11 Claims
OG exemplary drawing
 
1. Telescopic column for a height adjustable furniture, comprising:
an outer column,
an intermediate column, located radially inside the outer column,
an inner column, located radially inside the intermediate column,
further comprising a fixating member configured to fixate the height position of the intermediate column at a predetermined height position relative the outer column when said telescopic column is in an upper stroke range,
wherein the inner column is adapted to be driven by a driving unit and comprises a first engaging portion for interacting with the fixating member such that the fixating member is disengaged and enables the inner column to move in tandem with the intermediate column relative the outer column, when the telescopic column is in a lower stroke range, and
wherein said fixating member is resiliently loaded towards a fixating position.