The role of the push pin
1. Elephant trunk lock is also called rebound buckle and rebounder. It is small in size and powerful in function. It is mostly used to open and close the door. The biggest feature is that after installing the elephant trunk lock, you don't need to use the handle to open the door. You can open the door by pressing the door panel directly, and press it again when closing the door.
The material is mostly iron, and the surface treatment is nickel-plated. Sometimes stainless steel is used in order to have more service life of the inspection port and stricter material requirements, and the spring inside the trunk lock also needs to be stainless steel.
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