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Self-aligning-floating-nut-fastener

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Self-aligning floating nut fastener

Details

Inventors: Harris, David J.; Elgin, Richard L.;
Assignee: General Electric Company (Cincinnati, OH)
Primary Examiner: Wilson; Neill R.
Assistant Examiner:
Attorney, Agent or Firm: Lawrence Derek P., Rosen; Steven J.

An improved nut fastener is utilize with a back-up plate to perfect a bolted flange joint. The fastener includes a cage having a planar body affixed to the back-up plate in bearing engagement with a surface thereof. Opposed sides upstanding from the cage body are configured to loosely capture a spherical faced washer, a spherical faced nut, and a nut anti-torque collar in self-aligning relation with a joint bolt hole. An extension of either the cage body or the collar is configured to engage the back-up plate in a manner to inhibit rotation of the cage.

DETAILED DESCRIPTION Having described the invention, what is claimed as new and desired to secure by Letter Patent is: 1.
A self-aligning, floating nut fastener for use with a bolt in clamping at least two parts together to form a joint, said fastener comprising, in combination: A.
a washer having a spherical surface portion; B.
a nut having a spherical surface portion complementing said washer spherical surface portion, and a non-circular peripheral surface portion; C.
a collar having an opening conforming to said nut peripheral surface portion; D.
a cage for capturing said nut, washer and collar with said nut and washer spherical surface portions in substantially nested relation and with said nut peripheral surface portion received in said collar opening such as to inhibit rotation of said nut; E.
means affixing said cage to one of the joint parts; and F.
anti-turn means integrally formed as an extension of one of said cage and collar for engaging one of the joint parts to resist rotation of said cage.
2.
A self-aligning, floating nut fastener for use with a bolt in clamping at least two parts together to form a joint, said fastener comprising, in combination: A.
a washer having a spherical surface portion; B.
a nut having a spherical surface portion complimenting said washer spherical surface portion, and a non-circular peripheral surface portion; C.
a collar having an opening conforming to said nut peripheral surface portion; D.
a cage for capturing said nut, washer and collar with said nut and washer spherical surface portions in substantially nested relation and with said nut peripheral surface portion received in said collar opening such as to inhibit rotation of said nut; E.
means affixing said cage to one of the joint parts; F.
anti-turn means integrally formed as an extension of one of said cage and collar for engaging one of the joint parts to resist rotation of said cage, and said cage includes a planar body with a pair of opposed sides upstanding therefrom and with opposed slots formed in said sides, said collar including opposed wings received in said side slots

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