Quotables
"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 |
| 7344333 | Bumping post block and anchor holder and hole cap used for the same and bumping post An anchor bolt bolt does not easily jump up even if a tire hits a bumping post. A through hole for inserting the anchor bolt into the bumping post is formed by embedding a cylindrical anchor holder. The anchor holder has a cylinder for receiving the anchor bolt and ... | 03/18/2008 |
| 7021688 | Test core clamp A test core clamp comprising a first longitudinally split tube comprising a split portion having opposing ends and attached to a base, and a tightening device for moving the opposing ends towards each other. The tightening device comprises two brackets one affixed t... | 04/04/2006 |
| 5366317 | Manhole cover apparatus and method A manhole cover apparatus including a collar defining an opening with an inner perimeter is provided with a pivotally mounted cover having an outer perimeter greater than the inner perimeter of the collar. A seal is provided to seal between the cover and ... | 11/22/1994 |
| 4885834 | Method and device for removing wheel nuts and cap nuts from the outer wheel of a dual-wheel double-nut system Each dual wheel assembly on a tractor or trailer system includes outer and inner wheels mounted on a plurality of studs projecting from a hub. The inner wheel is held in place on the studs by a number of flanged cap nuts and the outer wheel is held in pla... | 12/12/1989 |
| 4781502 | Anti-rotation locking device for fasteners An anti-rotation locking device for threaded fasteners which secure rotating parts subject to vibration, shock and the like. The device comprises a strap member and one or more retainer members. The strap member is positioned under the fasteners and the r... | 11/01/1988 |
| 4267870 | Screw fastener with multi-point wrenching head and locking capabilities A screw fastener with a multi-point wrenching head and locking capabilities characterized by an annular bearing collar having at least one flat surface on its periphery adapted for engagement with the locking tab of a locking strip.... | 05/19/1981 |
