Lever lock keys tend to be bigger and less convenient for carrying, although lever locks tend to be more secure.
From the en.wikipedia.org
These passageways are often opened by pulling a disguised lever or lock mechanism.
From the en.wikipedia.org
Simply drop it onto the ball and snap the lever down to lock it in place.
From the cars.uk.msn.com
With the key removed from the lock, the lever or apparatus is locked in its position.
From the en.wikipedia.org
Open each door, flip the lock lever and close.
From the usatoday.com
He told one of the pilots to adjust the friction lock for the lever, which eased the tightness of the lever.
From the orlandosentinel.com
A mechanical slider hidden inside the lock moves the lever sets so that one or the other is positioned to receive a key.
From the newscientist.com
He finished his investigation by using a hacksaw to cut tiny notches in each lever for the fulcrums to lock into.
From the newscientist.com
I don't own a bike so I'm not up on all the latest bike locks, but the lock barrel and lever components are encased in hardened steel and Dupont Hytrel molding.