发明名称 TELESCOPING CHALK HOLDER
摘要 The present invention provides a telescopic chalk holder for drawing upon a drawing surface and including an outer cylinder having a tip at one end, a chalk stick received within the outer cylinder, the tip in radial receipt of the chalk stick, a push rod received by a second end of the outer cylinder and extending at least a portion of the chalk stick through the tip, and a push rod providing pressure to the chalk stick as the tip is manipulated over the drawing surface.
申请公布号 US2014270890(A1) 申请公布日期 2014.09.18
申请号 US201313797528 申请日期 2013.03.12
申请人 Whigham Christopher J. 发明人 Whigham Christopher J.
分类号 B43K23/016;B43K24/00 主分类号 B43K23/016
代理机构 代理人
主权项 1. A telescopic chalk holder for drawing upon a drawing surface said holder comprising: an outer cylinder having a tip at one end, a chalk stick received within said outer cylinder, said tip in radial receipt of said chalk stick, a push rod received by a second end of said outer cylinder and extending at least a portion of said chalk stick through said tip, and said push rod providing pressure to said chalk stick as said tip is manipulated over a drawing surface.
地址 Leawood KS US