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:
Oct. 13, 1987
Filed:
Jun. 07, 1985
Noritaka Koga, Sakado, JP;
Toshio Yamagiwa, Niiza, JP;
Honda Giken Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
A pair of right and left main pipes and or a pair of right and left down tubes, or a main pipe and a down tube are formed of one piece of continuous pipe material with its intermediate portion warped. The head pipe has a supporting surface portion corresponding to the surface of the aforementioned warped intermediate portion. This supporting surface portion is integrally cast together with a tubular main body portion of the headpipe. The warped intermediate portion of the pipe material is fixed to the supporting surface portion of the head pipe by welding. According to the present invention, the constructions and shapes of the welded portions are simplified. Thus, the invention is best suited to robot welding in order to improve productivity. Also, the head pipe is formed at its front surface or its both sides of its tubular main body portion with an opening in order to reduce the weight.