Hinge device for doors, shutters and the like
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United States of America Patent
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Jan 2, 2018
Grant Date -
Jul 23, 2015
app pub date -
Oct 4, 2013
filing date -
Oct 4, 2012
priority date (Note) -
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Abstract
A hinge device includes a first fixed tubular half-shell having a working chamber defining a longitudinal axis, a second tubular half-shell rotatable about the longitudinal axis, a pivot rotating unitary with the latter which includes a single pass-through actuating member having a helical shape, a plunger member slidable along the longitudinal axis, and a tubular bushing having a pair of guide cam slots. A pin inserted within the pass-through actuating member is provided to allow the mutual engagement of the pivot and the bushing. The first tubular half-shell includes an end portion susceptible to rotatably support the pivot, the second tubular half-shell and the bushing are coaxially coupled to each other, and the bushing and the first tubular half-shell are mutually unitarily coupled.
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