A chalk line reel system includes a chalk cartridge having a cartridge housing including a chalk compartment at least partially filled with chalk and a chalk dispensing opening to the chalk compartment. The chalk cartridge has a frangible seal closing the chalk dispensing opening. The chalk line reel system includes a chalk line housing having an interior space, a mount structure for releasably mounting the chalk cartridge, and a seal breaking structure configured to break the frangible seal to allow chalk to be dispensed from the chalk compartment into the interior space with the chalk cartridge engaged in the mount structure. The chalk line reel system includes a reel mounted to the housing for rotation relative to the housing about a reel axis, and a chalk line wound around the reel and engageable with chalk contained in the interior space.

A chalk line device includes a housing, a spool, a chalk line, a hook, and a cap. The housing defines an outer surface and an internal chamber, and the housing includes an opening. The spool is supported in the internal chamber for rotation relative to the housing. The chalk line extends through the opening of the housing and the chalk line includes a first end and a second end. At least a portion of the chalk line is wrapped around the spool. The hook is secured to the first end of the chalk line and includes a tip adapted to engage a work piece. The cap is removably coupled to the housing to cover the opening. The cap includes a nozzle through which the chalk line extends and a projection for engaging and releasably securing the hook against the cap.

A chalk line device includes a housing, a spool, a chalk line, a hook, and a cap. The housing defines an outer surface and an internal chamber, and the housing includes an opening. The spool is supported in the internal chamber for rotation relative to the housing. The chalk line extends through the opening of the housing and the chalk line includes a first end and a second end. At least a portion of the chalk line is wrapped around the spool. The hook is secured to the first end of the chalk line and includes a tip adapted to engage a work piece. The cap is removably coupled to the housing to cover the opening. The cap includes a nozzle through which the chalk line extends and a projection for engaging and releasably securing the hook against the cap.

In one embodiment of the present disclosure, a chalk line assembly includes: (a) a first marking portion for setting a first point, wherein the first marking portion has a height; (b) a second marking portion for setting a second point, wherein the second marking portion has a height; and (c) a chalk line for marking chalked straight line on a surface, the chalk line having first and second ends and a length extending for at least a portion of the distance between the first and second marking portions.

In one embodiment of the present disclosure, a chalk line assembly includes: (a) a first marking portion for setting a first point, wherein the first marking portion has a height; (b) a second marking portion for setting a second point, wherein the second marking portion has a height; and (c) a chalk line for marking chalked straight line on a surface, the chalk line having first and second ends and a length extending for at least a portion of the distance between the first and second marking portions.

A fastener includes a body that defines an opening at one end of the body. The opening is defined by a first edge of the body, a second edge of the body, and a third edge of the body. The opening is configured to receive a chalk line. The fastener also includes a pin extending from the body, and a spacer at an end of the body opposite the opening. The spacer extends in the direction opposite the pin. A clip is at a distal end of the spacer from the body. The clip includes a pair of teeth.

A fastener includes a body that defines an opening at one end of the body. The opening is defined by a first edge of the body, a second edge of the body, and a third edge of the body. The opening is configured to receive a chalk line. The fastener also includes a pin extending from the body, and a spacer at an end of the body opposite the opening. The spacer extends in the direction opposite the pin. A clip is at a distal end of the spacer from the body. The clip includes a pair of teeth.

An improved chalk line and chalk line hook that eliminates the marking errors of prior art chalk line hooks is claimed and described. The improved chalk line hook comprises a gripping hook, line attachment loop rotatably attached to a surface of the gripping hook, and rotating attachment means which may be a pivot pin. The axis of rotation of the line attachment loop is disposed directly over the securing edge of the gripping hook, eliminating the offset suffered by prior art chalk line hooks. The invention may further comprise a container able to contain powdered chalk and having an aperture for the line to pass through, a rotating reel for dispensing and retrieving chalk line, and line passing through the container aperture and attached to a chalk line hook of the invention. The invention may further comprise a magnet disposed on a surface of the gripping hook.

An improved chalk line and chalk line hook that eliminates the marking errors of prior art chalk line hooks is claimed and described. The improved chalk line hook comprises a gripping hook, line attachment loop rotatably attached to a surface of the gripping hook, and rotating attachment means which may be a pivot pin. The axis of rotation of the line attachment loop is disposed directly over the securing edge of the gripping hook, eliminating the offset suffered by prior art chalk line hooks. The invention may further comprise a container able to contain powdered chalk and having an aperture for the line to pass through, a rotating reel for dispensing and retrieving chalk line, and line passing through the container aperture and attached to a chalk line hook of the invention. The invention may further comprise a magnet disposed on a surface of the gripping hook.

A chalk reel has a housing defining a chalk chamber and an opening for accessing the chamber. A door is movable between an open position for allowing access through the opening to the chalk chamber and a closed position preventing access to the chamber. A lock assembly is provided on the door and is movable with the door. The lock assembly rotates relative to the door between a locked position and an unlocked position and reciprocates to secure and release a lock member.