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:
Jun. 06, 2000
Filed:
Nov. 23, 1998
Etsuzo Nomura, Kasugai, JP;
Akihiro Funahashi, Handa, JP;
Itaru Shibata, Nagoya, JP;
Tohru Takemura, Inazawa, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Abstract
A holing sewing machine including a workpiece-presser elevating and lowering mechanism which elevates and lowers a workpiece presser, a needle-thread cutting mechanism which cuts a needle thread conveyed by a sewing needle; a bobbin-thread cutting mechanism which draws a bobbin thread from a bobbin and cuts the bobbin thread, an interlocking mechanism which mechanically interlocks the elevating and lowering mechanism, the needle-thread cutting mechanism, and the bobbin-thread cutting mechanism, with one another, such that the elevating and lowering mechanism elevates the workpiece presser after the needle-thread cutting mechanism cuts the needle thread and the bobbin-thread cutting mechanism cuts the bobbin thread, a drive source which drives the interlocking mechanism to operate the workpiece-presser elevating and lowering mechanism, the needle-thread cutting mechanism, and the bobbin-thread cutting mechanism, the drive source being controllable with respect to a speed of operation thereof to drive the interlocking mechanism, and a control device which controls the drive source such that the drive source is operated at a higher speed at at least one of a time when the needle-thread cutting mechanism cuts the needle thread and a time when the elevating and lowering mechanism elevates the workpiece presser, than a speed at a time when the bobbin-thread cutting mechanism draws the bobbin thread from the bobbin.