lenovo x1 fold tablet

This new foldable laptop just weighs 1 kg, and with a the flexible, foldable 13.3" PoLED , 2048x1536 resolution from LG.

It features an inner fold screen, with a thick side bezel to increase the mechanical robustness. The fold mechanics consists mainly of a multi-link hinge and a slide spring mechanism.

A multi-link( 4 link?) torque hinge:

slide spring mechanism:
It is to stretch out the middle crease

When the tablet is open, the spring is in contracted state

When closed, the spring is in extended state

 

the fold diameter looks like a 25x to 30x screen thickness fold, pretty safe:

To fill up the gap when closed, a slim bluetooth mini keyboard(sold as an option) can be placed in between.

Durability
claims to pass a stringent 30,000 times bend test

very likely this product is learning from mechanical design team of Moto razr 2019