Patent ID: 11878205
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 2:
3. The system of claim 1, wherein:
the rear sheave pin extends through the rear sheave to mount the rear sheave between the first side and the second side of the main body when the system is assembled and in the upright position;
the front sheave pin extends through the front sheave to mount the front sheave between the first side and the second side of the main body when the system is assembled and in the upright position;
the system further comprises a first pair of spacers configured to space the rear sheave from the first side of the main body and the second side of the main body;
the first pair of spacers are supported by the rear sheave pin when the system is assembled and in the upright position;
the system further comprises a second pair of spacers configured to space the front sheave from the first side of the main body and the second side of the main body; and
the second pair of spacers are supported by the front sheave pin when the system is assembled and in the upright position.