(b), Fig.

237, For desks, roll-top desks, chests, boxes and sliding doors.

In these, the bolt includes a hook device of some kind to resist pressure perpendicular to the selvage.

In some locks, the hook or hooks project sidewise from the bolt, in others the bolt engages in hooks or eyes attached to the strike.
[Illustration: Fig.236.

Rim-lock, for Drawer.1.Bolt.2.Selvage.