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Expired
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Frank Hewlett
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Individual
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Individual
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Publication of GB189719038ApublicationCriticalpatent/GB189719038A/en
19,038. Hewlett, F. Aug. 17. Locking nuts.-The nut is locked by a spring catch b pivoted at b<1> in a recess a<1> in the top of the nut. The catch has a point b<2> for entering notches in the bolt, and is bevelled at b<3> so that on fitting a spanner over the nut the catch is turned to free the nut. A cover-plate is fixed on the nut by pins d.
GB189719038D1897-08-171897-08-17Improvements in Lock-nuts.
ExpiredGB189719038A
(en)