Electrode tool holder assembly for electrical machining apparatus

摘要: A tool holder assembly, particularly for holding an electrode on the end of quill or ram electro-erosion machining apparatus, comprising a tapered bore disposed at and taper-shank fitting bore, combined with manually releasable spring biased means exerting force urging it into engagement operable in opposite direction disconnecting from bore. Angular positioning abutment are also provided angularly locating assembly.