US1465333A - Flexible shade for electric lamps - Google Patents

Flexible shade for electric lamps Download PDF

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Publication number
US1465333A
US1465333A US422489A US42248920A US1465333A US 1465333 A US1465333 A US 1465333A US 422489 A US422489 A US 422489A US 42248920 A US42248920 A US 42248920A US 1465333 A US1465333 A US 1465333A
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United States
Prior art keywords
bulb
ring
envelope
shade
electric lamps
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US422489A
Inventor
Frank M Ashley
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Individual
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Individual
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Priority to US422489A priority Critical patent/US1465333A/en
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Publication of US1465333A publication Critical patent/US1465333A/en
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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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F21V3/023—Chinese lanterns; Balloons
    • 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
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Description

Aug. 21, 1923. R 1,465,333 F. M. ASHLEY FLEXIBLE SHADE FOR ELECTRIC LAMPS Filed Nov. s.' 1920 INVENTOR shade.
Patented Aug. 21, 1923.
PATENT OFFICE.
FRANK M. ASHLEY, OF NEW YORK, N. Y.
FLEXIBLE SHADE FOR ELECTRIC LAIEPS.
Application filed November To all whom it may concern: 7
Be it known that I, FRANK M. AsHLnY, a citizen of the United States,-and resident of the city of New York, in the county of Kings and State of New York, have invented certain new and useful Improvements in Flexible Shades for Electric Lamps, of which the following is a specification.
My invention relates to shades for electric lamps and the object of my invention is to provide a flexible translucent shade hat can be easily attached to the bulb of an incandescent lamp and envelop the same.
The drawing is a fragmentary view of my improved shade showing an electric bulbtherein.
deferring to the drawing which forms a part of this specification, A indicates an in candescent electric light bulb and B an en velope of thin flexible rubber. C indicates a ring of asbestos or other suitablematerial which is slipped over the small diameter of the bulb or may be made large enough to fit nearer to the larger end if desired, and fits air-tight thereon. This ring C is provided with a circumferentially extending groove (3 on which the reinforced band B of the en velope B tightly flts. The circumference of the upper part of the opening of the ring G is larger than the circumference of the lower part of the opening soto conform to the sloping sides of an electric bulb. D and D are check-valves of simple construction fixed on the envelope and through which air or other suitable gas is introduced to inflate the envelope A small tube with a conical end to fit the conically formed inlet D may be employed for this purpose, if desired. Artistic painting or advertising matter may be impressed or otherwise placed upon the en velope and displayedv if desired. Rubber such as used in the making of toy balloons may be used and has been found satisfactory material from which to make the envelope or The ring (I prevents the heat generated in the bulb from injuring the rubber and this ring may be made considerably larger than shown in the drawing, if desired.
When the envelope is fully inflatedv and the lamp is operating the lightshines through the shade. The less the envelope is inflated, the less light shines through and therefore the 7 degree of brightness can be controlled to a 8, i220. Serial No. 422,489.
considerable degree by changing the thickness of the envelope as the same is relatively deflated. \Vhen the envelope B is inflated the ring C will be subjected to a pulling stress which will cause the ring to more tightly grip the electric light bulb A.
Having thus described my invention, I claim as new:
l. The combination of an electric incandescent lamp comprising a glass bulb, a ring mounted on the glass surface thereof in airtight relation therewith, and an expansiblc shade portion comprising a band which fits over said ring in air-tight relation therewith and is carried thereby.
2. A shade adapted to enclose a lamp bulb in air-tight relation, comprising an elastic envelope having an openingwith a reinforced elastic edge and a ring having its inner surface adaptedto lit the surface of the bulb and having a groove, in which the edge of said opening fits.
3. fr flexible shade adapted to enclose a lamp bulb in air-tight relation, comprising a elastic envelope having an opening with a reinforced elastic edge and a heat insulating ring having its inner surface adapted to fit the surrace of the bulb and having a groove, in which the edge of said opening fits, and a valve ineans through which said shade may be inflated.
l. A flexible shade comprising an envelope, a lamp bulb, gas interposed between the envelope and the bulb, and a ring adapted to be pressed against the bulb by means of the gas in the envelope and means connecting the envelope and ring in air tight relation.
5. A flexible shade comprising an envelope supported by a bulb and having an opening in the envelope, gas being interposed between the envelope and bulb, a ring adapted to rest on the lower part of the bulb, the circumference of the opening in the upper part of the ring being greater than the circumference of the lower part thereof whereby the ring may be wedged on the bulb when the shade is inflated and means connecting the shade and the ring.
Si ned at New York city, in the county of and tatate of New York this 6th day of November A. D. 1920.
FRANK M. ASHLEY.
III
l l y
US422489A 1920-11-08 1920-11-08 Flexible shade for electric lamps Expired - Lifetime US1465333A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US422489A US1465333A (en) 1920-11-08 1920-11-08 Flexible shade for electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US422489A US1465333A (en) 1920-11-08 1920-11-08 Flexible shade for electric lamps

Publications (1)

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US1465333A true US1465333A (en) 1923-08-21

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542361A (en) * 1946-05-10 1951-02-20 Gerald S Roxburgh Toy balloon with internal illumination
EP0295089A2 (en) * 1987-06-10 1988-12-14 The F.J. Westcott Co. Light modifier and method for modifying light
US5143443A (en) * 1990-08-31 1992-09-01 Integrated Systems Engineering, Inc. Light permeable, color adding, self-securing stressed covers for large display light-emitting devices, and methods
US20120020076A1 (en) * 2010-01-21 2012-01-26 Polygroup Macau Limited (Bvi) Inflatable decorative structure with a light system and a diffusing mechanism

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2542361A (en) * 1946-05-10 1951-02-20 Gerald S Roxburgh Toy balloon with internal illumination
EP0295089A2 (en) * 1987-06-10 1988-12-14 The F.J. Westcott Co. Light modifier and method for modifying light
EP0295089A3 (en) * 1987-06-10 1990-01-03 The F.J. Westcott Co. Light modifier and method for modifying light
US5143443A (en) * 1990-08-31 1992-09-01 Integrated Systems Engineering, Inc. Light permeable, color adding, self-securing stressed covers for large display light-emitting devices, and methods
US20120020076A1 (en) * 2010-01-21 2012-01-26 Polygroup Macau Limited (Bvi) Inflatable decorative structure with a light system and a diffusing mechanism
US8469538B2 (en) * 2010-01-21 2013-06-25 Polygroup Macau Limited (Bvi) Inflatable decorative structure with a light system and a diffusing member

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