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1. (WO2017061212) DUST COVER
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Pub. No.: WO/2017/061212 International Application No.: PCT/JP2016/076071
Publication Date: 13.04.2017 International Filing Date: 06.09.2016
IPC:
F16C 11/06 (2006.01) ,F16J 3/04 (2006.01) ,F16J 15/52 (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
C
SHAFTS; FLEXIBLE SHAFTS; MECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHING; ELEMENTS OF CRANKSHAFT MECHANISMS; PIVOTS; PIVOTAL CONNECTIONS; ROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTS; BEARINGS
11
Pivots; Pivotal connections
04
Pivotal connections
06
Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
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
J
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
3
Diaphragms; Bellows; Bellows pistons
04
Bellows
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
J
PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
15
Sealings
50
between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
52
by means of sealing bellows or diaphragms
Applicants:
NOK株式会社 NOK CORPORATION [JP/JP]; 東京都港区芝大門1丁目12番15号 12-15, Shiba Daimon 1-chome, Minato-ku, Tokyo 1058585, JP
Inventors:
佐藤 徳人 SATO Norihito; JP
Agent:
世良 和信 SERA Kazunobu; JP
川口 嘉之 KAWAGUCHI Yoshiyuki; JP
金井 廣泰 KANAI Hiroyasu; JP
坂井 浩一郎 SAKAI Koichiro; JP
Priority Data:
2015-19774005.10.2015JP
Title (EN) DUST COVER
(FR) COUVERCLE ANTI-POUSSIÈRE
(JA) ダストカバー
Abstract:
(EN) Provided is a dust cover that enables a dust lip part to stably exhibit sealing performance for a long period of time. A seal part 130 is characterized by being provided with: an inner seal part that is slidable with respect to the outer peripheral surface of a shaft part; and a dust lip part 132 that is slidable with respect to the end surface of a knuckle 400, wherein an annular projection part 135 projecting radially outward is formed at an end part on the other end side of the seal part 130, and at least one of the outer peripheral surface and the inner peripheral surface of the dust lip part 132 extends, from parts 132a and 132b recessed to one end side more than the end surface 135a on the other end side of the annular projection part 135, toward the other end side.
(FR) L'invention concerne un couvercle anti-poussière qui permet à une partie de lèvre anti-poussière de présenter de façon stable une efficacité d'étanchéité pendant une longue période. Une partie de joint d'étanchéité (130) est caractérisée en ce qu'elle est pourvue : d'une partie de joint d'étanchéité interne qui peut coulisser par rapport à la surface périphérique externe d'une partie d'arbre ; d'une partie de lèvre anti-poussière (132) qui peut coulisser par rapport à la surface d'extrémité d'une rotule (400), une partie de saillie annulaire (135), qui fait saillie radialement vers l'extérieur, étant formée à une partie d'extrémité sur l'autre côté d'extrémité de la partie de joint d'étanchéité (130), et au moins l'une de la surface périphérique externe et de la surface périphérique interne de la lèvre anti-poussière (132) s'étendant, à partir de parties (132a et 132b) davantage en renfoncement vers un côté d'extrémité que la surface d'extrémité (135a) sur l'autre côté d'extrémité de la partie de saillie annulaire (135), vers l'autre côté d'extrémité.
(JA) ダストリップ部によるシール性を長期に亘って安定的に発揮させることを可能とするダストカバーを提供する。 シール部130は、軸部の外周表面に対して摺動自在な内周シール部と、ナックル400の端面に対して摺動自在なダストリップ部132と、を備えると共に、シール部130における他端側の端部には、径方向外側に突出する環状突出部135が形成されており、ダストリップ部132の外周面及び内周面のうちの少なくともいずれか一方は、環状突出部135における他端側の端面135aよりも一端側に凹んだ部分132a,132bから他端側に向かって伸びていることを特徴とする。
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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, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, 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 Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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)