Elastomeric bearing and assembly method therefor

F - Mech Eng,Light,Heat,Weapons – 16 – C

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Details

F16C 11/06 (2006.01) F16C 27/06 (2006.01) F16C 33/22 (2006.01) F16C 43/02 (2006.01) F16F 1/393 (2006.01)

Patent

CA 2308287

An elastomer bearing (20) and assembly method therefor. The bearing (20) includes an inner member (22) having an outer profiled surface with a maximum radial dimension, an outer member (24) having a minimum radial dimension which is smaller than said maximum radial dimension and an inner profiled surface. The outer member (24) includes first (26) and second halves (28) being inserted axialy over the spherical portion (23) of inner member (22). Each half (26, 28) including axial threaded portions (32) which are threadedly interconnected to secure halves (26, 28) together. An elastomer layer (30) is bonded to said outer profiled surface of said inner member (22) and said inner profiled surface of said outer member (24). In another aspect, the profiled surfaces are spherical surfaces. Preferably, air is vented into the threaded escapeway (33) during the bonding process. A radial gap (34) is provided to aid air removal/venting.

L'invention concerne un palier (20) en élastomère et un procédé d'assemblage de celui-ci. La palier (20) comporte un élément (22) intérieur qui possède une surface extérieure profilée présentant une dimension radiale maximale, un élément (24) extérieur qui présente une dimension radiale minimale inférieure à ladite dimension radiale maximale et une surface intérieure profilée. L'élément (24) extérieur comporte une première (26) et une deuxième (28) moitiés qui sont insérées axialement sur la partie (23) sphérique de l'élément (22) intérieur. Chaque moitié (26, 28) comporte des parties (32) axiales filetées qui sont connectées par filetage de manière à fixer les moitiés (32) entre elles. Une couche (30) d'élastomère est collée à ladite surface extérieure profilée dudit élément (22) intérieur et à ladite surface intérieure profilée dudit élément (24) extérieur. Dans un autre aspect de l'invention, les surfaces profilées sont des surfaces sphériques. De préférence, de l'air est purgé par le passage (33) d'échappement fileté au cours du processus de collage. Un trou (34) radial est prévu pour favoriser l'élimination/évacuation d'air.

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