One way gate

Details One way gate One way gate

1994-12-13

1997-02-25

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

Rotary conveyor

193 32, 193 40, 226147, 226151, B65H 2920

Patent

active

056053240

ABSTRACT:
In the field of transport paths used typically in postage meters, it is sometimes desired to prevent withdrawal of items in the opposite direction to forward travel along the transport path. The disclosure relates to a one way gate (10) for such a transport path including a transport surface (11). The gate includes a rotatable roller (17) disposed opposite the surface such that an item traveling forwardly along the transport path engages and rotates the roller (17); and a device preventing rotation of the roller (17) in a direction corresponding to withdrawal of an item (22) in a reverse direction along the transport path. In an embodiment described, the device preventing rotation of the roller (17) includes a moveable mounting for the roller (17) end a further surface (20a) spaced from the roller and inclined to the transport surface so that on withdrawal or reversal of an item along the transport path the roller (17) is moved by frictional engagement with the item (22) into frictional engagement with the surface (20a) thereby to prevent rotation of the roller (17). When the roller (17) is prevented from rotating, the frictional engagement between the items (22) and the roller (17) prevents movement of the item (22) in the reverse direction along a transport path.

REFERENCES:
patent: 2953290 (1960-09-01), Kosterko et al.
patent: 3756589 (1973-09-01), Carbine
patent: 3780923 (1973-12-01), Merola

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