发明名称 Improvements in or relating to street lamps suitable for giving warning signals
摘要 344,095. Street lamps. SOUTH METROPOLITAN GAS CO. and CHANDLER, D., 709, Old Kent Road, London. Dec. 14, 1929, No. 38391. [Class 75 (iv).] A street lamp is provided with an inverted cupshaped casing 2 which reflects light downwards on to the road and masks the inverted incandescent gas mantles 1 or other source of light from persons at a distance, and with one or more reflectors 3 which are arranged below and in close proximity to the source of light, preferably at an angle of about 45‹, so as to reflect a coloured beam or beams away from the lamp to give a warning signal to the drivers of oncoming vehicles that they are approaching a crossroad. Four reflectors 3 of silvered glass may be arranged in the form of a pyramid and rest upon the bottom of a framework and supporting four sheets 5 of red or other coloured glass, and means may be provided for adjusting the angles of the reflectors. The casing 2 may also be fitted with red or other coloured panes or lenses 6.
申请公布号 GB344095(A) 申请公布日期 1931.03.05
申请号 GB19290038391 申请日期 1929.12.14
申请人 SOUTH METROPOLITAN GAS COMPANY;DEAN CHANDLER 发明人
分类号 F21V33/00 主分类号 F21V33/00
代理机构 代理人
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