Patent ID: 11879703
Assignee: ZIPSTRING LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC F | IPC A  F

Claim 0:
1. A device for propelling a looped string comprising:
a first wheel rotatable about a first axis having a first wheel side orthogonal to the first axis;
a second wheel rotatable about a second axis a second wheel side orthogonal to the second axis, wherein the first wheel side and the second wheel side face a same direction; and
a housing substantially covering the first wheel and the second wheel, the housing comprising:
a first wheel cover portion and a second wheel cover portion defining a string loading slot therebetween, wherein the string loading slot facilitates loading of the looped string through the string loading slot to a position between the first wheel and the second wheel, wherein the first wheel cover portion extending over a portion of the first wheel side, and wherein the second wheel cover portion extends over at least a portion of the first wheel side and at least a portion of the second wheel side.