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1. (WO2018193919) RACK SHAFT AND METHOD FOR MANUFACTURING RACK SHAFT
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2018/193919 International Application No.: PCT/JP2018/015117
Publication Date: 25.10.2018 International Filing Date: 10.04.2018
IPC:
F16H 55/26 (2006.01) ,B21J 5/08 (2006.01) ,B21J 5/12 (2006.01) ,B21K 1/76 (2006.01) ,B23F 1/08 (2006.01) ,B23F 5/20 (2006.01) ,B23F 5/28 (2006.01) ,B62D 3/12 (2006.01) ,B62D 5/04 (2006.01)
F MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
H
GEARING
55
Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
02
Toothed members; Worms
26
Racks
B PERFORMING OPERATIONS; TRANSPORTING
21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
J
FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
5
Methods for forging, hammering, or pressing; Special equipment or accessories therefor
06
for performing particular operations
08
Upsetting
B PERFORMING OPERATIONS; TRANSPORTING
21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
J
FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES
5
Methods for forging, hammering, or pressing; Special equipment or accessories therefor
06
for performing particular operations
12
Forming profiles on internal or external surfaces
B PERFORMING OPERATIONS; TRANSPORTING
21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
K
MAKING FORGED OR PRESSED PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS, WHEELS
1
Making machine elements
76
elements not mentioned in one of the preceding groups
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
F
MAKING GEARS OR TOOTHED RACKS
1
Making gear teeth by tools of which the profile matches the profile of the required surface
08
by broaching; by broach-milling
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
F
MAKING GEARS OR TOOTHED RACKS
5
Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
20
by milling
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
F
MAKING GEARS OR TOOTHED RACKS
5
Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
28
by broaching; by broach-milling
B PERFORMING OPERATIONS; TRANSPORTING
62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
D
MOTOR VEHICLES; TRAILERS
3
Steering gears
02
mechanical
12
of rack-and-pinion type
B PERFORMING OPERATIONS; TRANSPORTING
62
LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
D
MOTOR VEHICLES; TRAILERS
5
Power-assisted or power-driven steering
04
electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
Applicants:
KYB株式会社 KYB CORPORATION [JP/JP]; 東京都港区浜松町二丁目4番1号世界貿易センタービル World Trade Center Bldg., 4-1, Hamamatsu-cho 2-chome, Minato-ku, Tokyo 1056111, JP
Inventors:
吉川 真楽 YOSHIKAWA, Shinraku; JP
井出 典数 IDE, Norikazu; JP
Agent:
特許業務法人後藤特許事務所 GOTOH & PARTNERS; 東京都千代田区霞が関三丁目3番1号尚友会館 Shoyu-Kaikan, 3-1, Kasumigaseki 3-chome, Chiyoda-ku, Tokyo 1000013, JP
Priority Data:
2017-08464621.04.2017JP
Title (EN) RACK SHAFT AND METHOD FOR MANUFACTURING RACK SHAFT
(FR) ARBRE DE CRÉMAILLÈRE ET PROCÉDÉ POUR FABRIQUER UN ARBRE DE CRÉMAILLÈRE
(JA) ラックシャフト及びラックシャフトの製造方法
Abstract:
(EN) This rack shaft (50) is provided with: a hollow shaft body (51); and first and second rack teeth (52, 53) respectively meshing with first and second pinion gears (16, 25). The shaft body (51) has a second compressed section (55) which is formed compressed radially and which includes a flat section (55a) on the outer surface thereof. The second rack teeth (53) are formed by cutting on the second compressed section (55).
(FR) L'invention concerne un arbre de crémaillère (50), lequel arbre comporte : un corps d'arbre creux (51) ; et des premières et secondes dents de crémaillère (52, 53) s'engrenant respectivement avec des premier et second pignons (16, 25). Le corps d'arbre (51) a une seconde section comprimée (55) qui est formée de façon radialement comprimée et qui comprend une section plate (55a) sur la surface externe de celle-ci. Les secondes dents de crémaillère (53) sont formées par découpe sur la seconde section comprimée (55).
(JA) ラックシャフト(50)は、中空のシャフト本体(51)と、第1及び第2ピニオンギア(16,25)にそれぞれ噛み合う第1及び第2ラック歯(52,53)と、を備え、シャフト本体(51)は、径方向に潰すことによって形成され外面に平坦部(55a)を含む第2潰し部(55)を有し、第2ラック歯(53)は、第2潰し部(55)に切削加工により形成される。
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Designated States: 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, 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (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, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)