Elastic tube alignment and fastening system for providing precise alignment and fastening of components
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62D-027/04
B62D-027/06
출원번호
US-0021282
(2013-09-09)
등록번호
US-9463831
(2016-10-11)
발명자
/ 주소
Morris, Steven E.
Lawall, Jennifer P.
출원인 / 주소
GM GLOBAL TECHNOLOGY OPERATIONS LLC
대리인 / 주소
Cantor Colburn LLP
인용정보
피인용 횟수 :
0인용 특허 :
286
초록▼
An elastically averaged alignment system includes a first component having a first alignment member, an attachment element, and a support element, and a second component having a second alignment member, an alignment aperture, and an engagement surface that engages with the support element. The atta
An elastically averaged alignment system includes a first component having a first alignment member, an attachment element, and a support element, and a second component having a second alignment member, an alignment aperture, and an engagement surface that engages with the support element. The attachment element includes an attachment portion and an elastically deformable alignment element portion. The elastically deformable alignment element portion is configured and disposed to interferingly, deformably and matingly engage the alignment aperture. The attachment portion includes a hollow tube having a first wall thickness, and the elastically deformable alignment element portion includes a hollow tube having a second wall thickness less than the first wall thickness. Portions of the elastically deformable alignment element portion when inserted into the alignment aperture elastically deform to an elastically averaged final configuration that aligns the first alignment member with the second alignment member in at least two planar orthogonal directions.
대표청구항▼
1. An elastically averaged alignment system, comprising: a first component comprising a first alignment member, an attachment element, and a support element, each of the attachment element and the support element fixedly disposed with respect to the first alignment member, the support element dispos
1. An elastically averaged alignment system, comprising: a first component comprising a first alignment member, an attachment element, and a support element, each of the attachment element and the support element fixedly disposed with respect to the first alignment member, the support element disposed proximate the attachment element, the attachment element comprising an attachment portion and an elastically deformable alignment element portion;a second component comprising a second alignment member, an alignment aperture, and an engagement surface configured to engage with the support element;wherein the elastically deformable alignment element portion is configured and disposed to interferingly, deformably and matingly engage the alignment aperture;wherein the attachment portion comprises a hollow tube having a first wall thickness, and the elastically deformable alignment element portion comprises a hollow tube having a second wall thickness less than the first wall thickness; andwherein portions of the elastically deformable alignment element portion when inserted into the alignment aperture elastically deform to an elastically averaged final configuration that aligns the first alignment member with the second alignment member in at least two planar orthogonal directions. 2. The elastically averaged alignment system of claim 1, further comprising: a fastener comprising a thread portion and a head portion, the thread portion being threadingly engaged with the attachment portion, and the head portion being disposed to constrain the second component in at least an axial direction with respect to a central axis of the attachment element. 3. The elastically averaged alignment system of claim 1, wherein: portions of the elastically deformable alignment element when inserted into the alignment aperture elastically deform to an elastically averaged final configuration that aligns the first alignment member with the second alignment member in four planar orthogonal directions. 4. The elastically averaged alignment system of claim 1, wherein: the elastically deformable alignment element portion comprises a hollow tube having a circular axial cross-section with respect to a central axis of the attachment element. 5. The elastically averaged alignment system of claim 1, wherein: the elastically deformable alignment element portion comprises a hollow tube having an axial cross-section comprising at least three outwardly oriented lobes with respect to a central axis of the attachment element. 6. The elastically averaged alignment system of claim 1, wherein: the attachment portion comprises a hollow tube having a circular axial cross-section with respect to a central axis of the attachment element. 7. The elastically averaged alignment system of claim 1, wherein: the hollow tube of the elastically deformable alignment element portion comprises at least one slot oriented in an axial direction with respect to a central axis of the attachment element. 8. The elastically averaged alignment system of claim 7, wherein: the hollow tube of the attachment portion comprises at least one slot oriented in an axial direction with respect to a central axis of the attachment element. 9. The elastically averaged alignment system of claim 1, wherein: the hollow tube of the elastically deformable alignment element portion comprises more than one slot oriented in an axial direction with respect to a central axis of the attachment element. 10. The elastically averaged alignment system of claim 1, wherein: the attachment element is elastically deformable. 11. The elastically averaged alignment system of claim 1, wherein: the support element is integral with the attachment element. 12. The elastically averaged alignment system of claim 1, wherein: the support element comprises a ring-shaped support surface disposed around a perimeter of the attachment element and configured to engage with the engagement surface of the second component. 13. The elastically averaged alignment system of claim 1, wherein: the support element comprises at least one rib that extends radially outward with respect to a central axis of the attachment element, the at least one rib having a radially extending support surface configured to engage with the engagement surface of the second component. 14. The elastically averaged alignment system of claim 1, wherein: the attachment element and the support element are integrally formed with the first alignment member to form a single part. 15. The elastically averaged alignment system of claim 1, wherein: the first component and the second component each have respective engagement sides relative to each other; andthe second alignment member comprises a chamfer on its respective engagement side that circumscribes at least a portion of the alignment aperture. 16. The elastically averaged alignment system of claim 1, wherein: the attachment element comprises a proximal end proximate the first alignment member, and a distal end distal to the first alignment member, the distal end comprising a taper. 17. The elastically averaged alignment system of claim 1, wherein the attachment element is a first of a plurality of the attachment element, the support element is a first of a plurality of the support element, the alignment aperture is a first of a plurality of the alignment aperture, and further comprising: a second of the plurality of the attachment element fixedly disposed with respect to the first alignment member, and spaced apart from the first of the plurality of the attachment element a first defined distance;a second of the plurality of the support element fixedly disposed with respect to the first alignment member, and disposed proximate the second of the plurality of the attachment element;a second of the plurality of the alignment aperture spaced apart from the first of the plurality of the alignment aperture a second defined distance;wherein the elastically deformable alignment element portion of the second of the plurality of the attachment element is configured and disposed to interferingly, deformably and matingly engage the second of the plurality of the alignment aperture;wherein portions of respective ones of the elastically deformable alignment element portion of each of the first and second of the plurality of the attachment element when inserted into respective ones of the first and second of the plurality of the alignment aperture elastically deform to an elastically averaged final configuration that further aligns the first alignment member with the second alignment member in at least two planar orthogonal directions; andwherein a first portion of the second component is supported by the first of the plurality of the support element, and a second portion of the second component is supported by the second of the plurality of the support element. 18. The elastically averaged alignment system of claim 17, wherein the first defined distance is not equal to the second defined distance, and further wherein: each elastically deformable alignment element portion of the first and second attachment elements are configured to elastically deform in bending, absent deformation in bending of each respective attachment portion, when the first and second components are mated to each other. 19. The elastically averaged alignment system of claim 17, wherein the first defined distance is not equal to the second defined distance, and further wherein: each elastically deformable alignment element portion and each respective attachment portion of the first and second attachment elements are configured to elastically deform in bending when the first and second components are mated to each other. 20. A vehicle, comprising: a body; andan elastically averaged alignment system integrally arranged with the body, the elastically averaged alignment system comprising:a first component comprising a first alignment member, an attachment element, and a support element, each of the attachment element and the support element fixedly disposed with respect to the first alignment member, the support element disposed proximate the attachment element, the attachment element comprising an attachment portion and an elastically deformable alignment element portion;a second component comprising a second alignment member, an alignment aperture, and an engagement surface configured to engage with the support element;a fastener comprising a thread portion and a head portion, the thread portion being threadingly engaged with the attachment portion, and the head portion being disposed to constrain the second component in at least an axial direction with respect to a central axis of the attachment element;wherein the elastically deformable alignment element portion is configured and disposed to interferingly, deformably and matingly engage the alignment aperture;wherein the attachment portion comprises a hollow tube having a first wall thickness, and the elastically deformable alignment element portion comprises a hollow tube having a second wall thickness less than the first wall thickness; andwherein portions of the elastically deformable alignment element portion when inserted into the alignment aperture elastically deform to an elastically averaged final configuration that aligns the first alignment member with the second alignment member in at least two planar orthogonal directions.
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