Patent ID: 11859446
Assignee: nan
Field: Mechanical elements (Mechanical engineering)
Classification: CPC E  F | IPC E  F

Claim 0:
1. A cord tightening device, the device consisting of:
a) a base being cylindrical in form with an outer wall and an interior bottom having ridges, a hollow central column, and a protrusion in the outer wall having an opening;
b) a single piece handle, fashioned in the shape of a spool, with a top flange with at least one hole therein, central cylindrical cavity, and bottom flange with ridges on the bottom, wherein the central cylindrical cavity of the handle fits onto the hollow central column of the base;
c) a spring washer fitted to the top of the central cylindrical cavity of the handle; and
d) a screw that fits into the central cylindrical cavity of the handle and fixes the spring washer to the handle.