The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 07, 1992
Filed:
May. 10, 1991
Applicant:
Inventor:
Akifumi Nakashima, Ichinomiya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D05B / ; G08B / ; G08B / ; F21V / ;
U.S. Cl.
CPC ...
11212111 ; 112277 ; 112278 ; 112447 ; 340691 ; 362253 ;
Abstract
A sewing machine comprising a sewing machine lamp for illuminating an area around an end of a sewing needle, and a plurality of color filters provided on a rotary disk which is rotated by a stepping motor so that the area around the end of the sewing needle is illuminated by light of a selected one of a plurality of different colors. When an abnormal condition detector for detecting an erroneous operation or an abnormal condition such as an accident of the sewing machine detects an abnormal condition, an abnormal condition warning device changes the color of the illuminating light to a color corresponding to a type of the abnormal condition.