US2321488A - Black-out light shade and protector - Google Patents

Black-out light shade and protector Download PDF

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Publication number
US2321488A
US2321488A US425924A US42592442A US2321488A US 2321488 A US2321488 A US 2321488A US 425924 A US425924 A US 425924A US 42592442 A US42592442 A US 42592442A US 2321488 A US2321488 A US 2321488A
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Prior art keywords
shield
collar
segment
protector
opaque
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Expired - Lifetime
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US425924A
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Hughes Lester Wheeler
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Individual
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/08—Controlling the distribution of the light emitted by adjustment of elements by movement of the screens or filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment

Definitions

  • the invention relates to improvements in light protection and visibility for industrial and domestic use.
  • Figure 2 is a top plan view.
  • Figure 3 is a transverse sectional view taken substantially on a line 33 of Figure 1.
  • Figure 4 is a fragmentary side elevational view showirg the guide block for the upper end of the opaque shield
  • Figure 5 is a fragmentary side elevational view showing the catch for securing the collar in position to the bulb.
  • the numeral 5 designates a split collar adapted for securing the position on a lamp socket, immediately above the lamp, the collar being composed of a pair of sections 6 and 1 having eyes 8 and 9 at one end overlying each other and through which a hinge pin I0 is inserted to hingedly connect the sections 6 and I in position.
  • a split spring ring ll Secured to the inner surface of the section I is a split spring ring ll adapted for clamping engagement with the lamp socket (not shown). the split ring ll being secured to the section I of the collar by a rivet I2.
  • the free ends of the sections 6 and I are disposed in overlapping relation as shown in Figure 2 of the drawing, one of the overlapping ends having a slot l3 formed therein and the other overlapping end of the section of the collar having a pin l4 journaled therein provided with a head I5 at its inner end adapted to be withdrawn through the slot l3 when the head is aligned therewith and the head I5 is adapted to bear against the split ring II to clamp the same in engagement with the lamp socket, upon a turning movement of the pin M.
  • the pin I4 is formed with a non-circular recess IE to receive a tool for manipulating the head l5 into and out of its locking position.
  • the sections 6 and I of the collar are preferably constructed of plastic material and projecting from the lower edge of the section B is a transparent shield II while projecting from the lower edge of the section I of the collar is an opaque shield l8.
  • the shields II and I8 are of segmental form r with their edges in overlapping relation as shown in Figure 3 of the drawing and of a shape substantially similar to that of an electric light bulb positioned therein so that the shield segments I1 and IB combine to enclose the bulb.
  • a stud I9 Projecting from the section 6 of the collar adjacent its pivoted end is a stud I9 projecting through a slot 20 formed in an annular segment 2
  • the bottom of the segment I? is formed with a threaded stud 24 on which the lower end of the shield 22 is pivoted, the shield being secured in adjusted position by a nut 25 threaded on the stud 24.
  • the shield segments I1 and I8 are secured in position about a bulb, rays of light from the bulb being excluded at one side thereof by reason of the opaque shield segment I8 while light may be projected from the opposite side of the bulb through the transparent or translucent shield II.
  • the shield 22 may be moved into a position for covering or uncovering the shield segment I! so that rays of light may also be concealed therefrom and the entire bulb covered by the opaque segments I8 and 22,
  • a lamp shield comprising a pair of lamp enclosing segments, one segment being transparent and the other segment being opaque, a sectional collar carried by the segments for securing the segments on the lamp, a second opaque segment, and means for slidably securing the last-named segment on one section of the collar in covering position with respect to the transparent segment.
  • Alamp shield comprising a pair of lamp enclosing segments, one segment being transparent and the other segment being opaque, a sectional collar carried by the segments for securing the segments on the lamp, a second opaque segment, and means for slidably attaching the last-named segment to the section of the collar of the transparent segment for movement of the former into and out of covering position with respect to the latter.
  • a lamp shield comprising a split collar adapted for embracing a lamp socket, a split spring ring carried by the collar and adapted for clamping to the socket, means carried by the collar for securing the split sections thereof together, a shield carried by each sectionof the collar and cooperating to enclose a lamp mounted in the socket, one shield being opaque and the other shield being transparent, a second opaque shield partly enclosing said first-named shields, and means for adiustably securing said last-named shield on one of the first-named shields.

Description

June 8, 1943. 1.. w. HUGHES 2,321,488
BLACKOUT LIGHT SHADE AND PROTECTOR Filed Jan. 7, 1942 Imi'entar .Zesfak W 159% Patented June 8, 1943 UNITED STATES PATENT OFFICE BLACK-OUT LIGHT SHADE AND PROTECTOR Lester Wheeler Hughes, Newport, R. I.
Application January 7, 1942, Serial No. 425,924
3 Claims.
The invention relates to improvements in light protection and visibility for industrial and domestic use.
In the drawing, wherein like numerals refer to like parts throughout- Figure 1 is a side elevational view.
Figure 2 is a top plan view.
Figure 3 is a transverse sectional view taken substantially on a line 33 of Figure 1.
Figure 4 is a fragmentary side elevational view showirg the guide block for the upper end of the opaque shield, and
Figure 5 is a fragmentary side elevational view showing the catch for securing the collar in position to the bulb.
Referring now to the drawing in detail, the numeral 5 designates a split collar adapted for securing the position on a lamp socket, immediately above the lamp, the collar being composed of a pair of sections 6 and 1 having eyes 8 and 9 at one end overlying each other and through which a hinge pin I0 is inserted to hingedly connect the sections 6 and I in position.
Secured to the inner surface of the section I is a split spring ring ll adapted for clamping engagement with the lamp socket (not shown). the split ring ll being secured to the section I of the collar by a rivet I2.
The free ends of the sections 6 and I are disposed in overlapping relation as shown in Figure 2 of the drawing, one of the overlapping ends having a slot l3 formed therein and the other overlapping end of the section of the collar having a pin l4 journaled therein provided with a head I5 at its inner end adapted to be withdrawn through the slot l3 when the head is aligned therewith and the head I5 is adapted to bear against the split ring II to clamp the same in engagement with the lamp socket, upon a turning movement of the pin M. The pin I4 is formed with a non-circular recess IE to receive a tool for manipulating the head l5 into and out of its locking position.
The sections 6 and I of the collar are preferably constructed of plastic material and projecting from the lower edge of the section B is a transparent shield II while projecting from the lower edge of the section I of the collar is an opaque shield l8.
The shields II and I8 are of segmental form r with their edges in overlapping relation as shown in Figure 3 of the drawing and of a shape substantially similar to that of an electric light bulb positioned therein so that the shield segments I1 and IB combine to enclose the bulb.
Projecting from the section 6 of the collar adjacent its pivoted end is a stud I9 projecting through a slot 20 formed in an annular segment 2| formed at the upper end of a shield segment 22 of opaque material, the segment 22 is secured in adjusted position by a nut 23 threaded on the stud l9.
The bottom of the segment I? is formed with a threaded stud 24 on which the lower end of the shield 22 is pivoted, the shield being secured in adjusted position by a nut 25 threaded on the stud 24.
In the operation of the device the shield segments I1 and I8 are secured in position about a bulb, rays of light from the bulb being excluded at one side thereof by reason of the opaque shield segment I8 while light may be projected from the opposite side of the bulb through the transparent or translucent shield II.
The shield 22 may be moved into a position for covering or uncovering the shield segment I! so that rays of light may also be concealed therefrom and the entire bulb covered by the opaque segments I8 and 22,
It is believed the details ofv construction, operation and manner of use of the device will be readily understood from the foregoing without further detailed explanation.
Having described the invention, what claimed as new is:
1. A lamp shield comprising a pair of lamp enclosing segments, one segment being transparent and the other segment being opaque, a sectional collar carried by the segments for securing the segments on the lamp, a second opaque segment, and means for slidably securing the last-named segment on one section of the collar in covering position with respect to the transparent segment.
2. Alamp shield comprising a pair of lamp enclosing segments, one segment being transparent and the other segment being opaque, a sectional collar carried by the segments for securing the segments on the lamp, a second opaque segment, and means for slidably attaching the last-named segment to the section of the collar of the transparent segment for movement of the former into and out of covering position with respect to the latter.
3. A lamp shield comprising a split collar adapted for embracing a lamp socket, a split spring ring carried by the collar and adapted for clamping to the socket, means carried by the collar for securing the split sections thereof together, a shield carried by each sectionof the collar and cooperating to enclose a lamp mounted in the socket, one shield being opaque and the other shield being transparent, a second opaque shield partly enclosing said first-named shields, and means for adiustably securing said last-named shield on one of the first-named shields.
LESTER WHEELER HUGHES.
US425924A 1942-01-07 1942-01-07 Black-out light shade and protector Expired - Lifetime US2321488A (en)

Priority Applications (1)

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US425924A US2321488A (en) 1942-01-07 1942-01-07 Black-out light shade and protector

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US425924A US2321488A (en) 1942-01-07 1942-01-07 Black-out light shade and protector

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US2321488A true US2321488A (en) 1943-06-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491448A (en) * 1946-12-10 1949-12-13 Hill Rom Co Inc Floor lamp
US4470103A (en) * 1980-01-09 1984-09-04 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Combined direct-indirect lighting photographic scene illumination device
CN105090885A (en) * 2015-10-11 2015-11-25 张娇 Table lamp lampshade with rotary light-shading function and application method
US20170089538A1 (en) * 2015-09-25 2017-03-30 GM Global Technology Operations LLC Headlamp assembly with rotating bezel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491448A (en) * 1946-12-10 1949-12-13 Hill Rom Co Inc Floor lamp
US4470103A (en) * 1980-01-09 1984-09-04 Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen Mbh Combined direct-indirect lighting photographic scene illumination device
US20170089538A1 (en) * 2015-09-25 2017-03-30 GM Global Technology Operations LLC Headlamp assembly with rotating bezel
US9903556B2 (en) * 2015-09-25 2018-02-27 GM Global Technology Operations LLC Light assembly with concurrently rotating masks
CN105090885A (en) * 2015-10-11 2015-11-25 张娇 Table lamp lampshade with rotary light-shading function and application method

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