Geometrical instruments – Area integrators – Electrical
Patent
1980-01-16
1982-04-13
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
33287, 33412, 269249, B25B 110, B23P 1900
Patent
active
043240488
ABSTRACT:
A horizontal locator for a rail alignment device engages the sides of the rail head only at points vertically remote from the running surface of the rail whereby deformation of the rail head adjacent the running surface does not adversely affect the accuracy of the locator. A reference surface on the horizontal locator is adapted to engage the running surface of the rail to properly dispose the side-contact members with respect to the rail head.
REFERENCES:
patent: 1670253 (1928-05-01), Gilbert et al.
patent: 1979886 (1934-11-01), Keith
patent: 2610661 (1952-09-01), Romine
patent: 3488467 (1970-01-01), Ansel et al.
patent: 3838487 (1974-10-01), Maeda
patent: 4234176 (1980-11-01), Goff et al.
Chemetron Railway Products, Inc.
Martin, Jr. William D.
Williamson John K.
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