Bearing assembly for swivel joint

Details Bearing assembly for swivel joint Bearing assembly for swivel joint

E - Fixed Constructions

21

B

E21B 31/14 (2006.01) E21B 31/20 (2006.01) F16C 11/00 (2006.01) F16C 33/58 (2006.01) F16C 33/66 (2006.01) F16G 11/00 (2006.01) F16G 11/09 (2006.01)

Patent

CA 2621033

Disclosed is an improved swivel joint for use as part of a cable-guided fishing assembly. The swivel joint contains a bearing assembly comprising a series of ball bearings partially encased by an inner and outer race. During a cable-guided fishing operation, the inner and outer race exert a shearing, rather than compression, force on the ball bearing due to the unique configuration of the bearing assembly. This unique configuration increases the strength of the bearing assembly, and the corresponding strength of the swivel joint, without necessitating an increase in the outer diameter of the swivel joint.

L'invention concerne un joint à rotule amélioré utilisable en tant que pièce d'un ensemble de pêche guidé par câble. Le joint à rotule comprend un ensemble support comprenant une série de roulements à billes partiellement encastrés par des bagues de roulement intérieure et extérieure. Au cours d'une opération de pêche guidée par câble, les bagues de roulement intérieure et extérieure exercent sur le roulement à billes une force de cisaillement plutôt qu'une force de compression, du fait de la configuration unique de l'ensemble support. Cette configuration unique augmente la force de l'ensemble support et, partant, celle du joint à rotule, sans nécessité d'augmenter le diamètre extérieure de ce dernier.

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