Sewing – Work manipulating – Guides
Patent
1989-03-03
1990-07-17
Falik, Andrew M.
Sewing
Work manipulating
Guides
112147, 112153, D05B 3502
Patent
active
049414178
ABSTRACT:
A seam forming apparatus for forming a full felled seam at one lateral edge of each of two limp material segments establishes a specific geometrical relationship between the segments. The apparatus includes a fold assembly which extends along a reference axis from an input end to an output end. The fold assembly constrains portions of said first and second segments adjacent to the lateral edge to be substantially adjacent and substantially straight in the direction transverse to the reference axis at points near the input end of the fold assembly. Those portions are constrained to be substantially V-shaped in the direction transverse to the reference axis and oppositely-directed and interleaved at points outside and near the output end of the fold assembly. Between the input and output ends, those portions are constrained to be substantially adjacent and substantially Z-shaped in the direction transverse to the reference axis.
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Falik Andrew M.
The Charles Stark Draper Laboratory Inc.
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