WHEELCHAIR MODULAR REAR SUSPENSION
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United States of America Patent
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N/A
Issued Date -
Jan 19, 2012
app pub date -
Jul 19, 2010
filing date -
Jul 19, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A modular rear suspension system resiliently supports a wheelchair. The system includes a suspension mount having an upper shackle and a link arm mount. The link arm mount of the suspension mount has an upper pivot and a lower pivot. An axle tube is configured to rotatably support a pair of rear wheels, and an axle tube clamp engages an end of the axle tube. The axle tube clamp has a pivot and a lower shackle. The axle tube includes a link arm tube mount having a pivot. An upper link arm is supported for pivoting movement between the link arm mount upper pivot and the link arm tube mount pivot. A lower link arm is supported for pivoting movement between the link arm mount lower pivot and the axle tube clamp pivot. A resilient member is pivotally connected between the upper and lower shackles.
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