(19)
(11) EP 3 863 800 A2

(12)

(88) Date of publication A3:
02.07.2020

(43) Date of publication:
18.08.2021 Bulletin 2021/33

(21) Application number: 20724397.3

(22) Date of filing: 06.01.2020
(51) International Patent Classification (IPC): 
B24D 13/10(2006.01)
 B24D 13/20(2006.01)
(86) International application number:
PCT/US2020/012426
(87) International publication number:
WO 2020/097633 (14.05.2020 Gazette 2020/20)
(84) Designated Contracting States:
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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 05.11.2018 US 201862756073 P

(71) Applicant: Osborn, LLC
Richmond IN 47374 (US)

(72) Inventors:
  • CLIFFORD, Shane
    Glenwood, IN 46133 (US)
  • SMALL, Zachary
    Richmond, IN 47374 (US)
  • KEISER, Brian
    Cambridge City, IN 47327 (US)
  • VANWINKLE, Brad
    Richmond, IN 47374 (US)
  • BAUMGARDNER, Zachary
    Lynn, IN 47355 (US)

(74) Representative: Schröer, Gernot H. 
Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Bankgasse 3
90402 Nürnberg
90402 Nürnberg (DE)

   


(54) IMPROVED DOUBLE-STRINGER ROTARY BRUSH WITH OFFSET-TRIM BRUSH WIRE TUFTS PROVIDING BLEND OF ABRASIVE MATERIAL REMOVAL AND SURFACE FINISHING