Control and locking of pivoting needle for pneumatic pipe carriers
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United States of America Patent
Stats
-
Oct 26, 1982
Grant Date -
N/A
app pub date -
Jul 2, 1980
filing date -
Nov 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a pivoting switch control mechanism for pneumatic conveyors. Transmission of the pivoting movement of the control arm (20) at its fulcrum on the movable switch (5) is effected by means of a return arm (21), articulated both on the control arm and on a stationary switch drive stop (26) which plays the role of fulcrum, said return arm further supporting a guide wheel (22) intended to follow the two inclined sides DC-CE of a single cam 24 mounted stationary upon a housing (1). The sealed switch installations are capable of operating for any direction of travel of the cartridges, by vacuum or pressure.
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