The invention relates to a door lock provided with an oblique bolt. The objective is to decrease the external force directed into to deadlocking organs. The oblique bolt consists of slanted surfaces on both sides such that the tip part is narrower at its tip than in the back part of the tip part. The tip part has recesses in its lower part and upper part, which extend from the tip to the back part. Both recesses have a turning piece. Additionally, the oblique bolt has a support piece and flexing organs. The turning pieces guide external force up to a given turning angle via the support piece and flexing organs into the deadlocking organs.

Disclosed herein is an improved gate latch for holding a gate locked with a fence. A striker component is adapted inside an elongated housing. The striker component has a first rod and a second rod, each passing through a spiral coil. A ring-shaped structure is also provided at one end of the second rod. Further, an engagement assembly is provided that has a lock cylinder and a retainer. The lock cylinder is operated using a key to move the retainer in and out of the ring-shaped structure. The retainer is received by the ring-shaped structure when the gate latch is in a locked position. A spring mechanism provided with the lock cylinder that allows the key to always come back to its lock position without getting stuck in any other position.