Patent SG-11201901739V-A (SG)
Title: Cleaning appliance
Inventor: VINCENT CHRISTOPHER
IPC: A61C17/34
Filed: 2017-08-29
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property 11111111111111111111111111111111111111111H111111111111111111111111111111111111 Organization International Bureau (10) International Publication Number (43) International Publication Date .....0\"\"\" WO 2018/055328 Al 29 March 2018 (29.03.2018) WIP0 I PCT (51) International Patent Classification: Technology Limited, Tetbury Hill, Malmesbury Wiltshire A61C 17/02 (2006.01) A61C 17/22 (2006.01) SN16 ORP (GB). WAUGH, Edward; Dyson Technology A61C 17/028 (2006.01) A61C 17/34 (2006.01) Limited, Tetbury Hill, Malmesbury Wiltshire SN16 ORP A61C 17/16 (2006.01) (GB). (21) International Application Number: (74) Agent: BOOTH, Andrew et al.; Dyson Technology Limit- PCT/GB2017/052517 ed, Intellectual Property Department, Tetbury Hill, Malmes- (22) International Filing Date: bury Wiltshire SN16 ORP (GB). 29 August 2017 (29.08.2017) (81) Designated States (unless otherwise indicated, for every (25) Filing Language: English kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, (26) Publication Language: English CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, (30) Priority Data: DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 1616272.9 26 September 2016 (26.09.2016) GB HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (71) Applicant: DYSON TECHNOLOGY LIMITED MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, [GB/GB]; Tetbury Hill, Malmesbury Wiltshire SN16 ORP OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, (GB). SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (72) Inventors: VINCENT, Christopher; Dyson Technolo- _ gy Limited, Tetbury Hill, Malmesbury Wiltshire SN16 (84) Designated States (unless otherwise indicated, for every ORP (GB). TWEEDIE, Robert; Dyson Technology Limit- kind of regional protection available): ARIPO (BW, GH, = ed, Tetbury Hill, Malmesbury Wiltshire SN16 ORP (GB). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, JONES, Jason; Dyson Technology Limited, Tetbury Hill, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, =_ Malmesbury Wiltshire SN16 ORP (GB). WRONSKI, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, Robert; Dyson Technology Limited, Tetbury Hill, Malmes- EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, = bury Wiltshire SN16 ORP (GB). DARLING, Philip; Dyson MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: CLEANING APPLIANCE = 46 = — 50 = _ 108 108 — 102 116 106 ? 112 80 / 1 — 82 90 92 = = • (19WqPicl = 62----- . .0. 0 ITi /2) 6 i 0 dr • = _ — ---.. = 85 84 94 88 86 98 100 96 104 1-1 FIG. 4 48 cc N M kin C kin (57) : A pump assembly for a dental cleaning appliance includes a fluid chamber, a piston, and a drive. Magnets, connected -- -- GC respectively to the piston and the drive, enable the drive to couple to the piston and move it within the fluid chamber to draw fluid into ,1 the fluid chamber. A stop prevents the piston from being pulled beyond a stop position so that through continued actuation of the drive 0 the magnets separate to allow a spring to push the piston away from the stop position to urge a burst of fluid from the fluid chamber. ei C [Continued on next page] WO 2018/055328 Al MIDEDIM01101 DIDIREIH0 IIMH1111111111111011111111111111111 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))