Machine for dispensing liquid and semiliquid material

Claim 1

Machine for dispensing liquid and semiliquid material and the like in measured amounts to containers (y), comprising a) a supply tank (16) with a plurality of circumferentially spaced radial tank outlet passages (18) provided in a housing of said tank, the tank (16) being mounted for rotation on a stationary frame (F); b) a pedestal (32) for supporting a multiplicity of containers (y) to orbit with said tank (16); c) a plurality of pump assemblies (A) mounted to orbit with said tank (16), each pump assembly (A) including a cylinder (24) and a piston (25) mounted for reciprocating movement in a suction and ejection stroke; d) a plurality of valve assemblies (19) mounted to orbit with said tank (16), each valve assembly (19) including a valve (27) feeding material in one position from a tank outlet passage (18) to the cylinder (24) of a pump assembly (A) and in another position from the cylinder (24) to a dispensing opening (33) above a container (y); e) stationary arcuate cam parts (61, 62) for moving cam follower rollers (59) connected with said pistons (25); characterised by the following features: f) said cam parts (61, 62) consist of an upper cam part (61) and a lower cam part (62), with a follower receiving surface on each; g) said upper cam part (61) is pivotally mounted at one end for vertical swinging movement relative to the lower cam part (62); h) an actuating means (69, 73, 74) is onnected with the opposite ends of said upper cam part (61) for swinging it to change its vertical position.