| 摘要 |
A rigid base plate (20), (22), or (24) attaches to and is supported by or is manufactured as part of the vertical carriage plate (34) of a track type drafting machine. A rigid base plate (26 ), (28), or (30) attaches to and is supported by the vertical carriage plate (36) of a track type drafting machine. These base plates (20), (22), (24), (26), (28), or (30) support a matrix of elongated retainers (32) or other retaining mechanisms. These retainers (32) or non-scratching mechanisms must have the ability to retain drafting templates or curves on drafting surfaces from horizontal thru vertical and be easy to use. Said base plate (20), (22), (24), (26), (28), or (30) may be designed to contain trays for compasses, areas for calculators and be of single or multi-level design. This allows frequently used drafting tools to remain within easy reach of drafting person, allowing them to move without impairment and be more productive.
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