Patent ID: 8695723
Filing Date: 2014-04-15
Classification: B25D

Abstract:
1. A hammer drill and/or chisel hammer, comprising: an impact mechanism housing; an impact mechanism device disposed in the impact mechanism housing; a tool holder; and at least one damping device, including at least one damping element disposed between said impact mechanism housing and said tool holder and situated along a main extension direction of the impact mechanism device on the impact mechanism housing, said at least one damping device at least partially constituted by a fastening device configured to fasten said tool holder to said impact mechanism housing and having at least one first fastening element provided to at least partially guide said at least one damping element, and at least one second fastening element, separate from said housing and said first fastening element, connected to said first fastening element and configured to compress said at least one damping element, wherein the least one first fastening element is situated in at least one recess defined in the impact mechanism housing which recess is provided to at least accommodate the at least one first fastening element, and wherein the second fastening element is situated in the at least one recess of the impact mechanism housing, in front of the first fastening element at least essentially along the main extension direction of the impact mechanism device, and the second fastening element is provided to at least partially limit a movement of a damping element of the damping device.