Roto-slot adjustable attachment device

Details Roto-slot adjustable attachment device Roto-slot adjustable attachment device

1996-12-20

1998-06-30

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Headed fastener element

Having resilient securing structure on shank

411339, 411539, 248635, F16B 1900, F16B 2100

Patent

active

057723800

ABSTRACT:
A lightweight, two piece adjustable attachment device provides simple installation into a part, develops robust strength, and enables alignment of a retaining screw or bolt axis with the longitudinal axis of a threaded mounting hole, despite part to mount misalignment caused by tolerance build-up in a complex assembly. The adjustable attachment device is designed to provide sufficient overlap on each side of the part of the edges of the circular receiving aperture that the adjustable attachment device is able to withstand great force without pulling out of the part. The adjustable attachment device includes a fastener receiving slot that extends across the adjustable attachment device. The adjustable attachment device is installed into a circular receiving aperture in a part to be assembled onto a larger assembly. Two halves of the adjustable attachment device lock together through the circular receiving aperture using resilient retaining projections on a plug half that interlock with projection receiving sockets on a receptacle half. A raised circular plateau provides a shoulder that closely engages the edge of the circular receiving aperture and constrains movement of the adjustable attachment device to rotation. When so installed, the adjustable attachment device rotates freely within the circular receiving aperture. The part may then be positioned for assembly to the larger assembly, and the adjustable attachment device rotated to intersect the long axis of the fastener retaining slot with the longitudinal axis of the threaded mounting hole. The screw or bolt may then be installed in the normal manner to retain the part to the assembly, despite positional error caused by tolerance build-up.

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patent: 5460348 (1995-10-01), Cox
patent: 5464187 (1995-11-01), Linkner, Jr.

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