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Class 411/334 - Plastic deformation


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the threaded element is deformed beyond its
No. of patents: 10
Last issue date: 03/11/2008


NumberTitleIssue Date
7341414Fastener and method for reducing stress failure in an engine component
A fastener and a method for reducing stress failure in a fastening joint of an internal combustion engine component are provided. The threaded fastener may be a bolt or a stud secured to an engine block. The fastener has a threaded tip portion with a radius and a di...
03/11/2008
7255523Dual threaded screw for composite materials
An improved dual threaded fastener for composite materials having a head and a shaft. The head is affixed to one end of the shaft and the shaft includes a point at its other end. The shaft includes an upper threaded portion and an upper threaded portion. The diamete...
08/14/2007
6979163Push-in removable fastener
A plastic push-in or drive fastener having a enlarged head and a shank is disclosed. The fastener is configured to allow the shank to be pushed through a complementary shaped aperture or opening in an article using a relatively low insertion force. A helical screw o...
12/27/2005
6915717Component for a motor vehicle
An assembly unit for a motor vehicle is provided with a lever arm arranged in a bearing block pivotably around an axis on a bolt fixed in mounts of the bearing block. The bearing block has at least one section opening or expanding in case of an accident as a consequ...
07/12/2005
5181310Method of making a threaded insert assembly
A method of making a threaded insert assembly for sheet material wherein a threaded insert that is a single unitary element is installed in a closely fitting hole in the sheet material with its threads occupying the hole. The sheet material around the hol...
01/26/1993
4642010Threaded fastener and method of installing same
A threaded fastener for installation in threaded engagement with an initially unthreaded apertured workpiece and which after installation can be removed in the manner of a screw or bolt, has a shank and an enlarged head. At least part of the shank interme...
02/10/1987
4448392Thread stop for a screw jack
A thread stop is provided for a screw jack including at least one elongated, substantially cylindrical screw member having an external thread. The thread stop comprises at least one radially outwardly deformed part in a predetermined portion of a minor di...
05/15/1984
4010788Bolt seal
A bolt seal for securing hasps on trailer truck doors and/or rail car doors which utilizes a round or oval head bolt which extends through the hasps and upon which a nut is threaded. The nut is threaded onto the bolt until it is tight and then a hollow tu...
03/08/1977
3982575Thread forming self-locking screw
A thread forming and vibration resistant fastener having a shank with at least a portion of its length provided with an external thread. At least a portion of the thread has an irregular surface configuration on both of its flanks in the form of a plurali...
09/28/1976
3969011Attachment assembly for preventing improper positional mounting
An attachment assembly is provided, particularly for use in automobiles, wherein one of a pair of male and female connectors may be mounted in a desired position for engagement by the other connector. A nut mounted upon one said connector is adapted to be...
07/13/1976
 
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