Patent US5482424A successfully refreshed from Google Patents.
US5482424A
Expired / Lapsed
US
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Car rack for wheelchairs and the like
Assignee: Mobility Plus Inc
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Filing: 1995-01-30
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Granted: 1996-01-09
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Expires: 2015-01-30
Abstract
Abstract A rack is disclosed for mounting on the rear of a car for carrying a wheelchair. The wheelchair has a seat supporting framework that includes two parallel horizontal frame members close to the ground. The rack includes a pair of chair support members for engaging the two horizontal frame members with the chair on the ground and powered lift members for raising the chair to a traveling position above the ground and for lowering the chair downwardly to the ground for removing the chair from the rack thereby eliminating any need for anyone to lift the chair.
Inventors
- 👤 David L. Jones
- 👤 George L. Drenner, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:29
CPC Classifications
B; B60; B60R; B60R9/00; B60R9/06; A; A61; A61G; A61G3/00; A61G3/02; A61G3/0209; B60P; B60P3/00; B60P3/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
A rack for mounting on the rear of a car for carrying a wheelchair, said wheelchair having a seat supporting framework that includes two parallel horizontal frame members close to the ground, said rack comprising a pair of chair support members including two spaced-apart channels that extend horizontally for engaging the two horizontal frame members close to the ground along the respective longitudinal axes of the frame members to support the chair on the rack, an L-shaped lift member having a horizontal arm upon which the support members are mounted and a vertical arm, and means for moving the L-shaped lift member upwardly to raise the chair to a traveling position above the ground and to lower the chair downwardly to a position adjacent the ground for removing the chair from the rack.
Claim 2
Dependent Claim
133 words
A rack for mounting on the rear of a car for carrying a wheelchair, said wheelchair having a seat supporting framework that includes two parallel horizontal frame members close to the ground, said rack comprising a pair of chair support members including two spaced-apart channels that extend horizontally for engaging the two horizontal frame members close to the ground along the respective longitudinal axes of the frame members to support the chair on the rack, an L-shaped lift member having a horizontal arm upon which the support members are mounted and a vertical arm, and means for moving the L-shaped lift member upwardly to raise the chair to a traveling position above the ground and to lower the chair downwardly to a position adjacent the ground for removing the chair from the rack.
Claim 3
Dependent Claim
68 words
The rack of claim 1 in which the vertical arm of the L-shaped member is hollow and the means for moving the L-shaped support member vertically is a threaded nut mounted in the hollow vertical arm, a vertical lead screw engaging the nut and means for rotating the lead screw in one direction to raise the L-shaped member and in the other direction to lower the L-shaped member.
Claim 4
Dependent Claim
146 words
The rack of claims 1, or 2 further including clamps having fingers mounted on two shafts that extend parallel to the support members, a gear box mounted on the support members for supporting the shafts, a gear train in the gear box, the outer gears of which are mounted on the shafts to rotate the shaft as the gears rotate, a handle for rotating one of the gears to rotate the outer gears whereby the fingers will be rotated between a position extending upwardly to allow the frame members of the wheelchair to move into and out of engagement with the support members and a position with the fingers extending across the frame members to hold the frame members on the support members, and means for locking the handle against movement when the fingers are in position to hold the frame members on the support members.
Claim 5
Dependent Claim
20 words
The rack of claim 1 further provided with clamps for holding the horizontal frame members on the chair support members.
Claim 6
Dependent Claim
17 words
The rack of claim 1 in which the horizontal arm of the L-shaped lift member is U-shaped.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-01-08 | 1999-07-10 | 2000-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-01-08 | 2003-07-10 | 2004-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-01-08 | 2007-07-10 | 2008-01-09 | $7700.00 | Window Closed / Lapsed |