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Class 411/325 - Externally threaded element includes an axially extending opening in its free end for receiving an expander member


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Device wherein the externally threaded element includes,
No. of patents: 16
Last issue date: 02/26/2008


NumberTitleIssue Date
7334961Internally disposed linear fastener system
A linear locking set screw system capable of rapid linear engagement and disengagement includes a threaded outwardly expandable set screw and an expander member which are constructed and arranged to thread easily into a threaded aperture while in a first release pos...
02/26/2008
7329076Hole location gauges and methods
The present invention provides devices and methods for indicating or gauging the position of one or more holes in a workpiece. In one aspect of the present invention reusable devices that can be removably engaged with a bore or tapped hole in a workpiece for accurat...
02/12/2008
7278810Grommet
A grommet for an opening of a sheet member includes a shank, a head and at least a flexible locking tab. The shank includes, in a region adjacent the head and outside the locking tab, a shoulder to be placed below an edge of the opening when the shank is rotated an ...
10/09/2007
7121526Drain plug assembly
A drain plug for a threaded opening in a fluid container that is particularly suited for transom drains in recreational boats. The plug has an externally threaded cylindrical body with a central channel and transverse openings to permit fluid to flow from the centra...
10/17/2006
7037027Bolted connection of two components with alignment compensation in three dimensions
A connection arrangement accommodates misalignments in three dimensions, and achieves a positive fixed connection between two components. A threaded standoff with a first bolt hole therein is partially screwed into a threaded hole in the first component and protrude...
05/02/2006
6908271Split lock screw fastener assembly and method
A self-locking bolt assembly (1) includes a split bolt (2) and a screw set pin (3). The bolt includes a threaded shank (4), an axial bore (6) extending through the shank, the bore (6) including a threaded bore section (6
06/21/2005
6666636Removable deep set drop-in anchor
A drop-in anchor includes a sleeve having a threaded region having an internal thread formed therein and a split region having at least two longitudinal channels formed therein. The channels define sections. The split region has inwardly tapered inner wal...
12/23/2003
6488459Aerospace fastener
A fastener has male and female sections, each section having an elongate portion and a head with an outer diameter larger than that of the elongate portion. The elongate portion of the male section has external threads, and the elongate portion of the fem...
12/03/2002
6089673Vehicle wheel hub and bearing retention system and method for producing same
This invention relates to an improved vehicle wheel hub and bearing retention system and method for producing the same, the vehicle wheel hub and bearing retention system including a wheel hub, a bearing unit, and a bearing retention and preload device. T...
07/18/2000
6056490Anti-rotational fastening system
An anti-rotational fastening system consisting of a primary bolt or screw that is fabricated with an axial passage at the center of the drive head extending through the entire length. The threaded end has a tapered counterbore that is sectioned to provide...
05/02/2000
5435678Insert assembly for connecting fasteners to lightweight materials
An insert assembly for installation in a workpiece having a threaded hole. When the inner insert is axially received within the outer insert, the mating surfaces of these members are configured such that the inner insert applies a radial outward force to ...
07/25/1995
5333977Bolt having a locking means
A locking bolt consists of a main bolt with a through hole extending axially along its center line, a deforming bolt rotatably mounted in the through hole in the main bolt, and a nut which is screwed onto the end of the deforming bolt. At least one slit i...
08/02/1994
4976577Locking bolt assembly
A locking bolt assembly that prevents the release of loose parts in the event of bolt failure. A bolt having a head and threaded main body portion is provided with a central bore through the head and main body portion. The central bore has a necked down a...
12/11/1990
4974988Method and a device to prevent relative displacement between two elements
To prevent relative turning between elements which are to be in threaded engagement with one another, one of the elements is provided with a recess and the other element with a non-circular through hole. When the two elements have been joined and brought ...
12/04/1990
 
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