Elastomeric coupling and method of improving durability thereof

Details Elastomeric coupling and method of improving durability thereof Elastomeric coupling and method of improving durability thereof

F - Mech Eng,Light,Heat,Weapons

16

D

F16D 3/68 (2006.01)

Patent

CA 2331859

An elastomer coupling (20) and durability improving method, the coping including an outer member (40) including a leading contact face (38), and an elastomer component (30) including a driving elastomer contact face (41) opposing and adapted for operable unbonded contact with said leading contact face (38), the driving elastomer contact face (41) including a thin polyurethane coating (50). In another aspect, the elastomer coupling (20) has an elastomer member (30) preferably having a plurality of parallel-sided bonded lugs (47) having thin elastomer driving and following skins (46, 46') received in preferable line fit relationship in a plurality of parallel-sided recesses (44) formed in a preferably plastic outer member (40) for transmitting torques, accommodating slight parallel and angular misalignments, and isolating vibrations thereof.

L'invention concerne un couplage élastomère (20) et un procédé pour en améliorer la durabilité. Le couplage inclut un élément externe (40) muni d'une surface de contact menante (38), et un élément élastomère (30) muni d'une surface de contact élastomère menante (41) opposée adaptée pour avoir un contact non adhérent utilisable avec ladite surface de contact menante (38), la surface de contact élastomère menante (41) présentant un revêtement de polyuréthane mince (50). Dans un autre aspect de l'invention, le couplage élastomère (20) comprend un élément élastomère (30) muni, de préférence, d'une pluralité de crans liés à bords parallèles (47) présentant de minces enveloppes élastomères menantes et subordonnées (46, 46') reçues dans une relation d'ajustement de ligne préférée dans une pluralité d'évidements (44) formés dans un élément externe (40), de préférence en plastique, pour transmettre des couples, adapter des désalignements légèrement parallèles et angulaires, et isoler des vibrations desdits crans.

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