Patent ID: 9488159
Filing Date: 2016-11-08
CPC Classification: B66F,F03G

Claim Text:
1. A lifting system comprising: a vertical pole configured to extend perpendicularly away from a ground surface; a first block module; a second block module, the first block module being configured to be positioned on a first side of the vertical pole and the second block module being configured to be positioned on a second side of the vertical pole; support projections being positioned at intervals along the vertical pole, the support projections including a first set of support projections and a second set of support projections, wherein the first set of support projections are positioned below the second set of support projections; a carriage including pinions, a tilting system including the vertical pole coupled to the carriage, the tilting system being configured to tilt the carriage in a first direction and a second direction on an axis created by the pinons, wherein responsive to the tilting system tilting the carriage in a first direction, the first pinion is configured to move from the first set of support projections to the second set of support projections, and responsive to the tilting system tilting the carriage in a second direction, the second pinion is configured to move from the first set of support projections to the second set of support projections.