Steering column having an energy absorption assembly

Patent metadata

Field	Value
Publication number	US-10807630-B2
Application number	US-201816204455-A
Country	US
Kind code	B2
Filing date	Nov 29, 2018
Priority date	Nov 29, 2018
Publication date	Oct 20, 2020
Grant date	Oct 20, 2020

Abstract

A steering column assembly that includes an upper jacket, a drive bracket, and an energy absorption assembly. The drive bracket is coupled to the upper jacket. The energy absorption assembly includes a first member and a second member. The first member has a first member body extending between a first member first end and a first member second end. The second member has a second member body extending between a second member first end and a second member second end. A receiving area is defined between the first member body and the second member body.

First claim

Having thus described the invention, it is claimed:

1. A steering column assembly having a central axis, the steering column assembly, comprising:
a lower jacket;
an upper jacket at least partially received within the lower jacket;
a drive bracket coupled to the upper jacket, the drive bracket is connected to a telescope actuator assembly that is arranged to move the upper jacket relative to the lower jacket; and
an energy absorption assembly, comprising:
a first member having a first member first end connected to an energy absorption strap, a first member second end connected to the drive bracket, and a first member body extending between the first member first end and the first member second end, and
an energy absorption strap disposed between the first member and the upper jacket, the energy absorption strap having a first strap portion connected to the first member first end, a second strap portion connected to the drive bracket, and an intermediate portion extending between the first strap portion and the second strap portion.

2. The steering column assembly of claim 1 , the first member being at least partially disposed between the telescope actuator assembly and the upper jacket.

3. The steering column assembly of claim 1 , the first member being arranged to apply a compressive force to the first strap portion.

4. The steering column assembly of claim 1 , the first member having a first side member extending from the first member body and a second side member disposed opposite the first side member, the first side member and the second side member each extending between the first member first end and the first member second end.

5. The steering column assembly of claim 4 , the first side member and the second side member are disposed proximate opposing sides of the first strap portion.

6. The steering column assembly of claim 1 , during a steering column collapse event the first member is arranged to inhibit the first strap portion from moving towards the telescope actuator assembly.

7. A steering column assembly, comprising:
an upper jacket at least partially received within a lower jacket;
a drive bracket coupled to the upper jacket; and
an energy absorption assembly, comprising:
a first member having a first member first end, a first member second end, and a first member body extending between the first member first end and the first member second end, and
a second member having a second member first end, a second member second end connected to the drive bracket, and a second member body extending between the second member first end and the second member second end, a receiving area being defined between the first member body and the second member body.

8. The steering column assembly of claim 7 , the energy absorption assembly further comprising:
an energy absorption strap disposed within the receiving area.

9. The steering column assembly of claim 8 , the energy absorption strap having a first strap portion connected to the first member first end, a second strap portion connected to the drive bracket, and an intermediate portion extending between the first strap portion and the second strap portion.

10. The steering column assembly of claim 9 , the first member first end extends through the first strap portion.

11. The steering column assembly of claim 9 , the first member first end is at least partially disposed about a portion of the first strap portion.

12. The steering column assembly of claim 9 , the first member having a first engagement surface that extends between the first member second end and the first member body.

13. The steering column assembly of claim 12 , the first engagement surface is disposed in a non-parallel and non-perpendicular relationship with respect to the first member second end.

14. The steering column assembly of claim 12 , the second member having a second engagement surface that extends between the second member second end and the second member body.

15. The steering column assembly of claim 14 , the second engagement surface is disposed in a non-parallel and non-perpendicular relationship with respect to the second member second end.

16. The steering column assembly of claim 14 , the first engagement surface and the second engagement surface engage the intermediate portion.

17. The steering column assembly of claim 16 , the intermediate portion defines a radius such that the first strap portion is disposed parallel to the second strap portion.

18. The steering column assembly of claim 17 , during a steering column collapse event the first engagement surface and the second engagement surface are arranged to inhibit a change in the radius.

19. The steering column assembly of claim 17 , during a steering column collapse event the first member and the second member are arranged to inhibit the first strap portion and the second strap portion from moving away from each other.

Assignees

• Steering Solutions Ip Holding

Inventors

• Caverly Jacob A
• Stinebring Scott A
• Anspaugh Michael P
• Maida Robert D

Classifications

• B62D1/195

  Yieldable supports for the steering column · CPC title

• B62D1/192 Primary

  Yieldable or collapsible columns · CPC title

• B62D1/181 Primary

  with power actuated adjustment, e.g. with position memory · CPC title