Calendar control system

Details Calendar control system Calendar control system

1974-11-11

1976-09-07

Schwadron, Martin P.

Presses

Concurrent pressing and conveying

Roll type

92 43, 92 76, 92140, B30B 304

Patent

active

039787842

ABSTRACT:
A calendar stack is provided with pneumatic actuators of the expansible bag or bellows type wherein a selected roll has the end bearings thereof carried by a pair of pivoted control arms, the position of a respective control arm being selectively controlled, for upward loading or for downward loading of the stack by a single primary actuator. The selected direction of force application by the primary actuator is determined by a force transmission linkage shiftable by a secondary actuator between a first and a second position, for roll upward loading or roll downward loading.

REFERENCES:
patent: 1131704 (1915-03-01), Janney
patent: 2637334 (1953-05-01), Starkey
patent: 2753882 (1956-07-01), Bottoms
patent: 2971457 (1961-02-01), Hold
patent: 3332260 (1967-07-01), Bisang
patent: 3445070 (1969-05-01), Verdier
patent: 3515637 (1970-06-01), Reynolds
patent: 3544237 (1970-12-01), Walz
patent: 3643496 (1972-02-01), Zajic
patent: 3730079 (1973-05-01), Stirk
patent: 3731595 (1973-05-01), Wentworth, Jr.
patent: 3777656 (1973-12-01), Muller
patent: 3796149 (1974-03-01), Heissenberger
patent: 3889466 (1975-06-01), Castela

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