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 |
| 5253949 | Fail-safe universal joint connection A universal joint (10) for a steering gear input shaft (11) includes a yoke (12), a bolt (14) movable into an installed position in the yoke, and a spring clip (22) for locking the bolt in its installed position in the yoke. The spring clip (22) moves wit... | 10/19/1993 |
| 5226769 | Device for the assembly and the rapid disassembly of two parts, one on the other The present invention relates to a device for the assembly and disassembly of a first pair (12) and of a second part (10), the first part (12) being securely attached to a first member (14) co-operating with a second member (22) retaining the second part ... | 07/13/1993 |
| 5211537 | Compressor vane lock Variable compressor vanes are locked into a selected position after testing. The usual sync ring and vane arms are removed. A vane lock joins adjacent vanes locking them into the selected position.... | 05/18/1993 |
| 5209620 | Fastener with differentially inclined axes A fastener, to be inserted into a receiving hole in a panel, has a cylindrical body with a longitudinal axis and a straight bore through the body with an axis that is inclined relative to the axis of the body. In another type of fastener, the fastener has... | 05/11/1993 |
| 5205693 | Quick release bolt A locking bolt apparatus includes a bolt having a fastening end with a circumferential channel around the fastening end, a bolt lock assembly including a cylindrical sleeve for receiving the fastening end of the bolt, the cylindrical sleeve having a pin s... | 04/27/1993 |
| 5197841 | E-shaped retainer ring An E-shaped retainer ring comprising an inner circumference that engages with a retainer ring accommodating groove formed around the circumference of a shaft; an opening through which a shaft passes when the retainer ring is mounted on and removed from th... | 03/30/1993 |
| 5178504 | Plugged fastening device with snap-action locking for control and/or signalling units A snap-action fastening device comprises an operative unit to be fastened to a switchboard and a flange unit having seats receiving fins of a member containing control and signalling units and adapted to be snapped on and fastened to an elongated stem of ... | 01/12/1993 |
| 5165720 | Device for fixing in position an adjustable steering column of an automobile vehicle The device is of the type comprising a steering column support structure (1) connected to the rest of the structure of the vehicle and comprising two side members (2,3) between which the column is disposed, and means for fixing the column in position by u... | 11/24/1992 |
| 5160165 | Device for fixing in position an adjustable steering column of an automobile vehicle The fixing device comprises a steering column support structure for connection to the rest of the structure of the vehicle and comprising two side members (2,3) between which the steering column (4) is disposed, and means for fixing the column in position... | 11/03/1992 |
| 5158409 | Bolt lock device Means for preventing the common rotation of one of a bolt and a nut in the case where the other of said bolt and said nut is rotated by means of a tool, such as spanner, to screw up a plurality of members by the use of the bolt and the nut is provided.... | 10/27/1992 |
| 5156508 | Cam action clamp A cam action clamp for use against a fixed clamping surface comprising a threaded shaft extending outwardly from the fixed clamping surface and a movable clamping member having a channel therethrough to allow the clamping member to be mounted on the threa... | 10/20/1992 |
| 5143473 | Securing device with fastening element having rotation stopping means A securing device is provided which comprises a fastening element and a tightening member, the device being suitable for fastening furniture panels together. Features are incorporated in the fastening element which improve the quality of the joint which c... | 09/01/1992 |
| 5110244 | Fastener assembly Fasteners, such as bolts, are normally utilized to provide an arrangement to secure two members together. When working forces are applied to the assembled members trying to tear them apart, the size of the bolts and the ability to apply the proper torque ... | 05/05/1992 |
| 5104141 | Alignment device for double eccentric CAM arrangement Camber adjustment assembly for adjustably and securely positioning a wheel within a vehicular suspension system utilizing a generally vertically arranged support strut with the lower end of the strut being provided with a generally "U"-shaped bracket secu... | 04/14/1992 |
| 5090857 | Metallic threaded composite fastener A metallic threaded composite fastener, particularly suited for high temperature applications, has a body member made of high temperature-resistant composite material with a ceramic coating. The body member has a head portion configured to be installed in... | 02/25/1992 |
| 5090853 | Fastener with taper attached component A fastener with components locked to a fastener shank by tapered inserts disposed about a tapered segment of the shank. The attached components include an internal frusto-conical wall having a taper corresponding to the tapered inserts. Both the head as w... | 02/25/1992 |
| 5073072 | Threaded split-bushing fastener assembly The threaded split-bushing fastener assembly has been designed for high temperature applications such as on hypersonic vehicles. The fastener assembly consists of a pin (with a standard countersunk head at one end and a tapered end at the other end), a tu... | 12/17/1991 |
| 5022672 | Theftproof quick-release type clamping assembly for mounting bicycle part A theftproof quick-release type clamping assembly for mounting a bicycle part comprises a tie rod having one end screwed to an end nut and formed at the other end with an enlarged head, and a hollow presser member fitted around the enlarged head as movabl... | 06/11/1991 |
| 5007781 | Tapered split-bushing fastener The tapered split-bushing fastener has been designed for high temperature applications. The fastener consists of a pin (with a standard countersunk head at one end and a tapered end at the other end), a split tapered bushing, a washer and a sleeve with an... | 04/16/1991 |
| 4975009 | Bolt and wedge assembly for panel units A wedge and bolt assembly serves to temporarily connect two prefabricated panel units for use in assembling a concrete wall form. A bolt support member is mountable on a prefabricated panel, and includes a first hollow passage formed therethrough to slidi... | 12/04/1990 |
| 4946209 | Fast-acting clamping device for releasably connecting two components A fast-acting clamping device for releasably connecting first and second components includes a bolt passing through an opening in the first component and having one end with a head and another end with an anchoring device anchored in an opening in the sec... | 08/07/1990 |
| 4929135 | Device for temporarily coupling-uncoupling two members, and for subsequent separation thereof A device for temporarily coupling together and subsequently separating a first member and a second member, comprises: a male member joined to the first member; a female member joined to the second member and comprising an axially elongate hollow body in which ... | 05/29/1990 |
| 4862760 | Shift lever assembly and method of assembling A shift lever assembly for an automotive transmission including a lower shift lever for engaging and operating an automotive transmission to select a desired gear stage. An upper shift lever is detachably coupled to the lower lever and serves for manual a... | 09/05/1989 |
| 4846615 | Pin and wedge fastener for connecting lattice panel bridges A pin and wedge combination for connecting together adjoining lattice bridge panels (M) is characterised in that the pin (P) has a plurality of diametric slots (S) spaced along its axis and with ends which overlap in the general direction of the axis. Add... | 07/11/1989 |
| 4786204 | Clamping apparatus with bi-directional clamping device A clamping device for exerting clamping forces in two directions to a shank between a pair of spaced clamping members having a transverse stop. The device includes an elongated bolt like body having a pair of axially spaced sections, a head at one end and... | 11/22/1988 |
| 4763957 | Bicycle hub constructions and lubrication thereof The forks of a bicycle receive an axle having threaded ends. A tube surrounds the axle and carries ball bearings on which a wheel housing is rotatable with a space between the tube and the housing. Specially shaped seals engage the wheel housing and the t... | 08/16/1988 |
| 4653740 | Quick clamping apparatus for skis of various widths An apparatus for the quick clamping of skis of various widths is described, having two parallel guide rods on which a movable clamping jaw is guided. By means of a threaded element and an eccentric lever, the movable clamping jaw is reciprocated in the ax... | 03/31/1987 |
| 4579477 | Pin-key assembly A tapered pin-key for securing a part and a shaft where the part has a cylindrical bore for receiving the shaft and a keyway tangentially intersecting the bore, and the shaft has a tangential groove shallower than the depth of the intersection of the keyw... | 04/01/1986 |
| 4569290 | Carriage A carriage for suspending a load such as a compartment of a vehicle or the like, is basically comprised of a pin, rod or bar from which the load is centrally suspended and which by and in itself is suspended by two wheel carriers, each supporting a wheel ... | 02/11/1986 |
| 4281773 | Electrical wiring box An electrical wiring box having a pair of mounting elements associated therewith for permitting the quick and easy mounting of an electrical device within the wiring box. Each mounting element has a central portion with a screw receiving opening. Side por... | 08/04/1981 |
| 4257308 | Anchoring device for an opening, e.g. a tube end The invention concerns an anchoring device, more particularly a screw anchoring device, for insertion in an opening, e.g. in the end of a tube, to there form an anchor for a screw or bolt introduced into the opening. The device comprises an internally thr... | 03/24/1981 |
| 4240322 | Wedge-pin fastener A fastener for joining a pair of elements comprises a fastener member having an elongated stem provided at one end with an enlarged head and formed spaced from this head with a transversely throughgoing passage. This fastener member is insertable through ... | 12/23/1980 |
| 4230017 | Pull-type blind fastener construction An improved pull-type blind fastener is disclosed comprising a tubular sleeve having a mandrel longitudinally movable within the sleeve for forming a head on one end thereof and a locking collar adapted to be moved into engagement with a lock pocket provi... | 10/28/1980 |
| 4198895 | Fatigue performance collars and lockbolt construction An aircraft fastener element, as a collar or nut, designed and constructed to produce improved fatigue performance in low shear transfer joints. The improved collar or nut has a bearing surface which abuts against the adjacent surface of the workpiece ape... | 04/22/1980 |
| 4131376 | Fitting for detachable connecting structural parts The present invention relates to a fitting for the detachable connecting of structural parts, and particularly of flat structural or cabinet parts. The fitting consists of a locking element which is rotatably inserted in a first construction part and of a... | 12/26/1978 |
| 4127345 | Lock spindle blind fastener for single action application A lock spindle blind fastener, formed of a suitable, related metal, which includes a mandrel, a sleeve and a locking collar in which the sleeve has a countersunk head having an under head included angle greater than the included angle of the as-prepared h... | 11/28/1978 |
| 4106877 | Lobular pin A pin has a pilot point of uniform width throughout 360° and a body containing a cross section of arcuate polygonal lobular configuration, also of uniform width but wider than the point. The pin may be driven into a circular hole in a member such that th... | 08/15/1978 |
