| 摘要 |
<p>1,192,110. Vibratory discharge from hopper. FMC CORP. 1 Nov., 1968 [2 Nov., 1967], No. 51915/68. Heading B8A. Hopper 1 having walls 3 and 8 and extension 6 is suspended by springs 4 and 5 from the upper hopper shown and is vibrated at 2, the hopper 1 being connected by springs 12 to trough 13 so as to form a two-mass vibrating unit whereby material fed into the hopper is agitated and then discharged rightwards by the trough 13.</p> |
