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https://drivepatents.com/patents/962057 · 1 Apr 2015
The present invention provides a cylindrical lock that is capable of being changed between a locked state and an unlocked state. The lock comprises: a hollow cylindrical collar (2) that has an axis (100) and bears a plurality of inwardly facing projections...
https://drivepatents.com/patents/976336 · 9 Apr 2014
The present invention provides a spoked wheel. The spoked wheel includes a rim and a hub configured to rotate with the rim. In one embodiment of the present invention, the spoked wheel includes a locking mechanism placed within the hub. In another embodime...