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    • 3. 发明专利
    • METHOD AND APPARATUS FOR SEWING
    • JPH01259893A
    • 1989-10-17
    • JP8793188
    • 1988-04-08
    • MARUZEN SEWING MACHINE
    • NISHIKAWA MAKOTONAKADA SHOICHIRO
    • D05B25/00
    • PURPOSE:To reduce the working hours by half by doing a button sewing and a button hole sewing in one process simultaneously with sewing machines juxtaposed oppositely, and clothes of front placket set between them, moving either sewing machines or clothes intermittently. CONSTITUTION:With clothes of front placket 15 spread right and left, one side of lapping parts is set so as to be located at a seaming part of a button hole sewing machine 8, the other side at a seaming part of a button sewing machine 9. Starting positions of a button hole sewing and a button sewing are located at the seaming parts of the sewing machine. Then both sewing machines are started to run, and the first button sewing and button hole sewing are done. After they are completed, either sewing machines or clothes are moved back and forth by pitch L, and the second work is done. After this, in the same way, the button sewing and the button hole sewing are repeated along the lapping parts by pitch L. Thus, as the work is done on one process, the working hours can be reduced by half.
    • 6. 发明专利
    • HAND KNITTING MACHINE
    • JPH0197244A
    • 1989-04-14
    • JP25529987
    • 1987-10-08
    • MARUZEN SEWING MACHINE
    • SUZUKI YOSHIICHI
    • D04B7/08D04B15/10D04B35/04
    • PURPOSE: To enable not only a medium-fine woolen yarn but also an extremely thick woolen yarn to be knitted by one home knitting machine by fitting a knitting needle having a hook for the medium-fine woolen yarn at the front end, a hook for the extremely thick woolen yarn at the rear end, and a butt at the intermediate, and capable of being freely connected and separated at the intermediate, to a needle groove. CONSTITUTION: A rear part comb-line 13B having a twice pitch as much as that of a front part comb-line 13A, and a needle groove 7B are installed so as to be arranged in the front and rear direction in the rear part of a rear part rail. A knitting needle 9B having a hook 8A for a medium-fine woolen yarn and a hook 8B for an extremely thick woolen yarn is fitted in the needle groove 7B so as to be freely moved in the front and rear direction. The standing part 20 of the front half body 17 of the knitting needle 9B, and the standing part 23 of the rear half are mutually brought into contact with each other, and a butt in a cap shape is fitted and covered on the standing parts. The knitting hook 9B is not operated by a carriage 3 when the hook 9B is positioned at the positions (a) and (d), and is operated when positioned at the positions (b) and (c).
    • 7. 发明专利
    • SEWING APPARATUS
    • JPS6485689A
    • 1989-03-30
    • JP26746187
    • 1987-10-21
    • MARUZEN SEWING MACHINE
    • NAKADA SHOICHIROHAYASHI MASAYOSHITADA FUMIAKINISHIKAWA MAKOTO
    • D05B3/02D05B3/06D05B3/14
    • PURPOSE: To perform a prescribed sewing at a set interval to a cloth without damaging productivity by supporting a sewing machine movable along a table while fixing the table and moving it along the table a set amount by a feed control mechanism. CONSTITUTION: An air cylinder 13 is operated, a connection shaft 8 is clamped by a piston rod 14 and a slide plate 6 is connected so as to be moved integrally with a cloth feed arm 16. The position for forming a first buttonhole is matched with the oblong hole 18 of a cloth presser 17 and the direction for forming the buttonhole is matched so as to be along the slide plate 6. The cloth feed arm 16 is moved in the right direction accompanying the drive of the sewing machine 10 and thus, the slide plate 6 and a cloth pressing and cloth supporting plate 19 integrally connected with the cloth feed arm 16 are both moved to the right. While a series of the buttonholes are formed, the cloth W is held by a cloth clamp 25. Since the sewing machine main body is moved by a set amount each and sewing is performed, the buttonholes are successively formed at the set positions even for the cloth rich in expandability.