Gripper with four gripper jaws which can be moved in radially outward direction
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2002
Grant Date -
Feb 28, 2002
app pub date -
Aug 28, 2001
filing date -
Aug 31, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gripper, has a frame for movably guiding four radially movable gripper jaws in four shafts which extend radially outwards. An arbor is disposed centrally between longitudinal carriers of the frame in parallel relationship thereto, whereby the arbor, at least over a portion of its length, is conically tapered downwardly and can be shifted longitudinally by a piston-cylinder unit. The gripper jaws are spring biased radial against the arbor, whereby the contact surfaces of the gripper jaws are configured in conformity with the outer arbor surface. Each gripper jaw includes a plate-shaped central element and at least two parallel plate-shaped lateral elements which are laterally disposed to the central element and include a depression directed towards the outer side of the gripper jaw and having a cross-section, which, as viewed in the direction of the lateral surface of the lateral element, may have the shape of an isosceles triangle.
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