초록 ▼

A carpenter\chalk marking device for producing marks at regular intervals along a straight line upon a working surface, characterized by chalk marking units mounted along a chalk line and configured to hold the line from contact with the marking surface to prevent extraneous marks. The device also i

A carpenter\chalk marking device for producing marks at regular intervals along a straight line upon a working surface, characterized by chalk marking units mounted along a chalk line and configured to hold the line from contact with the marking surface to prevent extraneous marks. The device also includes a chalk containing canister with a storage spool for the chalk line.

대표청구항 ▼

A chalk line marking device for producing marks at preselected intervals along a working surface, said device comprising: a flexible cord generally resistant to the retention of chalk dust; a multiplicity of rigid chalk dust retaining units affixed at intervals along the cord, each unit extending pe

A chalk line marking device for producing marks at preselected intervals along a working surface, said device comprising: a flexible cord generally resistant to the retention of chalk dust; a multiplicity of rigid chalk dust retaining units affixed at intervals along the cord, each unit extending perpendicularly from the cord and including chalk dust retaining material, of which only portions substantially distant from the cord are exposed, so that the flexible cord tends to be prevented from contacting the working surface during use of the device; wherein each chalk dust retaining unit comprises a pair of rigid, chalk resistant washers radially outstanding from the flexible cord; and a washer of chalk retaining material sandwiched between the rigid washers and extending at least to all points of the peripheries thereof, so as to contact the working surface when the cord is stretched thereon for use, and to hold the cord away from said working surface.