US 11,865,667 B2
Grinding means device, in particular grinding-disc device or backup-pad device
Bruno Sinzig, Oberbipp (CH); Stefan Christen, Langendorf (CH); Michael Laett, Solothurn (CH); Laurent Quebatte, Visp (CH); and David Winistoerfer, Kriegstetten (CH)
Assigned to Robert Bosch GmbH, Stuttgart (DE)
Appl. No. 16/488,362
Filed by Robert Bosch GmbH, Stuttgart (DE)
PCT Filed Mar. 13, 2018, PCT No. PCT/EP2018/056200
§ 371(c)(1), (2) Date Aug. 23, 2019,
PCT Pub. No. WO2018/188870, PCT Pub. Date Oct. 18, 2018.
Claims priority of application No. 10 2017 206 339.4 (DE), filed on Apr. 12, 2017; and application No. 10 2017 218 622.4 (DE), filed on Oct. 18, 2017.
Prior Publication US 2020/0230776 A1, Jul. 23, 2020
Int. Cl. B24B 45/00 (2006.01)
CPC B24B 45/006 (2013.01) 20 Claims
OG exemplary drawing
 
1. A grinding device for arranging at least one grinding apparatus on a portable machine tool, the grinding device comprising:
at least one receiving unit configured to be fixed on an output unit of the portable machine tool and configured for the at least one grinding apparatus to be arranged on the at least one receiving unit; and
at least one securing unit configured for axially fixing the at least one receiving unit and/or the at least one grinding apparatus on the output unit of the portable machine tool, wherein the at least one securing unit is configured to (i) axially fix the at least one receiving unit and/or the grinding apparatus on the output unit of the portable machine tool in a tool-free manner with the at least one receiving unit and/or the grinding apparatus clamped between the at least one securing unit and the output unit, and/or (ii) axially fix the grinding apparatus on the at least one receiving unit in a tool-free manner with the grinding apparatus clamped between the at least one securing unit and the at least one receiving unit,
wherein the at least one securing unit is configured to couple to and de-couple from the at least one receiving unit in a tool-free manner, and
wherein the at least one securing unit comprises at least one axial securing element, which is mounted movably on a main body of the at least one securing unit.