| 摘要 |
<p>The wheel-chair according to the invention comprises a frame (60) carrying a support for the user, particularly a seat, a push-chair pod or handles to facilitate walking. The frame comprises two parts (61, 62) connected by a transverse axis hinge (63). The first part (61) of the frame is provided with two main wheels (66) of which the common axis (67) is located at the vicinity of the action line (p) of the user's weight, and at least a front or rear support wheel (68). The second part (62) of the frame bears on the ground by means of at least one support wheel (69) at the other extremity of the seat. The wheels may be arranged in a lozenge configuration, the bearing wheels (68, 69) being freely orientable. Preferably, a spring member (72) connects the two parts of the frame to accumulate and restore the energy when clearing obstacles. In the case of a wheel-chair, the main wheels (66) are driven manually or by means of separate motors. Such apparatus is characterized by its maneuverability and its obstacle clearing capacity.</p> |
