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    • 6. 发明授权
    • Lightweight wheelchair frame
    • 轻型轮椅架
    • US06425597B1
    • 2002-07-30
    • US09712547
    • 2000-11-14
    • Christopher J. Peterson
    • Christopher J. Peterson
    • B62M114
    • A61G5/1062A61G5/1054A61G5/1075A61G5/1078B60G9/022B60G11/24B60G2200/314B60G2202/14B60G2202/143B60G2204/125B60G2204/4306B60G2206/011B60G2206/0114B60G2206/012B60G2206/60B60G2300/24B60G2300/40
    • A wheelchair suspension system comprises a suspension assembly disposed adjacent to each wheel of the wheelchair, and attached to an interconnecting the axle of the wheels to the wheelchair frame. Each of the suspension assemblies includes a front bracket and a rear bracket, wherein the front bracket is attached to the wheelchair frame and the rear bracket is attached to the axle. Top and bottom generally L-shaped arms each are pivotally attached to each of the brackets in a diametrically opposed fashion, and an elastomeric spring is disposed between and interconnects the arms. When one or more of the wheels encounters a bump in a travel surface of the wheelchair, the arms pivot about the brackets, remain parallel to each other, and move closer together to compress the spring which absorbs a significant amount of shock caused by the bump. Further, the wheelchair has a frame with a pair of frame extensions that are supported by a transversely extending camber bar that journals the axles of thee wheelchair drive wheels. The drive wheels can be variably positioned with respect to the front casters by means of the frame extensions.
    • 轮椅悬挂系统包括悬挂组件,其布置成与轮椅的每个轮相邻,并且连接到将车轮的轴互连到轮椅架上。 每个悬挂组件包括前支架和后支架,其中前支架附接到轮椅架上,后支架附接到车轴。 顶部和底部大致L形的臂各自以直径相对的方式枢转地附接到每个托架,并且弹性体弹簧设置在臂之间并使臂互连。 当一个或多个轮子在轮椅的行进表面中遇到凸起时,臂围绕托架枢转,保持彼此平行,并且移动更靠近在一起以压缩吸收由凸起引起的大量冲击的弹簧 。 此外,轮椅具有框架,该框架具有一对框架延伸部,该框架延伸部由横向延伸的倾斜杆支撑,该横杆延伸轮椅驱动轮的轴。 驱动轮可以通过框架延伸部相对于前脚轮可变地定位。
    • 8. 发明授权
    • Wheelchair suspension system
    • 轮椅悬挂系统
    • US06161856A
    • 2000-12-19
    • US191332
    • 1998-11-13
    • Christopher J. Peterson
    • Christopher J. Peterson
    • A61G5/10B60G9/02B60G11/24B62M1/14
    • A61G5/1062A61G5/1054A61G5/1075A61G5/1078B60G9/022B60G11/24B60G2200/314B60G2202/14B60G2202/143B60G2204/125B60G2204/4306B60G2206/011B60G2206/0114B60G2206/012B60G2206/60B60G2300/24B60G2300/40
    • A wheelchair suspension system comprises a suspension assembly disposed adjacent to each wheel of the wheelchair, and attached to and interconnecting the axle of the wheels to the wheelchair frame. Each of the suspension assemblies includes a front bracket and a rear bracket, wherein the front bracket is attached to the wheelchair frame and the rear bracket is attached to the axle. Top and bottom generally L-shaped arms each are pivotally attached to each of the brackets in a diametrically opposed fashion, and an elastomeric spring is disposed between and interconnects the arms. When one or more of the wheels encounters a bump in a travel surface of the wheelchair, the arms pivot about the brackets, remain parallel to each other, and move closer together to compress the spring which absorbs a significant amount of shock caused by the bump. Conversely, when one or more of the wheels encounters a depression, the arms again pivot about the brackets, remain parallel to each other, but move farther apart to place tension on the spring which again absorbs a significant amount of shock caused by the depression. The pivoting parallel arrangement of arms and brackets enables displacement of the axle in a substantially vertical, relatively large distance when one or more of the wheels encounters an irregularity in the wheelchair travel surface, which in turn maintains stability and steering control of the wheelchair by keeping the wheels in contact with the travel surface.
    • 轮椅悬挂系统包括与轮椅的每个车轮相邻设置的悬挂组件,并且将车轮的轴连接并连接到轮椅架上。 每个悬挂组件包括前支架和后支架,其中前支架附接到轮椅架上,后支架附接到车轴。 顶部和底部大致L形的臂各自以直径相对的方式枢转地附接到每个托架,并且弹性体弹簧设置在臂之间并使臂互连。 当一个或多个轮子在轮椅的行进表面中遇到凸起时,臂围绕托架枢转,保持彼此平行,并且移动更靠近在一起以压缩吸收由凸起引起的大量冲击的弹簧 。 相反,当一个或多个轮子遇到凹陷时,臂再次围绕支架枢转,保持彼此平行,但是移动得更远,以将张力放置在弹簧上,从而再次吸收由凹陷引起的大量冲击。 臂和支架的枢转平行布置使得当一个或多个轮子遇到轮椅行进表面中的不规则性时,轴的位移基本上垂直,相对较大的距离,轮椅行驶表面依次保持轮椅的稳定性和转向控制, 车轮与行驶表面接触。
    • 9. 发明授权
    • Sport wheelchair having a T-frame
    • 运动轮椅有一个T形框架
    • US5573260A
    • 1996-11-12
    • US135745
    • 1993-10-12
    • Christopher J. PetersonMary C. Peterson
    • Christopher J. PetersonMary C. Peterson
    • A61G5/00A61G5/10A61G5/12B62M1/14
    • A61G5/00A61G5/1097A61G5/128
    • A sport wheelchair includes a T-frame that interconnects enlarged rear wheels and a single small diameter caster front wheel. A footrest is adjustably secured to the T-frame and may be adjusted height wise and front to rear as desired by the user. Additionally, handles extend outwardly from opposite sides of the front edge of the seat in selected embodiments of the invention. In some embodiments, a central support member extends upwardly from the seat so that the handles also function for lateral restraint of the user's legs. In still other arrangements, a pair of side supports extend outwardly and downwardly in place of the handles and provide the lateral support as needed.
    • 运动轮椅包括将扩大的后轮和单个小直径脚轮前轮相互连接的T形框架。 搁脚板可调节地固定到T形框架上,并且可以根据使用者的需要从高度和前后调整。 此外,在本发明的选定实施例中,手柄从座椅的前边缘的相对侧向外延伸。 在一些实施例中,中心支撑构件从座部向上延伸,使得把手也用于使用者腿部的横向约束。 在其他布置中,一对侧支撑件可以向外和向下延伸来代替手柄,并根据需要提供横向支撑。