| 摘要 |
<p>PURPOSE:To move tips efficiently by fixing a scraper simply by a method wherein oval links are orthogonally connected to each other tudinally and laterally by turns so as to form an endless tank chain. CONSTITUTION:Lower belt region of the endless link chain is slightly separated upward from the bottom of the carrying trough 1, and when the endless link chain makes a circular motion, it advances from the rear end to the front end in the carrying trough. Scraper 5 is fixed on every other plural links for longitudinal links 4a among the oval links of the endless link chain, and hung from the chain in the lower belt region, and lower part of the scraper is moved just above the bottom of the trough. The scraper 5 is composed of a U bolt 5a inserted in every other plural longitudinal oval link 4a a washer 5c, and a groove shape piece 5b with its middle part fixed on both ends of the U bolt 5a. The piece 5b is tightly fixed to the link 4a longitudinally by the bolt 5a in the lower belt region.</p> |
