Patent ID: 7731295
Filing Date: 2010-06-08
Classification: A47C

Abstract:
1. 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.