Patent ID: 9630820
Date: 2017-04-25
CPC Classifications: A45C,B66F

Claim:
1. An automatic lift case comprising: a body having an opening; a platform movable between a lower position within the body and a higher position towards the opening of the body, the platform being releasably coupled to the body in the lower position; at least one stored force device having a natural length between its first end and a second end, the first end of the stored force device being coupled to the body and the second end of the stored force device being coupled to the platform, the at least one stored force device retaining its natural length when the platform is in the higher position and being extended beyond its natural length when the platform is in the lower position, wherein the at least one stored force device comprises a terminal on the second end, wherein the platform engages the terminal to extend the stored force device as the platform is moved toward the lower position and the platform disengages the terminal as the platform is moved towards the higher position, the platform otherwise not being coupled to the stored force device; and at least one spring each having a first end pivotably coupled to the body and a second end pivotably coupled to the platform wherein the at least one spring is pivotable and is extendable to lift the platform to the higher position when the platform is released from the body in the lower position.