GB478782A - Nut device for electric lamp holders and other screw-threaded articles - Google Patents

Nut device for electric lamp holders and other screw-threaded articles

Info

Publication number
GB478782A
GB478782A GB794337A GB794337A GB478782A GB 478782 A GB478782 A GB 478782A GB 794337 A GB794337 A GB 794337A GB 794337 A GB794337 A GB 794337A GB 478782 A GB478782 A GB 478782A
Authority
GB
United Kingdom
Prior art keywords
screw
electric lamp
lamp holders
nut device
threaded articles
Prior art date
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
Application number
GB794337A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB794337A priority Critical patent/GB478782A/en
Publication of GB478782A publication Critical patent/GB478782A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F21V17/06—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 lampholder

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

478,782. Nuts. McLEAN, J. March 18, 1937, No. 7943. [Class 89 (i)] [Also in Group XI] A nut for a screw-threaded article, e.g. for attaching a lampshade to an electriclamp holder, comprises a metallic ring 1 having at one end an inturned flange 2 provided with a plurality of inwardly directed tongues 3 to engage the screw-threads of the article, and at the other end an overturned outwardly directed flange 6 with external serrations, corrugations, or the like. Specifications 10753/12 and 482/15, [both in Class 75 (ii)], are referred to. Reference has been directed by the Comptroller to Specifications 10753/12 and 482/15.
GB794337A 1937-03-18 1937-03-18 Nut device for electric lamp holders and other screw-threaded articles Expired GB478782A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB794337A GB478782A (en) 1937-03-18 1937-03-18 Nut device for electric lamp holders and other screw-threaded articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB794337A GB478782A (en) 1937-03-18 1937-03-18 Nut device for electric lamp holders and other screw-threaded articles

Publications (1)

Publication Number Publication Date
GB478782A true GB478782A (en) 1938-01-25

Family

ID=9842751

Family Applications (1)

Application Number Title Priority Date Filing Date
GB794337A Expired GB478782A (en) 1937-03-18 1937-03-18 Nut device for electric lamp holders and other screw-threaded articles

Country Status (1)

Country Link
GB (1) GB478782A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464309A (en) * 1967-10-02 1969-09-02 Scovill Manufacturing Co Bridge washer
US4236385A (en) * 1979-04-23 1980-12-02 Intimate Jewels Inc. Earring
FR2494354A1 (en) * 1980-11-19 1982-05-21 Microdot Inc AXLE-NUT FIXING DEVICE
US4990044A (en) * 1982-03-19 1991-02-05 Daniel Kimak Threaded push-on fastener
FR2741700A1 (en) * 1995-11-24 1997-05-30 Boban Leonard Fixing device for fixing lamp shade to table lamp base by clip fastening

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3464309A (en) * 1967-10-02 1969-09-02 Scovill Manufacturing Co Bridge washer
US4236385A (en) * 1979-04-23 1980-12-02 Intimate Jewels Inc. Earring
FR2494354A1 (en) * 1980-11-19 1982-05-21 Microdot Inc AXLE-NUT FIXING DEVICE
US4990044A (en) * 1982-03-19 1991-02-05 Daniel Kimak Threaded push-on fastener
FR2741700A1 (en) * 1995-11-24 1997-05-30 Boban Leonard Fixing device for fixing lamp shade to table lamp base by clip fastening

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