Elastically deformable alignment fastener and system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16B-021/08
F16B-039/284
F16B-019/00
B60R-013/02
출원번호
US-0012205
(2013-08-28)
등록번호
US-9458876
(2016-10-04)
발명자
/ 주소
Morris, Steven E.
Tahnoose, Marc J.
McGuire, Michael E.
Lawall, Jennifer P.
출원인 / 주소
GM GLOBAL TECHNOLOGY OPERATIONS LLC
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
1인용 특허 :
285
초록▼
An elastically deformable alignment fastener has the form of a unitary object having a head portion and an integrally formed body portion. The body portion has an elastically deformable lobular hollow tube having a proximal end proximate the head portion and a distal end axially displaced from the h
An elastically deformable alignment fastener has the form of a unitary object having a head portion and an integrally formed body portion. The body portion has an elastically deformable lobular hollow tube having a proximal end proximate the head portion and a distal end axially displaced from the head portion. The lobular hollow tube has an outer surface having one or more retention features oriented to provide a plurality of radially extending engagement surfaces along a length of the hollow tube. The head portion has a flange that circumscribes the proximal end of the lobular hollow tube. Portions of the elastically deformable lobular hollow tube when inserted into circular apertures of first and second components elastically deform to an elastically averaged final configuration that aligns the first and second components in four planar orthogonal directions.
대표청구항▼
1. An elastically deformable alignment fastener configured to be inserted into circular apertures of first and second components, the elastically deformable alignment fastener comprising: an object having a head portion and a body portion;wherein the body portion comprises an elastically deformable
1. An elastically deformable alignment fastener configured to be inserted into circular apertures of first and second components, the elastically deformable alignment fastener comprising: an object having a head portion and a body portion;wherein the body portion comprises an elastically deformable lobular hollow tube having a proximal end proximate the head portion and a distal end axially displaced from the head portion;wherein the lobular hollow tube is tri-lobular;wherein the lobular hollow tube has an outer surface comprising one or more retention features oriented to provide a plurality of radially extending engagement surfaces along a length of the hollow tube;wherein the head portion comprises a flange that circumscribes the proximal end of the lobular hollow tube; andwherein portions of the elastically deformable lobular hollow tube when inserted into the circular apertures of the first and second components are adapted to elastically deform to an elastically averaged final configuration that aligns the first and second components in four planar orthogonal directions. 2. The elastically deformable alignment fastener of claim 1, wherein: the plurality of radially extending engagement surfaces are disposed on the outer surface of each lobe of the lobular hollow tube. 3. The elastically deformable alignment fastener of claim 1, wherein: the retention features comprise ribs, projections, notches, indentations, serrations, or any combination of ribs, projections, notches, indentations and serrations. 4. The elastically deformable alignment fastener of claim 1, wherein: the object is a unitary object having the head portion and the body portion integrally formed. 5. An elastically deformable alignment fastener configured to be inserted into circular apertures of first and second components, the elastically deformable alignment fastener comprising: an object having a head portion and a body portion;wherein the body portion comprises an elastically deformable lobular hollow tube having a proximal end proximate the head portion and a distal end axially displaced from the head portion;wherein the lobular hollow tube has an outer surface comprising one or more retention features oriented to provide a plurality of radially extending engagement surfaces along a length of the hollow tube;wherein the head portion comprises a flange that circumscribes the proximal end of the lobular hollow tube;wherein portions of the elastically deformable lobular hollow tube when inserted into the circular apertures of the first and second components are adapted to elastically deform to an elastically averaged final configuration that aligns the first and second components in four planar orthogonal directions; andwherein the lobular hollow tube comprises a tube wall having three apex wall portions equally distributed about a central axis of the lobular hollow tube and three connecting wall portions interconnected therebetween, wherein the three apex wall portions have a size adapted to interferingly, deformably and matingly fit within a defined circular aperture of the first component, wherein the connecting wall portions have a size adapted to fit within the defined circular aperture with clearance therebetween, and wherein the connecting wall portions are configured to elastically deform toward the central axis of the lobular hollow tube, away from the central axis of the lobular hollow tube, or in a combination that includes elastic deformation toward and away from the central axis of the lobular hollow tube when the lobular hollow tube is engaged with and is elastically deformed with respect to the circular apertures of the first and second components. 6. The elastically deformable alignment fastener of claim 5, wherein the three connecting wall portions each comprise a wall surface that is curved inward toward the central axis of the lobular hollow tube. 7. The elastically deformable alignment fastener of claim 5, wherein the three connecting wall portions each comprise a wall surface that is curved outward away from the central axis of the lobular hollow tube. 8. The elastically deformable alignment fastener of claim 5, wherein: the object is a unitary object having the head portion and the body portion integrally formed. 9. An elastically averaged alignment system, comprising: a first component comprising a first alignment member and a first aperture;a second component comprising a second alignment member and a second aperture, the second aperture being configured and disposed to align with the first aperture when the first and second components are assembled together; andan elastically deformable alignment fastener comprising an object having a head portion and a body portion;wherein the body portion comprises an elastically deformable lobular hollow tube having a proximal end proximate the head portion and a distal end axially displaced from the head portion;wherein the lobular hollow tube is tri-lobular;wherein the lobular hollow tube has an outer surface comprising one or more retention features oriented to provide a plurality of radially extending engagement surfaces along a length of the hollow tube;wherein the head portion comprises a flange that circumscribes the proximal end of the lobular hollow tube; andwherein portions of the elastically deformable lobular hollow tube are configured to be inserted into the first and second apertures of the first and second components, and when inserted into the first and second apertures of the first and second components elastically deform to an elastically averaged final configuration that aligns the first and second components in at least two planar orthogonal directions. 10. The elastically averaged alignment system of claim 9, wherein: each of the first and second apertures are circular apertures; andportions of the elastically deformable lobular hollow tube when inserted into the first and second circular apertures of the first and second components elastically deform to an elastically averaged final configuration that aligns the first and second components in four planar orthogonal directions. 11. The elastically averaged alignment system of claim 10, wherein: the first component comprises sheet metal;the second component comprises a compressible material; andthe elastically deformable alignment fastener interferingly, deformably, and matingly engages with the first component to fasten the second component to the first component between the flange and the one or more retention features. 12. The elastically averaged alignment system of claim 11, wherein: the first component comprises a door assembly of a vehicle; andthe second component comprises sound absorbing material. 13. The elastically averaged alignment system of claim 9, further comprising: at least a third component disposed between the first and second components, the third component comprising a third aperture configured and disposed to align with the first and second apertures when the first, second and at least the third components are assembled together. 14. The elastically averaged alignment system of claim 9, wherein: the first component comprises a plurality of the first aperture;the second component comprises a plurality of the second aperture, each being configured and disposed to align with a respective one of the plurality of the first aperture when the first and second components are assembled together; and further comprising:a plurality of the elastically deformable alignment fastener disposed within respective pairs of the first and second apertures. 15. The elastically averaged alignment system of claim 9, wherein: the elastically deformable alignment fastener interferingly, deformably, and matingly engages with the first component to fasten the second component to the first component between the flange and the one or more retention features. 16. The elastically averaged alignment system of claim 15, wherein: the first aperture has a first diameter; andthe second aperture has a second diameter that is greater than the first diameter. 17. The elastically averaged alignment system of claim 9, wherein: the object is a unitary object having the head portion and the body portion integrally formed.
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