Portable wheel chair ramp and restraining device
Patent 5259081 Issued on November 9, 1993. Estimated Expiration Date: 
February 19, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
February 19, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3352440 3642156 3713553 3874527 Wheelchair hold down assembly Wheelchair lock Vehicle wheelchair ramp Adjustable wheelchair holding device Wheelchair lock for reducing wheel spoke interference Wheel chair restraint system InventorApplicationNo. 657466 filed on 02/19/1991US Classes:14/71.1, Attached70/226, Rotation blocking296/61, Combined loading chute296/65.04, Wheelchair410/3, Wheeled vehicle410/19, For wheel, hub, or axle shaft410/22, Hub or axle shaft retainer*414/537, Skidway414/921HANDICAPPED PERSON HANDLINGExaminersPrimary: Dang, Hoang C.Attorney, Agent or FirmInternational ClassesE01D 015/04B60P 007/08 AbstractA wheel chair ramp and restraining device 10 for positioning a wheel chair 64 in a vehicle 12 is provided. The wheel chair ramp and restraining device in accordance with the principles of this invention includes a ramp 20 having first and second platform members 22 and 24 respectively. The first platform member 22 is pivotably coupled to an entrance of the vehicle 12 and the second platform member 24 is pivotably coupled to first platform member. The coupling arrangement allows the first and second platform members 22 and 24 to be folded and stored in an upright position in the vehicle 12 or extended diagonally out of the vehicle to provide a surface for moving the wheel chair 64 into and out of the vehicle. The device also includes a restraining assembly 70 having a mechanism for locking device 86 for engaging each of the wheels 66 of the wheel chair 64 once the wheel chair is moved into the vehicle. This allows the wheel chair 64 to be held in a stationary position in the vehicle 12 thus allowing the persons confined therein to be transported safely.Field of SearchAttachedGANGWAY, RAMP, OR DOCK LEVELER Skidway HANDICAPPED PERSON HANDLING Combined loading chute Combined steps Combined types For seat Vehicle-mounted; for vehicle appurtenance Wheeled vehicle Four-wheeled vehicle accommodation For wheel, hub, or axle shaft Wheel cradle, chock, or well Hub or axle shaft retainer* | |
