A resilient clip with a plurality of twisted wings for engaging a first structure. The twisted wings provide the clip with a low ratio of insertion force to pull-out force, rendering the clip relatively easy to install yet difficult to pull out. In one embodiment, the resilient clip includes at leas
A resilient clip with a plurality of twisted wings for engaging a first structure. The twisted wings provide the clip with a low ratio of insertion force to pull-out force, rendering the clip relatively easy to install yet difficult to pull out. In one embodiment, the resilient clip includes at least three wing members that cooperate to prevent the resilient clip from rotating relative to the first structure. In another embodiment, the resilient clip includes an engagement portion having a plurality of teeth for engaging a tab formed into a second structure. The teeth of the engagement portion engage the tab, permitting the resilient clip to be coupled to the second structure. When the resilient clip is engaged to the first structure, the teeth of the engagement portion cannot disengage the tab, rendering the resilient clip non-removably coupling the resilient clip to the first and second structures.
대표청구항▼
What is claimed is: 1. A fastener having an insertion axis, the fastener being configured to be inserted into an aperture in a structure along the insertion axis, the fastener comprising: a flange; a body coupled to the flange, the body having a pair of generally U-shaped portions, each of which be
What is claimed is: 1. A fastener having an insertion axis, the fastener being configured to be inserted into an aperture in a structure along the insertion axis, the fastener comprising: a flange; a body coupled to the flange, the body having a pair of generally U-shaped portions, each of which being disposed on an opposite side of the insertion axis; a wing member coupled to each of the generally U-shaped portions, each wing member having a warped planar shape with a first end that is coupled to an associated one of the generally U-shaped portions and a second free end opposite the first end, the second end terminating at a distal edge surface, the distal edge surface being sloped relative to the flange in a vertical direction that is generally parallel to the insertion axis so that a first lateral side of the distal edge surface is relatively closer to the flange in a vertical direction than a second opposite lateral side of the distal edge surface; and wherein the distal edge surface extends in a helical manner between the first and second lateral sides. 2. The fastener of claim 1, wherein a plurality of teeth are formed in the distal edge surface. 3. The fastener of claim 1, wherein the distal edge surface is flat. 4. The fastener of claim 1, wherein the warped planar shape includes a portion that is twisted. 5. The fastener of claim 1, wherein an angle between a lateral side of the wing member adjacent the first lateral side and the distal edge surface is about 30�� to about 80��. 6. The fastener of claim 5, wherein the angle is about 60��. 7. The fastener of claim 1, wherein the distal edge surfaces are rotated about the insertion axis through an angle of about 5�� to about 45�� relative to a plane when the fastener is viewed in a top plan view from a direction that is parallel to the insertion axis, the plane including the insertion axis and extending through the fastener such that each of the generally U-shaped portions are on an opposite side of the plane. 8. The fastener of claim 7, wherein the angle is about 30��. 9. The fastener of claim 1, wherein a hole is formed in the flange and a helical lip is formed on the flange proximate the hole. 10. The fastener of claim 9, wherein a fastener aperture is formed into an end of each of the generally U-shaped portions opposite the flange, the fastener aperture being adapted to provide clearance for a threaded fastener that is inserted into the hole. 11. A fastener having an insertion axis, the fastener being configured to be inserted into an aperture in a structure along the insertion axis, the fastener comprising: a flange portion having a hole that is adapted to receive a threaded fastener to couple the structure to the flange portion; an insertion portion coupled to the flange portion; a retaining portion coupled to the insertion portion and having a pair of generally U-shaped portions and first and second wing members that are coupled to at least one of the generally U-shaped portions, each of the generally U-shaped portions being disposed on an opposite side of the insertion axis, each of the first and second wing members having a warped planar shape, each of the first and second wing members being coupled to the at least one of the generally U-shaped portions at a first end and having a second end opposite the first end that terminates at a tip portion, the tip portion of the first wing member and the tip portion of the second wing member being configured to co-engage the structure, the tip portion terminating at a distal edge surface, the distal edge surface being sloped relative to the flange portion in a vertical direction that is generally parallel to the insertion axis so that a first lateral side of the distal edge surface is relatively closer to the flange in the vertical direction than a second opposite lateral side of the distal edge surface; and wherein a fastener aperture is formed into an end of each of the generally U-shaped portions opposite the flange, the fastener aperture being adapted to provide clearance for a threaded fastener that is inserted into the hole. 12. The fastener of claim 11, wherein the fastener is configured to include an insertion force and a pull-out force, and wherein a ratio of the insertion force to the pull-out force is about 0.04 to about 0.12. 13. The fastener of claim 11, wherein a plurality of teeth are formed in the distal edge surface. 14. The fastener of claim 11, wherein the distal edge surface is flat. 15. The fastener of claim 11, wherein the distal edge surface extends in a helical manner between the first and second lateral sides. 16. The fastener of claim 15, wherein an angle between a lateral side of the first wing member adjacent the first lateral side and the distal edge surface is about 30�� to about 80��. 17. The fastener of claim 16, wherein the angle is about 60��. 18. The fastener of claim 11, wherein the distal edge surfaces are rotated about the insertion axis through an angle of about 5�� to about 45�� relative to a plane when the fastener is viewed in a top plan view from a direction that is parallel to the insertion axis, the plane including the insertion axis and extending through the fastener such that each of the generally U-shaped portions are on an opposite side of the plane. 19. The fastener of claim 18, wherein the angle is about 30��. 20. The fastener of claim 11, wherein a helical lip is formed on the flange proximate the hole. 21. A fastener having an insertion axis, the fastener being configured to be inserted into an aperture in a structure along the insertion axis, the fastener comprising: a flange; a body coupled to the flange, the body having a pair of generally U-shaped portions, each of which are disposed on an opposite side of the insertion axis and include a base and a pair of legs; and a wing member coupled to the base of each of the generally the U-shaped portions such that the wing member is disposed between the pair of legs, each of the wing members having a warped planar shape with a first end that is coupled to an associated one of the bases of the generally U-shaped portions, and a second free end opposite the first end that terminates at a distal edge surface, with the distal edge surface being sloped relative to the flange in a vertical direction that is generally parallel to the insertion axis so that a first lateral side of the distal edge surface is relatively closer to the flange in a vertical direction than a second opposite lateral side of the distal edge surface. 22. The fastener of claim 21, wherein the distal edge surface extends in a helical manner between the first and second lateral sides. 23. The fastener of claim 21, wherein a hole is formed in the flange and a fastener aperture is formed into an end of each of the generally U-shaped portions opposite the flange that is adapted to provide clearance for a threaded fastener that is inserted into the hole.
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