IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0918734
(2004-08-16)
|
발명자
/ 주소 |
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출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
8 인용 특허 :
5 |
초록
▼
An electrical box extension includes a base having a first edge, a second edge, an inner wall, and an outer wall. The inner wall defines an aperture. An annular flange is disposed on the inner wall. The flange has first and second support surfaces. A first receiving section is formed between the fir
An electrical box extension includes a base having a first edge, a second edge, an inner wall, and an outer wall. The inner wall defines an aperture. An annular flange is disposed on the inner wall. The flange has first and second support surfaces. A first receiving section is formed between the first edge and the upper support surface. A second receiving section is formed between the second edge and the second support surface. The extension is reversible for extending the electrical box in either a partially or fully extended position.
대표청구항
▼
What is claimed is: 1. An extension adapted for use with an electrical ceiling box, comprising: a base including a first edge, a second edge, an inner wall, and an outer wall, said inner wall defining an aperture; a substantially annular flange disposed on said inner wall, said flange having first
What is claimed is: 1. An extension adapted for use with an electrical ceiling box, comprising: a base including a first edge, a second edge, an inner wall, and an outer wall, said inner wall defining an aperture; a substantially annular flange disposed on said inner wall, said flange having first and second support surfaces; and a first receiving section formed between said first edge and said first support surface, and a second receiving section formed between said second edge and said second support surface. 2. An extension according to claim 1, wherein said first receiving section and said second receiving section have different depths. 3. An extension according to claim 2, wherein the depth of said first receiving section is greater than the depth of said second receiving section. 4. An extension according to claim 1, wherein a fastener holder is removably connected to said flange. 5. An extension according to claim 1, wherein a fastener holder is removably connected to said base. 6. An extension according to claim 1, wherein said base is substantially annular. 7. An extension according to claim 1, wherein said base has a substantially uniform transverse cross section along an entire length thereof. 8. An extension according to claim 1, wherein said base and said flange are integrally connected. 9. An extension according to claim 1, wherein said base and said flange are made of a polymeric material. 10. An electrical box assembly, comprising: a electrical box having a side wall including an inner surface and outer surface; an extension having a base including a first edge, a second edge, an inner wall, and an outer wall, said inner wall defining an aperture; a flange disposed on one of said inner or outer walls having first and second support surfaces; and a first receiving section formed between said first edge and first support surface, and a second receiving section formed between said second edge and said second support surface, each receiving section having a different depth from one another, and being slidably engageable with at least one surface of said electrical box for mounting said electrical box in either a partially extended position or a fully extended position. 11. An extension ring according to claim 10, wherein the depth of said first receiving section is greater than the depth of said second receiving section. 12. An extension ring according to claim 10, wherein the at least one surface of the electrical box is an outer surface. 13. An extension ring according to claim 10, wherein the at least one surface of the electrical box is an inner surface. 14. An extension ring according to claim 10, wherein the at least one surface of the electrical box comprises both the inner surface and the outer surface. 15. An extension ring according to claim 10, wherein a fastener holder is removably connected to said flange. 16. An extension ring according to claim 10, wherein a fastener holder is removably connected to said base. 17. An extension ring according to claim 10, wherein said base and said flange are substantially annular. 18. An extension ring according to claim 10, wherein said base has a substantially uniform transverse cross section along an entire length thereof. 19. An extension ring according to claim 10, wherein said base and said flange are integrally connected. 20. An extension ring according to claim 10, wherein said base and said flange are made of a polymeric material. 21. A method of mounting an electrical box extension, comprising the steps of connecting an electrical box to a support; installing a ceiling or wall adjacent the support; locating the electrical box in the ceiling or wall; cutting an aperture in the ceiling or wall for exposing the electrical box; positioning one of a first receiving section or a second receiving section of an extension contiguous to the electrical box depending upon a thickness of the ceiling or wall, the first and second receiving sections having a different depth from one another; slidably attaching the one of a first receiving section or a second receiving section to at least one surface of the electrical box in either a partially extended or a fully extended position, the extension having a flange defining the inner ends of each of the first and second receiving sections and being spaced from the outer ends of each of the first and second receiving sections. 22. A method of mounting an electrical box extension according to claim 21, and further comprising the steps of attaching an electrical fixture to the electrical box. 23. A method of mounting an electrical box extension according to claim 21, wherein the ceiling or wall is comprised of drywall.
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