Abstract
This work synthesizes the mechanism structures of the drawloom for pattern-weaving, which was illustrated unclearly in many ancient Chinese literatures. Based on the analysis of mechanism, the structural characteristics and design constraints of the mechanism with uncertain members and joints are concluded. Then, according to the concepts of generalization and specialization subject to the concluded design constraints, all feasible structures of mechanism that meet the technological standards of the subject’s time period are reconstructed including 16 and 8 design concepts for the heddle foot-falling device and the heddle foot-raising device, respectively. This reconstruction process provides a logical foundation to deal with the issue of the ancient mechanical drawings with uncertain members and joints.
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