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:
Feb. 18, 2003
Filed:
Nov. 13, 2001
Janome Sewing Machine Co., Ltd., Tokyo, JP;
Abstract
A sewing machine is disclosed, wherein a downward pressure normally applied to the presser bar may be optionally adjusted in response to a selected pattern of stitches, and further may be reduced when the presser bar is lifted from the lower operative position to the upper inoperative position, and the operation may be performed smoothly and efficiently. More precisely, the sewing machine substantially comprises a presser bar having a presser foot removably mounted to the lower end thereof and being vertically movable with respect to a needle plate by means of a presser bar holder fixedly holding the presser bar , a spring for normally giving a downward pressing force to the presser bar and a swingable member which may be swingingly moved around a support pin and has one end operatively connected to the spring and the opposite end pressed against a positioning member which is operated to swingingly move the swingable member to displace the end of thereof with respect to the spring to adjust the pressing force of the spring