Chalk line apparatus and method of operating a chalk line apparatus

作者: Clyde Torp , Mark Nepil

DOI:

关键词:

摘要: A chalk line apparatus having a housing defining chamber and reel for flexible mounted rotation within the chamber. The further includes collection space that communicates with through opening. on is extendable opening, space, container opening to be exposed use.

参考文章(16)
Jeffery Moore, Chalk box with arched neck ,(1993)
Thomas M. Chervenak, Joseph A. Sorensen, Anthony B. Fuller, Toby J. Beckmann, Chalk line reel ,(1997)
Luke Schmillen, Spring lock spring line chalk box ,(2004)
Gary Pritchard, Marking tape measure ,(2004)
Jean Guy Dufour, Quick rewind chalk line reel ,(1994)
William Ralph Bond, String line box tool ,(2005)
Christopher C. Mazczewski, Craig W. Smith, Joseph K. Donaldson, Kevin M. Hanneman, Non-spill chalk line and measured refill cartridge ,(2001)