Rail conveyor and rail switches therefore

Details Rail conveyor and rail switches therefore Rail conveyor and rail switches therefore

1988-07-15

1992-10-13

Focarino, Margaret A.

Railways

Trolley transfer

Sliding shift

104 96, B61B 300

Patent

active

051541238

ABSTRACT:
Diversion-type switches and cross-type switches are provided for inclusion in suspended rail conveyor arrangements to form a rail conveyor system. Each of said switches includes at least one shiftable rail section movable between a first position of cooperation with spaced rails of one conveyor pathway and a second position of cooperation with spaced rails of another conveyor pathway. Rail alignment and load transmitting elements, in the configuration of coacting fingers and seats, are disposed at the respective end of the shiftable rail section and fixed rail section and coact therewith so that load forces acting on the shiftable rail section act to align the shiftable rail section with the spaced rails of the respective conveyor pathways and so that load forces applied to the shiftable rail section are transmitted directly to the fixed rail section. Operating elements, including cams and cam followers are provided to move the shiftable rail section to separate the rail alignment and load transmitting elements to shift the shiftable rail section and to bring together the rail alignment and load transmitting elements.

REFERENCES:
patent: 350855 (1886-10-01), Woodward
patent: 685822 (1901-11-01), Cook
patent: 896499 (1908-08-01), Witthoefft
patent: 1020046 (1912-03-01), Neller
patent: 1632557 (1927-06-01), Moon
patent: 1887252 (1932-11-01), Thomas
patent: 2138962 (1938-12-01), Forker, Jr.
patent: 2996017 (1961-08-01), Gorjanc et al.
patent: 4917018 (1990-08-01), Loomer

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