Sewing – Elements – Driving mechanisms
Patent
1989-03-03
1991-04-02
Nerbun, Peter
Sewing
Elements
Driving mechanisms
112221, D05B 6900
Patent
active
050038982
ABSTRACT:
An improved driving structure for a mini-sewing machine, includes an elongated frame body having a front end and a rear end, a sewing needle which may be rigidly connected to the front end of the elongated frame body, and is arranged to operatively point downwards. A sliding block is pivotably connected to the rear end of the elongated frame body, and is formed with an elongated slot near its lower end. A driving gear and a cap are disposed on respective opposite sides of the sliding block. A coupling mechanism couples the driving gear to the cap; first and second portions of a guiding mechanism are eccentrically located on the driving gear and on the cap, respectively, and are coupled to one another through the elongated slot of the sliding block for operatively imparting a reciprocal movement to the sliding block, and thereby also to the sewing needle. A driving mechanism operatively rotates the driving gear, and is adapted to be driven by a motor.
REFERENCES:
patent: 3094955 (1963-06-01), Fischbein et al.
patent: 3745950 (1973-07-01), Kato
Lewis Paul C.
Nerbun Peter
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