GB534307A - Improvements in or relating to electric lighting units - Google Patents

Improvements in or relating to electric lighting units

Info

Publication number
GB534307A
GB534307A GB31267/39A GB3126739A GB534307A GB 534307 A GB534307 A GB 534307A GB 31267/39 A GB31267/39 A GB 31267/39A GB 3126739 A GB3126739 A GB 3126739A GB 534307 A GB534307 A GB 534307A
Authority
GB
United Kingdom
Prior art keywords
hood
relating
reflector
contacts
lighting units
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
GB31267/39A
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.)
Westinghouse Electric International Co
Original Assignee
Westinghouse Electric International Co
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 Westinghouse Electric International Co filed Critical Westinghouse Electric International Co
Publication of GB534307A publication Critical patent/GB534307A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14Bayonet-type fastening

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

534,307. Securing reflectors; lampholders. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Dec. 1, 1939, No. 31267. Convention date, April 13. [Class 75 (ii)] [Also in Group XXXVI] To facilitate attachment &c. of a reflector 13 in a hood 10, the reflector is made with a neck portion 14 having on it projections 19 which enter internal recesses 17, Fig. 2, on the hood and move up on a partial rotation till they drop into depressions 18. This movement forces up a member 22 to ensure contact between contacts 37, 38, Fig. 9, on it with the fingers 32 on contacts 26, 27, Fig. 6, carried by an upper member 21 resiliently supported from the neck of the hood by bolts 23 surrounded by springs 25.
GB31267/39A 1939-04-13 1939-12-01 Improvements in or relating to electric lighting units Expired GB534307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US267576A US2264687A (en) 1939-04-13 1939-04-13 Lighting unit

Publications (1)

Publication Number Publication Date
GB534307A true GB534307A (en) 1941-03-04

Family

ID=23019368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31267/39A Expired GB534307A (en) 1939-04-13 1939-12-01 Improvements in or relating to electric lighting units

Country Status (2)

Country Link
US (1) US2264687A (en)
GB (1) GB534307A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917620A (en) * 1955-12-14 1959-12-15 Arras George Fixture connection
US3871732A (en) * 1973-06-21 1975-03-18 Arthur I Appleton Light socket with auxiliary contact
US4415213A (en) * 1981-11-02 1983-11-15 The Bendix Corporation Hermaphrodite electrical connector
DE8424654U1 (en) * 1984-08-20 1985-12-19 Allied Corp., Morristown, N.J. Connectors, in particular circular connectors
US6713711B2 (en) 2001-11-09 2004-03-30 Thermal Dynamics Corporation Plasma arc torch quick disconnect
US8267710B2 (en) * 2005-02-23 2012-09-18 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Connection apparatus
US7726994B1 (en) 2009-01-30 2010-06-01 Itt Manfacturing Enterprises, Inc. Electrical connector for a helmet-mounted night vision system
US7740499B1 (en) * 2009-02-11 2010-06-22 Itt Manufacturing Enterprises, Inc. Electrical connector including a bayonet locking device

Also Published As

Publication number Publication date
US2264687A (en) 1941-12-02

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