BACKREST ANGLE ADJUSTMENT SYSTEM ON A SEAT FOR A PHYSICALLY DISABLED PERSON

摘要

The invention relates to a seat, backrest, lateral support bracket, and footrest that are able to be adapted to suit the needs of a physically disabled user. In general, the seat comprises a base frame, a seat base that is supported by the base frame, and a backrest. The backrest may be adapted to tilt with respect to the seat base and comprises a backrest angle adjustment system including a vertically extending angle adjustment slot located centrally on the backrest support and a pair of links pivotally attached to the seat frame and the angle adjuster wherein the angle adjuster comprises a lock with a projection through the angle adjustment slot and a fastener that engages with the projection.

主权项

1. A seat comprising:
a base frame; a seat base that is supported by the base frame; a backrest that is pivotally attached to the base frame at the rear of the seat base to allow the backrest to tilt forward and backward; and a backrest angle adjustment system comprising a backrest support and a vertically extending angle adjustment slot located centrally on the backrest support and further comprising an angle adjuster, which is located on a rear surface of the backrest and is adapted to slide along the angle adjustment slot, and a pair of links, each link being pivotally attached to the seat frame and to the angle adjuster; wherein the angle adjuster comprises a lock with a projection that projects through the angle adjustment slot of the backrest and is adapted to slide along the angle adjustment slot, and wherein the lock also comprises a fastener that engages with the projection to secure the position of the projection within the angle adjustment slot of the backrest.