Claims
- 1. In a printing press delivery mechanism the combination comprising a first conveyor for delivering sheets from a press for discharge seriatim onto a pile in a piling space, a pile board in the form of a skid in the piling space for accumulating the pile, a second horizontally extending conveyor at substantially floor level a short distance from the piling space for receiving the skid when it is full, a horizontally extending track extending substantially at floor level between the piling space and the second conveyor and arranged substantially at right angles to the latter, a wheeled carriage on the track, a lift fork on the carriage, powered rotating means supporting the fork on the carriage for swinging movement through substantially 180 degrees from a loading position in which the fork faces the piling space and an unloading position in which the fork faces the second conveyor, powered lifting means for raising and lowering the fork with respect to the carriage, powered driving means for reciprocating the carriage along the track, programmed control means including limit switches for energizing the powered means in sequence for a cycle of skid removal in which the fork is (a) shifted from an initial position by the carriage into the pile space to engage the skid, (b) raised so the skid clears the floor, (c) rotated 180 degrees with the skid so that it points in the direction of the second conveyor, (d) shifted by the carriage to a position in which the skid is over the second conveyor, (e) lowered to lower the skid onto the second conveyor for transfer out of the delivery area, and (f) returned to the initial position, a skid magazine for empty skids, means including a third conveyor horizontally extending from the magazine to the piling space for feeding an empty skid from the magazine to the piling space substantially at floor level, means actuated incident to the arrival of the empty skid for locating the same in a sheet receivingposition in the piling space, means initiated by the control means for actuating the feeding means so that an empty skid is fed from the magazine into receiving position synchronized with the removal of the full skid therefrom, and means responsive to the filling up of the empty skid for triggering the control means for a successive cycle of skid removal.
Parent Case Info
This is a continuation of application Ser. No. 954,581, filed Oct. 25, 1978, now abandoned, which is a continuation-in-part of Application Ser. No. 889,651, filed Mar. 24, 1978, (abandoned).
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2708927 |
Nov 1977 |
DEX |
Continuations (1)
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Number |
Date |
Country |
Parent |
954581 |
Oct 1978 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
889651 |
Mar 1978 |
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