B - Operations – Transporting – 65 – G
Patent
B - Operations, Transporting
65
G
243/12
B65G 51/00 (2006.01) B65G 51/24 (2006.01) B65G 51/34 (2006.01) B65G 53/00 (2006.01)
Patent
CA 1201696
ABSTRACT OF THE DISCLOSURE 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.
421739
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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