Kingpin inspection gauge and hitch adjustment tool

Geometrical instruments – Gauge – Template

Reexamination Certificate

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Details

C033S600000, C033S0010BB, C007S138000, C007S164000, C081S484000

Reexamination Certificate

active

11043342

ABSTRACT:
A tool for inspecting a trailer kingpin and adjusting a fifth wheel hitch includes a plate having at least two mutually substantially perpendicular sides, one side having upper and lower generally rectangular tabs extending therefrom and separated by a space therebetween, the space being dimensioned to snugly receive a kingpin lower flange, the upper tab being dimensioned to be snugly received along a kingpin shank. Opposing this tabbed side is a side having at least one shaped recess for receiving a means for adjusting play in a fifth wheel hitch and transferring the application of torque thereto. The plate also includes a shaped aperture for receiving a kingpin, the shaped aperture having a substantially rectangular wide portion and a substantially rectangular narrow portion.

REFERENCES:
patent: 165671 (1875-07-01), Hagerty
patent: 184775 (1876-11-01), Gray
patent: 363331 (1887-05-01), Hammer
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patent: 1377238 (1921-05-01), Williams
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patent: 4103378 (1978-08-01), Granados
patent: D273467 (1984-04-01), Martin
patent: D278691 (1985-05-01), Sorrell
patent: D340874 (1993-11-01), Nicholson
patent: D429654 (2000-08-01), Pochurek
patent: 6886266 (2005-05-01), Kidd et al.
patent: 7040034 (2006-05-01), Nielson et al.
patent: 7073272 (2006-07-01), Lefebvre

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