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US 10,595,629 B2Granted
Height-adjustable table leg
OwnerWen-Shan Koinventor
Life of this patent
Estimating the term…
Abstract
A table leg includes a fixed outer tube, a movable inner tube vertically movable in the fixed outer tube and having two pairs of parallel walls, and a plurality of rotating members rotatably mounted to one pair of the parallel walls of the movable inner tube and partially protruding out from an outer surface of the movable inner tube and stopped against an inner surface of the fixed outer tube, such that the rotating members are rotatable when the movable inner tube is moved relative to the fixed outer tube.
Claims9
A table leg comprising:
- a fixed outer tube;
- a movable inner tube movably inserted in the fixed outer tube and having a square cross section with two pairs of parallel walls;
- and
- a plurality of rotating members rotatably mounted to one pair of the parallel walls of the movable inner tube and partially protruding out from an outer surface of the movable inner tube and stopped against an inner surface of the fixed outer tube, such that the rotating members are rotatable when the movable inner tube is moved relative to the fixed outer tube,
- wherein each of the rotating members has a rotary shaft and two wheels disposed at two opposite ends of the rotary shaft.
2 more elements
A table leg comprising,
- a fixed outer tube;
- a movable inner tube movably inserted in the fixed outer tube and having a square cross section with two pairs of parallel walls;
- and
- a plurality of rotating members rotatably mounted to one pair of the parallel walls of the movable inner tube and partially protruding out from an outer surface of the movable inner tube and stopped against an inner surface of the fixed outer tube, such that the rotating members are rotatable when the movable inner tube is moved relative to the fixed outer tube,
- wherein each of the rotating members is received in an accommodating groove of each of the parallel walls and stopped against an outer surface of a bushing disposed in the movable inner tube;
- each of the accommodating grooves has a same shape as one of the rotating members.
3 more elements
Dependencies are inferred from the claim text.