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US 6,189,843 B1Granted
Linear motion table leg
OwnerJoel W. Pfisterinventor
Life of this patent
Estimating the term…
Abstract
Linear motion table leg hereby a linear motion assembly is located between a base and a table top mounting plate. Arrays of rollers, some of which are spring loaded, are spaced at 120° and disposed between a configured inner tube and an outer tube to provide for rollerable interfacing between the configured inner tube and the outer tube. A gas spring is centrally located to provide for linear positioning and for locking of the configured inner tube with respect to the outer tube.
Claims1
A linear motion system for a table leg comprising:
- a. an outer tube;
- b. a configured inner tube including three tracks, each track having an inner radius at equal intervals about a circumference of said configured inner tube;
- c. two race cage means with a plurality of solid rollers;
- and,
- d. one race cage means with a plurality of spring loaded rollers, whereby said race cage means align with respect to each other between said outer tube and said configured inner tube.
2 more elements
Dependencies are inferred from the claim text.