Patent GB-487721-A (GB)
Title: Apparatus for dispensing measured quantities of milk
IPC: G01F11/28
Filed: 1937-05-25
Abstract: 487,721. Liquid-dispensing apparatus. RINDL, A., and RINDL, H. May 25, 1937, No. 14557. [A Specification was laid open to inspection under Sect. 91 of the Acts, Nov. 26.] [Classes 106 (v) and 116] [Also in Group XVII] Apparatus for dispensing measured quantities of milk comprises at least one measuring tank connected to a horizontal axle, a frame carrying a milk can and adapted to rotate about the axle, means for turning the frame upside down, and tubular members adapted to provide a passage from the can to the tank when the can is inverted. In the construction shown, the can is adapted to be carried by a frame comprising a base plate 3, Fig. 1, having arms 4 which can rotate about an axle 5. Tubular sockets 6 at the ends of the axle are slidably mounted on tubular posts 2 which are secured to a base plate 1 and which carry, internally, weights for counterbalancing the frame. The milk can is clamped to the base plate by four pins 15 slidable in the slots 22 and actuated simultaneously bv a handle 17 connected to a number of sliding members and links arranged beneath the plate. The arms 4 are adjustable in length, each being formed of an upper tubular part and a lever member 28 slidably mounted therein. Each member 28 is connected to the plate 3 and each carries a toothed bar with which engages a ratchet device 31 actuated by a hand lever 35 on the axle 5. This arrangement enables the axle 5 to be raised and lowered with respect to the can and in the lowered position the can is coupled to a tubular member 10, Figs. 6 and 7, which communicates with a measuring tank 13. As shown in Fig. 6, the lid 27 of the can 14 is fitted with a ball valve 38 and carries a screw threaded tubular member 26 adapted to be engaged by a nut 36 on the member 10. The latter is connected to a cone 9 rotatably mounted in a case 8 which is rigidly connected to the axle 5, the case having a slot 11 in which the member 10 slides when the cone is rotated. When the can is inverted the milk flows through the member 10 and thence to the tank 13 by way of a passage 51 in the cone and a tube 12, the latter extending from the case 8 to a cock 54. By turning the cock, the contents of the tank is discharged through an outlet 55. Air is admitted into the can by means of a pipe 56 mounted in the tubular member 10 and communicating with a passage 58 in the cone 9, this passage in turn communicating, when the can is inverted, with a pipe 60 fitted with a filter. An opening 62 in the tank 13 permits the entry of air thereinto and a float 63 prevents the escape of milk through the opening. The frame is rotated by a crank handle 48 which drives a chain 46 passing over toothed wheel 45 on a shaft 42. Flat chains 41 pass around sprockets 43 on this shaft and are connected to the ends of arms 44 extending from the base plate 3. When the can has been clamped in the frame and the crank rotated the frame and axle 5 at first move vertically and the arms 44 bear against guides 69. Subsequently, the frame tilts and bars 68 on the axle 5 move clear of arms 67 associated with a pawl 50 and thereby allow the pawls to engage with toothed bars on the posts 2. The pawls are carried by brackets 49 secured to the sockets 6 and, when in engagement with the toothed bars, serve to support the axle 5.