Wheelchair seat assembly

摘要

A seat assembly for a conveyance, such as a wheelchair, that allows the user to set the recline angle of the seat back at a seating position, fold the seat back down to a folded position and back up to the seating position, such that the seat back is returned to the seating position at the user selected recline angle R unless the recline angle is adjusted by the user. The user selected recline angle R is not disturbed by folding the seat back from the seating position, to the folded position 106, and back to the seating position.

主权项

1. A wheelchair seat assembly comprising:
a seat back support for supporting a seat back; a seat bottom support for supporting a seat bottom; a seat back recline mechanism; a seat back folding mechanism; wherein the seat back recline mechanism and the seat back folding mechanism couple the seat back support to the seat bottom support; wherein the seat back recline mechanism facilitates pivoting of the seat back support about a first axis with respect to the seat bottom support to allow adjustment and setting of the recline angle; wherein the seat folding mechanism facilitates pivoting of the seat back support about a second axis with respect to the seat bottom support to allow folding of the seat back toward the seat bottom; wherein the seat back folding mechanism comprises a lockable pivotable connection between the seat back support and the recline mechanism; and wherein the lockable pivotable connection is unlocked by lifting the seat back support with respect to the seat bottom support.