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. 07, 1987
Filed:
Jul. 02, 1985
Mitsuo Furuta, Hiratsuka, JP;
Shinji Uchida, Kanawaga, JP;
Bridgestone Co., Ltd., Tokyo, JP;
Abstract
A rubber crawler core comprises a rectangular core body having longitudinal ends, at least one pair of protrusions integrally formed with the core body, and at least one rib integrally formed with the core body. The protrusions are situated adjacent to the longitudinal ends of the core body and extend upwardly therefrom. The rib extends upwardly from the core body between the protrusions and is oriented perpendicularly to the protrusions. The height of the rib exceeds a middle or center portion of the protrusion. The rubber crawler is formed of an endless crawler body made of a rubber material, and a plurality of the rubber crawler cores embedded therein.