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Compact spiral cavity loudspeaker enclosure |
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Omni-directional sound system |
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Overhanging structure |
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Modular structural assembly and method of construction |
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Elliptical thread design |
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Gum-tape plate bonded roofing system |
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Variable angle refractory anchor for connecting surfaces |
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Weatherproof electrical enclosure
| Details |
Inventors: Williams, Jr., Howard M.;
Assignee: Hubbell Incorporated (Orange, CT)
Primary Examiner: Castellano; Stephen J.
Assistant Examiner:
Attorney, Agent or Firm: Presson; Jerry M., Tarnoff; David L.
An electrical enclosure having a base, a cover, and hinge pivotally connecting the base and cover. The cover has a pair of ears, each provided with a key hole for receiving hinge pins mounted on the base. The pivot pins are provided with keys that align with notch portions of the key holes when the cover is disposed at an obtuse angle, preferably about 180.degree. with respect to the base. After assembly, the base is connected to a support which limits the range of pivotal movement of the cover to an angle less than 180.degree. so that the keys and notch portions can no longer be aligned. The base and cover have top, bottom and two side walls of substantially the same depth and the cover bottom wall has two cord receiving recesses extending inwardly about one-half the depth of the bottom wall to minimize the radius of bending of the cords inside the enclosure and minimize the size of the recesses. |
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DETAILED DESCRIPTION The present invention obviates the disadvantages and limitations of the previous weatherproof covers and outlet boxes while providing security against unauthorized access and tampering of the electrical receptacle. Accordingly, a primary object of the invention is to provide a tamper resistant electrical enclosure which is sufficiently weatherproof for outdoor use and which minimizes electrical cord bending. Another object of the invention is to provide an electrical enclosure and particularly an outlet box that is simple and inexpensive to manufacture, assemble and use and that has a relatively few number of parts. Another object of the invention is to provide an electrical enclosure having a tamper resistant hinge which can be easily assembled and manufactured, and where the cover portion of the outlet box cannot be easily separated from the base when the outlet box is in use. The foregoing objects are basically attained by providing an electrical enclosure, the combination comprising: a cover having top, bottom and two side walls, and a front wall defining a first cavity therein; a base having top, bottom and two side walls, and a rear wall defining a second cavity therein; and means, coupled to said cover and base, for pivotally coupling said cover and base, said cover bottom wall having at least one recess therein adapted to receive an electrical cord therein, said recess having an axial length equal to about one-half the depth of said cover bottom wall. Other objects and advantages of the invention will become apparent from the following detailed description, which when taken in conjunction with the drawings, discloses preferred embodiments of the invention.
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