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    • 30. 发明公开
    • EINRICHTUNG ZUM LÖSBAREN FESTLEGEN EINES RUNDSCHAFTMEISSELS IN EINER MEISSELBÜCHSE
    • EINRICHTUNG ZUMLÖSBARENFESTLEGEN在EINERMEISSELBÜCHSEEINES RUNDSCHAFTMEISSELS
    • EP1216343A1
    • 2002-06-26
    • EP00967412.8
    • 2000-09-26
    • VOEST-ALPINE BergtechnikGesellschaft m.b.H
    • GERER, RomanPICHLMAIR, Friedrich
    • E21C35/197E21C35/187
    • E21C35/197E21C35/187E21C2035/1826
    • The invention relates to a device for detachably fixing a rounded-shaft tool (5) into a tool bushing which is fixed into a tool holder (1) so that it can be detached. In said device, the interior sleeve of the bushing (10) has an annular groove, into which an elastic fixing ring (13) engages that is located in an annular groove (12) of the tool shaft (11). The device is characterised in that the elastic fixing ring (13) is configured as a slotted, plastic ring which has a rib (16) running around its periphery and that the width of the annular groove (17) on the interior sleeve of the bushing, when measured in an axial direction, is greater than the width of the rib (16) which runs around the periphery of the elastic plastic ring and extends into said annular groove (17). In addition, the front face (18) of the ring rib (16) which faces the tool tip is positioned parallel to the front face of the annular groove (17) on the interior sleeve of the bushing (10), pointing towards said front face of the ring rib.
    • 本发明涉及一种用于将圆轴工具(5)可拆卸地固定到工具衬套中的装置,该工具衬套被固定到工具保持器(1)中以使其能够拆卸。 在所述装置中,衬套(10)的内套筒具有环形凹槽,位于工具轴(11)的环形凹槽(12)中的弹性固定环(13)接合到所述环形凹槽中。 该装置的特征在于,弹性固定环(13)构造为开槽的塑料环,该塑料环具有绕其周边延伸的肋(16),并且衬套的内部套筒上的环形槽(17)的宽度 在沿轴向测量时大于围绕弹性塑料环的周边延伸并延伸到所述环形槽(17)中的肋(16)的宽度。 此外,环形肋(16)的面向工具尖端的前表面(18)定位成平行于衬套(10)的内套筒上的环形凹槽(17)的前表面,指向所述前部 环肋骨的脸。