Wheelchair hold down assembly
Patent 3955847 Issued on May 11, 1976. Estimated Expiration Date: 
May 11, 1993. 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.
May 11, 1993. 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 ReferencesInventorAssigneeApplicationNo. 546545 filed on 02/03/1975US Classes:296/65.04, Wheelchair105/159, Vehicle carrying211/5, Velocipede type211/7, Horizontal rod type224/42.4, Holddown248/505, Looping or straddling280/250.1, Wheelchair type296/19, Ambulances410/19, For wheel, hub, or axle shaft410/23, Tiedown*410/30, Wheel cradle, chock, or well410/4, Four-wheeled vehicle accommodationD12/133Element or attachmentExaminersPrimary: Makay, Albert J.Assistant: Beltran, Howard Attorney, Agent or FirmAbstractA person seated in a wheelchair or other wheeled patient carrier is enabled to board a vehicle while remaining in the carrier. A hold down device secured to the vehicle floor restrains the carrier against movement regardless of acceleration or emergency braking of the vehicle, and a belt arrangement can be provided to secure the passenger in the wheeled carrier. | |
