| 摘要 |
<p>1,027,514. Aerating and agitating liquids. AMES CROSTA MILLS & CO. Ltd and J. F. BOLTON. Feb. 4, 1965 [Feb. 7,1964], No. 5213/64. Heading B1C. A surface aerator 28 is connected to a driving shaft 18 by a coupling 20 bolted to a hollow extension shaft 25, and is located by an annular baseplate 14 relative to a fixed uptake 10. The motor 17, gearbox 16 and aerator can be withdrawn upwards by a tackle 32; the coupling 20 may then be disconnected, the aerator 28 provided with a temporary support in the raised position, and the motor and gearbox moved to the dotted line position in which they will clear other aerating units reconnected onthe bridge 11 as they are traversed by the travelling carriage 31.</p> |
