Dome spring element and dispensing pen incorporating same

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 47/24 (2006.01)

Patent

CA 2761920

A dome spring element (16) including a body having a first (60) and second end (62) and an axis, a bell-shaped wall (66) at the first end defining a chamber (70) with an opening (68) into the chamber, a cylindrical wall (88) attached to the bell-shaped wall at the second end; a rod (72) attached to the body and extending through the chamber and extending axially outwardly from the opening; and the body being moveable from an extended position to a compressed position by application of a force along the axis, and capable of automatically returning to the extended position upon release of the force.

La présente invention concerne un élément dôme à ressort (16), comprenant : un corps comportant une première (60) et une seconde (62) extrémité et un axe, une paroi en forme de cloche (66) au niveau de la première extrémité définissant une chambre (70) avec une ouverture (68) dans la chambre, une paroi cylindrique (88) attachée à la paroi en forme de cloche au niveau de la seconde extrémité ; une tige (72) attachée au corps et s'étendant à travers la chambre et s'étendant axialement vers l'extérieur de l'ouverture. Le corps est mobile entre une position détendue et une position comprimée par application d'une force le long de l'axe, et peut retourner automatiquement à la position détendue lors du relâchement de la force.

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