Patent ID: 11951051
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A vehicle comprising:
a lifting system comprising:
a top plate;
a bottom plate;
N pairs of hinged plates, wherein the N pairs of hinged plates are connected by 2N pairs of hinges to N sides of the top plate and the bottom plate, where N is an integer greater than 2;
a bladder arranged between the top plate and the bottom plate and between inner edges of the N pairs of hinged plates; and
first and second track systems including:
a first wheel;
a second wheel;
a horizontal member connecting the first wheel to the second wheel;
a motor driving at least one of the first wheel and the second wheel; and
an endless belt connected around the first wheel and the second wheel,

wherein the first and second track systems extend the lifting system outwardly from a floor surface of the vehicle; and
a ramp configured to hold the lifting system on the first and second track systems as the first and second track systems extend the lifting system from the vehicle.