Back to results
US 4,538,357 AGranted
Railway wheel rotundity gage
AssigneeAMSTED Industries Incorporated
InventorsWilliam G. Dressel, William J. Kucera
Life of this patent
Estimating the term…
Abstract
A rotundity gage for measuring the roundness of a wheel tread of a railway wheel. The gage includes a measuring device and is adjustable so as to be capable of measuring different size wheels.
Claims3
A rotundity gage for measuring the roundness of the outer tread of a railway wheel, said gage comprising
- a main cross bar for extending diametrically across the diameter of the railway wheel, and adapted to be rotated across a face of the wheel,
- a roller means mounted for lengthwise adjustment on said cross bar for engaging the wheel tread,
- a pair of angularly spaced roller means mounted on the other end of said cross bar and engageable with the wheel tread in opposition to said adjustable roller means,
- a dial indicator means having a plunger mounted on said main cross bar and having a plunger engageable with the wheel tread between said angular spaced roller means for indicating the out-of-roundness of the wheel tread when said main cross bar is rotated.
1 more element
Dependencies are inferred from the claim text.