Restricting bracket for automatic transport system

Details Restricting bracket for automatic transport system Restricting bracket for automatic transport system

1986-12-22

1987-12-15

Reese, Randolph A.

Railways

Traction

Chain

104 91, B61B 300

Patent

active

047124857

ABSTRACT:
In an automated transport system which includes a rail, a plurality of free traveling trolleys riding on the rail, and chain driven pushers for propelling the trolleys along the rail, a bracket is provided on the chain for each pusher which allows a trolley located far in advance of the pusher to move into engagement with the pusher and thereafter limits the distance it can move ahead of the pusher, as for example when the trolley rides on a downwardly sloping portion of the rail. The brackets are made of plastic and are releasably connectable with the chain, with a snap fit action, so that they can be easily added to or removed from the chain as required to adapt the chain to a given application.

REFERENCES:
patent: 2309587 (1943-01-01), Hassler
patent: 2973721 (1961-03-01), Wagter
patent: 3056360 (1962-10-01), Burmeister et al.
patent: 3541967 (1970-11-01), Birkhead
patent: 3596606 (1971-08-01), Smith, Jr. et al.
patent: 3774546 (1973-11-01), Krammer
patent: 3800709 (1974-04-01), DeGood et al.
patent: 3817187 (1974-06-01), Thompson
patent: 3861323 (1975-01-01), Turner
patent: 4147110 (1979-04-01), Knudsen
patent: 4292897 (1981-10-01), Wakabayashi
patent: 4433628 (1984-02-01), Wakabayashi

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