Sewing – Special machines – Darning
Patent
1986-04-10
1987-01-27
Hunter, H. Hampton
Sewing
Special machines
Darning
11212129, 271131, D05B 2100
Patent
active
046387498
ABSTRACT:
A system for selectively loading the lowermost segment of a shingled stack of limp material segments, where each segment includes one or more adjacent layers of said limp material, and wherein adjacent segments of said stack are laterally offset along a reference axis. The system includes a substantially planar surface adapted to support the shingled stack thereon, in a position so that the leading edge of the lowermost segment is adjacent to a reference point along the reference axis. A selectively operable extractor transports the lowermost segment in the direction of the reference axis and away from the stack. The extractor includes one or more sets of hinged jaws positioned for movement in the direction of the reference axis between the reference point and a point displaced from the reference point along the reference axis. The sets of jaws are adapted to selectively grip a portion of the leading edge of the lowermost segment when that leading edge is adjacent to the reference point.
REFERENCES:
patent: 2637609 (1953-05-01), Berg
patent: 3917259 (1975-11-01), Salvade
patent: 4428315 (1984-01-01), Keeton
patent: 4483529 (1984-11-01), Watanabe
patent: 4524706 (1985-06-01), Bell
patent: 4557472 (1985-12-01), Hannon
Hunter H. Hampton
The Charles Stark Draper Laboratory Inc.
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