Releasable tether retention system

• US 8,628,114 B1
• Filed: 07/15/2011
• Issued: 01/14/2014
• Est. Priority Date: 07/15/2010
• Status: Active Grant

• Current Assignee: Joyson Safety Systems Acquisition, LLC
• Original Assignee: TK Holdings Incorporated (Ningbo Junsheng Investment Group Co., Ltd.)
• Inventors: Quioc, Eduardo L.
• Primary Examiner(s): Rocca, Joseph
• Assistant Examiner(s): Freedman, Laura
• Application Number:
  US13/184,118
• Time in Patent Office: 914 Days
• Field of Search: 242/374, 242/375.2, 280/734, 280/743.2, 280/806, 280/736, 280/739, 280/742, 280/743.1, 297/478, 297/480
• US Class Current: 280/743.2
• CPC Class Codes: B60R 2021/23384 having ends which are movable or detachable during deployment
• CPC Class Codes: B60R 2021/23388 having ends which are movable or detachable during deployment
• CPC Class Codes: B60R 2021/2395 comprising means to control the venting
• CPC Class Codes: B60R 21/013 including means for detecting collisions, impending collisions or roll-over
• CPC Class Codes: B60R 21/2338 Tethers

Abstract

A releasable tether retention system includes a housing having a slot extending therealong and a projection extending into the slot. The projection is coupled to the housing so as to be movable along the housing between a first position along the slot and a second position along the slot. Rotation of the projection is prevented when the projection is in the first position, and rotation of the projection is enabled when the projection is in the second position.

Claims

1. A releasable tether retention system comprising:

a housing having a slot extending therealong;

a projection extending into the slot and coupled to the housing so as to be movable along the housing between a first position along the slot and a second position along the slot,

wherein rotation of the projection is prevented when the projection is in the first position, and wherein rotation of the projection is enabled when the projection is in the second position,

and wherein the slot includes a first slot portion and a second slot portion intersecting the first slot portion.

2. The system of claim 1 further comprising a support coupled to the housing and positioned to support a portion of the projection prior to activation of the tether retention system.

3. The system of claim 1 wherein the housing has another slot extending therealong and another projection extending into the another slot and coupled to the housing so as to be movable along the housing between a first position along the another slot and a second position along the another slot.

4. The system of claim 3 wherein the projection extends in a first direction, and wherein the another projection extends in a second direction different from the first direction.

5. The system of claim 4 wherein the second direction is opposite the first direction.

6. The system of claim 1 wherein a plane along which the first slot portion extends is orthogonal to a plane along which the second slot portion extends.

7. The system of claim 1 wherein the first position is at an end of the first slot portion and the second position is at another end of the first slot portion.

8. The system of claim 1 wherein the first slot portion has a first end and a second end, the second slot portion has a first end and a second end, and wherein the first slot portion second end intersects the second slot portion first end.

9. The system of claim 1 wherein the second slot portion forms a curve along a wall of the housing.

10. The system of claim 1 further comprising a retention member movable along a bore of the housing, and wherein the projection extends from the retention member.

11. The system of claim 10 further comprising a pin extending through a shaft formed in the retention member, the pin including a head portion and a shank portion, and wherein the projection is formed by the shank portion of the pin.

12. A vehicle occupant protection system comprising a releasable tether retention system in accordance with claim 1.

13. A releasable tether retention system comprising:

a housing having a slot formed therealong; and

a retaining member rotatably positioned in the housing and including a projection extending into the slot,

the system being structured such that the projection moves along the slot from a first position to a second position different from the first position during a rotation of the retaining member.

14. The system of claim 13 wherein the slot has a first slot portion formed therein and wherein the projection extends through the first slot portion to an exterior of the housing.

15. The system of claim 14 wherein the housing has another slot including another first slot portion formed therein and another projection extending into the another first slot portion, the another projection being coupled to the housing so as to be movable along the housing between a first position and a second position.

16. The system of claim 14 wherein the slot has a second slot portion formed therein, the second slot portion intersecting the first slot portion.

17. The system of claim 13 wherein the projection is movable along the slot from the second position to a third position during a rotation of the projection about an axis of the housing.

18. A releasable tether retention system comprising:

a housing; and

a retaining member positioned within the housing and including a projection extending from the housing, the retaining member being movable along an axis of the housing between a first position along the housing and a second position along the housing different from the first position, the projection being rotatable about the axis between a first orientation at the first position, and a second orientation at the second position.

19. The system of claim 18 wherein the projection retains a tether thereon when the projection is in the first orientation, and wherein the tether is no longer retained by the projection after rotation of the projection from the first orientation to the second orientation.