Abstract: A stud bolt clip is provided with a tube having an oblong center. Provided inside the tube are opposing first claws projecting from the inside surfaces of the long sides of the tube, and opposing second claws projecting from the inside surfaces of the short sides of the tube. The second claws are flexible, and the projection of the second claws is greater than that of the first claws. The gaps between the inside ends of the first claws and the second claws are smaller than the outside diameter of the stud bolt shank. Thus, the stud bolt clips can be positively secured to the stud bolts even when there is a difference between the stud bolt pitch and the clip pitch by absorbing the irregular shift of the stud bolt in the tube.

Abstract: An improved fastening clip of the U- or C-shaped type has a thread engaging hole in the axially opposed clip wall with a novel hole form. The perimeter surface of the hole includes a cooperating conical rim and pair of strengthening corrugations that work together to lead the fastener tip into the hole, as well as to strengthen and stiffen the surface. The corrugations also provide thread engaging bight portions close to the plane of the axially opposed clip wall, providing added fastening security with a relatively short fastener.

Abstract: A pushnut fastener for engagement on a cylindrical stud and particularly suited for conveying to the point of use through automatic feed systems comprises a metal body of relatively thin, uniform thickness having oppositely facing first and second exterior surfaces and a circular radial outer marginal periphery. A central opening extends axially through the body between the oppositely facing exterior surfaces and defines a generally circular inner marginal periphery having resilient finger-like engagement portions for engaging and gripping the exterior of the cylindrical stud. The finger-like engagement portions are inclined to extend laterally of the body outwardly of the first exterior surface a maximum distance of d.

Abstract: An aircraft window clamping ring is used to hold an optical sensor window against an aircraft wall. The ring has a plurality of cantilevers having upper contacts that bear directly down on the window. Because of the flexibility in the vertical direction, thermal expansion is compensated for by movement of the cantilevers. Horizontal expansion of the window creates no additional stress because the upper contacts bear perpendicular to possible horizontal movement. The cantilevers can be designed to preload the window to take into account maximum thermal expansion.

Abstract: Presented is an adjustable connector assembly for utilization in adjustably connecting two juxtaposed members which, for proper fit, must be secured to one another and must be capable of being moved relative to each other to accomplish a proper fit. An example of such a situation is provided by a door frame which must be attached to supporting structural members and which must be plumb even though the supporting structural members to which the door frame is secured are not plumb. The adjustable connector assembly includes a first connector secured to one of the juxtaposed members and a second connector rotatably mounted on the first connector and also connected to the other juxtaposed member.

Abstract: A screw anchoring device and method for preassembled aperture sealing attachment with an apertured panel to confine insulating material foamed in place between the panel and a spaced wall. The screw anchoring device includes a flat portion having a central helical screw receiving impression with a retained knock-out central area capable of being displaced by a screw. The device is secured to the apertured panel with a screw receiving impression overlying the panel aperture. The screw anchor device has one or more wing portions formed integrally with the flat portion, said wing portions diverging from the plane of the flat portion in a direction away from the screw receiving impression and adapted to be imbedded in the foamed insulating material.