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Expired
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Hugo Laemmerhirt
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Individual
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Individual
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Publication of GB190306783ApublicationCriticalpatent/GB190306783A/en
6783. Lõmmerhirt, H. March 24. Boring; milling; lathes.-Taper boring and turning is effected by a tool suitable for drill presses, lathes, and milling-machines. A tool-bar o is fixed in a slide g mounted on a guide c pivoted at d and carried by a slide b. The position of the slide g is controlled by a screw m driven through bevel gearing from a hand-wheel s. A screw l regulates the position of the slide b on a frame a, which is attached to the machine spindle by a taper arm k. In a modification, the guide c is mounted on a turntable.
GB190306783D1903-03-241903-03-24A New or Improved Attachment for Taper Boring or Turning.
ExpiredGB190306783A
(en)