US 12,269,142 B2
Grinding or disc cutting-type hand-held tool
Peter Kovacs, Nantes (FR); and Vincent Arnaud, Mouzillon (FR)
Assigned to ETABLISSEMENTS GEORGES RENAULT, Saint Herblain (FR)
Appl. No. 18/259,647
Filed by ETABLISSEMENTS GEORGES RENAULT, Saint Herblain (FR)
PCT Filed Dec. 23, 2021, PCT No. PCT/EP2021/087592
§ 371(c)(1), (2) Date Jun. 28, 2023,
PCT Pub. No. WO2022/144316, PCT Pub. Date Jul. 7, 2022.
Claims priority of application No. 2014204 (FR), filed on Dec. 29, 2020.
Prior Publication US 2024/0091903 A1, Mar. 21, 2024
Int. Cl. B24B 45/00 (2006.01); B24B 23/02 (2006.01); B25F 3/00 (2006.01)
CPC B24B 45/006 (2013.01) [B24B 23/022 (2013.01); B24B 23/028 (2013.01); B25F 3/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A grinding or disc cutting-type hand-held tool comprising:
a casing housing a motor;
an output shaft rotatable by said motor along an axis of rotation, wherein said output shaft is capable of rotating:
a first type of accessory having a threaded central opening; and
a second type of accessory having a smooth central opening, said output shaft having:
an end portion supporting a first connector element to rigidly connect said first type of accessory; and
an intermediate portion supporting a second connector element to rigidly connect said second type of accessory,
wherein the second connector element comprises a shoulder extending around a periphery of said intermediate portion; and
wherein the grinding or disc cutting-type hand-held tool comprises:
a first flange formed around said intermediate portion and bearing against said shoulder, and
a second flange formed around said intermediate portion and housed between said first flange and said intermediate portion, said first flange and said second flange being configured to clamp said second type of accessory so as to keep said second type of accessory linked to said output shaft.