Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Frank Stewart Smith
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Individual
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Individual
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Publication of GB189722841ApublicationCriticalpatent/GB189722841A/en
Dental Tools And Instruments Or Auxiliary Dental Instruments
(AREA)
Gripping Jigs, Holding Jigs, And Positioning Jigs
(AREA)
Details Of Spanners, Wrenches, And Screw Drivers And Accessories
(AREA)
Abstract
22,841. Smith, F. S. Oct. 5. Spanners and wrenches.-The sliding jaw B is connected to the stem A by a worm C' engaging with teeth on the stem. The worm is mounted on a shaft C pressed towards the stem by springs C'. The jaw B can be adjusted by turning the worm, or by pulling the worm out of gear with the teeth and sliding the jaw.
GB189722841D1897-10-051897-10-05Improvements in Screw Wrenches or Spanners.
ExpiredGB189722841A
(en)