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Thomas Hewett
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Individual
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Individual
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Publication of GB189723997ApublicationCriticalpatent/GB189723997A/en
23,997. Hewett, T. Oct. 18. Pins, joint, for coupling the ends of driving - chains, are made of the form shown in Fig. 3. They are locked by spring plates, Figs. 5 and 6, which may be mounted on the central pin f<3> as in Fig. 7.
GB189723997D1897-10-181897-10-18Improvements in or in connection with Chains for Chain Gearing.
ExpiredGB189723997A
(en)