Pneumatic dispatch system having a plurality of forwarding tube

Details Pneumatic dispatch system having a plurality of forwarding tube Pneumatic dispatch system having a plurality of forwarding tube

1983-02-16

1985-05-14

Nase, Jeffrey V.

Conveyors: fluid current

Load flow diverter, divider, or combiner

Movable conduit section

406 74, B65G 5124

Patent

active

045168881

ABSTRACT:
A pneumatic dispatch system having a plurality of forwarding tube paths and an arrangement for transferring a dispatch case between two paths including a pair of pneumatic post stations interconnected by a single tube line characterized by each of the pneumatic post stations having a first tube chamber connected to a second tube chamber which extends parallel thereto and forms a reception chamber. The two tube chambers move within a housing of the station between a first position with the first chamber aligned with the tube sections forming the forwarding tube path and the second reception chamber being in alignment with the connecting tube to a second position with the second chamber being in a position to catch and retain a dispatch case traveling in the path. Preferably, each of the stations is provided with a feed line which has a valve to enable control of flow therein with the feed line extending between a tube section of the forwarding tube path and a port or air passage connected to the interior of the second chamber. If the valve is a three-way valve, the interior of the chamber can be selectively connected through the feed line to either the air in the system or the outside air.

REFERENCES:
patent: 141294 (1873-07-01), Siemens
patent: 4437797 (1984-03-01), Kardinal

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