Patent ID: 11912546
Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. The inflatable structure of claim 16, wherein the pulley assembly includes a first pulley and a second pulley, at least one of the plurality of tethers adapted to wind onto each of the at least two pulleys, and the escapement mechanism includes a gear set including a first gear, a second gear and a third gear, each of the first, second and third gears having a plurality of gear teeth, the first pulley rotatably attached to the first gear, the second pulley rotatably attached to the second gear, and the third gear engaged with and interconnecting the first and second gears;
wherein, the release lever includes an anchor portion pivotally mounted to the bottom end cap adjacent to and engaging the third gear to prevent rotation of the first, second and third gears and the first and second pulleys and un-winding of the plurality of tethers from the first and second pulleys and adapted to be selectively actuated, wherein each actuation of the anchor portion of the release lever allows the first, second and third gears to rotate one gear tooth which allows a different measured length of the at least one of the plurality of tethers wound thereon to unwind from each of the first and second pulleys.