MANUAL ATTACHMENT FOR END DRILLING AND END MILLING Russian patent published in 2001 - IPC

FIELD: drilling end portion of plate by means of drill or working it by means of end milling cutter. SUBSTANCE: attachment may be used for working plane of sheet in zone slightly spaced from sheet end by means of disc or shaped milling cutter. Attachment includes supporting plate with two guiding rods mounted normally relative to its plane. Limiters are mounted onto said rods. Yoke is mounted between Limiters onto rods with possibility of lengthwise motion. Yoke is spring-loaded relative to supporting plate and it is designed for fastening body of tool drive. Rotation axis of tool is normal relative to plane of supporting plate. Rotary table with rods is mounted on supporting plate. Rods are arranged normally relative to planes of supporting plate and rotary table. EFFECT: improved design allowing to fix attachment on ends quickly and reliably. 2 cl, 1 dwg