Tilt-swivel mechanism chair
OwnerChen Raizmaninventor
Life of this patent
Estimating the term…
Abstract
A tilt-swivel chair employing a bearing base assembly in communication with connection plate or seat plate of the chair is provided. The tilting mechanism in forward and backward direction is provided by the spring which has a pushing and pulling action and the swiveling action is done along the side axis of the bearing base assembly, and the side axis is a cylindrical shape section with a bushing cap onto which a lever base is equipped and is connected to the connection plate or seat plate. The balance ball feeling is provided with the spring action. A cam and lever mechanism is provided at the base of the side axis in corporation with the base section of the assembly. The cam and lever mechanism provides a smooth swiveling action to the seat and to lock and shut down and take a break.
Claims23
A swivel-tilt apparatus comprising:
- a bearing base assembly;
- and
- a spring assembly disposed at a proximal end of the bearing base assembly;
- wherein the bearing base assembly further comprises:
- a cylinder having a bushing cap disposed at a distal end of the bearing base assembly along a center line of the apparatus;
- a bearing in the form of a bushing rotatably connected to the cylinder, a lever having a ring-shaped section connected to a lower side of the bearing assembly, and a lever base connected at the proximal end of the bearing base assembly to enable a swiveling action;
- and
- wherein a lower portion of the lever base is rotatably attached to the proximal end of the bearing base assembly;
- and a top portion of the lever base is attached to a base plate of the swivel-tilt apparatus.
A bearing assembly for a balance ball feeling comprising:
- a spring to tilt an apparatus having the bearing assembly;
- a cam and lever mechanism for providing a smooth swiveling action;
- a ring-shaped section connected to a lower side of the bearing assembly;
- and
- wherein the ring-shaped section, and the cam and lever mechanism provide a balancing ball action through a tilting action.
Dependencies are inferred from the claim text.