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:
Jul. 10, 1990
Filed:
Jul. 06, 1988
Masaki Hashimoto, Osaka, JP;
Noboru Yamaguchi, Settsu, JP;
Araya Industrial Co., Ltd., Osaka, JP;
Abstract
The present invention constitutes a construction joint of a bicycle frame comprising a rear dropout body having projecting portions decreasing in taper as they extend away from the body, each projecting portion defining an elongated screw hole extending along a longitudinal axis of the projecting portion, the projecting portion defining a slit extending on both sides of the screw hole; chainstay and seat stay pipes, each surrounding a projecting portion, the chainstay and seat stay pipes having gradually decreasing diameters towards the base end of the projecting portions; a screw or wedge inserted into the screw hole to enlarge the outside circumference of the projecting portion until it fixedly contacts the interior of the chainstay and seat stay pipes; and an adhesive agent spread around the projecting portion of the rear dropout body and inside the chainstay and seat stay pipes.