22-06-2017 дата публикации
Номер: US20170173843A1
Принадлежит:
Clamp () for gripping a hollow body (), which comprises a clamp body (), a pair of jaws () mounted articulated relative to the clamp body () around respective axes (A A) of rotation that are parallel, and a magnetic return device () of the jaws (), comprising a pair of magnets () in magnetic opposition, with magnetic axes that are parallel to the axes of rotation of the jaws (), able to draw, by opening or by closing, the clamp (), thus having two stable positions, open and closed, in which the magnets () are off-axis. 192. Clamp () for gripping a hollow body () , which comprises:{'b': '12', 'a clamp body ();'}{'b': 13', '12', '2', '13', '2', '13', '14', '2, 'a pair of jaws () mounted articulated in relation to the clamp body () around respective parallel axes (Al, A) of rotation, between a release position in which the jaws () are separated from one another to accommodate or release a hollow body (), and a gripping position in which the jaws () are brought close to one another and define a housing () for the hollow body () so as to clamp it;'}{'b': 17', '18', '19', '13, 'a magnetic return device () comprising at least one pair of magnets (, ) in magnetic opposition, able to draw the jaws () toward their release position or, conversely, toward their gripping position;'}{'b': 17', '18', '12', '1', '2', '13', '19', '13', '2', '1', '2', '13, 'wherein the magnetic return device () comprises at least one fixed magnet () that is integral with the clamp body (), having a magnetic axis (M) that is parallel to the axis (Al, A) of rotation of the jaws (), and at least one movable magnet () that is coupled to at least one of the jaws (), having a magnetic axis (M) that is parallel to the axis (A, A) of rotation of the jaws (); and'}{'b': 19', '12', '19', '18', '13', '19', '18', '13, 'wherein each movable magnet () can be moved in relation to the clamp body () between a first end position in which the movable magnet () is off-axis in relation to the fixed magnet () and draws at ...
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