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
GB6270/24A
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.)
GRUBENLAMPENFABRIK DOMINIT
Original Assignee
GRUBENLAMPENFABRIK DOMINIT
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 GRUBENLAMPENFABRIK DOMINITfiledCriticalGRUBENLAMPENFABRIK DOMINIT
Publication of GB212917ApublicationCriticalpatent/GB212917A/en
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)
Fastening Of Light Sources Or Lamp Holders
(AREA)
Abstract
212,917. Grubenlampenfabrik Dominit. March 13, 1923, [Convention date]. Battery lamps.-A miner's battery lamp comprises circular upper parts connected to a square accumulator receptacle a by a union r which is secured to the receptacle by a bayonet locking- device i, d that also clamps a cover plate f upon the receptacle. The projections d of the bayonet fastening are fixed to the receptacle a and are passed upwards through gaps in an internal flange p in the member r. The member i comprises a ring adapted to be turned to complete the fastening.
GB6270/24A1923-03-131924-03-11Improvements in or relating to portable electric lamps
ExpiredGB212917A
(en)