The second type of lock design developed by the Romans is the lever lock.

The lever lock, however, was more favoured in late Roman times.

The bit has various clefts cut out and would have served quite an intricate lever lock.

It seemed that there were no bolts on the other side, just the one lever lock to deal with.

In some cases, the interlocking was still done mechanically, but in others, electric lever locks were used.

He jammed his heel down on the front lever lock, and then the back one.

They are 5 lever locks and each one can exhibit more than 6500 combinations.

I should imagine for some of the big lever locks.

If there are lever locks, make sure they lock at all points along all tubes.

The grill was secured from the inside with two lever locks.