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:
Apr. 02, 1991
Filed:
Sep. 27, 1989
Masaki Inoue, Aichi, JP;
Toyoda Gosei Co., Ltd., Nishikasugai, JP;
Abstract
A method of manufacturing a tubular vibration-insulating bushing including a cylindrical outer tube; a vibration-insulating rubber member disposed within the outer tube, and extending lengthwise along the outer tube, and extending widthwise transversely of the inner tube in such a manner that opposite lateral sides of the rubber member are connected to an inner peripheral surface of the outer tube; and an inner tube embedded in and extending through a central portion of the rubber member in coaxial relation to the outer tube is provided. The method includes the steps of: forming the outer tube from a resilient material; placing the outer tube in a mold in such a manner that the outer tube is resiliently deformed into an oval cross-section; pouring a molding material into the outer tube of an oval cross-section to mold the vibration-insulating rubber member so as to provide the bushing, the rubber member extending widthwise along the greatest diameter of the outer tube of an oval cross-section; subsequently removing the bushing from the mold; and subsequently press-fitting the outer tube into a cross-sectionally circular bore of a holder bracket while deforming the outer tube into a circular cross-section, thereby fixing the outer tube relative to the bracket.