| 摘要 |
<p>838,897. Chopping refuse; compost making apparatus. CARMICHAEL, J. April 9, 1958 [April 9, 1957], No. 11311/58. Classes 5(1) and 111. [Also in Group II] Household refuse to make compost is cut up in a tank between rotated radial teeth 79 passing between fixed teeth 69, the teeth 79, Fig. 5, being yieldable backwards on meeting any very hard material. The teeth 79 are the sharp ends of levers 73 pivoted on radial arms 71 and urged to forward position by springs 78.</p> |
