"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
|5606753||Fixing device with a locking mechanism|
A fixing device with a locking mechanism includes a bolt having a hexagonal head, a seat attached to the bottom face of the bolt head, and a washer to be fit onto the threaded shaft of the bolt. The seat has an engagement portion which is raised from an o...
A two member threaded fastener includes integral ribs and/or locking fingers formed concentrically around threaded portions of the two members which make up each fastener. The ribs and/or locking fingers interferingly interengage one another as the two me...
|4106541||Quick acting coupling|
A quick acting coupling for coupling together heavy cargo pipes which includes releasable locking means to permit rotation of a cam element in one direction and prevent rotation in an opposite direction, and upon release of this locking means to permit ro...
|4067371||Mechanically locking fastener|
A mechanically locking fastener has external threads for installation in the threaded bore of a workpiece. A lock ring has internal radial serrations locked in serrations of the fastener proper, and external radial teeth of a form for gripping the wall of...
|4046481||Gland nut retaining means|
Retaining means for preventing loosening of a gland nut, for example, at the end of a push-pull outboard motor steering cable. The gland nut is provided with a plurality of circumferentially spaced axially extending ribs. The retainer comprises a ring of ...