Pitney Bowes Inc.

Other

Brian S Thompson

Joseph H Marzullo

Steven A Supron

Irena Makarchuk

Ming Xiao

The sheet feeder includes a tray having a pusher mechanism mounted at a rear portion and a feeder mechanism mounted at a forward portion. The pusher mechanism is driven through a spring wrap clutch which includes a ratchet which engages a pawl mounted on the feeder mechanism. When the feeder mechanism is in a first position the pawl is disengaged from the ratchet and the clutch is free to rotate and engage the pusher mechanism which advances the stack of sheets against the feeder mechanism, driving the feeder mechanism back to a second position where the pawl engages the ratchet, disengaging the spring wrap clutch and halting the pusher mechanism. As sheets are fed from the stack a spring urges the feeder mechanism back towards the first position, disengaging the ratchet and engaging the clutch and repeating the cycle. A spring maintains a substantially constant normal force between the feeder mechanism and the stack as the feeder mechanism moves between the first and second positions.

Apparatus and method for feeding print media from a stack

In an envelope stacker, a normal force roller mechanism drives a mail piece vertically then retracts without adding significant torque to the stacker. The normal force roller mechanism is comprised of a frame and a bracket pivotally mounted to the frame, the bracket further having an aperture and an arm with a shaft extending therefrom. An idler roller is mounted to the shaft. A hub having a slot is rotatably mounted to a plate. An assembly is provided for moving the plate in a substantially horizontal direction. A generally L-shaped pin having a first end portion and a second end portion extends through the slot so that the first end portion engages the aperture of the bracket. A spring is mounted onto the L-shaped pin between the second end portion and the hub.

Pressure roller mechanism for stacking apparatus

A corner buckle feeder has a singulation roller and feed roller for initially separating and feeding glossy paper. The front corners of a sheet stack are unsupported in order to minimize the intersheet frictional forces that are influenced by temperature and humidity. The axis of the singulation roller is disposed at an angle with respect to an edge adjacent to the lead edge of the top sheet. The singulation roller drives the adjacent edge inward and the top sheet deforms along the leading edge to form a buckle.

Apparatus and method for buckling a sheet

An apparatus for buffering transport of freshly inked documents is comprised of an upper deck oriented at an acute angle with respect to a horizontal plane. The apparatus has a plurality of opposite, parallel, threaded screw conveyers orthogonal to the upper deck. Inked documents travel upon the threads of the screw conveyers. A lower deck is provided for receiving inked documents. An eject pin mechanism causes the inked documents to be delivered from the apparatus.

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Derby, CT, United States of America

Brian S Thompson