Textiles: knitting – Needles
Patent
1997-07-07
1998-09-15
Calvert, John J.
Textiles: knitting
Needles
66 8, 66115, D04B 3502
Patent
active
058063471
ABSTRACT:
A modified sub-needle with associated actuation elements for circular stocking machines, which is constituted by a lower sub-needle provided with a selection heel and by an intermediate sub-needle provided with an upper heel and a lower heel; the top of the lower sub-needle has a lower external region and an upper internal region for the resting of the base of the intermediate sub-needle; there is provided a first bolt cam for lifting the lower heel of the intermediate sub-needle which is adapted to selectively move the oscillating base of the intermediate sub-needle so that it rests in the lower external region or in the upper internal region of the lower sub-needle; and there is provided a second bolt cam for lowering the upper heel of the intermediate sub-needle; the selections and longitudinal movements performed by the intermediate sub-needle being suitable to reduce the longitudinal strokes required of the sub-needles and the angular extent of the bolt cams and of the selection cams.
REFERENCES:
patent: 3535892 (1970-10-01), Schmidt et al.
patent: 4905484 (1990-03-01), Schindler
patent: 5369965 (1994-12-01), Shima et al.
patent: 5694792 (1997-12-01), Nakamori et al.
Calvert John J.
Matec S.r.l.
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