Attachment device

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...

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Details

411112, 411999, F16B 3702, F16B 3704

Patent

active

058270264

ABSTRACT:
An attachment device for attaching one object to another object. The attachment device comprises a U-shaped clamp, a bolt, and a U-shaped nut. The clamp has an upper and low portion and the nut has two upward projecting members. The upper and lower portions have a hole for receiving the bolt and the lower portion has two nut holes for receiving the upward projecting members of the nut. A first object is inserted between the upper and lower portions and the bolt is tightened to cause the upper and lower portions to grasp the first object. The upward projecting members prevent the attachment device from being over tightened and weakening the clamp. The members also prevent the attachment device from rotating when it is clamped to the first object. A second object may be attached to the attachment device by inserting the bolt through a hole in the second object.

REFERENCES:
patent: 2378684 (1945-06-01), Carlstrom
patent: 4375933 (1983-03-01), Hassler et al.
patent: 4728235 (1988-03-01), Patti
patent: 5538377 (1996-07-01), Stewart et al.

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