Office chair base without castors

Details Office chair base without castors Office chair base without castors

A - Human Necessities

47

C

A47C 3/00 (2006.01) A47B 91/00 (2006.01)

Patent

CA 2186291

All office chairs have to ensure fast and smooth horizontal movement in all directions. This problem has so far been resolved with the use of castors as part of the architecture of the chair base. In this invention the castors are eliminated and replaced by a freely rotating, centrally located ball and supporting legs with rotating tips. This is an entirely new approach to resolving the problem and a new aesthetic concept. This invention also secures independent rotation of the top and bottom parts of the chair base.

Toutes les chaises de bureaux doivent assurer un mouvement horizontal rapide, en douceur, dans toutes les directions. Ce problème a jusqu'à maintenant été résolu par l'utilisation de roulettes intégrées à la base de la chaise. Dans la présente invention, les roulettes ont été éliminées et remplacées par une bille centrale à roulement libre et des pattes de support avec bouts roulants. Il s'agit d'une approche entièrement nouvelle à ce problème et d'un nouveau concept d'esthétique. Cette invention permet également la rotation indépendante des parties inférieure et supérieure de la base de la chaise.

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