dense bookshelf

Compact Shelving was designed by Swiss Hans Ingold at the beginning of the twentieth century. After nearly a century of development and evolution, the use of dense bookshelves has become more and more extensive, and today there are two different forms. One is a movable bookshelf made of metal, which is characterized in that the axial (longitudinal) direction of the bookshelf and the direction of the track are perpendicular. The other is made of wood. The axis of the bookshelf is parallel to the track direction. It is used in the audio-visual rooms of many libraries in China to store audio-visual materials.

The main and obvious feature of dense bookshelves is to save space for books. It places the front and rear bookshelves closely together, and then borrows the rails to move the bookshelves, which saves the aisle space before and after the bookshelves, so that more books and materials can be placed in a limited space. Due to the close proximity of the bookshelves, it also makes it a place where books can be properly protected; in addition, it also increases the convenience of use and management.

But dense bookshelves also have some disadvantages. The first is that the cost is too high, unless there is a relatively generous budget, it is not easy to fully have the facilities (such as lighting and control facilities) of the dense bookshelf. The second is the safety of the bookshelf, which includes safety concerns for general use and earthquakes. Due to technical improvements, the dense bookshelf has been changed from the previous mechanical type to electric operation, and the user only needs to follow the steps to operate it, and the safety is very high. However, the safety of dense bookshelves during earthquakes (both books and people) is always difficult to fully grasp, and they are still vulnerable to damage when a major earthquake strikes