Assembly for clamping and tightening a blanket over a blanket cy

Details Assembly for clamping and tightening a blanket over a blanket cy Assembly for clamping and tightening a blanket over a blanket cy

1979-06-18

1980-08-19

Fisher, J. Reed

Printing

Flexible-sheet-securing devices

51368, B41F 2706, B41F 722

Patent

active

042178258

ABSTRACT:
A blanket cylinder construction for clamping and tightening a flexible blanket on a blanket cylinder in a printing press which includes a longitudinal shaft recessed under a narrow axial slot in the cylinder surface. The shaft has a first clamping bar extending flatly along one side forming a pocket along one of its edges presenting a roughened surface for receiving and engaging one end of the blanket as well as a second clamping bar extending flatly along the opposite side of the shaft forming a pocket having a roughened surface for receiving and engaging the opposite end of the blanket. The first clamping bar has a set of clamping screws for clamping the bar to the shaft actuated by a tool inserted through the slot. The second clamping bar has a set of clamping screws for clamping the bar to the shaft and which penetrate both the first clamping bar and the shaft so that both sets of screws can be operated by a tool inserted through the slot when the first clamping bar is rocked into an aligned tool-accepting position with respect to the slot. After the ends of the blanket have been clamped in the pockets the shaft is rocked in a direction to wind up the ends of the blanket thereon and the blanket is locked in a blanket-tensioning condition.

REFERENCES:
patent: 3276364 (1966-10-01), Langer
patent: 3584580 (1971-06-01), Schulz
patent: 3818651 (1974-06-01), Eells

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