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US 2009/0267310 A1Published application
Wheelchair lift assist device
OwnerDavid L. PARKHURST, SR.inventor
Life of this patent
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Abstract
This invention relates to a wheelchair lift extension device comprising an extension, a bar, which connects to the bottom frame of a wheelchair and when pressure is applied to the opposite end of the bar, it assists in raising the wheelchair over thresholds and curbs. The extension bar includes a first horizontal section, a vertical section having a first end attached to the first horizontal section and a second end extending downwardly from the first horizontal section. A second horizontal section is attached to the second end of the vertical section.
Claims18
A lift assist device for use with a wheelchair comprising:
- an extension bar, said extension bar including a first horizontal section, a vertical section having a first end attached to said first horizontal section and a second end extending downwardly from said first horizontal section, and a second horizontal section, said second horizontal section having a first end attached to said second end of said vertical section and a second end of said second horizontal section extending away from said first horizontal section;
- and
- coupling means adapted for coupling said first horizontal section to a rear of a frame of a wheelchair,
- wherein said second end of said second horizontal section of said extension bar is adapted during use to be displaced downwardly to cause a front of the frame of the wheelchair to raise upwardly.
1 more element
Dependencies are inferred from the claim text.