Abstract: To assist disabled persons that cannot get from the floor into a wheelchair without assistance or other lift devices, the wheelchair is provided with a translatable carriage on which the wheelchair seat is mounted. A DC motor is arranged to drive a lead screw that engages a travelling nut secured to the carriage to lower the seat to floor level where a paraplegic can leave and re-enter upon the wheelchair seat. Accessible controls allow the occupant to be able to operate the motor from the seat when at floor level so as to be raised to a normal chair seating height.

Abstract: A container and lid assembly including a container having a cylindrical side wall and top rim, and a lid having an inverted U-shaped rim and depending skirt portion which is snapped over the rim of the container wall to form a sealing closure therewith. An annular ridge projects inwardly from the inner surface of the skirt portion so as to ride over and engage under the upper bead of the container wall, thereby creating single point interference fits between the container and lid. The outer edge of a first shoulder engages a score line on the inner surface of the skirt portion defining a bi-directional tear strip. The distal end of the tear strip closely confronts a second shoulder when the container is originally sealed. The inside wall of the lid prevents the container from being deformed or collapsing when opened.