F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 53/16 (2006.01) F04B 23/04 (2006.01) F04B 41/06 (2006.01) F16B 39/16 (2006.01) F16L 55/115 (2006.01)
Patent
CA 2498698
A self-tightening retaining system for securing a closure in position closing an access port of a pump housing. The system includes a retaining cover for obstructing removal of the closure from a bore of the access port. The cover has external threads interengageable with screw threads of the bore. A locking device is configured for being secured to the cover such that the locking device rotates together with the cover. The locking device has a fastener receivable in a hole of the closure and has external threads interengageable with threads of the hole. The threads of the cover and the threads of the fastener are spiraled in opposite directions such that when the cover rotates in a loosening direction, the fastener becomes tightened in the hole of the closure thereby stopping the rotation.
Un système de retenue autoserrant pour sécuriser une fermeture en position de fermeture d'un orifice d'accès d'un logement de pompe. Le system inclut un couvercle de retenue pour obstruer l'enlèvement de la fermeture d'un alésage de l'orifice d'accès. Le couvercle est doté de filetages externes interengageables avec les filetages de vis de l'alésage. Un dispositif de verrouillage est configuré pour être fixé au couvercle de façon que le dispositif de verrouillage tourne de concert avec le couvercle. Le dispositif de verrouillage comprend un dispositif de fixation pouvant être reçu dans un orifice de la fermeture et comprend des filetages externes interengageables avec les filetages de l'orifice. Les filetages du couvercle et les filetages du dispositif de fixation sont en spirale dans des directions opposées de façon que le couvercle puisse tourner dans une direction relâchée, le dispositif de fixation se resserre dans l'ouverture de la fermeture, arrêtant ainsi la rotation.
Jensen Ernest J.
Mclain Anthony W.
Gardner Denver Inc.
Smart & Biggar
LandOfFree
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