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| Shutter assembly for a luminaire |
| OF THE PREFERRED EMBODIMENT Having reference now to the drawing, a framing shutter assembly ... |
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| Friction-mountable hanger |
| OF THE INVENTION The single mounting arm hanger of the invention will be described first with ... |
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| Protected coating for energy efficient lamp |
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| Vehicle signal lighting unit |
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| Reflective type light-emitting diode |
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| Artificial flower lamp assembly |
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| Electrical component having formed leads |
| OF THE PREFERRED EMBODIMENT While the specification concludes with claims defining the features of ... |
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Fully rotatable recessed light fixture with movable stop and adjustable length bar hanger
| Details |
Inventors: Doubek, David Edwin; Czech, Ken Walter; Gardner, Louise Mamerow; Ziobro, David Jude; Meyer, Rick Otto;
Assignee: Cooper Industries, Inc. (Houston, TX)
Primary Examiner: O'Shea; Sandra
Assistant Examiner: Negron; Ismael
Attorney, Agent or Firm: Fish & Richardson P.C.
An adjustable recessed light fixture comprises a lamp positionable in orientations wherein the light beam is inclined obliquely relative to a vertical axis, and wherein the inclined light beam can be rotated about the vertical axis. A movable stop is provided which enables the lamp to be rotated in a complete 360.degree. range of rotation. A housing which covers the light fixture includes a removable top wall which provides an effective thermal insulation for the housing. A trim ring is installable such that torsion springs of the trim ring are effectively held within a rotatable spin disc of the light fixture. The lamp can be rotated about a horizontal axis in a manner wherein only a minimal portion of a light beam is cut off by a reflector. A bar hanger for hanging a light fixture frame to a ceiling joist includes relatively slidable rails, wherein ends of the rails can be broken off to shorten the bar hanger without having to disconnect the rails from one another. |
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DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS OF THE INVENTION Depicted in FIG.
1 is a recessed light fixture 10 in which the direction of the lamp beam is adjustable to different angles relative to vertical, as well as being rotatable about a vertical axis.
The fixture 10 includes a frame 12 which includes loops 14 affixed along side edges thereof, the loops adapted to receive adjustable bar hangers 200 (see FIG.
17) for attaching the frame to ceiling joists.
A rotary device 16 (see also FIGS.
2-4) is mounted in a circular aperture of the frame for rotation about a vertical axis.
Mounted on the rotary device is a support member 18 which projects above an upwardly facing top surface 19 of the frame.
The support member 18 is rotatable relative to the rotary ring about a horizontal axis A1 (see FIG.
2) located at lower ends of two vertical legs 20 of the support member 18.
Mounted on a table portion 21 of the support member 18 is a lamp assembly 22 (shown in FIG.
1) which includes a heat shield 24, a downwardly projecting lamp (not shown) disposed within the heat shield, and a lens (not shown) covering a bottom of the lamp.
The lamp assembly is described in greater detail in U.
S.
application Ser.
No.
08/796,583 filed Feb.
6, 1997, the disclosure of which is incorporated herein by reference.
The lamp projects a beam downwardly through an aperture 26 formed in the table portion 21.
An inner housing or can 2 is fastened to the frame 12 by screws or rivets 23 (FIG.
5) to encase the light assembly 22 and resist the transfer of heat above the ceiling plenum.
It will be appreciated that by rotating the support member 18 about the horizontal axis A1, the inclination of the light beam relative to vertical can be varied.
By rotating the rotary device 16 about a vertical axis when the beam is inclined, the beam can be swung in a circular pattern.
If the device 16 were able to be continuously rotated in either direction, it is possible that the wiring connected to the lamp could become twisted and damaged
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Light Fixtures 
