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:
Mar. 21, 1995
Filed:
Jan. 21, 1994
Yusaku Katoh, Fukuyama, JP;
Abstract
The present invention relates to a core bar member for rubber crawler device in which a middle-flanged rolling wheels or outer-flanged rolling wheels are used, and a rubber crawler device in which the core bar members are adopted, and it is an object of the present invention to decrease sinking of the rolling wheels engageable with the core bar members during running and the vibrations produced due to the sinking as much as possible. A core bar member for middle-flanged rolling wheels which is a feature of the present invention is constructed so that projections which are made the contact face of the rolling wheels protrude to a fixed length in the front and rear direction of the width of wing portion of the core bar member, and at the same time the upper face thereof is formed to be of arcuate face or inclined face uprising toward the protruding side, and a core bar member for outer-flanged rolling wheels is constructed so that stepped shoulders which contact the face of the rolling wheels protrude to a fixed length in the front and rear direction of the width of wing portion of the core bar member, and at the same time the upper face thereof is formed to be of inclined face uprising toward the protruding side.