Abstract: A wheelchair including three component parts: a propulsion means, a support means provided with means for receiving the legs of a chair, and a chair. The propulsion means is removably engaged with the support means by sliding the propulsion means into the support means. The propulsion means includes a ratchet and sprocket means. The occupant propels the wheelchair forward and backward by moving a handle attached to the ratchet in a rowing type motion. A chair is then engaged with the support means by inserting the chair legs into the means for receiving the chair legs on the support. The means located on the support for receiving chair legs can be varied to accommodate a variety of chair types. The chair is optionally provided with a central opening for facilitating toilet use.

Abstract: A wheelchair including three component parts: a propulsion means, a support means provided with means for receiving the legs of a chair, and a chair. The propulsion means is removably engaged with the support means by sliding the propulsion means into the support means. The propulsion means includes a ratchet and sprocket means. The occupant propels the wheelchair forward and backward by moving a handle attached to the ratchet in a rowing type motion. A chair is then engaged with the support means by inserting the chair legs into the means for receiving the chair legs on the support. The means located on the support for receiving chair legs can be varied to accommodate a variety of chair types.

Abstract: A portable shelter for use in connection with a foldable cot of the type having a tubular frame forming a center and end sections supportable on collapsible legs. Braces are pivotally attached to the frame and when upright, support an enclosure. The enclosure is a fabric material having pockets engageable about opposite ends of the frame. The entire unit can be folded with the frame sections in parallel relationship and the collapsed enclosure attached and carried as a backpack by a detachable harness. The shelter may be provided as a complete unit or the enclosure may be attached to an existing, conventional cot without the requirement of special drilling and fitting.