Patent GB-406820-A (GB)
Title: Improvements in liquid dispensing apparatus
IPC: B67D7/30
Filed: 1932-11-18
Abstract: 406,820. Liquid-dispensing apparatus; counting-apparatus. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Wayne Co. ; Fort Wayne, Indiana, U.S.A.) Nov. 18, 1932, No. 32642. [Class 106 (i).] In a liquid-dispensing apparatus comprising a pump and a meter, the meter is adapted to operate a registering mechanism for ascertaining the quantity and the cost of the liquid dispensed, and means are provided to vary selectively the rate of actuation of the cost counter to compensate for changes in the price per unit quantity. In the apparatus described the motor which operates the pump is started when the nozzle on the discharge pipe is lifted from its hook and the meter drives a shaft 52, Figs. 2 and 3, in accordance with the quantity passed through the meter. The shaft 52, through worm gearing 62, 64, drives a shaft 66 connected by pinions 212, 214 to the units drum of a counting mechanism 58, Fig. 10; the shaft 52 is provided with a bevel gear 72 slidable on but rotatable with the shaft which co-operates with a bevel gear 74 on a shaft 76. On the shaft 76 is mounted a number of spaced members 86, 88, 90, comprising radial arms with rollers co-operating with spring-controlled oscillatable arms 96, 98, 100 mounted on a shaft 102. The arms have associated therewith clutches 108 which serve as a one-way drive connection to the shaft 102 the motion thereof being continuous by reason of the disposition of the radial arms and rollers. The shaft 76 is journalled in a carriage 80 slidably mounted on guides to vary the distance between the shafts 76, 102 whereby the speed of rotation of the shaft 102 can be regulated. For this purpose the carriage has a pin 154 engaging a slotted arm 148 on a shaft 150; this shaft carries a setting knob 156 and a selector arm 184, Figs. 4 and 6, co-operating with selecting quadrants 160, 162, 164 on a plate 158. Each quadrant is provided with a plurality of spaced apertures 182 corresponding to suitable monetary units and with a vernier adjustment 180 for subdivisional units. The quadrants 160, 162, 164 are related to pinions 120, 118, 116 on the shaft 102 so that when a particular quadrant has been selected the corresponding pinion must be engaged with a transmission gear 130 on a shaft 132 journalled for sliding movement in the casing, a spring-pressed plunger 138 holding the shaft in its adjusted position. The pinions 116, 118, 120 co-operate with the gear 130 through idler pinions 121, 122, 124. The shaft 132 is coupled to a shaft 210 operatively connected to the units wheel of the total cost counting mechanism 56. The counting mechanisms 56, 58 are of known construction the gear 214 of each counter driving a clutch member 218 loose on the reset shaft 216 and through a Geneva-type mechanism operating the units drum of the counter. Each counter is provided with a pre-selecting mechanism which can be set to the quantity to be delivered or the amount to be paid. This mechanism comprises numeral wheels 238, 240, 242 associated with the numeral drums of the counter. As shown in Fig. 11, the numeral drum 234 has a hub 244 with a disc 246 and on the hub is slidably mounted a spring controlled numeral drum 240 with apertures any one of which can be set to engage a pin 250 on the disc 246. The numeral drums 240 have a recess at the zero position for co-operation with a roller on an arm 272, Fig. 12 ; when the drums are to be pre-set the rollers and arms are released by manipulation of a bell crank 292. In operation when the drums are returned to their zero positions the arms 272 are operated to rotate the sectors 276, 278 and rock a shaft 280 to close the circuit of a solenoid to open a valve to bye-pass the liquid to the pump rendering the registering apparatus inoperative. The shaft 66 is provided with a cam driving a piston pump mechanism in the casing which pump conveys lubricant through channels in the casing to apertures whereby it is sprayed on to desired points.