Pen holding device for an automatic drafting device
AssigneeKabushiki Kaisha Daini Seikosha
InventorHiroyuki Nakajima
Life of this patent
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Abstract
A pen holding device has a pen or pens slidable in a pen holder which is fixed removably to a drafting head frame. The pens are moved up and down by actuating means mounted on the drafting head frame, for drafting and mooring. The engagement of the actuating means to the pens are very easily released by a single releasing mechanism for easy and quick exchange of the pens.
Claims4
A pen holding device for an automatic drafting device having a drafting head frame, said pen holding device comprising a plurality of pen holders arranged in a row and removably fixed to said frame, a plurality of pens slidably held in said pen holders respectively), said pens being slidable lengthwise between an operating position and a retracted position, spring means biasing said pens in one direction, actuating means for each of said pens respectively, each said actuating means being engageable with the respective pen for moving said pen between retracted position and operating position, and releasing means for simultaneously releasing all of said pens from said actuating means for removal of said pens from said pen holders.
Dependencies are inferred from the claim text.