Opnus Blog | Comfortable and Smart Lock for Apartments

Do you know about an interconnected lock? It is one type of the lock used in a front door. The interconnected lock is becoming popular in apartment constructions. I'd like to write about it's features and the reason why it is becoming popular. Appearance - integration with a handle Features - single action egress The reason of becoming popular - with fire codes 1. Appearance - integration with a handle One of the interconnected lock Interconnected locks have a single cylinder and a handle. From the inner side, they are integrated. From the outside, often they seem apart. 2. Features - single action egress To unlock the door from outside, you have to use key. From inside, you need only to push down the handle. The handle and the deadbolt are connected so that you can open the door with single action. In our words, that feature is called "single action egress". This is very different from the normal deadbolt that needs ...

In apartments, the manager has to change the front door keys when tenants move out or move in. Do you know how hard it is? Today, I'll write about how to change a cylinder lock. Cylinder on a door To change the key, managers have to change a cylinder from a front door lock. Let's see how to change a cylinder. In Japan, there are many types of lock. This time, I'll show the typical type of lock. 1. Take out a thumbturn cover The interior piece that you operate to lock or unlock is called "thumbturn". First, take out the cover of thumbturn. You can use a  flathead screwdriver. 2. Take out the cylinder After removing the cover, you can see the plate and screws. Remove the screws with the screwdriver. You can remove the plate and the cylinder from the door at same time. 3. Install a new cylinder After removing the plate and the cylinder, put the new cylinder into the door hole. You can fix the cylinder with fastening screws fro...

Hi, I am Yuki. Today I'll write about one of our products called "Memolis". That is our most selling product in the apartment market in Japan. It has three features. Cost saving Easy to use High security 1. Cost saving In Japan, re-keying cost when a tenant moves out is from about $180 to $270 each. Some apartment owners or management companies pay for that cost.  By using “Memolis” you re-key with only buying a new key set. This will reduce the cost of the cylinders. 2.Easy to use In general, only maintenance staffs or lock smiths can do re-keying. It takes about 20 to 60 minutes to change a whole cylinder. With “Memolis”, anyone can do re-keying using only keys within a minute. 3. High security Some keys are very easy to duplicate. That is convenient for real tenants but also unsafe because bad guys can easily duplicate. Memolis key is very difficult to make a copy because of its shape and cutting. That is very secure for...