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US 7,731,295 B2Granted
Chair having adjustable weight proportion accepting elements
OwnerPeter Lininventor
Life of this patent
Estimating the term…
Abstract
A seat includes a tray, a net mounted on the tray and a supporting device provided between the tray and the net. Thus, when a user sits on the seat, the net takes a proportion of the user's weight while the supporting device takes another proportion of the user's weight.
Claims16
A seat comprising:
- a tray,
- a net mounted on the tray;
- and
- a supporting device provided between the tray and the net so that when a user sits on the seat, the net takes a proportion of the user's weight while the supporting device takes another proportion of the user's weight, wherein the supporting device comprises a plate with a portion connected to the tray and another portion for contact with the net when the user sits on the seat;
- and
- an adjusting element for adjusting the height of the plate on the tray, wherein the adjusting element comprises an axle rotationally mounted on the tray, a cam and a positioning element connected to the axle and located beneath the plate, and a block mounted in the interior of the tray and interacted with the positioning element for retaining the adjusting element in a desired one of several positions.
3 more elements
Dependencies are inferred from the claim text.