| 摘要 |
<p>1502076 Document shredders A GOLDHAMMER [trading as FEINWERKTECHNIK SCHLEICHER & CO] 21 June 1976 [26 Nov 1975] 25687/76 Heading B2A A document shredder has a pair of interdigitating cutting rollers 5 each driven via a sprocket 7 by its own individual motor 10, the two motors being mounted with output spindles parallel with the cutting rollers, and being supplied by a circuit having a common capacitor. The motors are each independently fan cooled and cooling air passes across the gears 7, 11 of that motor and exits via tubes 13.</p> |
