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John Barlow
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Individual
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Individual
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Publication of GB189716106ApublicationCriticalpatent/GB189716106A/en
16,106. Barlow, J. July 7. Spanners.-One or both of the stems A', B<2>, carrying the jaws C, D, are formed with projections E, E<1> engaging with grooves or slots in the opposite stem, so that, when the spanner is in use, these engaging parts are turned slightly and jammed together to lock the jaws. The lower ends of the stems may be formed to act in a similar way, the end T, T' sliding along the groove or ledge G, G'. The jaws may be adjusted in any suitable way, such as by a bolt or screwed end K and a nut W, the bolt sliding in a slot P.
GB189716106D1897-07-071897-07-07Improvements in Adjustable Spanners or Wrenches for Tightening or Slackening Nuts, Screws, or Bolts and the like.
ExpiredGB189716106A
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