IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0360997
(2003-02-07)
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발명자
/ 주소 |
- Momoda, Leslie A.
- Browne, Alan Lampe
- Johnson, Nancy L.
- Barvosa-Carter, William
- Stanford, Thomas B.
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출원인 / 주소 |
- General Motors Corporation
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인용정보 |
피인용 횟수 :
5 인용 특허 :
70 |
초록
▼
A releasable fastening system comprises a knob portion comprising a knob element, a cavity portion comprising a cavity configured to receive the knob element, and an ionic polymer metal composite actuator disposed at the knob element. The ionic polymer metal composite actuator is operable to mechani
A releasable fastening system comprises a knob portion comprising a knob element, a cavity portion comprising a cavity configured to receive the knob element, and an ionic polymer metal composite actuator disposed at the knob element. The ionic polymer metal composite actuator is operable to mechanically interlock the knob element with the cavity. A method of operating a releasable fastening system comprises contacting a knob portion with a cavity portion to form a releasable engagement, wherein the knob portion comprises a knob element disposed on a first support, and wherein the cavity portion comprises a cavity disposed at a second support; maintaining constant shear forces and constant pull-off forces between the knob portion and the cavity portion; and activating an ionic polymer metal composite actuator at the knob portion to facilitate the interlocking of the knob portion and the cavity portion.
대표청구항
▼
1. A releasable fastening system, comprising:a knob portion comprising a knob element;a cavity portion comprising a cavity configured to receive said knob element; andan ionic polymer metal composite actuator disposed at said knob element, said ionic polymer metal composite actuator being operable t
1. A releasable fastening system, comprising:a knob portion comprising a knob element;a cavity portion comprising a cavity configured to receive said knob element; andan ionic polymer metal composite actuator disposed at said knob element, said ionic polymer metal composite actuator being operable to mechanically interlock said knob element with said cavity.2. The releasable fastening system of claim 1, further comprising a power source disposed in electrical communication with said ionic polymer metal composite actuator.3. The releasable fastening system of claim 1, wherein said ionic polymer metal composite actuator comprises an electrolytically-actuatable solid polymer electrolyte material.4. The releasable fastening system of claim 3, wherein said solid polymer electrolyte material is an ion-exchange resin.5. The releasable fastening system of claim 1, wherein said cavity comprises a lip surface at which said ionic polymer metal composite actuator is engagable.6. A releasable fastening system, comprising:a knob portion comprising a knob element and a first support member at which said knob element is supported or attached;a cavity portion comprising a cavity configured to receive said knob element and a second support member at which said cavity is disposed; andan ionic polymer metal composite actuator disposed at said knob element, said ionic polymer metal composite actuator comprising a solid polymer electrolyte material, a first electrode disposed at a first surface of said solid polymer electrolyte material, and a second electrode disposed at a second surface of said solid polymer electrolyte material, said ionic polymer metal composite actuator being electrically operable to engage a surface of said cavity to retain said knob element at said cavity.7. The releasable fastening system of claim 6, wherein said knob element comprises a post configured to be received in said cavity, said post being supported at or attached to said first support member at one end of said post.8. The releasable fastening system of claim 6, wherein said first electrode is laterally supported at one end of said knob element, said solid polymer electrolyte material is disposed at said first electrode, and said second electrode is supported at an opposing side of said solid polymer electrolyte material.9. The releasable fastening system of claim 6, wherein said cavity comprises a chamfered surface at an exterior portion thereof.10. The releasable fastening system of claim 6, wherein said cavity comprises an interior portion defined by an abrupt change in cross-sectional area from an intermediate portion, said interior portion comprising recessed sides that define a lip surface at which said ionic polymer metal composite actuator is engagable.11. The releasable fastening system of claim 6, wherein said solid polymer electrolyte material comprises a fluorocarbon-type ion exchange resin having sulfonic acid group functionality.12. A releasable fastening system, comprising:a knob portion comprising an ionic polymer metal composite actuator, said ionic polymer metal composite actuator comprising a solid polymer electrolyte material, a first electrode disposed at said solid polymer electrolyte material, and a second electrode disposed at said solid polymer electrolyte material; anda cavity portion comprising a cavity configured to receive said ionic polymer metal composite actuator of said knob portion.13. The releasable fastening system of claim 12, wherein said cavity comprises a chamfered surface at an exterior portion thereof through which said knob portion is received said a lip portion at an interior portion thereof at which said knob portion is engagable.14. The releasable fastening system of claim 12, wherein said solid polymer electrolyte material comprises a fluorocarbon-type ion exchange resin having sulfonic acid group functionality.15. The releasable fastening system of claim 12, wherein said electrodes are fabricated from a material selected from the group consisting of platinum, palladium, rhodium, iridium, ruthenium, osmium, carbon, gold, tantalum, tin, indium, nickel, tungsten, manganese, and combinations of the foregoing materials.16. A releasable fastening system, comprising:a knob portion comprising a plurality of knob elements;a cavity portion comprising a plurality of cavities configured to receive said knob elements; andan ionic polymer metal composite actuator disposed at each of said knob elements, said ionic polymer metal composite actuators being operable to mechanically interlock said knob elements with said cavities.
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