| 摘要 |
PCT No. PCT/DE92/00355 Sec. 371 Date Mar. 7, 1994 Sec. 102(e) Date Mar. 7, 1994 PCT Filed May 6, 1992 PCT Pub. No. WO92/19202 PCT Pub. Date Nov. 12, 1992.A wheelchair composed of a frame with a seating surface, a backrest, a plurality of wheels and a lifting device for lifting a user of the wheelchair from a seated position to a standing position. The lifting device includes two spars connected to the frame to have a substantially vertical orientation when in use and a mechanism for converting a manual force into a lifting force for lifting the user toward the standing position. The mechanism for converting is composed of: a seating band positionable to act on the user's body; at lease two deflection rollers on each spar; and at least one lifting cable linked to the seating band and passing around the deflection rollers in order to guide the seating band in a manner to cause the lifting force to be directed forwardly and upwardly. The lifting device is operative for placing the user in the standing position and for supporting the upper part of the user's body when he user is in the standing position, and the lifting device additionally includes a securing member for securing the mechanism for converting in place when the user has been placed in the standing position by the lifting device.
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