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US 6,315,306 B1Granted
Nestable wheelchair
AssigneeCSIA Research Foundation
InventorsGeoffrey Roy Fernie, Philip Joseph Wilcox, Proctor Weeks May
Life of this patent
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AssigneeCSIA Research Foundation
InventorsGeoffrey Roy Fernie, Philip Joseph Wilcox, Proctor Weeks May
Estimating the term…
A nestable wheelchair of the type in which a seat portion of one chair can be slid underneath the seat portion of a next adjacent chair, for nesting, and having side frames supporting the seat, the side frames being further apart at the rear and closer together at the front of the chair, and, a rear support frame extending upwardly and downwardly behind the side frame, the rear support frame having a handle at the upper end for pushing the chair, lower bracing frames extending from forward extensions of the side frames to the rear support frame, with their forward width spacing being less than their rearward width spacing, forward wheels mounted on the forward ends of said lower bracing frames, and rearward wheels mounted on rearward portions of the lower bracing frames, longitudinal bars extending parallel to the lower bracing frames at a predetermined height, permitting forward portions of a rearward chair to be inserted beneath the bar of a nest adjacent forward chair, and providing a lifting action so as to lift the rear wheels of the forward chair off the floor surface.
A nestable wheelchair adapted for nesting in a second such nestable wheelchair, said nestable wheelchair comprising:
A nestable wheelchair movable along the ground and having a front and a rear, said nestable wheelchair adapted to nest with a second such wheelchair by receiving the front of said second such wheelchair in the rear of said nestable wheelchair, said nestable wheelchair comprising:
A nestable wheelchair movable along the ground and having a front and a rear, said nestable wheelchair adapted to nest with a second such wheelchair by receiving the front of said second such wheelchair in the rear of said nestable wheelchair, said nestable wheelchair comprising:
A nestable wheelchair movable along the ground and having a front and a rear, said nestable wheelchair adapted to nest with a second such wheelchair by receiving the front of said second such wheelchair in the rear of said nestable wheelchair, said nestable wheelchair comprising:
A nestable wheelchair movable along the ground and having a front and a rear, said nestable wheelchair adapted to nest with a second such wheelchair by receiving the front of said second such wheelchair in the rear of said nestable wheelchair, said nestable wheelchair comprising:
A nestable wheelchair movable along the ground and having a front and a rear, said nestable wheelchair adapted to nest with a second such wheelchair by receiving the front of said second such wheelchair in the rear of said nestable wheelchair, said nestable wheelchair comprising:
Dependencies are inferred from the claim text.