Illumination – With static structure – Wall or ceiling
Patent
1997-06-16
1999-10-19
O'Shea, Sandra
Illumination
With static structure
Wall or ceiling
362147, 362365, 362396, F21S 100
Patent
active
059676400
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
The present invention relates to a fixture and an attachment device to be mounted in a mounting hole in a ceiling, wherein a fixture of a recessed type or an exposed direct fitting type, such as a lamp casing, an alarm fixtures or the like can be selectively fitted as needed.
BACKGROUND ART
Here, the description is given centering around a downlight fixture, that is often used for shop lighting, as an example. The downlight employs a structure that an internally mirror-finished and wired housing is inserted and fixed to a mounting hole which is previously drilled in a ceiling panel and a light source bulb is fitted to the housing.
Since the drilled hole cannot be repositioned and cannot be diverted to purposes other than downlight fixtures, the entire ceiling panel has to be replaced with a new ceiling panel when the room is reformed after years.
In addition, for the insertion and fixing of the housing to the mounting hole, too, an apparatus formation to satisfy both the efficiency of fixing operation and the stability of fixing is indispensable.
As lighting becomes diversified and the interior technique has made progress, recent reforming, including the seasonal reforming of room interiors and lighting means suitable for individual types of displayed articles, is done now frequently.
As the result of diversification in lighting, in addition to conventional incandescent lamps, various types of light source bulbs have been developed, including energy saving, high efficiency and light-color-improved high luminance discharge tubes and fluorescent tubes (FDL), and various lighting circuit means and various shapes of housings and attachments that are applicable for these light sources are provided.
In designing an effect lighting, a light source to be adopted is set by simulation, taking into account the colors and reflection characteristic of interior media as well as the ceiling height of the construction site. Light representation, light source positioning and light source types are determined by taking the layout of articles and pieces of furniture into account.
Changes immediately before completion and rebuilding the ceiling surface in each reforming is quite inconvenient as it requires additional labor and costs and the closure of the shop during construction.
In shops, hotels and restaurants, legally obliged equipment such as smoke sensors, heat sensors, emergency lamps and speakers that are nonuniform in both color and shape are irregularly fitted to ceiling surfaces and make ceiling interior details ugly.
The object of the invention is to provide the fitting of various downlight fixtures with ease of adjustment immediately before completion and ease of changing in reforming. Namely, the first object is ease of fixing to and removal from the mounting hole and that solid fitting and stopping is possible, and further, that the mounting hole drilled in the ceiling surface can be jointly used for multiple purposes and functions, that the beauty as a facility can be maintained and that a permanent use of the ceiling facility can be made possible.
In the case of a conventional downlight fixture, it is inserted from underneath into the mounting hole drilled in the fitting surface beforehand and is held by a spring member that protrudes from the wall side of the fixture body and holds an edge of the mounting hole. As another hanging means, a means by which, after inserting the fixture into the mounting hole, stopping pieces provided on the wall sides of a fixture body are drawn down by inserting fingers inside the fixture (an inner space to mount a lamp) and are pressed against the hole edge, is employed.
However, by the hanging using the elasticity of said spring member, the thrust force to the mounting hole is limited and the engagement is unstable. In addition, it is not always possible to reuse the fixture after reforming the ceiling since the spring's elasticity is degraded by forced pulling. On the other hand, said stopping piece draw-down means has a drawback in that the attaching ope
REFERENCES:
patent: 2602881 (1952-07-01), Pryne
patent: 2744716 (1956-05-01), Zingone
patent: 4048491 (1977-09-01), Wessman
patent: 4167033 (1979-09-01), Fletcher
patent: 4419717 (1983-12-01), Price et al.
patent: 4450512 (1984-05-01), Kristofek
patent: 4475147 (1984-10-01), Kristofek
patent: 5068772 (1991-11-01), Shapiro et al.
patent: 5077650 (1991-12-01), Cestari
patent: 5377088 (1994-12-01), Lecluze
Katougi Masayuki
Moriyama Hideo
Murata Kazuaki
Moriyama Sangyo Kabushiki Kaisha
O'shea Sandra
Ward John A.
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