Wheelchair restraint method for a transportation vehicle

• US 6,575,677 B2
• Filed: 04/03/2002
• Issued: 06/10/2003
• Est. Priority Date: 09/29/1997
• Status: Expired due to Term

• Current Assignee: American Seating Company
• Original Assignee: American Seating Company
• Inventors: Craft, Richard D.
• Primary Examiner(s): Gordon, Stephen T.
• Application Number:
  US10/115,464
• Publication Number:
  US 20020114679A1
• Time in Patent Office: 433 Days
• Field of Search: 410/3, 410/4, 410/7, 410/9, 410/10, 410/11, 410/12, 410/18, 410/19, 410/21, 410/22, 410/23, 410/51, 296/65.04, 297/DIG.4, 280/304.1, 248/503.1
• US Class Current: 410/7
• CPC Class Codes: A61G 3/0808 Accommodating or securing wheelchairs

Abstract

A wheelchair restraint system for a mass transportation vehicle having a securement area for a wheelchair is disclosed which includes a barrier carried at a rear portion of the securement area disposed generally transverse to the longitudinal vehicle axis. A rear wheelchair attachment assembly is carried by the rear barrier for anchoring the wheelchair to the barrier. A personal securement belt assembly secures a seated wheelchair occupant to the wheelchair in the securement area. A front bulkhead extends generally transverse to the longitudinal vehicle axis at a front portion of the securement area which includes an extendable anchor member which extends transverse relative to the longitudinal vehicle axis. The anchor member is extendable between a stored position in which the anchor member is stowed within the bulkhead and a deployed position wherein the anchor member is extended from the bulkhead. A front wheel chair attachment assembly includes two attachment belts extending from the wheel chair to a first anchor location on the bulkhead and to a second anchor location on the extendable anchor member when the anchor member is in the deployed position. The first and second front attachment belts diverge outwardly and incline downwardly from the wheelchair toward the respective first and second anchor locations on the bulkhead to effectively anchor the occupant and wheelchair and prevent lateral tipping.

Claims

1. In a mass transit vehicle having a vehicle axis, a floor, sidewalls, a plurality of seats, a wheelchair securement area, and front and rear attachment assemblies for securing a wheelchair in said wheelchair securement area, the method of positioning the front attachment assembly between a stowed position and a deployed position comprising:

providing a stationary member;

providing a first crank belt mechanism and maintaining said crank belt mechanism in a stationary position adjacent said stationary member;

providing a second crank belt mechanism;

providing a slidable anchor and mounting said second crank belt mechanism with said slidable anchor;

slidably mounting said slidable anchor and said second crank belt mechanism with said stationary member;

moving said slidable anchor and said second crank belt mechanism relative to said stationary member toward and transversely of said axis into an operating position extended from said stationary member; and

,

moving said slidable anchor and said second crank belt mechanism relative to said stationary member away from and transversely of said axis into a non-operating position.

2. The method of claim 1 including the step of providing said stationary member with a door and moving said door into a closed position enclosing said slidable anchor within said stationary member when in said non-operating position.

3. The method of claim 1 including the step of providing said stationary member with a door, positioning said door in an open position in order to move said anchor over said door into said operating position.

4. The method of claim 1 including the step of providing a seat adjacent said securement area and moving said seat between a seating position substantially covering said securement area when no wheelchair is present and a flipped position clearing said securement area when a wheelchair is present.

5. A method for attaching a wheelchair to a vehicle comprising:

providing a vehicle having a vehicle axis with an area of a floor of the vehicle for receiving a wheelchair;

providing said vehicle with front and rear attachment assemblies for anchoring said wheelchair within said area and providing said front and rear attachment assemblies with first and second belt crank mechanisms respectively, each belt crank mechanism having an adjustable belt for securing with said wheelchair at predetermined spaced locations for anchoring said wheelchair in said area;

providing a slide anchor slidable over said vehicle floor in reciprocating movement transverse to said vehicle axis;

positioning said first belt crank mechanism of said front attachment assembly in a stationary position relative one end of said slide anchor for engaging said wheelchair at a first location in said area;

providing said slide anchor with said second belt crank mechanism of said front attachment assembly for engaging a second location of said wheelchair in said area, said slide anchor being movable relative to said vehicle between an operating position in which said adjustable belt of said second belt crank mechanism is engaged with said wheelchair at said second location and a non-operating position in which said adjustable belt of said second belt crank mechanism is detached and withdrawn from said wheelchair;

placing a wheelchair in said area;

sliding said anchor from said non-operating position to said operating position; and

attaching said front and rear attachment assemblies with said wheelchair securing said wheelchair in said area.

6. The method of claim 5 including the step of providing a stationary member with said front attaching assembly;

securing said stationary member in stationary position transverse to said axis;

moving said slidable anchor into said stationary member during movement into said non-operating position; and

,

moving said anchor out of said stationary member during movement into said operating position.

7. The method of claim 5 including the step of providing a stationary barrier for supporting said rear attachment assembly and mounting said rear attachment assembly with said barrier.