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:
Sep. 08, 1981
Filed:
Jul. 19, 1979
Takeshi Jinnouchi, Sakado, JP;
Nippon Oil Seal Industry, Co., Ltd., Tokyo, JP;
Abstract
A bellows apparatus consisting essentially of a bellows main body and restriction means for restricting elongation and contraction, said restriction means comprising plural annular guide metals provided integrally to said bellows main body with a predetermined spacing therebetween in the axial direction, plural guide members secured integrally to each of said guide metals and extending in the axial direction, and plural stoppers extending integrally in the circumferential direction from the edge section in the axial direction of said guide members. Said guide members displaced with respect to each other in the circumferential direction, and their respective stoppers engage with adjacent stoppers and the annular guide metals to thus restrict elongation and contraction respectively of said bellows main body.