Title:
SHEET DISORDER PREVENTING DEVICE
Document Type and Number:
Japanese Patent JPH0648639
Kind Code:
A
Abstract:
PURPOSE: To prevent backward displacement of a sheet from being generated even when the sheet collides against a front stopper in a part of piling together the sheets.
CONSTITUTION: A retaining roll 4 of mounting on the periphery an elastic unit 6 of rubber or the like, positioned in an outlet of a sheet piling up part, that is, in the downstream upward in an advancing direction of a sheet 2 not to rotate in a reverse direction by a reversing-preventive mechanism of ratchet wheel or the like but rotatable in the sheet advancing direction, is provided and also providing a control mechanism comprising air cylinders 5a, 5b or the like which can variably adjust pressing force against the sheet 2 successively input through the retaining roll 4.
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Inventors:
KATO TOSHIHIDE
Application Number:
JP21964892A
Publication Date:
February 22, 1994
Filing Date:
July 28, 1992
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B65H29/22; B65H29/68; B65H31/26; (IPC1-7): B65H31/26; B65H29/22; B65H29/68
Attorney, Agent or Firm:
Takao Karaki
Next Patent: DEVICE FOR INSPECTING SEMICONDUCTOR