Patent SG-11201906770Q-A (SG)
Title: Roller feed mechanism for printer having multiple printheads
Inventor: BALALA ROMMEL
IPC: B41J13/03
Filed: 2018-01-17
Abstract: F16B 24B 22B f 1 21 22A FIG. 1 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 09 August 2018 (09.08.2018) WIP0 I PCT Hu omit VIII °nolo olomonnoolioluo oimIE (10) International Publication Number WO 2018/141550 Al (51) International Patent Classification: B41J 13/00 (2006.01) B41J 2/21 (2006.01) B41J 13/03 (2006.01) (21) International Application Number: PCT/EP2018/051137 (22) International Filing Date: 17 January 2018 (17.01.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/453,960 02 February 2017 (02.02.2017) US (71) Applicant: MEMJET TECHNOLOGY LIMITED [IE/IE]; 61/62 Fitzwilliam Lane, Dublin, 2 (IE). (72) Inventors: BALALA, Rommel; 6-8 LYON PARK ROAD, NEW SOUTH WALES, 2113 NORTH RYDE (AU). BA- TERNA, Dan; 6-8 LYON PARK ROAD, NORTH RYDE, NEW SOUTH WALES 2113 (AU). SY, Billy; 6-8 LYON PARK ROAD, NORTH RYDE, NEW SOUTH WALES 2113 (AU). HIBBARD, Christopher; 6-8 LYON PARK ROAD, NORTH RYDE, NEW SOUTH WALES 2113 (AU). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, 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, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: ROLLER FEED MECHANISM FOR PRINTER HAVING MULTIPLE PRINTHEADS (57) : A printer (1) includes: a first fixed printhead (3); a second fixed printhead (5) positioned downstream of the first printhead O (3) relative to a media feed direction (F); a fixed platen (7) for supporting print media (9); an input roller assembly (15) positioned upstream of the first printhead (3), the input roller assembly (15) comprising a pair of input rollers (16A, 16B) having a first nip force N I ; an output roller assembly (21) positioned downstream of the second printhead (5), the output roller assembly (21) comprising a pair of output rollers (22A, 22B) having a second nip force N 2 ; and an intermediary roller assembly (25) positioned between the first 00 and second printheads, the intermediary roller assembly (25) comprising a pair of intermediary rollers (24A, 24B) having a third nip O force N. 3 The nip forces satisfy the relationship N 1 > N 2 > N 3 for optimal printing results. C [Continued on next page] WO 2018/141550 Al MIDEDIMOMONIIME10130101#1111111111111011111011110111111 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))