Improvements in or relating to dust extracting apparatus in finishing machines, especially for finishing footwear

摘要

512,384. Removing dust on generation. HIMMELMANN, W. Nov. 24, 1938, No. 34223. Convention date, Nov. 24, 1937. [Class 8 (ii)] Shaping and finishing tools, e.g., for footwear, are provided each with a separate dust-extracting conduit d leading to a common selector device e which may comprise a slider g connected by a flexible hose f with the exhauster and adapted to place only the tool in operation in communication with the exhauster. The slider may be moved by a handle along a groove and may be provided with a knob snapping into sockets at the conduit connections.