GB533209A - Improvements in and relating to electric battery lamps - Google Patents

Improvements in and relating to electric battery lamps

Info

Publication number
GB533209A
GB533209A GB28201/39A GB2820139A GB533209A GB 533209 A GB533209 A GB 533209A GB 28201/39 A GB28201/39 A GB 28201/39A GB 2820139 A GB2820139 A GB 2820139A GB 533209 A GB533209 A GB 533209A
Authority
GB
United Kingdom
Prior art keywords
produced
die
punch
battery
electric battery
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
GB28201/39A
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.)
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 GB28201/39A priority Critical patent/GB533209A/en
Publication of GB533209A publication Critical patent/GB533209A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L4/00—Electric lighting devices with self-contained electric batteries or cells

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

533,209. Electric battery lamps. MANSILL, G. A. Oct. 19, 1939, Nos. 28201 and 31128. [Class 39 (ii)] [Also in Group XXII] The parts 1, 2, 3 of a battery casing suitable for use as a torch or a cycle lamp are made by a hot die-stamping process. The body 1 is produced in a two-part die 16 under the action of punches 17, 18 and a stripper 19 which also closes the die to form one edge of the forging. The web 6 is punched and tapped to receive the lamp bulb and may be curved and provided with a reflecting surface. The ends are threaded for the attachment of the lens mount 2 and the cap 3 which is large enough substantially to contain the battery, and is produced by a shouldered punch in the two-part die, the punch being recessed to form the contact 14 The lens mount is also produced by a shouldered punch, the lens opening being punched afterwards. A spring 8 breaks the circuit except when compressed by screwing the cap further into the body.
GB28201/39A 1939-10-19 1939-10-19 Improvements in and relating to electric battery lamps Expired GB533209A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28201/39A GB533209A (en) 1939-10-19 1939-10-19 Improvements in and relating to electric battery lamps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28201/39A GB533209A (en) 1939-10-19 1939-10-19 Improvements in and relating to electric battery lamps

Publications (1)

Publication Number Publication Date
GB533209A true GB533209A (en) 1941-02-07

Family

ID=10271899

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28201/39A Expired GB533209A (en) 1939-10-19 1939-10-19 Improvements in and relating to electric battery lamps

Country Status (1)

Country Link
GB (1) GB533209A (en)

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