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. 20, 1987
Filed:
Jul. 11, 1985
Dennis Chadwick, Amherstview, CA;
Urban Transportation Development Corporation, Ltd., Toronto, CA;
Abstract
A slackless draw bar coupler arrangement in which the car has a draw bar pocket with an open top, a slotted draft plate and a buff plate and the draw bar has a bar body with a spherical head connected to the body by a neck. Located about the neck is a thrust ring for disposition between the draft plate and the head and at that side of the head remote from the neck, there is a thrust disc insert for disposition between the buff plate and the head. The thrust disc insert and thrust ring are carried in holders. Between the buff plate and the thrust disc insert is a removable wedge which is spring loaded to urge the thrust disc insert firmly towards the head of the draw bar.