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Heribert Quantschnigg Patents |
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Inventor: Quantschnigg; Heribert
Address: Weisskirchen, AT
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4986498 |
Device for determining the condition of railway switches or railway crossings |
January 22, 1991 |
| A device for determining the condition of railway switches or railway crossings by monitoring the end position of tongue rails (2), said device having a sensor (18) within the area of the theoretical frog point (17) of a frog (8), said sensor giving on occasion of a mechanical collision |
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