B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 5/14 (2006.01) B65H 29/04 (2006.01)
Patent
CA 2110423
The gripper (10) has two gripper parts (11, 13), of which the one, first gripper part (11) is pivotable relative to the other, second gripper part (13). For securely holding a printing product (P), the free ends (12a, 14a) of the two gripper parts (11, 13) interact. The first gripper part (11) is mounted by means of a ball joint (22) in a bearing part (21), which is seated unrotatably on a rotatably mounted hollow shaft (17). Between the bearing part (21) and the first gripper part (11), spherically mounted in the latter, there is arranged a compression spring (27), which in the closed position of the bearing part (21) exerts a compressive force on the first gripper part (11). The ball joint (22) is offset rearwards with respect to the pivot axis (17') of the bearing part (21). As a result, a lengthening of the leg (12) of the first gripper part (11) rearwards is attained, which results in more favourable leverages and, with a given compression spring (27), accordingly results in higher clamping forces at the free end (12a) of the first gripper part (11). The ball joint accommodates tilting of the first gripper part (11) so that it can accommodate printing products which vary in thickness in the width direction.
Ferag Ag
Fetherstonhaugh & Co.
LandOfFree
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