"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7329166 | Automotive toy comprising flexible elements An automotive toy (1) constructed from a number of toy building elements, of which a plurality are configured as functionality modules (2, 3, 4, 5), each of which being configured with technical means for performing a specific functionality in the auto... | 02/12/2008 |
| 7269880 | Dura T gate adjustable hinge 003 The invention provides a metal hinge assembly with vertical and horizontal adjustment mounted onto the component of a gate. The top having a rotating support arm is machined with two mounting nuts, the first bolt extends horizontally with threaded rod to hold two nu... | 09/18/2007 |
| 7240397 | Refrigerator A refrigerator having a cabinet with a pair of hinge holes, a door having a pair of hinge shafts and being rotatably coupled to the cabinet by engagement between the pair of hinge shafts and the pair of hinge holes, and a door-closing device to allow the door to be ... | 07/10/2007 |
| 7203996 | Hinge door arrester for vehicle doors The invention relates to a hinge door arrester, particularly for vehicle doors, comprised of two hinge parts (2, 4), which are connected by a hinge pin (6) in a manner that permits them to swivel about a rotational axis (8) and between which a d... | 04/17/2007 |
| 7197790 | Hinge including a gas strut A hinge which includes a gas strut. The hinge in one embodiment further includes a first control arm and a second control arm which is coupled to the first control arm. The gas strut in this one embodiment is coupled to both first and second control arms. ... | 04/03/2007 |
| 7178201 | Hinge structure for flat visual display device Disclosed is a hinge structure for a flat visual display device. The hinge structure comprises: a fixed plate and pivotal plates respectively fastened to the flat visual display device and a supporting portion for straightening the flat visual display device; rotati... | 02/20/2007 |
| 6925683 | Hinge A hinge comprises two elements, respectively attachable to first and second structures, and hingedly rotatable about an axis relative to each other. One said element comprises a first elongate member extending along the direction of the said axis and having a keyway... | 08/09/2005 |
| 6799352 | Zero backlash assembly A hinge assembly which creates a zero backlash situation. The base member has multiple seats, each having two contact ridges. The contact ridges are formed by an intersection of two planes (ideally substantially ninety degrees). A ball interconnect is engaged by the... | 10/05/2004 |
| 5930868 | Olive knuckle hinge An improved olive knuckle hinge is described wherein, shaft and thrust bearings in addition to a compression trapped pivot shaft are utilized to: reduce wear and friction, increase load handling capabilities and to provide for a space between the two hing... | 08/03/1999 |
| 5822832 | Hinge for doors A hinge, comprising at least one first element which is fastenable to an upright member and a second element which is fastenable to a plurality of rolling bodies interposed between the first element and second element, the rolling bodies rolling along a f... | 10/20/1998 |
| 5524691 | Portable panels for a stage shell Adjacent backdrop panels and a suspended canopy comprising a stage shell, wherein the backdrop panels include angular alignment devices for readily and accurately aligning adjacent panels to present a pleasing, uniform appearance and tilt aligning devices... | 06/11/1996 |
| 5008976 | Digital apparatus having a display section adjusted by a hinge assembly with rolling resistance A hinge assembly has a plurality of rollers which are pressed against an elastic washer by a shaft. The rollers and elastic washer are contained within a cylindrical retainer which is held in a fixed position relative to a first bracket, while the shaft i... | 04/23/1991 |
| 4864690 | Laterally swinging hinge device A laterally swinging hinge, which can longitudinally turn back and forth at an angle of approximately 315°, and which is to be mounted on an ordinary door or automobile door; the hinge can also have a laterally swinging angle of at least 5° in either di... | 09/12/1989 |
| 4494275 | Swinging door hinge assembly having a rolling member A swinging door hinge assembly comprises a primary hinge and a secondary hinge. By way of an axle rotating on a staircase-shaped axle seat in the primary hinge, the door can be opened in either direction, slowly closed, or opened at a wide angle for a lon... | 01/22/1985 |
| 4359804 | Load supporting hinge structure with concealed angular bearing There is disclosed an improved load supporting hinge structure which includes concealed bearing units, disposed within an intermediate knuckle of one of the hinge leaves and adjacent to the spaced end knuckles of the other one of the hinge leaves to affor... | 11/23/1982 |
| 4097959 | Load supporting hinge structure There is disclosed an improved load supporting hinge structure which includes bearing units disposed between adjacent knuckles of the leaves of the hinge to afford both the desired support and smooth operation thereof. Each of the knuckles of the hinge st... | 07/04/1978 |