Interlock mechanism for an overhead trackway system

Details Interlock mechanism for an overhead trackway system Interlock mechanism for an overhead trackway system

1997-04-16

1998-07-28

Morano, S. Joseph

Railways

Trolley transfer

104 98, 104251, E01B 2526

Patent

active

057849650

ABSTRACT:
An interlock mechanism connects a movable trackway end-to-end to another trackway to allow rolling transfer of a crane trolley. The bridging trackway assembly is mounted on the movable trackway to be vertically movable to bridge a gap between the trackway ends. Blocking members prevent exit of a trolley from either trackway, which members are moved aside as the bridging trackway assembly descends. A secondary blocker prevents exit of a trolley if the lever system is operated when the trackway end is not positioned opposite the other trackway. Camming surfaces act to accurately align the ends as the bridging trackway assembly descends.

REFERENCES:
patent: 1612217 (1926-12-01), Phillips
patent: 1841454 (1932-01-01), Robertson
patent: 2642814 (1953-06-01), Anjeskey
patent: 3132598 (1964-05-01), Pearson
patent: 3468264 (1969-09-01), Horompo
patent: 3650215 (1972-03-01), Werthessen
patent: 3696755 (1972-10-01), Wiggershaus

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