Claims
- 1. A selecting device for a double-function sewing machine having a first stitch forming mechanism including a drive shaft (38) for producing one type of stitch, a second stitch forming mechanism for producing another type of stitch and a single machine drive motor (6), said selecting device comprising a first belt wheel (31) mounted on the drive shaft (38) and being rotatable relative to said drive shaft; first transmission means (31A) connecting the first belt wheel to the machine drive motor; first clutch means (20-24) arranged between the first belt wheel and the drive shaft and being displaceable between an operative position in which said first clutch means connects the first belt wheel to the drive shaft and an inoperative position in which said first clutch means disconnects the first belt wheel from said drive shaft, said first clutch means including a first cam (20); a second belt wheel (36) mounted on the first belt wheel and being rotatable relative to the first belt wheel second transmission means (32A) connecting the second belt wheel to the motor; second clutch means (32-34) arranged between said second belt wheel and said first belt wheel and being displacable between an operative position in which said second clutch means connects said second belt wheel to said first belt wheel and an inoperative position in which said second clutch means disconnects said second belt wheel from said first belt wheel, wherein the first and second clutch means and the first and second belt wheels are mounted on said drive shaft (38), said second clutch means including a second cam (32); and operator-controlled means including a first lever (13) and a second lever (14) and being selectively operated to cause one of said first and second levers to cooperate with one of said first and second cams to thereby displace one of said first and second clutch means into said inoperative position while the other of said first and second levers is held in an inoperative position so that the other of said first and second clutch means may remain in said operative position.
Priority Claims (1)
Number |
Date |
Country |
Kind |
55-9941 |
Feb 1980 |
JPX |
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Parent Case Info
This application is a continuation of application Ser. No. 230,600, filed Feb. 2, 1981, abandoned.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
4267786 |
Hanyu et al. |
May 1981 |
|
4343250 |
Hanyu et al. |
Aug 1982 |
|
Foreign Referenced Citations (3)
Number |
Date |
Country |
160948 |
Apr 1921 |
GBX |
1267361 |
Mar 1972 |
GBX |
2065729 |
Dec 1979 |
GBX |
Continuations (1)
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Number |
Date |
Country |
Parent |
230600 |
Feb 1981 |
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