Fastener assembly having one or more grommets

Patent metadata

Field	Value
Publication number	US-10655664-B2
Application number	US-201715691848-A
Country	US
Kind code	B2
Filing date	Aug 31, 2017
Priority date	Oct 4, 2016
Publication date	May 19, 2020
Grant date	May 19, 2020

Abstract

A fastener assembly is configured to securely couple to a component. The fastener assembly includes at least one bushing, a first grommet that is coupled to the bushing(s), and a second grommet that is coupled to the bushing(s). The first grommet and the second grommet are configured to securely retain the component therebetween.

First claim

The invention claimed is:

1. A fastener assembly that is configured to securely couple to a component, the fastener assembly comprising:
at least one bushing;
a first grommet that is coupled to the at least one bushing; and
a second grommet that is coupled to the at least one bushing, wherein the first grommet and the second grommet are configured to securely retain the component therebetween, and wherein at least one of the first grommet and the second grommet includes a reduced neck formed within a central passage and defined between an inwardly-canted inner ledge and an outwardly-flared inner wall; and
wherein the at least one bushing comprises at least one outwardly-directed protuberance that abuts into an inner portion of at least one of the first grommet and the second grommet to securely couple the at least one bushing to at least one of the first grommet and the second grommet.

2. The fastener assembly of claim 1 , wherein one of the first grommet or the second grommet securely couples to the at least one bushing to form a fastener sub-assembly, wherein the fastener sub-assembly is formed by fitting the first grommet or the second grommet around the bushing, and fitting the bushing onto a fastener.

3. The fastener assembly of claim 1 , wherein at least one of the first grommet and the second grommet comprises:
a base integrally connected to a collar that is opposite from the base through a circumferential outer wall, wherein the central passage is formed through the grommet between and through the base and the collar; and
a rim outwardly extending from a surface of the base.

4. The fastener assembly of claim 3 , wherein the outer wall tapers inwardly from the base to the collar.

5. The fastener assembly of claim 3 , wherein the central passage comprises a first end opening defined by an inner diameter of the collar that connects to a second end opening defined by an inner diameter of the rim, wherein the inwardly-canted inner ledge forms a decreased diameter of the central passage proximate to a middle section, wherein the reduced neck is defined between the inner ledge and the second end opening, and wherein the second end opening is defined by the outwardly-flared inner wall that outwardly flares from the reduced neck.

6. The fastener assembly of claim 1 , further comprising a fastener including a shaft that is retained within an interior channel of a tube of the at least one bushing.

7. The fastener assembly of claim 6 , wherein the fastener comprises at least one protuberance that is configured to abut into an inner surface of the tube to securely couple the fastener to the at least one bushing.

8. The fastener assembly of claim 6 , further comprising a retaining nut that securely clamps a head of the fastener to a flange of the at least one bushing.

9. The fastener assembly of claim 1 , wherein the first grommet is inverted in relation to the second grommet, and wherein the first grommet and the second grommet are configured to be on opposite sides of the component.

10. The fastener assembly of claim 1 , wherein each of the first grommet and the second grommet are separately coupled to the at least one bushing.

11. The fastener assembly of claim 1 , wherein the first grommet is not fixed to the second grommet.

12. The fastener assembly of claim 1 , wherein the first grommet comprises a first rim, and the second grommet comprises a second rim, wherein the first rim is oriented toward the second rim, wherein a gap is formed between the first rim and the second rim in an at-rest state, and wherein the gap is reduced when the first grommet is compressed into the second grommet.

13. The fastener assembly of claim 1 , wherein each of the first grommet and the second grommet comprises at least one inwardly-directed protuberance that abuts into an outer portion of the at least one bushing to securely couple the first grommet and the second grommet to the at least one bushing.

14. The fastener assembly of claim 1 , wherein one or both of the first grommet and the second grommet comprises an elastomeric isolator molded onto a metal core.

15. The fastener assembly of claim 1 , wherein one or both of the first grommet and the second grommet are spaced apart from a tube of the at least one bushing.

16. The fastener assembly of claim 2 , wherein the at least one bushing comprises a first bushing and a second bushing, wherein the first grommet is securely coupled to the first bushing, and wherein the second grommet is securely coupled to the second bushing.

17. A fastener assembly that is configured to securely couple to a component, the fastener assembly comprising:
at least one bushing;
a first grommet that is coupled to the at least one bushing;
a second grommet that is coupled to the at least one bushing, wherein the first grommet and the second grommet are configured to securely retain the component therebetween, and wherein at least one of the first grommet and the second grommet includes a reduced neck formed within a central passage and defined between an inwardly-canted inner ledge and an outwardly-flared inner wall; and
a fastener including a shaft that is retained within an interior channel of a tube of the at least one bushing, wherein the at least one bushing comprises at least one protuberance that is configured to abut into an exterior surface of the fastener to securely couple the fastener to the bushing.

18. The fastener assembly of claim 17 , wherein the at least one bushing comprises at least one outwardly-directed protuberance that abuts into an inner portion of at least one of the first grommet and the second grommet to securely couple the at least one bushing to at least one of the first grommet and the second grommet.

Assignees

• Illinois Tool Works

Inventors

• Clark Chad M
• Fullerton Michael E

Classifications

• F16B43/001

  for sealing or insulation · CPC title

• F16B21/075

  the socket having resilient parts on its inside and outside · CPC title

• F16B21/06 Primary

  Releasable fastening devices with snap-action {(quickly-detachable or mountable nuts to threaded bolts F16B37/0842)} · CPC title

• F16B5/0258 Primary

  using resiliently deformable sleeves, grommets or inserts (F16B43/001 takes precedence) · CPC title