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:
Aug. 15, 1995
Filed:
Sep. 12, 1994
Tadaaki Hashiride, Okazaki, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A sewing machine is comprised of a bed, an arm having a vertical portion set upright on the bed, and a horizontal portion horizontally extending from the upper end of the vertical portion, an arm shaft extended within and journaled on the arm, a sewing head detachably joined to the extremity of the arm, a needle bar incorporated into the sewing head, supported so as to be driven for vertical reciprocation on the sewing head by the arm shaft, and capable of being removed from the arm together with the sewing head, a motion converting means detachably connected with the needle bar to convert the rotation of the arm shaft into the reciprocation of the needle bar, a needle thread feed device disposed on the sewing head to feed a needle thread to a needle attached to the lower end of the needle bar, and a thread takeup device disposed on the arm and capable of operating in synchronism with the vertical reciprocation of the needle bar to draw up the slack needle thread and of releasing the needle thread.