Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 7278809 | Telescopic captive fastener A telescopic captive fastener has a knob, a ferrule, a spring, and at least one sleeve. The sleeve extends telescopically between the ferrule and the knob. ... | 10/09/2007 |
| 7244085 | Fastener assembly A fastener assembly includes a grommet having an enlarged bulbous body and a cylindrical extension projecting therefrom, the projection and body defining axially aligned openings therethrough. The cylindrical projection is configured to retain a washer on the outsid... | 07/17/2007 |
| 7210885 | Supporting bushing A supporting sleeve configured for introduction into a penetration in a component. The hole of the supporting sleeve is penetrated by a fixing pin that is insertable into a carrier so as to fix the component on a carrier. The supporting sleeve includes a closed ring... | 05/01/2007 |
| 7207762 | Push-on screw-off attachment device An attachment device for attaching a substrate to a support structure includes a housing having a space defined by facing wall portions. The space captures a rotatable push nut with flexible teeth. The housing is attached to the substrate using a flange positioned o... | 04/24/2007 |
| 7204668 | Panel fastener with spring retaining ring A fastener assembly having a bolt having a shaft and a nose portion at its terminal end. A ring is mounted on the bolt. The ring is an elongated piece of resilient material curving from a first end about the bolt shaft, then curving back around to a second end adjac... | 04/17/2007 |
| 7172380 | Wheel nut assembly A wheel nut assembly includes a stud (1), a main wheel nut (4) mountable on threads (3) provided on the stud, and a retaining nut (6) engageable with threads (5) provided on the stud to prevent accidental loosening of the wheel nut... | 02/06/2007 |
| 7021876 | Simplified installation captive panel fastener A simplified captive panel fastener including a head, shank, a threaded outer end, and a centrally threaded opening at the outer end. Longitudinal slots extend along the outer end of the fastener to receive a retention washer with inwardly extending prongs. The meth... | 04/04/2006 |
| 6961987 | Nut and plate washer assembly A nut and plate washer assembly formed from a separate nut body and a separate washer body. The washer body is press fit onto a shank of the nut body, with a head of the nut body embedded in a recess of the washer body. The washer body and nut body can be made from ... | 11/08/2005 |
| 6135690 | Connecting device including guide sleeve with expandable collar A closure device for connecting two members which for example have at least in regions the form of plates, includes a closure pin which can be secured, if necessary, loss-proof on the first member and a receiving element which can be disposed on the back ... | 10/24/2000 |
| 5785449 | High pressure jackscrew connector High pressure jackscrew connectors for removably attaching a first component to a second component having an internally threaded member. One preferred embodiment described includes a panel mount member which is attached to the first component to be joined... | 07/28/1998 |
| 5779288 | Low profile latch mechanism A low profile latch mechanism for an access panel that minimizes external structural discontinuities while concomitantly providing external access to engage and/or disengage the latch mechanism for closing and/or opening of the access panel. The latch mec... | 07/14/1998 |
| 5779409 | Torque limiting retention subassembly for floating insert threaded fastener assemblies A retention subassembly for FI threaded fastener assemblies, which retention subassembly is operative to limit the torque, and consequently, the loads acting on the FI threaded fastener assembly and/or on the components coupled thereby. The retention suba... | 07/14/1998 |
| 5746561 | Alignment tolerant fastening system An alignment tolerant fastening system for interconnecting first and second members having first and second bores therethrough, respectively, is disclosed. The fastening system may include a fastening member having a shank portion which is receivable with... | 05/05/1998 |
| 5399053 | Quick action panel fastener assembly including a cup enclosed retainer receiving a bolt therein A fastener assembly for joining a panel to a sub-panel comprising a receptacle assembly having a threaded stud secured to the undersurface of the sub-panel. The assembly includes a bolt having an enlarged head at one end and a nose at the other end. The p... | 03/21/1995 |
| 5195858 | Fastener apparatus for locking together two components A fastener for joining together two components includes a closure pin permanently securable to a first component and a receptacle disposed on the far side of a second component. The closure pin has a head section adapted for support in an outer side of th... | 03/23/1993 |
| 5106251 | Automatic locking device for pop out handle locks The present invention discloses an automatic locking device for effecting the locking engagement of a lock stud within a stud receiving fixture adapted for locking two complimentary structures together formed by a lock mechanism of the type provided with ... | 04/21/1992 |
| 5082406 | Self locking panel fastener with device for visually indicating whether fastener is locked A self locking panel fastener comprising a receptacle connected to one of the two panels being secured together, the receptacle having an internally threaded nut portion, an externally threaded stud having a head portion extendible through the apertures o... | 01/21/1992 |
| 5073070 | Panel fastener with floating grommet assembly A panel fastener having a bolt and a floating grommet assembly which assembly includes a grommet fixedly mounted in a hole in a panel and a spacer spaced from the grommet and swaged thereagainst and also against the bolt of the panel fastener. In this mat... | 12/17/1991 |
| 5066180 | Easy access nutplate A nutplate assembly (10), for attaching to a structure (11), is comprised of a nut element (14), an insert (16), a snap ring (18), and a cover plate (20). Installation of the assembly (10) does not deform the attaching structure (11) and the insert (16) c... | 11/19/1991 |
| 4971496 | Non-metallic acoustic and thermal isolating fastener mount A non-metallic acoustic and thermal isolating fastener mount comprising a housing 20, a threaded locking plate 30, an elastic diaphragm 40, and an unthreaded spacer 50 is disclosed. The housing 20 includes a cavity 24 and a pair of outwardly extending arm... | 11/20/1990 |
| 4963063 | Captive panel fastener A captive panel fastener includes a head, a shank, internal threads, and external, longitudinally extending slots extending from near the head to near the shank's outer end. A washer is provided and the washer has inwardly extending prongs that fit into t... | 10/16/1990 |
| 4931683 | Housing for a small motor The two bearing brackets (4, 5) of a small motor are clamped by means of stud screws (2, 3) against the respective end face of the motor casing (1). The stud screws (2, 3) extend axially by free bolt ends (21, 31) beyond one bearing bracket (5). Onto thes... | 06/05/1990 |
| 4923347 | Anchor nut-cage fixing systems An anchor nut-cage fixing system is provided for positioning on a metal sheet from one of the faces of this metal sheet with a view to receiving bolts presented from this same face and comprising: a nut (1) with wings adapted for cooperating with an elong... | 05/08/1990 |
| 4884930 | Panel fastener with friction cones A fastener apparatus for joining together a plurality of plates, including an internally-threaded pin adapted to be guided through aligned openings in the plates and a generally cup-shaped accommodating element that can be tightened with the pin via a thr... | 12/05/1989 |
| 4863326 | Captive fastener A captive fastener for securing two closure members together comprises a crew component adapted to be affixed to one of the closure members and a complimentary nut component adapted to be affixed to the other closure member. The screw component comprises ... | 09/05/1989 |
| 4692075 | Panel fastener A screw-type fastener comprising two cooperable assemblages for releasably securing a panel having one of said assemblages to an underlying support structure such as a sub-panel or other framework having the other assemblage. The said other assemblage of ... | 09/08/1987 |
| 4616967 | Panel fastener This invention provides a captive fastener in which a nut is held to a workpiece by a retainer ring held in a two-piece grommet attached to the workpiece, the retainer ring being flat and split, with its grain perpendicular to a diameter bisecting the spl... | 10/14/1986 |
| 4609314 | Panel fastener A screw-type fastener comprising two cooperable assemblages for releasably securing a panel having one of said assemblages to an underlying support structure such as a sub-panel or other framework having the other assemblage. The said other assemblage of ... | 09/02/1986 |
| 4464091 | Captive fastener This invention provides a captive screw and a nut, the captive screw including a collar having an opening receiving the shank of a screw, the opening having a portion of wide diameter and a portion of narrow diameter. The screw has a full-depth thread at ... | 08/07/1984 |
| 4464090 | Captive panel fasteners A captive panel fastener having an enlarged head and a threaded shank with a pair of slots extending longitudinally along the outer periphery of said shank through the threads thereon. A C-shaped ring is trapped in a grommet assembly and has a pair of inw... | 08/07/1984 |
| 4432680 | Stressed panel fastener This invention provides a shear resistant panel fastener that includes a bolt having a head and a shank with a first relatively large diameter portion adjacent the head and a second smaller diameter threaded portion, a sleeve on the second portion of the ... | 02/21/1984 |
| 4430972 | Retaining device for fuel pump push rod A device useful in retaining the position of a push rod associated with an engine during removal of a fuel pump is comprised of a hollowed machine bolt and a second bolt associated therewith by spring means. The hollowed bolt is comprised of a polygonal h... | 02/14/1984 |
| 4387497 | Captive screw assembly method and product A cylindrical bushing is positioned over the shank of a screw member prior to forming threads on the shank. After the threads are formed, the outside diameter of the threads is greater than the inside diameter of the bushing so that the bushing is held ca... | 06/14/1983 |
| 4372718 | Tail lamp attachment The invention provides a new and improved fastener for attaching a tail lamp assembly to an apertured vehicle body panel. According to the invention, a stud member has a first shank portion which is externally threaded for threaded attachment within a thr... | 02/08/1983 |
| 4324517 | Panel fastener assembly with retainer ring A quick-acting panel fastener assembly for joining a panel to a sub-structure is disclosed. The fastener assembly includes a sleeve bolt, a grommet assembly which is attached to the panel and a receptacle assembly which is attached to the sub-structure. T... | 04/13/1982 |
| 4202390 | Slip-on receptacle A slip-on receptacle adapted to be inserted on one of two members to be fastened in alignment with a hole therein and to receive and engage with a stud coupled with the other of the two members so as to fasten the two members together. The receptacle incl... | 05/13/1980 |
| 4191236 | Captive panel fastener assembly A panel fastener including a stud assembly and a receptacle assembly for receiving the stud assembly therein. Both the stud assembly and the receptacle assembly include mating locking teeth and a movable pin permitting the teeth to be locked together with... | 03/04/1980 |
| 4125140 | Access panel fastener An access panel fastener in which a threaded fastener element is captured within an annular retainer affixed to the access panel and is movable axially relative to the retainer between a securing position and a hold-out position. A plurality of jaws in th... | 11/14/1978 |
| 4069855 | Captive panel fastener A stud-like captive panel fastener which a rigid, continuous, retaining ring may be installed on or removed from without deformation of the ring and which will not accidentally become dislodged from the fastener under normal usage. The fastener is formed ... | 01/24/1978 |
| 4040151 | Partial turn panel fastener Improved partial turn fastener designed to hold a pair of superimposed panels in fixed registration with each other and allowing release of one panel from the other by merely a partial turn of the knob or screw of the fastener. Featured is the arrangement... | 08/09/1977 |
