| 摘要 |
A juice extractor for extracting juice from raw juice containing materials includes a raw material supply hopper of a housing engaged with a main body. The juice extractor includes a pair of squeezing rollers engaged with each other and mounted in the housing. Each of the rollers includes a helical gear and a screw at its leading end portion. A filter surrounds the leading end portions of the squeezing rollers and a discharge section plate is mounted at the leading end portion of the housing and has a discharge pressure adjusting device. Ring gears made of synthetic resins are mounted at both sides of the helical gear of one of the squeezing rollers whereby an interval between the helical gears of squeezing rollers is maintained. Grooves are formed at both sides of the threads of the helical gears of each of the squeezing rollers at a location beneath the raw juice material supply hopper. The filter surrounding the leading end portions of the squeezing rollers includes a plurality of filter elements, each of which has a plurality of radial filter grooves formed at one side and has a bend at its middle part.
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