Railway switches and signals – Switches – Sliding
Patent
1993-01-22
1994-05-17
Werner, Frank E.
Railway switches and signals
Switches
Sliding
104129, 104130, E01B 720
Patent
active
053120744
ABSTRACT:
This apparatus relates to a safety mechanism for a rail system having tracks adapted to be moved in an out of alignment for the transfer of an object from one track to the other. More specifically, the apparatus relates to a mechanism which prevents the accidental movement of an object off the end of one track unless the tracks are in substantial alignment.
REFERENCES:
patent: 4094252 (1978-06-01), Pater et al.
patent: 4706782 (1987-11-01), Spoeler et al.
patent: 4846073 (1989-07-01), Boyer et al.
patent: 5012918 (1991-05-01), Acker et al.
patent: 5016541 (1991-05-01), Feaster, Jr.
Hrivnak Steven J.
Keith Glen R.
Eastman Chemical Company
Lowe Scott L.
Stevens John F.
Werner Frank E.
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