| US 7,536,800 B2 | ||
| Chalk line apparatus and method of operating a chalk line apparatus | ||
| Mark Nepil, St. Charles, Ill. (US); and Clyde Torp, Naperville, Ill. (US) | ||
| Assigned to Keson Industries, Aurora, Ill. (US) | ||
| Filed on Jun. 07, 2007, as Appl. No. 11/810,861. | ||
| Prior Publication US 2008/0301961 A1, Dec. 11, 2008 | ||
| Int. Cl. B44D 3/38 (2006.01) | ||
| U.S. Cl. 33—414 | 26 Claims |
| 1. A chalk line apparatus comprising:
a housing defining a chamber within which a supply of chalk can be stored;
a reel within the chamber and mounted for rotation relative to the housing around a first axis,
the housing having an opening through which a flexible line emanating from the reel can extend to outwardly of the housing;
and
a chalk control assembly, the chalk control assembly comprising:
a collection container that bounds a collection space that communicates with the chamber through the housing opening and a
coil spring at least partially within the collection space,
the collection container having an opening,
a flexible line on the reel extendable through the housing opening, the collection space, the coil spring and the collection
container opening to be exposed for use.
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