US 11,697,198 B2
Hand-held power tool
Florian Mayr, Kaufbeuren (DE); Adrian Steingruber, Schwabmuenchen (DE); Katharina Marsiglia, Munich (DE); and Vera Nübel, Landsberg am Lech (DE)
Assigned to Hilti Aktiengeselleschaft, Schaan (LI)
Appl. No. 16/469,543
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Dec. 6, 2017, PCT No. PCT/EP2017/081621
§ 371(c)(1), (2) Date Jun. 13, 2019,
PCT Pub. No. WO2018/108654, PCT Pub. Date Jun. 21, 2018.
Claims priority of application No. 16204201 (EP), filed on Dec. 15, 2016.
Prior Publication US 2019/0308308 A1, Oct. 10, 2019
Int. Cl. B25D 17/24 (2006.01); B25D 16/00 (2006.01)
CPC B25D 17/24 (2013.01) [B25D 16/00 (2013.01); B25D 2211/068 (2013.01); B25D 2217/0073 (2013.01); B25D 2222/57 (2013.01); B25D 2250/181 (2013.01); B25D 2250/321 (2013.01); B25D 2250/345 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A hand-held power tool comprising:
a tool holder for holding a chiseling tool;
a guide tube having an interior;
a striking mechanism including a striking body moved on a longitudinal axis for exerting strikes on the tool in an impacting direction, the striking body moving in the interior of the guide tube;
a damper contacting the striker body to stop the striking body, the damper including a ring made up of a plurality of elastic beads situated circumferentially around the longitudinal axis, the ring made up of the plurality of beads being located within the interior of guide tube, the plurality of beads including identical spherical larger beads and identical spherical smaller beads directly joined to each other, the larger beads being larger than the smaller beads.