A lamp comprising a body having an axially extending inwardly facing surface and an annular radial surface extending radially inwardly with respect to the axially extending surface. An annular seal is mounted on the radial surface. A lens has a light transmitting wall and an annular wall extending axially with respect to the light transmitting wall into the body. The axial end of the annular wall of the lens has a groove therein into which the annular seal extends.
To permit sufficient illumination for a plastic-sealed general purpose lamp, a bulb is encased in plastic and sealed, with the plastic shell of the lamp having wide parallel faces, one of which may include a reflector to focus light. The lamps may be battery or AC controlled and have a handle for holding them and a magnet mounted in them for mounting to a surface magnetically. To control the intensity and location of the light flux emitted from the lamp, a plastic lens and reflector may be incorporated in the lamp with the inner light bulb between the two. For greater power dissipation, dead space of approximately two cubic inches is placed around the lamp in some embodiments.
The invention is an emergency illumination apparatus for use in areas where the presence of gases, vapors, dust, or combustible matter makes the use of conventional apparatus hazardous. The apparatus has a front compartment and a rear, explosion proof compartment that is separated, from the front apartment, by a divider wall. This divider wall has sealed light sockets on the front compartment side. Furthermore, the rear compartment has sealed electrical connections to at least two independent power sources.
The invention relates to an airfield light, principally for marking aircraft parking lots, routes for ground staff, etc. It should be readily visible from all sides and from any angle, even in the poorest environmental conditions and from a relatively long distance. It consists of a light source which is arranged in a housing and radiates light in a hemisphere through at least one lens installed in the housing, the light beam (1) in the zenith of the hemisphere having a luminous intensity which is at least 20 percent higher than in the region (13) between 10 and 30 degrees above the lowermost radiant edge (2).
A transom light includes a lamp and a shroud attached to the lamp. The shroud includes a hollow part and a flange, both arranged substantially concentrically relative to a central axis of the lamp. The hollow part is adapted to receive the lamp therein, and the shroud flange is axially received within a transparent lens such that it is surrounded by an axially projecting lip upstanding from the lens. A gasket is disposed axially against the shroud flange opposite the lens so as to axially overlap both the shroud flange and the lip of the lens. An arrangement is provided for securing the lens, shroud flange and gasket to a watercraft hull, with the lamp and the hollow part of the shroud received in an opening in the hull. Structure is provided on the lens to retain thereon a decorative bezel arrangement.
A light assembly for a motor vehicle has a reflector with an opening at the rear and a collar extending from about the opening, and a socket which fits through the opening and has a first end for holding a bulb and a second end with a locking device thereon which engages with another locking device in the outer surface of the collar, with a supplemental reflector also preferably provided at the first end of the socket.
