Patent ID: 9388545
Filing Date: 2016-07-12
CPC Classification: E02B

Claim Text:
1. A device for raising and lowering a structure, comprising: a support including a first portion and a second portion configured and arranged to receive at least a portion of the first portion, the second portion being configured and arranged to be operatively connected to the structure; a connecting member configured and arranged to be operatively connected to the structure and to the first portion, wherein the connecting member has an intermediate portion interconnecting a first end and a second end, the first end being operatively connected to the structure, the second end being operatively connected to a wheel mechanism, the intermediate portion being operatively connected to the first portion; an adjustment mechanism interconnecting the first portion and the second portion and configured and arranged to move the second portion relative to the first portion thereby moving the structure relative to the first portion; and a sensor mechanism operatively connected to the adjustment mechanism and configured and arranged to activate the adjustment mechanism under predetermined conditions, the sensor mechanism activating the adjustment mechanism to raise the second portion under a first predetermined condition and lower the second portion under a second predetermined condition.