Initiator grounding clip

Patent metadata

Field	Value
Publication number	US-10663269-B2
Application number	US-201815986889-A
Country	US
Kind code	B2
Filing date	May 23, 2018
Priority date	May 23, 2018
Publication date	May 26, 2020
Grant date	May 26, 2020

Abstract

Assemblies and methods for the electrical grounding of an initiator for a vehicle device, e.g. an inflator. Initiator assemblies are provided for inflators in electrical charge transmitting connection via a connector assembly to an electric ground. Initiator assemblies include integrally molded initiator having a molded base forming a connector socket. The molded base includes a grounding clip recess feature. A metallic electrical grounding clip is housed in the grounding clip recess feature. The grounding clip includes a base portion and an extending portion. The extending portion includes a first end proximate and in contact with the base portion and a second end distal from the base portion and with second end in electrical transferring contact with the vehicle device.

First claim

What is claimed is:

1. An initiator assembly for an inflator having a metal body, the initiator assembly in electrical charge transmitting connection via a connector assembly to an electric ground, the assembly comprising:
an integrally molded initiator having a molded base forming a connector socket, the molded base including a grounding clip recess feature; and
a metallic electrical grounding clip at least in part housed in the grounding clip recess feature, the grounding clip including a base portion and an extending portion, the extending portion having a first end proximate and in contact with the base portion and a second end distal from the base portion, wherein the second end is in electrical transferring contact with the inflator,
wherein the second end extends outside the connector socket and is electrically coupled to the metal inflator body.

2. The assembly of claim 1 wherein the vehicle device comprises an inflator.

3. The assembly of claim 1 wherein the molded base includes a sidewall at least in part defining the connector socket, the sidewall having an inner surface including at least a portion of the grounding clip recess feature.

4. The assembly of claim 3 wherein the sidewall includes a cut-out and wherein the grounding clip extending portion traverses the sidewall at the cut-out.

5. The assembly of claim 3 wherein the grounding clip recess feature includes a groove formed in the sidewall on an inner surface of the connector socket.

6. The assembly of claim 5 wherein the grounding clip base portion is at least in part housed in the groove formed in the sidewall on an inner surface of the connector socket.

7. The assembly of claim 6 wherein the grounding clip extending portion extends from the grounding clip base portion at least in part housed in the groove formed in the sidewall on an inner surface of the connector socket to the metal inflator body.

8. The assembly of claim 6 wherein the grounding clip extending portion extends from the grounding clip base portion to a base of the inflator containing the assembly.

9. The assembly of claim 1 wherein the second end of the extending portion includes a contact bump.

10. The assembly of claim 1 wherein the second end of the extending portion is attached to the metal inflator body.

11. The assembly of claim 10 wherein the second end of the extending portion is laser welded to the metal inflator body.

12. An initiator assembly for an inflator having a metal body, the assembly comprising:
an integrally molded initiator having a molded base forming a connector socket, the molded base including a sidewall at least in part defining the connector socket, the sidewall having an inner surface including a groove forming at least a portion of a grounding clip recess feature; and
a metallic electrical grounding clip including a base portion and an extending portion, with the base portion at least in part housed in the groove formed in the sidewall on an inner surface of the connector socket, the extending portion having a first end proximate in contact with the base portion and a second end distal from the base portion, wherein the second end extends outside of the connector socket and is electrically coupled to the inflator metal body.

13. The assembly of claim 12 wherein the second end of the extending portion includes a contact bump.

14. The assembly of claim 12 wherein the second end of the extending portion is attached to the metal inflator body.

15. The assembly of claim 14 wherein the second end of the extending portion is heat staked to the metal inflator body.

16. The assembly of claim 14 wherein the second end of the extending portion is laser welded to the metal inflator body.

17. A method for electrically grounding an inflator device having a metal body and an integrally molded initiator, the initiator in electrical charge transmitting connection via a connector assembly to an electric ground, the method comprising:
housing a metallic electrical grounding clip at least in part in a grounding clip recess feature in a connector socket formed at least in part by a molded base or a collar of the integrally molded initiator, the electric grounding clip including a base portion and an extending portion, the extending portion having a first end proximate and in contact with the base portion and a second end distal from the base portion, with the second end extending outside the connector socket; and
electrically coupling the second end of the ground clip extending portion with the metal inflator body.

18. The method of claim 17 , wherein the metal inflator body comprises a base of the inflator.

19. The method of claim 17 additionally comprising attaching the second end of the extending portion to the metal inflator body or a metallic collar disposed on an exterior portion of the connector socket.

20. The method of claim 19 wherein said attaching of the second end comprises one of heat staking or laser welding.

Assignees

• Autoliv Asp Inc

Inventors

• Gordon Scott C
• Larsen Alan R

Classifications

• F42B3/18 Primary

  Safety initiators resistant to premature firing by static electricity or stray currents · CPC title

• B60R22/46

  {Reels} with means to tension the belt in an emergency {by forced winding up}(electrical circuits for triggering safety arrangements B60R21/01 {; tensioners using reels only guiding the belt during normal use, e.g. splitted reels B60R22/195}) · CPC title

• B60R2021/26029

  Ignitors · CPC title

• B60R2022/328

  comprising means for cutting the belt · CPC title

• F42B3/26

  Arrangements for mounting initiators; Accessories therefor, e.g. tools · CPC title