Scissors-type thread-cutting device for a sewing machine

Details Scissors-type thread-cutting device for a sewing machine Scissors-type thread-cutting device for a sewing machine

1998-11-02

2000-03-07

Izaguirre, Ismael

Sewing

Elements

Thread cutting, severing or breaking

D05B 6500

Patent

active

060325984

ABSTRACT:
A scissors-type thread-cutting device for a sewing machine includes an elongated base, which is adapted to be fixed on the machine bed. An elongated first blade member is mounted telescopically on and locked releasably on the base, and is movable lengthwise on the same when released. A sliding member can move lengthwise on the first blade member. A driving unit is adapted to be disposed on the machine bed for activating the sliding member to reciprocate on the first blade member. An elongated second blade member is mounted telescopically on and locked releasably on the sliding member, and presses against the first blade member. The first and second blade members have intersecting cutting edges, which are adapted to cut a thread therebetween during movement of the second blade member relative to the first blade member.

REFERENCES:
patent: 2301798 (1942-11-01), Spaine
patent: 2572143 (1951-10-01), Hazelton
patent: 3440985 (1969-04-01), Kozuka
patent: 3747748 (1973-07-01), Brophy et al.
patent: 4683828 (1987-08-01), Matsumoto
patent: 5178084 (1993-01-01), Rohr

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