Some content of this application is unavailable at the moment.
If this situation persist, please contact us atFeedback&Contact
1. (WO2019043545) BINARY PASSIVE VARIABLE STIFFNESS JOINT
Latest bibliographic data on file with the International Bureau    Submit observation

Pub. No.: WO/2019/043545 International Application No.: PCT/IB2018/056470
Publication Date: 07.03.2019 International Filing Date: 26.08.2018
IPC:
B25J 19/06 (2006.01) ,B25J 17/02 (2006.01) ,F16D 3/50 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
J
MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
19
Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
06
Safety devices
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
J
MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
17
Joints
02
Wrist 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
D
COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
3
Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
50
with the coupling parts connected by one or more intermediate members
Applicants:
KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY [AE/AE]; P.O. Box 127788 Abu Dhabi, 127788, AE
Inventors:
AWAD, Mohammad; AE
GAN, Dongming; AE
DIAS, Jorge; AE
SENEVIRATNE, Lakmal; AE
Agent:
SALEH, Ahmad; AE
Priority Data:
62/551,96530.08.2017US
Title (EN) BINARY PASSIVE VARIABLE STIFFNESS JOINT
(FR) ARTICULATION À RIGIDITÉ VARIABLE PASSIVE BINAIRE
Abstract:
(EN) A variable stiffness joint and method to alter the stiffness of the joint with multiple stiffness levels is described wherein a plurality of stiffness bits (m) are used for enabling 2 m stiffness level variations for the joint. Each stiffness bit comprises an elastic element in mechanical connection with a clutch (21, 22, 23). The joint revolves with zero stiffness level when all the clutches (21, 22, 23) are disengaged whereas a clutch (21, 22, 23) involves one of the elastic elements which alter the stiffness of the joint. Engaging other clutches (21, 22, 23) involve more elastic elements for altering the joint stiffness and the resultant joint stiffness is determined by adding the stiffness values of all the involved springs (6, 7, 8).
(FR) L'invention concerne une articulation à rigidité variable et un procédé pour modifier la rigidité de l'articulation avec de multiples niveaux de rigidité, une pluralité d'embouts de rigidité (m) étant utilisés pour permettre des variations de niveau de rigidité de 2 m pour l'articulation. Chaque embout de rigidité comprend un élément élastique en liaison mécanique avec un embrayage (21, 22, 23). L'articulation tourne avec un niveau de rigidité nul lorsque tous les embrayages (21, 22, 23) sont désaccouplés, tandis qu'un embrayage (21, 22, 23) entraîne l'un des éléments élastiques qui modifient la rigidité de l'articulation. La mise en prise d'autres embrayages (21, 22, 23) entraîne davantage d'éléments élastiques pour modifier la rigidité de l'articulation, et la rigidité d'articulation résultante est déterminée par l'addition des valeurs de rigidité de tous les ressorts entraînés (6, 7, 8).
front page image
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, 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
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: English (EN)
Filing Language: English (EN)