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US 6,470,581 B1Granted
Dual chalk line marking device
OwnerWalter Kolodzieskiinventor
Life of this patent
Estimating the term…
Abstract
A dual chalk line marker device having two chalk line spools that are adjustably movable with respect to the housing or base. The spools are adjustable in order to vary the separation width between the chalk lines so that different widths of joist or roofing shingle can be properly marked for disposition upon a work surface.
Claims22
An adjustable double chalk line marker device, comprising:
- a housing containing two movable chalk line spools;
- adjustment means disposed within said housing for moving each spool within said housing, said chalk line spools each storing and dispensing a chalk line for marking a work surface, such that two substantially parallel chalk lines are extendable from said housing;
- and
- a chalk line receiving member disposed adjacent said housing for receiving the extendable chalk lines from said housing and for maintaining said chalk lines in extended relationship with said housing.
1 more element
An adjustable double chalk line marker device, comprising:
- a housing containing two movable chalk line spools;
- adjustment means disposed within said housing for moving each spool within said housing a given spaced apart width, said chalk line spools each storing and dispensing a chalk line for marking a work surface, such that two substantially parallel chalk lines are extendable from said housing with said given spaced apart width;
- and
- a chalk line receiving member disposed adjacent said housing for receiving the extendable chalk lines from said housing and for maintaining said chalk lines in extended relationship with said housing with said spaced apart width.
1 more element
Dependencies are inferred from the claim text.