Textiles: weaving – Weft manipulation – Weaving with stationary weft supply
Patent
1987-07-24
1988-08-16
Jaudon, Henry S.
Textiles: weaving
Weft manipulation
Weaving with stationary weft supply
139371, 139344, 1391963, D03D 4726
Patent
active
047636998
ABSTRACT:
System of detection of a shed closed to passage of a shuttle in a multi-phase weaving textile loom. This invention is comprised of the following: sensitive control bars made elastically movable along the vertical direction, with a stroke at least equalling the vertical shift necessary for the shuttle roller to disengage from the corresponding thrust roller of the dragging chain of the same shuttle; two adjoining sensitive control blades, both are on the rotary-reed facing divergent side wall of each shuttle; the outward blade is fixed and rigid while the longer inward blade is rotatable around a vertical axis; and upon detection of a persistent entanglement by the control blades, a lever pin, kept in a retracted position by a retainer hook, is freed by movement of the retainer hook such that the lever pin springs outwards to protrude from the shuttle plane, pressing upon a sensitive control bar, generating a stop loom signal.
REFERENCES:
patent: 3880197 (1975-04-01), Bucil et al.
patent: 3933183 (1976-01-01), Mateju et al.
patent: 3933184 (1976-01-01), Mateju et al.
patent: 4135556 (1979-01-01), Santucci et al.
Bortoli Giulio
Corain Luciano
Maitan Gianni
Jaudon Henry S.
Nuovo Pignone - Industrie Meccaniche e Fonderia, S.p.A.
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