Patent ID: 9481550
Filing Date: 2016-11-01
CPC Classification: B66B

Claim Text:
1. An elevator system comprising: one or more elevator shafts; two or more elevator cabs positioned within each of said one or more elevator shafts, said two or more elevator cabs including at least a first elevator cab positioned above a second elevator cab, each of said two or more cabs having a first and a second wall that are substantially parallel to each other, wherein the first elevator cab is the topmost elevator cab and the second elevator cab directly succeeds the first elevator cab; a first set of at least four cables connected to said second elevator cab, at least two cables of said first set of at least four cables positioned on said first wall of said second elevator cab and at least two cables of said first set of at least four cables positioned on said second wall of said second elevator cab, wherein each of said cables is connected to a respective counterweight in a first set of counterweights; and a lift cable connected to at least one location of said second elevator cab and an associated lift motor, said lift cable capable of moving said second elevator cab in response to activation of said associated lift motor.