Sewing – Elements – Starting or stopping
Patent
1991-05-16
1991-12-03
Nerbun, Peter
Sewing
Elements
Starting or stopping
112220, 112300, D05B 6936
Patent
active
050691490
ABSTRACT:
A sewing machine including a mercury switch for detecting tilt of the sewing machine. When the tilt of the sewing machine is detected by the mercury switch, a machine motor of the sewing machine is inhibited from being driven. Accordingly, even if a foot switch for driving the machine motor is depressed under the tilted condition of the sewing machine, the machine motor is not driven, thereby improving the safety of the machine. Furthermore, when the sewing machine is tilted during driving of the machine motor, the inhibition of drive of the machine motor is canceled, and a driving speed of the machine motor is set to a low speed. Under this condition, an operator can easily adjust a fabric feeding device, a thread cutting device and a rotating hook.
REFERENCES:
patent: 2418356 (1947-04-01), Kleber
patent: 2833235 (1958-05-01), Smellie
patent: 4233919 (1980-11-01), Takahashi
patent: 4437423 (1984-02-01), Yamazawa
patent: 4498078 (1985-02-01), Yoshimura et al.
patent: 4554879 (1985-11-01), Eguchi
Higuchi Yoshiharu
Ito Kazuhisa
Brother Kogyo Kabushiki Kaisha
Nerbun Peter
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