Attachment sleeve for chisel hammer, has wound retaining spring that prepares external thread, which is brought in contact with end section of attachment sleeve

摘要

The attachment sleeve (1) has a wound retaining spring that prepares an external thread, which is brought in contact with an end section of the attachment sleeve. The attachment sleeve has an inner thread (2) and a minimum inside diameter (I) that is larger than maximum outside diameter of a chisel, and has another end section (1b).