EP 3476535 B1 20230315 - FLOOR GRINDING APPARATUS WITH DUST-TIGHT RINGS
Title (en)
FLOOR GRINDING APPARATUS WITH DUST-TIGHT RINGS
Title (de)
BODENSCHLEIFGERÄT MIT STAUBDICHTRINGEN
Title (fr)
MEULEUSE POUR SOL AVEC BAGUE D'ÉTANCHÉITÉ À LA POUSSIÈRE
Publication
Application
Priority
EP 17198520 A 20171026
Abstract (en)
[origin: US2019126434A1] The present invention relates to a floor grinding apparatus (100) with a housing (110) having an interior space (111) open to one side, a carrier plate (120) rotatably mounted in the interior space (111) for receiving abrasives, and drive unit (130) adapted to rotate the carrier plate (120), the housing (110) having an inner dust sealing ring (112) with at least one recess (115), wherein the inner dust sealing ring (112) divides the interior space (111) into an inner portion (113) and an outer portion (114), and wherein the carrier plate (120) is disposed in the inner portion (114), at least one extraction opening (116) disposed in the outer portion (114), and an outer dust sealing ring (117) enclosing the interior space (111), the inner dust sealing ring (112) and the outer dust sealing ring (117) being arranged to define a common working plane parallel to the plane of rotation of the carrier plate (120).
IPC 8 full level
B24B 7/18 (2006.01); A47L 11/20 (2006.01); A47L 11/40 (2006.01); B24B 55/10 (2006.01); B24B 23/02 (2006.01)
CPC (source: EP US)
A47L 11/164 (2013.01 - US); B24B 7/18 (2013.01 - US); B24B 7/186 (2013.01 - EP US); B24B 23/02 (2013.01 - US); B24B 55/05 (2013.01 - US); B24B 55/10 (2013.01 - US); B24B 55/102 (2013.01 - EP US); A47L 11/206 (2013.01 - US); B24B 23/028 (2013.01 - EP US)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3476535 A1 20190501; EP 3476535 B1 20230315; US 11179825 B2 20211123; US 2019126434 A1 20190502
DOCDB simple family (application)
EP 17198520 A 20171026; US 201816172051 A 20181026