Patent ID: 6644191
Filing Date: 2003-11-11
Classification: B41L

Abstract:
A printing materials elevator used in a rotary press which consists of multi-layered printing sections and which has an upper work floor corresponding to an upper printing section for raising and lowering printing materials as well as a lower work floor corresponding to a lower printing section, comprising:a left upper turning body and a right upper turning body installed at a high level on an upper story containing the upper work floor, opposing each other at an interval larger than the width of the printing materials; a left lower turning body and a right lower turning body installed at a low level on a lower story containing the lower work floor, opposing the upper turning bodies vertically and opposing each other at the same interval as the upper turning bodies; a left endless flexible body having rear and front segments looped over the left upper and lower turning bodies and a right endless flexible body having rear and front segments looped over the right upper and lower turning bodies, said endless flexible bodies being roller chains including rollers rotatably attached to link pins of said roller chains; chain guides installed along said front chain segment and said rear chain segment of said endless flexible bodies, each of said chain guides including a pair of long, narrow plates which sandwich said rollers of said roller chains from both sides with small gaps; drive means for rotating the turning bodies so as to run the left and right endless flexible bodies all at once; and press plate holding means which has a plurality of press plate holders installed at an angle and at predetermined vertical intervals and which is disposed between the left and right endless flexible bodies with left and right sides of the press plate holding means being connected to the rear or front segments of the respective endless flexible bodies stretched between the upper and lower turning bodies, each of said plate holders including stacked racks each having slanted shelf boards, and are configured to contain an appropriate number of press plates according to the size of the press plates.