| 摘要 |
1,231,578. Refillable tea infuser; vending machines. G. K. N. SANKEY Ltd. 30 Sept., 1968 [28 Sept., 1'967], No. 44094/67. Heading A4D. A receptacle 10 for receiving tea leaves and hot water and fitted with a filter element 19 is rotatable about a drive shaft 29 which is normal to a vertical plate 26, spring means being provided for applying an impact to the said receptacle when it is in an inverted position whereby any used tea leaves adhering to the filter element, disposed towards the bottom of said receptacle, are dislodged therefrom. The receptacle 10 is mounted on a generally rectangular carrier member 15, which is normal to and rotatable about the shaft 29 which is connected to the bush 37 on the plate 36 to which the bar 33 is attached, there being a cam follower in the form of a roller 24 on the carrier member which engages a cam track 25 in the plane of the vertical plate 26, the roller 24 being biased towards said cam track by means of springs 34, the rod 35 being attached to the carrier member 23. Tea leaves are placed in the receptacle 10 in its upright position, where the roller 24 engages the recess 31, and hot water poured over them to make tea. The receptacle then rotates clockwise and when the roller 24 reaches the free end 32 of the cam track 25 the compressed springs relax and an impact is imparted to the receptacle when the carrier member 15 hits the flange of the cover member 16. The receptacle 10 continues to rotate, the springs 34 being compressed in the process, until it reaches its upright position when the roller 24 engages with the recess 31. The receptacle may be used in a vending machine of the type described in Specification No. 1,024,161. |
