GB190707043A - Improvements in and relating to Miners' Lamps. - Google Patents

Improvements in and relating to Miners' Lamps.

Info

Publication number
GB190707043A
GB190707043A GB190707043DA GB190707043A GB 190707043 A GB190707043 A GB 190707043A GB 190707043D A GB190707043D A GB 190707043DA GB 190707043 A GB190707043 A GB 190707043A
Authority
GB
United Kingdom
Prior art keywords
lamp
bolt
cylinder
miners
flame
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
Inventor
Louis Ferrette
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
Application granted granted Critical
Publication of GB190707043A publication Critical patent/GB190707043A/en
Expired legal-status Critical Current

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

7043. Ferrette, L. March 23. Miners' safety lamps.-Relates to a miner's lamp of the type in which a safety locking-device ensures that the lamp is extinguished before it can be opened. According to the present invention, the lamp must be inverted before it can be opened. The reservoir a of the lamp is provided with ratchet teeth f. When the usual top part c, e, d of the lamp is screwed on the reservoir, a bolt h, which slides in a cylinder g fixed to the part c, engages one of the teeth f, and prevents the top part of the lamp from being unscrewed until the bolt is released from the tooth by turning the lamp upside down. This movement causes a disk i, Fig. 3, provided with a socket j which surrounds the burner, to move, and the socket j extinguishes the flame. Projections l on the disk are adapted to prevent it from sticking. The bolt h slides freely in the cylinder g, but its movement is limited by a thick lubricant in the cylinder, which is adapted to cause the flame to be extinguished before the bolt h is free of the ratchet.
GB190707043D 1907-03-23 1907-03-23 Improvements in and relating to Miners' Lamps. Expired GB190707043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190707043T 1907-03-23

Publications (1)

Publication Number Publication Date
GB190707043A true GB190707043A (en) 1907-12-19

Family

ID=32548359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190707043D Expired GB190707043A (en) 1907-03-23 1907-03-23 Improvements in and relating to Miners' Lamps.

Country Status (1)

Country Link
GB (1) GB190707043A (en)

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