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:
Jul. 16, 2019
Filed:
Apr. 14, 2016
Yamato Mishin Seizo Kabushiki Kaisha, Osaka, JP;
YAMATO MISHIN SEIZO KABUSHIKI KAISHA, Osaka, JP;
Abstract
Provided is a sewing machine including: a pair of feed bars that are incorporated in a cylinder and are each capable of conveying a material by moving to draw elliptical trajectories in side view; an oil seal abutting outer surfaces of the pair of feed bars by surrounding an entire periphery in a direction intersecting a longitudinal direction of the pair of feed bars; and a seal-supporting unit provided on an inner wall of the cylinder and configured to support the oil seal, wherein the pair of feed bars are configured to be movable upward through the opening of the cylinder, the seal-supporting unit includes an upper opening that allows the pair of feed bars to move upward, and the seal-supporting unit is immovable relative to the cylinder when the pair of feed bars move upward through the opening.