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:
Aug. 06, 1991
Filed:
Dec. 07, 1989
Munekazu Nishihara, Neyagawa, JP;
Kenichiro Suetsugu, Amagasaki, JP;
Tetsuo Fukushima, Hirakata, JP;
Jyunji Ikeda, Ikoma, JP;
Yakeshi Yoshii, Osaka, JP;
Masato Tanida, Yao, JP;
Kazumi Nishimura, Higashiosaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A bicycle frame comprising a lug and a pipe to be fitted onto a projection at the lug, annular grooves opposite to each other being disposed at the mutual contact surfaces of the lug projection and pipe, wherein an unidirectional form memory alloy changeable of its outer diameter by heating is disposed in one of the opposite annular grooves, and the projection of the lug and the pipe are bonded at the fitting surfaces by means of a thermosetting adhesive, whereby the bicycle frame is high in safety and superior in productivity and has an improved bonding strength and mechanical juncture.