Jam resistant chalk reel
AssigneeStanley Black & Decker, Inc.
InventorsGregory David Parker, Kan-Ping Lo, Gabriel A. Haboubi
Life of this patent
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Abstract
A chalk reel includes a housing defining a chalk chamber and an opening from the chalk chamber; a spool positioned within the chalk chamber; and a line wound on the spool and extending through the opening, the line having a width of dimension X. The spool comprises an axial hub and a sidewall. The sidewall comprises a plurality of apertures extending through the sidewall from a first face distal from the axial hub to a second face proximal to the axial hub. Each of the plurality of apertures having a maximum width of dimension Y. The dimension Y is sized so that no loops of the line may fit through each of the plurality of apertures.
Claims16
A chalk reel comprising:
- a housing defining a chalk chamber and an opening from the chalk chamber;
- a spool positioned within the chalk chamber;
- and
- a line wound on the spool and extending through the opening, the line having a width of dimension X;
- wherein the spool comprises an axial hub and a sidewall;
- wherein the sidewall comprises a plurality of apertures extending through the sidewall from a first face distal from the axial hub to a second face proximal to the axial hub;
- wherein each of the plurality of apertures having a maximum width of dimension Y;
- wherein the dimension Y is sized so that no loops of the line may fit through each of the plurality of apertures.
Dependencies are inferred from the claim text.