GB517191A - Improvements relating to electric lamps - Google Patents

Improvements relating to electric lamps

Info

Publication number
GB517191A
GB517191A GB21774/38A GB2177438A GB517191A GB 517191 A GB517191 A GB 517191A GB 21774/38 A GB21774/38 A GB 21774/38A GB 2177438 A GB2177438 A GB 2177438A GB 517191 A GB517191 A GB 517191A
Authority
GB
United Kingdom
Prior art keywords
improvements relating
electric lamps
lucas
claws
reflector
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
GB21774/38A
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.)
ZF International UK Ltd
Original Assignee
Joseph Lucas Ltd
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 Joseph Lucas Ltd filed Critical Joseph Lucas Ltd
Priority to GB21774/38A priority Critical patent/GB517191A/en
Publication of GB517191A publication Critical patent/GB517191A/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
    • F21V17/10—Fastening 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
    • F21V17/16—Fastening 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 by deformation of parts; Snap action mounting
    • F21V17/164—Fastening 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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/323—Optical layout thereof the reflector having two perpendicular cross sections having regular geometrical curves of a distinct nature

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

517,191. Vehicle &c. lamps.. LUCAS, Ltd., J., and LUCAS, O. July 22, 1938, No. 21774. [Classes 75 (ii) and 75 (iv)] The reflector d of an electric lamp is secured against a rubber washer f in a recess c in the glass lamp front a by the pressure of springs carried by a clip g comprising arms formed at their ends with claws h-engaging recesses i. in the peripheral portion of the front a. The front a, reflector d and clip g form a unit which can be secured to the lamp body b by a screw. o. The claws h are preferably formed with grooves g in which the body b fits.
GB21774/38A 1938-07-22 1938-07-22 Improvements relating to electric lamps Expired GB517191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB21774/38A GB517191A (en) 1938-07-22 1938-07-22 Improvements relating to electric lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21774/38A GB517191A (en) 1938-07-22 1938-07-22 Improvements relating to electric lamps

Publications (1)

Publication Number Publication Date
GB517191A true GB517191A (en) 1940-01-23

Family

ID=10168562

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21774/38A Expired GB517191A (en) 1938-07-22 1938-07-22 Improvements relating to electric lamps

Country Status (1)

Country Link
GB (1) GB517191A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647984A (en) * 1949-10-22 1953-08-04 Gen Motors Corp Headlight bezel ring mounting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2647984A (en) * 1949-10-22 1953-08-04 Gen Motors Corp Headlight bezel ring mounting

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