U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 411/24 - Oppositely acting double wedge expander means


Subclass of Class 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
Definition: Subject matter wherein the anchor or device includes a pair
No. of patents: 46
Last issue date: 04/15/2008


1    
NumberTitleIssue Date
7357363Expansion bolt
An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou...
04/15/2008
7351021Fixing element for inserting into a longitudinal cavity of a carrier
A fixing element of plastic includes a foot part for insertion into an oblong hole of a carrier plate. The foot part includes a head and a shaft. The fixing element can be locked in the oblong hole after the insertion of the head by a quarter turn. The shaft include...
04/01/2008
7320555Cardan shaft structure with tightness adjustable functions
A cardan shaft structure with tightness adjustable functions has a through-hole passing through spheres located at both ends of the cardan shaft body, and a taper socket respectively installed into the opening end of each sphere. A bolt is inserted into both spheres...
01/22/2008
7241095Dowel with locking features and method of using the same
A hollow dowel pin adapted to secure together at least two mating components during the assembly thereof includes an elongate generally cylindrical main body portion, first and second mating edges, and at least one outwardly extending tab. The elongate generally cyl...
07/10/2007
7237451Gear-changing device for a motor-vehicle gearbox
A gear-changing device for a motor-vehicle gearbox, including a gear-changing lever which is pivotable arranged with respect to a support part about a bolt. The bolt is held in an axially nondisplaceable manner with respect to the support part. In order to provide a...
07/03/2007
7207757Panel fastener
An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. A wedge mem...
04/24/2007
7018152Clip
A clip includes a grommet, a pin, and a thin connection portion integrally connecting the grommet and the pin. The grommet includes a pair of expandable leg pieces and has a V-shape. The pin can relatively move inside the grommet. A through hole for guiding a top po...
03/28/2006
7011281Expansion bolt
An expansion bolt. A first chock has first and second outer ramping surfaces. A second chock has an inner ramping surface complementarily corresponding to the first outer ramping surface. A spring member biases the second chock radially inwardly against the first ou...
03/14/2006
6942439Expansion dowel bushing with a compressible section
The dowel's expansion bushing (2) is placed around a threaded rod (9) inserted in the bushing's (2) expansion core (3), between the strut (8) and the core (3). The bushing (2) includes a section (16) compressib...
09/13/2005
6935821Mushrooming expandable anchor
A self-anchoring fastening device for installation in supports for hanging pipes wires or other articles in ceilings is shaped for a socket to drive the device for an easy installation process. The device comprises a collapsible anchoring portion having radially exp...
08/30/2005
6840485Support device for supporting an article
In a support device for supporting an article, particularly in a motor vehicle, wherein the support device comprises a support arm having at one end thereof a clamping element, the clamping element includes a cylindrical bushing of an elastic material for reception ...
01/11/2005
6629808Expandable mounting pin arrangement
Mounting pin arrangements are useful for connecting a first and a second structure together. When the pin is inserted in a mounting structure the mounting pin arrangement needs to expand to seal the arrangement to prevent dust and dirt from entering the m...
10/07/2003
6357960Non-protrusive expandable clamping device
A Non-Protrusive Expandable Clamping Device fastens together two bodies when conventional fastening devices cannot be used because of the unique space constraints and/or the shape of the joining surfaces of the bodies. The expandable clamping device, whic...
03/19/2002
6302627Multipart dowel for a removable anchor
A multi-component dowel for a removable anchor comprises an outer dowel sleeve and an expander with a collar gripping over an end of the dowel sleeve. The expander is movable within the dowel sleeve. There is at least one dowel sleeve ring bead arranged o...
10/16/2001
6299397Double ended expansion fastener
An elongate fastener is provided for securing a pair of panels together wherein the panels includes respective bores therein. Each end of the fastener includes an expansible end portion thereon which is arranged to be received within the respective bore. ...
10/09/2001
6293743Expansion anchor and method therefor
An expansion anchor installable in a pre-drilled hole formed in a base material. The expansion anchor includes a bolt having a shaft with a head portion, an opposing end portion, and a threaded portion. A shoulder is disposed on the shaft intermediate the...
09/25/2001
6012886Toilet seat attachment structure
A toilet seat attachment structure is used for attaching a toilet seat unit on a toilet bowl. The structure includes a bolt with an axis portion, an abutting member disposed around the axis portion, an expanding member situated adjacent to the abutting me...
01/11/2000
5896971Rotational control apparatus with enhanced cooling and power transfer characteristics
An apparatus (10) for controlling the transmission of rotational forces between first (14) and second (66) members through an axially shiftable friction element (56) that rotates in unison with the first member (14) and can be selectively brought into eng...
04/27/1999
5848874Gas turbine stator vane assembly
A stator vane assembly for a gas turbine engine includes a plurality of stator vane segments and fasteners. Each stator vane segment includes an inner radial platform, an outer radial platform, at least one airfoil extending between said platforms, and a ...
12/15/1998
5816759Expansion anchor and method therefor
An expansion anchor installable in a pre-drilled hole formed in a base material. The expansion anchor includes a bolt having a shaft with a head portion, an opposing end portion, and a threaded portion. A shoulder is disposed on the shaft intermediate the...
10/06/1998
5813808Expansion screw having overlapping expanding elements
A forward and reverse expanding type expansion screw has a bolt, a nut, a forward expanding plug, a retaining tapered ring, and a backward expanding plug. By inserting the bolt through the forward expanding plug, the retaining tapered ring and the reverse...
09/29/1998
5732600Shaft assembly for use in steering systems
A vehicle (10) has a steering gear (26) connected with a frame (12) to turn steerable vehicle wheels (14). A body (16) of the vehicle (10) is resiliently mounted on the frame (12). A steering wheel (28) is connected with the body (16) of the vehicle and i...
03/31/1998
5704746Plastic fastener for threaded blind aperture
The fastener, which is typically made of thermoformed or similar plastic, includes a shank portion at least two parallel fingers which further include a proximal end and a distal end. The proximal end of the fingers is integral with a base portion and the...
01/06/1998
5702215Retractable fixation device
A fastener for securing two members together through an aligned bore in the two members, the fastener comprising a longitudinally extending body having at least one opening adjacent each of respective ends thereof, the body having a central bore hole, a t...
12/30/1997
5702214Non-removable structural fastener assembly
A fastener assembly for permanently securing together a pair of mating panels having aligned apertures therethrough including a bolt having an enlarged head at one end, a threaded shaft portion at the other end and an integral main body portion interconne...
12/30/1997
5664900Dowel joint system for connecting elements of a solid material
A system for fastening a dowel to a wooden element includes a drilling assembly for forming a blind hole in the wooden element which includes a first portion which is cylindrical and a second portion which tapers outwardly in frusto conical shape from the...
09/09/1997
5645589Anchor and method for securement into a bore
An anchor and method for securement into a bore in a medium. The anchor has a first generally hollow cylindrical section having a first plurality of spaced longitudinally directed fingers and a second generally hollow cylindrical section having a second p...
07/08/1997
5607273Printed circuit board wedge section retainer
A printed circuit board wedge assembly having a center section riveted to a printed circuit board. The center section is designed to allow the wedge operating shaft running longitudinally through the wedge assembly to be positioned into the center section...
03/04/1997
5531792Bone plug fixation assembly, expansible plug assembly therefor, and method of fixation
An expansible bone plug assembly comprises a first member closed by a substantially planar surface at one end thereof, the member having a cylindrical outer surface. A central bore extends through the planar surface, and a plurality of longitudinally dire...
07/02/1996
5253963Snap together wedgelock
An improved wedgelock assembly for retaining printed wiring boards in a device. The snap-together wedgelock assembly is made up of a screw assembly and a main wedge. The main wedge having fingers for retaining the screw assembly in place....
10/19/1993
5169269One-strike wedging type blank nail
This invention relates to one-strike wedging type blank nails for use in rigidly joining, in a simple operation, wooden articles in manufacture of furniture, or ceramic articles (such as roofing or other tiles) or metallic articles in the building and con...
12/08/1992
5161916Self-seating expansion anchor
An expansion anchor received within a predrilled bore for mounting a platelike panel to a portion of stratum in which the bore is drilled and including a bolt having a head on a lower end thereof, an upper portion, distal the head, defining a set of right...
11/10/1992
5156647Snap-together wedgelock
An improved wedgelock assembly for retaining printed wiring boards in a device. The snap-together wedgelock assembly is made up of a screw assembly and a main wedge. The main wedge having fingers for retaining the screw assembly in place....
10/20/1992
5106250Connecting element for a facing panel
A connecting element for a facing panel with a hole having a small depth and an undercut, includes an expanding cone insertable into the hole undercut, and thread shaft extending from the expanding cone. A roof-shaped bent expansible element is displaceab...
04/21/1992
4946325Expansion anchor stud
An expansion anchor stud comprises an expansion anchor for gripping a hole in a surface, an axially-aligned, externally threaded stud of substantially the same outside diameter as the anchor and engaging the distal end of the anchor, and an axially-aligne...
08/07/1990
4789282Expansion anchor stud
An expansion anchor stud comprises an expansion anchor (16) for gripping a hole (25) in a surface (24), an axially-aligned threaded stud (14) of substantially the same outside diameter as the anchor (16) and engaging the distal end of the anchor (16) for ...
12/06/1988
4772166Dual expansion anchor
A dual expansion anchor comprising a pair of inner and outer expansion fasteners connected to each other by means of a screw-threaded connecting tie, said expansion fasteners being adjustable on the connecting tie to adjust to the spaced positions of an i...
09/20/1988
4746240Self crimping connection for inner and outer members and method of assembling the same
A self crimping connection for inner and outer members and the method of making the same includes providing the inner member with stepped cylindrical exterior walls defining an outboard wall of reduced diameter relative to an inboard wall with an annular ...
05/24/1988
4652192Expandable, plastic panel fastener
The fastener is in a single piece and adapted to achieve the blind assembly and fixing of sumperimposed elements (A, B) provided with openings (C, D) which have a substantially square-shaped common part in which the fastener is engaged so as to fix togeth...
03/24/1987
4493344Mechanical plug device
The mechanically operable plug device is for use with the end of a pipe or conduit. The plug device is for removably sealing the conduit end so that the conduit can be tested for leaks. The mechanically operable plug device is comprised of two spacially p...
01/15/1985
1    
 
Sign InRegister
Username  
Password   
forgot password?