Adjustable leg for furniture
AssigneeResero IP Limited
InventorsPeter Leslie James McMillan, Kenneth William Payne
Life of this patent
Estimating the term…
Abstract
The present invention provides an inexpensive adjustable leg for furniture that can be used to alter the height of items of furniture, such as tables and desks used in education facilities, to accommodate persons of a wide range of height and ages. The adjustable leg comprises an outer sleeve within which an inner leg is slidably disposed. A protrusion provided to the interior of the outer sleeve interacts with a groove and recesses, corresponding to desired height settings, configured in the inner leg. A biasing member provided to the adjustable leg acts against a surface of the inner leg while mounted to the outer sleeve, urging the inner leg against the protrusion and facilitating easy engagement with the recesses.
Claims18
An adjustable leg for an article of furniture, said adjustable leg comprising:
- an outer tubular sleeve having an inwardly projecting protrusion;
- an inner leg having an inner leg longitudinal axis, wherein said inner leg is dimensioned to be able to be telescopically received within said sleeve, be slidable along said sleeve, and be rotatable through an arc about said inner leg longitudinal axis, and said inner leg has a single, substantially straight groove which is longitudinally aligned with, and extends along, said leg and faces said protrusion, with said protrusion being engaged with said groove, said groove having a plurality of spaced apart recesses located to and leading from one side of said groove, whereby rotating said inner leg in one direction locates said protrusion in a recess to thereby set the position of said inner leg relative to said sleeve, and rotating said inner leg in the opposite direction aligns said protrusion with said groove, thereby permitting said inner leg to be slid along said sleeve with said protrusion engaged and sliding along said groove, and wherein said inner leg includes a biasing surface;
- wherein the inner leg is formed as a hollow tubular member having a circular external cross-sectional profile and the biasing surface is provided to the interior of the inner leg;
- a biasing member, wherein the biasing member has a first end connected to the outer tubular sleeve and a second end which contacts and applies a rotational force to the biasing surface of the inner leg.
Dependencies are inferred from the claim text.