GB528076A - Improvements in electric battery lamps of the safety or like types - Google Patents

Improvements in electric battery lamps of the safety or like types

Info

Publication number
GB528076A
GB528076A GB12573/39A GB1257339A GB528076A GB 528076 A GB528076 A GB 528076A GB 12573/39 A GB12573/39 A GB 12573/39A GB 1257339 A GB1257339 A GB 1257339A GB 528076 A GB528076 A GB 528076A
Authority
GB
United Kingdom
Prior art keywords
electric battery
safety
types
battery
battery lamps
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
GB12573/39A
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.)
WILLIAM EWART SMITH
Original Assignee
WILLIAM EWART SMITH
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 WILLIAM EWART SMITH filed Critical WILLIAM EWART SMITH
Priority to GB12573/39A priority Critical patent/GB528076A/en
Publication of GB528076A publication Critical patent/GB528076A/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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L2/00—Systems of electric lighting devices
    • 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)
  • Secondary Cells (AREA)

Abstract

528,076. Electric battery lamps. HODGKISS, T. A., and SMITH, W. E. April 27, 1939, No. 12573. [Class 39 (ii)] A miner's lamp is supplied by a pair of accumulators in series within the lower part of the casing the lid 8 of which contains a sliding switch member 15 which, in one position shown, connects the batteries to the lamp and in the other or " off position brings holes 19 in the sliding member into register with apertures 20 in the lid and with sockets 14, 14b in connection with the poles of the battery so that, by inserting a charging plug, the battery may be charged with the switch in the off position.
GB12573/39A 1939-04-27 1939-04-27 Improvements in electric battery lamps of the safety or like types Expired GB528076A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB12573/39A GB528076A (en) 1939-04-27 1939-04-27 Improvements in electric battery lamps of the safety or like types

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12573/39A GB528076A (en) 1939-04-27 1939-04-27 Improvements in electric battery lamps of the safety or like types

Publications (1)

Publication Number Publication Date
GB528076A true GB528076A (en) 1940-10-22

Family

ID=10007142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12573/39A Expired GB528076A (en) 1939-04-27 1939-04-27 Improvements in electric battery lamps of the safety or like types

Country Status (1)

Country Link
GB (1) GB528076A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100998A1 (en) 2015-01-23 2016-07-28 Johannes Dilpert Apparatus and method for placing a load in a desired position of a room

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015100998A1 (en) 2015-01-23 2016-07-28 Johannes Dilpert Apparatus and method for placing a load in a desired position of a room

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