Fully rotating hook for a lock stitch sewing machine

Details Fully rotating hook for a lock stitch sewing machine Fully rotating hook for a lock stitch sewing machine

1984-03-16

1986-03-25

Reynolds, Wm. Carter

Sewing

Elements

Revolving hooks

112256, D05B 5708, D05B 5726, D05B 7102

Patent

active

045775729

ABSTRACT:
A fully rotating hook includes an outer member or rotary loop taker having a track groove therein and an inner shuttle member or bobbin case a projection extending into the groove. A spaced relation between the track groove and the projection is maintained by feeding compressed air into a clearance therebetween.

REFERENCES:
patent: 730692 (1903-06-01), Parkes
patent: 1188818 (1916-06-01), Parkes
patent: 1596487 (1926-08-01), Hohmann et al.
patent: 2907165 (1959-10-01), Adams et al.
patent: 3146744 (1964-09-01), Bradshaw
patent: 3509840 (1970-05-01), Rovin
patent: 3769925 (1973-11-01), Von Hagen

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