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Expired
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Martin Morgan Ryan
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Individual
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Individual
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Publication of GB190723001ApublicationCriticalpatent/GB190723001A/en
23,001. Ryan, M. M. Oct. 18. Castors.-The cage for the ball 6, Fig. 1, is formed by stamping a blank, Fig. 4, cut from sheet metal. The preferably concave rollers 5 are mounted on pins 4 connecting the bent edges 2<a> of the lobes 2. The pins 4 and the rollers 5 keep the blank in cage form. The ball is retained in the cage by bending inwards the spur 3. A threaded shank 7, preferably surrounded by a ferrule 8, is provided.
GB190723001D1907-10-181907-10-18Improvements in and relating to Ball Casters
ExpiredGB190723001A
(en)