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:
Nov. 05, 2002
Filed:
Oct. 18, 2000
Applicant:
Inventor:
Junya Kaneko, Abiko, JP;
Assignee:
SMC Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01B 2/900 ;
U.S. Cl.
CPC ...
F01B 2/900 ;
Abstract
In a cylinder tube of a rodless cylinder, a bore having an approximately rhombic cross section is formed. The approximately rhombic cross section of the bore has a thickness smaller than a width. There is a fluid bypass passage for centralized piping in the vicinity of the bottom of both sides of the bore in the cylinder tube. In addition, in the vicinity of both sides of the bore at the upper and lower surfaces of the cylinder tube, there are thinned portions.