Sheet intercept mechanism to permit removal of delivery pile in

Details Sheet intercept mechanism to permit removal of delivery pile in Sheet intercept mechanism to permit removal of delivery pile in

1975-08-20

1976-08-03

Love, John J.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

271189, B65H 3132

Patent

active

039725243

ABSTRACT:
A sheet intercept mechanism for temporarily retaining sheets released by the take-off grippers above a delivery pile at the output of a sheet fed printing press. The mechanism includes a horizontal support member and a clamping member normally in open position but having means for closing to capture the edge of a dropped sheet. A horizontal actuator coupled to the support member advances it to a sheet receiving position above the edge of the pile. Triggering means are provided coupled to the take-off grippers for closing the clamping member phased with the release of a sheet so that the clamping member clamps the dropped sheet preventing it, and any subsequently dropped sheet, from dropping upon the pile so as to permit the pile to be removed and a new pile board inserted. The triggering means is disabled as long as the horizontal support is in its retracted position and enabled only when the support is in sheet receiving position. Means are included for energizing the actuator for return of the support into its retracted position accompanied by stripping of the retained sheets so that they are free to drop upon the inserted pile board and for opening the clamping member in readiness for a new retention cycle.

REFERENCES:
patent: 2113650 (1938-04-01), Golber
patent: 2847215 (1958-08-01), Koch
patent: 2950108 (1960-08-01), Golding

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