Threading apparatus of sewing machine

Details Threading apparatus of sewing machine Threading apparatus of sewing machine

1995-12-15

1997-04-01

Izaguirre, Ismael

Sewing

Elements

Needles

D05B 8702

Patent

active

056156294

ABSTRACT:
An apparatus for putting a sewing thread through an eye hole of a sewing needle of a sewing machine, including a hook member having a hook portion movable through the needle eye to catch the sewing thread positioned adjacent to the needle eye; a holding member which cooperates with the hook member to hold the sewing thread; a biasing member which biases the holding member to press the sewing thread against the hook portion of the hook member; a supporting member which supports the hook member, the holding member, and the biasing member such that the three members are movable between a distant position distant from the needle eye and a near position near to the needle eye and are movable at the near position so that the hook portion of the hook member advances and retracts through the needle eye to catch the sewing thread, draw the caught thread through the needle eye, and obtain a loop of the thread; and a releasing member which releases the sewing thread from the hook member by moving the holding member away from the hook portion of the threading hook against the biasing action of the biasing member, at least one of the supporting and releasing members being movable relative to the other member so that the holding member and the releasing member are engaged with each other and the holding member is moved away from the hook portion of the hook member against the biasing action of the biasing member.

REFERENCES:
patent: 4649843 (1987-03-01), Muroi et al.
patent: 5088426 (1992-02-01), Ogawa
patent: 5097775 (1992-03-01), Ogawa et al.

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