Fastening devices for explosion-proof enclosures
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B65D-045/24
H02G-003/08
출원번호
US-0025992
(2013-09-13)
등록번호
US-9272821
(2016-03-01)
발명자
/ 주소
Manahan, Joseph Michael
Zhao, Yabin
출원인 / 주소
Cooper Technologies Company
대리인 / 주소
King & Spalding LLP
인용정보
피인용 횟수 :
2인용 특허 :
32
초록▼
An enclosure can include a first enclosure portion having a first flange, at least one first engagement feature disposed on a first inner surface of the first enclosure portion, and at least one mounting support. The enclosure can also include a second enclosure portion mechanically coupled to the f
An enclosure can include a first enclosure portion having a first flange, at least one first engagement feature disposed on a first inner surface of the first enclosure portion, and at least one mounting support. The enclosure can also include a second enclosure portion mechanically coupled to the first enclosure portion and having a second flange and at least one second engagement feature disposed on a second inner surface of the second enclosure portion. The enclosure can further include at least one fastening device mechanically and movably coupled to the at least one mounting support, where the at least one fastening device engages the first flange and the second flange when the one fastening device is in a closed position, and where the at least one fastening device is disengaged from the first flange and the second flange when the one fastening device is in an open position.
대표청구항▼
1. An enclosure comprising: a first enclosure portion comprising a first flange, at least one first engagement feature disposed on a first inner surface of the first enclosure portion, and at least one mounting support;a second enclosure portion mechanically coupled to the first enclosure portion an
1. An enclosure comprising: a first enclosure portion comprising a first flange, at least one first engagement feature disposed on a first inner surface of the first enclosure portion, and at least one mounting support;a second enclosure portion mechanically coupled to the first enclosure portion and comprising a second flange and at least one second engagement feature disposed on a second inner surface of the second enclosure portion; andat least one fastening device mechanically and movably coupled to the at least one mounting support, wherein the at least one fastening device engages the first flange and the second flange when the at least one fastening device is in a closed position, wherein the at least one fastening device is disengaged from the first flange and the second flange when the at least one fastening device is in an open position,wherein the at least one first engagement feature and the at least one second engagement feature are located inside a cavity formed by the first enclosure portion and the second enclosure portion,wherein the at least one first engagement feature couples to the at least one second engagement feature inside the cavity when the at least one fastening device is in the closed position, andwherein a first flame path is maintained between the first flange and the second flange when the at least one fastening device is in the closed position. 2. The enclosure of claim 1, wherein the at least one first engagement feature disposed on the first inner surface of the first enclosure portion is adjustable to ensure that the first flame path between the first flange and the second flange complies with a specification. 3. The enclosure of claim 1, wherein the at least one fastening device comprises: a bracket comprising a back side mechanically coupled to a bottom side at a first angle and to a top side at a second angle, wherein the top side comprises an engagement portion, wherein the first angle is substantially parallel to an under side of the first flange, and wherein the second angle is substantially parallel to a top side of the second flange;a hinged coupling feature hingedly coupled to the at least one mounting support and fixedly coupled to the bracket; anda handle fixedly coupled to the hinged coupling feature and having a first position corresponding to the closed position and a second position corresponding to the open position. 4. The enclosure of claim 3, wherein the second flange comprises a first portion having a first vertical profile that is less than that of a remainder of the second flange, wherein the bracket engages the first flange and the first portion of the second flange when the handle is in the closed position, and wherein the bracket is disengaged from the first flange and the first portion of the second flange when the handle is in the open position. 5. The enclosure of claim 3, wherein the first enclosure portion is a cover that further comprises an elevated inner portion and an outer portion, wherein the at least one mounting support is disposed on the outer portion adjacent to the elevated inner portion. 6. The enclosure of claim 3, further comprising a securing device mechanically coupled to the top side of the bracket, wherein the securing device engages the handle when the handle is in the closed position. 7. The enclosure of claim 6, wherein the securing device is disengaged from the handle using a tool. 8. The enclosure of claim 3, wherein the first angle is different from the second angle. 9. The enclosure of claim 1, wherein the first flange is part of the body of an explosion-proof enclosure, and wherein the second flange is part of the cover of the explosion-proof enclosure. 10. The enclosure of claim 1, wherein the at least one fastening device comprises: at least one cam disposed within the mounting support and that traverses the first enclosure portion, wherein each of the at least one cam comprises a shaft that mechanically couples to a first fastening feature, wherein the first fastening feature couples to a second fastening feature disposed on an inner portion of the second enclosure portion when the cam is in the closed position, and wherein the first fastening feature decouples from the second fastening feature when the cam is in the open position. 11. The enclosure of claim 10, wherein the cam rotates approximately 90° between the closed position and the open position. 12. The enclosure of claim 10, wherein the cam rotates using a tool. 13. The enclosure of claim 10, wherein each first engagement feature decouples from a corresponding second engagement feature as the cam rotates to the open position. 14. The enclosure of claim 10, wherein the cam and the mounting support form a second flame path. 15. The enclosure of claim 10, wherein the at least one first engagement feature disposed on the first inner surface of the first enclosure portion moves when the cam moves between the open position and the closed position. 16. The enclosure of claim 10, wherein the at least one second engagement feature disposed on the second inner surface of the second enclosure portion moves when the cam moves between the open position and the closed position. 17. The enclosure of claim 10, wherein the at least one second engagement feature comprises at least one feature that allows for the first flame path when the first enclosure portion is mechanically coupled to the second enclosure portion. 18. The enclosure of claim 1, wherein the at least one fastening device can be adjusted using a fastener disposed within a portion of the at least one mounting support. 19. The enclosure of claim 1, wherein the first enclosure portion further comprises a first securing feature disposed along a third inner surface, and wherein the second enclosure portion further comprises a second securing feature disposed along a fourth inner surface.
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