WIPO logo
Mobile | Deutsch | Español | Français | 日本語 | 한국어 | Português | Русский | 中文 | العربية |

Search International and National Patent Collections
World Intellectual Property Organization
Machine translation
1. (WO2005119095) BALL SCREW
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2005/119095    International Application No.:    PCT/JP2005/008363
Publication Date: 15.12.2005 International Filing Date: 06.05.2005
F16H 25/24 (2006.01), F16H 25/22 (2006.01)
Applicants: NTN CORPORATION [JP/JP]; 3-17, Kyomachibori 1-chome, Nishi-ku Osaka-shi, Osaka 5500003 (JP) (For All Designated States Except US).
NAKAZEKI, Tsugito [JP/JP]; (JP) (For US Only)
Inventors: NAKAZEKI, Tsugito; (JP)
Agent: EHARA, Syogo; Ehara Patent Office 15-26, Edobori 1-chome, Nishi-ku Osaka-shi, Osaka 5500002 (JP)
Priority Data:
2004-163374 01.06.2004 JP
(JA) ボールねじ
Abstract: front page image
(EN)A ball screw has a screw shaft, a nut, and balls running in a circulating manner along the ball rolling groove of the screw shaft and the ball rolling groove of the nut. A circulation section (16) for the balls (22) is provided on the screw shaft (12) side, and permanent magnets (24) are arranged at the entrance and the exit of the circulation section (16).
(FR)Une vis à billes à une tige de la vis, un écrou, et des billes circulant le long de la rainure du roulement à billes de la tige de la vis et de la rainure du roulement à billes de l’écrou. Une section de circulation (16) pour les billes (22) est fournie du côté de la tige de la vis (12), et des aimants permanents (24) sont disposés à l’entrée et à la sortie de la section de circulation (16).
(JA) ボールねじは、ねじ軸と、ナットと、ねじ軸のボール転動溝とナットのボール転動溝とに沿って循環走行するボールとを有し、ボール(22)の循環部(16)ねじ軸(12)側に設けてあり、循環部(16)の入り口と出口に永久磁石(24)が配置してある。
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)