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Expired
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Charles Phipson Showell
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Individual
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Individual
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Publication of GB190503558ApublicationCriticalpatent/GB190503558A/en
3558. Showell, C. P. Feb. 21. Window opening and closing apparatus.-Consists in mounting in a three-sided bracket 16, Figs. 1 and 3, the bevel-wheels 18, 15, which are secured to a screw 10 carrying a nut connected to a casement by a link 8 and bracket 6. The cord pulley 20, formed in one with the bevelwheel 18, is surrounded by a ferrule 22, Fig. 3, provided with holes 23, through which the cord passes.
GB190503558D1905-02-211905-02-21Improvements in Window Casement Opening Mechanism
ExpiredGB190503558A
(en)