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:
Dec. 07, 1993
Filed:
Aug. 10, 1992
Yasushi Nojiri, Kobe, JP;
Sadaaki Naito, Kobe, JP;
Sumitomo Rubber Industries Ltd., Hyogo, JP;
Abstract
A tire building apparatus includes a former made of a plurality of segment units arranged in a circumference, an inner shaft extending through the former, an outer shaft and a sleeve mounted on the inner shaft, the outer shaft and the sleeve carrying a right guide mechanism, a left guide mechanism, a right slider, and a left slider respectively, a right link mechanism, and left link mechanism provided between the right slider and the right guide mechanism, a left link mechanism provided between the left slider and the left guide mechanism. Another tire building apparatus includes a former made of a plurality of segment units arranged having a center segment, a right side segment, and a left side segment, and a right moving device for moving the right side segment in axial and radial directions, a left moving device for moving the left side segment in axial and radial directions, and a center segment support device for supporting the center segment with radially inward biasing. The former can be set into an axially expanded state, an axially contracted state, a radially expanded state, and a radially contracted state.