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"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 |
| 7261487 | Composite ball joint bearing for a ball joint assembly A ball joint assembly includes a housing (12) defining a socket chamber (18) and having an opening (32); a composite ball joint bearing (20) disposed within the socket chamber; a ball stud (24) supported by the composite ball joint... | 08/28/2007 |
| 7150578 | Appliance mounting bracket A clamp system for attaching accessory devices to a railing structure includes a first clamping jaw member and a second clamping jaw member designed to clamp on a railing structure. An accessory mounting device includes a cylindrical collar portion with a plurality ... | 12/19/2006 |
| 5220851 | Locking shock absorber for bicycle handlebars A lockable shock absorber interconnecting the upper portion of a bicycle front wheel fork with a handlebar thereabove provides releasably joinable body extending upwardly from the bicycle fork and pivotally mounting in its upper portion an elongate handle... | 06/22/1993 |
| 5048646 | Anti-skid device An anti-skid device of the type including an arm, carrying in its outer end a chain-provided pulley that is brought in contact with a vehicle wheel so that the chains are thrown in under the vehicle wheel. The arm is, in its inner end, journaled in a U-sh... | 09/17/1991 |
| 4743068 | Knock-down furniture coupling device An article of knock-down furniture that can be easily assembled by an end-user comprises a plurality of pieces and contact joint arrangements that prevent unwanted separation of the pieces, while permitting the pieces to rotate and flex relative to each o... | 05/10/1988 |
| 4493581 | Eccentrically tightened latch device The eccentrically and over-center latch device for high load holding capay and quick release/quick engagement with a low, flat profile which allows the device to be used in small operating clearance.... | 01/15/1985 |
| 4466630 | Bicycle spark wheel A sparking accessory adapted to be mounted on a bicycle, or the like, and comprising a stationary friction disc member and a rotational sparking disc member. In one embodiment of the invention, the accessory is mounted on a pivotal arm member which in tur... | 08/21/1984 |
| 4261423 | Field cultivator shank An earth working implement such as a field cultivator shank for use on a tool bar of a field cultivator includes a mounting bracket having an upper end and a lower end. The mounting bracket is secured at the lower end of the mounting bracket to the tool b... | 04/14/1981 |
| 4213591 | Joint means for light fittings, such as office lamps A joint means for light fittings, such as office lamps, comprising pairs of bars arranged after one another and connected with each other by pairs of joint plates. The plates are pressed against each other and the bars with clamping screws. The bars are c... | 07/22/1980 |
| 4022121 | Adjustment cams for removing end play from tying mechanism on a baler A tying mechanism on a baler having a bale forming chamber incorporates an improvement for removing end play between the components of the tying mechanism. The tying mechanism includes an elongated drive shaft and a plurality of side-by-side units mounted... | 05/10/1977 |
