US 12,138,768 B2
Press-on element for a power tool
Udo Hauptmann, Landsberg (DE)
Assigned to Hilti Aktiengesellschaft, Schaan (LI)
Appl. No. 17/916,964
Filed by Hilti Aktiengesellschaft, Schaan (LI)
PCT Filed Apr. 7, 2021, PCT No. PCT/EP2021/059079
§ 371(c)(1), (2) Date Oct. 4, 2022,
PCT Pub. No. WO2021/213806, PCT Pub. Date Oct. 28, 2021.
Claims priority of application No. 20170492 (EP), filed on Apr. 21, 2020.
Prior Publication US 2023/0158656 A1, May 25, 2023
Int. Cl. B25D 17/08 (2006.01)
CPC B25D 17/088 (2013.01) [B25D 2217/0038 (2013.01); B25D 2250/085 (2013.01); B25D 2250/235 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A power tool containing a percussion-mechanism apparatus for generating percussion pulses on a tool, the power tool comprising:
a basic body for receiving a rear end of the tool;
at least one first and second locking element, each arranged lying in radial openings of the basic body in a reversible manner in a locking position or release position, wherein, in the locking position, the rear end of the tool is held in the basic body and, in the release position, the rear end of the tool is removable from the basic body;
a locking ring for holding the at least first and second locking elements in the locking position; and
a press-on element for guiding the at least first and second locking elements in a first axial direction and a second axial direction, the press-on element including an elastic material, wherein the elastic material is an elastomer or rubber;
wherein the press-on element contains at least one first receiving region for at least partially receiving the at least first and second locking elements; wherein the press-on element is designed substantially as a ring wherein the ring has a first and a second surface side and wherein on the first surface side a first and second cutout are provided positioned opposite one another.