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
Inventor
Albert Vandam
Thomas Herbert Marsh
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB189911097ApublicationCriticalpatent/GB189911097A/en
11,097. Vandam, A., and Marsh, T. H. May 27. Incandescent lamps, holders for. A bayonet-capped lamp holder is provided with two cylindrical insulators 5, 11, one having a diametrical groove to receive a projection 21 on the other. The upper insulator 5 carries two metal blocks 6, 7, in which the supply wires are secured by lateral screws ; each block is secured by a screw 10, or, in a modification, by a nut screwed upon a hollow part of the block projecting through the insulator 5 to receive the wire. The lower insulator 11 carries two cylindrical plunger-carriers 15, secured by nuts 16, and having plungers 13, 19 at both ends, pressed apart by springs. The inner plungers 19 make contact with the blocks 6, 7 when the holder is put together. In a modification, the carriers 15 may make contact directly with the blocks 6, 7.
GB189911097D1899-05-271899-05-27Improvements in Sockets or Holders for Incandescent Electric Lamps.
ExpiredGB189911097A
(en)