Pump which can be actuated by a hand lever

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 11/02 (2006.01) B05B 11/00 (2006.01) B65D 47/34 (2006.01)

Patent

CA 2440413

The invention relates to a pump (4) which can be actuated by a hand lever, is used to spray liquids (3), and can be especially placed on bottles (1) or the like. Said pump comprises a piston (13) which can be linearly displaced in a chamber (17) on the side of the housing, against the force of a compression spring, and which is used to spray the liquid (3) out of a mouthpiece nozzle (24). The piston (13) is coupled to the pivotably positioned hand lever (6) by means of a connecting tractional member (G) in such a way that the pivoting movement of the hand lever (6) pulls the piston (13) in the direction of the liquid (3) moving towards the mouthpiece nozzle (24). The connecting tractional member (G) extends from the rear side (49) of the piston (13), parallel to the travel of the piston and in the direction of the mouthpiece nozzle (24). A section (48) is provided on the rear side (49) of the piston (13), as a carrier for the same (13), forming a single element therewith. In order to obtain a solution which is advantageous in terms of construction and handling, bearing journal sections (6') of the hand lever (6) are suspended in open slits (9), loaded by the compression force of the spring (15) towards a slit end, and the opening (O), which is partially surrounded by the frame- shaped connecting tractional member (G) in the longitudinal direction of the pump, can be pivoted, on the hand lever side of the compressed spring (15), on the end (25) of the supporting tube (26) which is to receive the mouthpiece (23).

L'invention concerne une pompe (4) à commande par levier manuel, pour la pulvérisation de liquides (3), prévue notamment pour être montée sur des bouteilles (1) ou analogues, comprenant un piston (13) pour la pulvérisation du liquide (3) par une buse d'embout (24), pouvant coulisser linéairement, à l'encontre de la force d'un ressort de compression, à l'intérieur d'une chambre (17) logée dans un carter, le piston (13) étant accouplé au levier manuel (6) monté pivotant, via un organe de traction à raccordement (G), de telle façon que le mouvement de pivotement dudit levier (6) tire le piston (13) en direction du liquide se déplaçant vers la buse (24), l'organe de traction (6) s'étendant par ailleurs à partir de l'arrière (49) du piston (13), parallèlement au trajet de déplacement du piston, en direction de la buse (24), cependant qu'il est prévu, à l'arrière (49) du piston (13), une barrette (48) en tant que support du piston (13) réalisé d'une seule pièce avec celle-ci. En vue d'obtenir une solution avantageuse sur le plan construction et manipulation, l'invention est caractérisée en ce que les sections de pivotement (6') du levier (6) sont suspendues dans une rainure ouverte (9), sollicitées par la force de compression du ressort (15) en direction d'une extrémité de la rainure, et en ce que l'ouverture (O), côté levier, du ressort compressé entouré, dans le sens longitudinal de la pompe, en partie par l'organe de traction (G) en forme de cadre, est susceptible de pivoter sur l'extrémité (25) du tube support (26) destiné à recevoir l'embout (23).

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