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Expired
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Cecil Walton
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Individual
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Individual
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Publication of GB190100177ApublicationCriticalpatent/GB190100177A/en
177. Walton, C. Jan. 3. Rock drills, feed for. The feed nut e is contained in a sleeve a with a pinching-screw b and block d, so that the nut may be held or retarded to regulate the feed, or may be left free to stop the feed. The sleeve a may be in the form of a split clamp which can be tightened on the nut. The nut may be divided in halves at e' to allow the feed screw to be rapidly withdrawn, the pinching-screw being slackened so that the nut e can be withdrawn from the socket with the feed screw.
GB190100177D1901-01-031901-01-03Improvements in Feed Nuts for Boring Machines, Drills and the like.
ExpiredGB190100177A
(en)