Narrow portion 414 is a gauge of wear on kingpin shank 113 by placing kingpin 111 through wide portion 412 of aperture 410 and positioning tool 400 so that shank 113 is inserted through third width 403. In addition, tool 400 may be imprinted, engraved or embossed with indicia 430, 431 to provide further visual explanation of whether collar 117 has worn beyond acceptable limits 431, or is yet usable 430. However, unlike the previously discussed embodiment, first transitional region 420 provides a visual indication of the progress of wear on collar 117 and gives an operator the option of exchanging a worn kingpin for an unworn kingpin prior to wear exceeding limits. Thus, if collar 117 fits within second width 404, the wear is greater than the maximum allowed and the kingpin must be replaced. In this embodiment, the first width 402 is slightly wider than the diameter of an unworn kingpin collar 117, and second width 404 is substantially equal to that diameter less the maximum wear allowed by applicable governing standards (e.g., one-eighth inch). Wide portion 412 is again used to gauge the wear on kingpin collar 117 by placing tool 400 over kingpin 111, with kingpin inserted through aperture. G01B2210/24- Specially developed for using with trucks or other heavy-duty vehicles.G01B2210/00- Aspects not specifically covered by any group under G01B, e.g.G01B5/255- Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers for testing the alignment of axes for testing wheel alignment.G01B5/24- Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers for testing the alignment of axes.G01B5/00- Measuring arrangements characterised by the use of mechanical techniques.G01B- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS.Status Expired - Fee Related legal-status Critical Current Anticipated expiration legal-status Critical Links Assignors: BROWN, EUGENE, HENDERSON, DANNY, MOULTON, TOM Application granted granted Critical Publication of US7257904B1 publication Critical patent/US7257904B1/en Assigned to FONTAINE FIFTH WHEEL COMPANY reassignment FONTAINE FIFTH WHEEL COMPANY CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Fontaine International Inc filed Critical Fontaine International Inc Priority to US11/043,342 priority Critical patent/US7257904B1/en Assigned to FONTAINE INTERNATIONAL reassignment FONTAINE INTERNATIONAL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Fontaine International Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number US11/043,342 Inventor Eugene Brown Tom Moulton Danny Henderson Current Assignee (The listed assignees may be inaccurate. Google Patents Kingpin inspection gauge and hitch adjustment toolÄownload PDF Info Publication number US7257904B1 US7257904B1 US11/043,342 US4334205A US7257904B1 US 7257904 B1 US7257904 B1 US 7257904B1 US 4334205 A US4334205 A US 4334205A US 7257904 B1 US7257904 B1 US 7257904B1 Authority US United States Prior art keywords kingpin tool shank plate dimensioned Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US7257904B1 - Kingpin inspection gauge and hitch adjustment tool US7257904B1 - Kingpin inspection gauge and hitch adjustment tool
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