Cage nut assembly having a stand-off nut

Details Cage nut assembly having a stand-off nut Cage nut assembly having a stand-off nut

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 39/284 (2006.01) F16B 39/28 (2006.01)

Patent

CA 2492478

A cage nut assembly (100) is provided having a nut (102) and a cage (104) wrapped therearound. The nut (102) has a number of standoffs or protrusions (120) provided on a lower surface thereof such that the standoffs are the only part of the nut which are in contact with the cage (104). The standoffs (120) reduce the amount of bearing surface interface between the cage and the nut thus reducing the possibility that the two parts will stick to each other a coating is applied. The nut is engaged with a male threaded fastener (160) which is torqued into place and the standoffs push into the material of the cage causing the cage material to flow such that the standoffs embed into the material of the cage without deforming the standoffs to a flattened condition.

Ensemble d'~crou ~ cage comprenant un ~crou et une cage am~nag~e autour de celui-ci. L'~crou comprend un certain nombre d'espaceurs ou protub~rances, am~nag~s ~ sa surface inf~rieure de mani­re ~ ce que ces espaceurs soient l'unique partie de l'~crou en contact avec la cage. Les espaceurs r~duisent la surface d'appui de l'interface cage - ~crou, ce qui ~ pour effet de limiter le risque de collage entre les deux parties apr­s l'application d'un revÚtement ~ la surface de contact ~ laquelle est soud~e la cage. L'~crou est sollicit~ par une attache m~le filet~e, qui est mont~e par application de couple, et les espaceurs rentrent dans le mat~riau de la cage, ce qui fait d~border le mat~riau constituant la cage de mani­re ~ ce que les espaceurs soient enfouis dans le mat~riau de la cage sans Útre d~form~s et aplatis.

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