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108 As detailed in FIGS. 7 through 10, the seat carriage 22 slides up and down on vertical tracks 26.
107 While the base frame 24 is not limited to any particular geometry, the base frame 24 is generally rectangular or ¡°U¡± shaped, having either a closed or open front and a closed rear.
106 The base frame 24 provides a mounting platform for the ground-engaging front wheels 30, ground-engaging rear wheels 32, and for the various members supporting the seat carriage 22, vertical tracks 26 and main wheels 28.
105 The present invention relates to wheelchairs, and more particularly to a wheelchair which, in addition to functioning as a standard wheelchair, further assists the user to come to a standing position, and stabilizes the user while standing and walking.
104 In some embodiments, the semicircular sections may include various friction enhancing structures that contact the wheel about which the wheel cover is to be disposed so as to reduce or eliminate slippage between the wheel cover and the wheel.
103 Finally, in one alternative embodiment, wheel cover 200 comprises two semi-rigid, semicircular sections configured to be removably attached to each other, such as by way of a hook-and-loop fastener.
102 Generally, seams 206A facilitate, among other things, improved traction for wheels 108 (not shown) as the wheels 108 move along smooth surfaces such as vinyl flooring or wood floors.
101 In yet other embodiments, barrier 212 may be integral with cover portion 202.
100 In various alternative embodiments, barrier 212 comprises discrete layer of waterproof material sewn, bonded, glued, or otherwise attached, to inner surface 204 of cover portion 202.
99 Such fabric wheel covers 200 are advantageous because, for example, they can be manufactured relatively inexpensively.

[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] ´ÙÀ½10ÆäÀÌÁö

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