A - Human Necessities
01
J
A01J 5/04 (2006.01)
Patent
CA 2260833
A claw (1) comprises a casing (2), defining an inner space (3), at least one inlet member (4), an outlet pipe (5) and a valve device. The latter comprises a valve body which is movable between an open position, at which the outlet pipe (5) is in connection with the inner space (3), and a closed position, at which the connection between the outlet pipe and the inner space is essentially closed. Furthermore, the valve device comprises an operating member (14) by means of which the valve body is lockable at said open position. The operating member (14) is rotatable between two end positions and comprises a first locking means (20) in the shape of a recess arranged to engage a second locking means (8, 23) in the shape of an element at least at one of said end positions for locking the valve body (12) at said open position. The element is arranged to extend in the recess when the locking means engage each other.
L'invention porte sur une pince (1) comportant un boîtier (2) délimitant un espace intérieur (3), au moins un élément d'admission (4), un tube d'évacuation (5) et une soupape. Ladite soupape comporte un corps de soupape mobile entre une position d'ouverture dans laquelle le tube d'évacuation (5) communique avec l'espace intérieur (3), et une position de fermeture dans laquelle la communication entre le tube d'évacuation et l'espace intérieur est interrompue. La soupape comporte un élément de commande (14) permettant de bloquer le corps de soupape en position d'ouverture. Ledit élément de commande (14) peut pivoter entre deux positions extrêmes et comprend un premier moyen de blocage (20) en forme d'évidement conçu pour venir en contact avec un deuxième moyen de blocage (8, 23) en forme d'élément placé au moins à l'une des positions extrêmes pour bloquer le corps de soupape (12) en position d'ouverture. L'élément est conçu pour s'étendre dans l'évidement lorsque les moyens de blocage entrent en contact.
Alfa Laval Agri Ab
Borden Ladner Gervais Llp
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