The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 21, 1981
Filed:
Oct. 17, 1979
Arthur J Hunt, Ormond Beach, FL (US);
Arthur J Hunt, Jr, Ormond Beach, FL (US);
Other;
Abstract
A screw press for extracting liquids from materials such as fruits, vegetables, or the like having a cylindrical barrel having a concentric variable-speed helical feed and compression screw. The rearward portion of the cylindrical barrel comprises a cage section having perforate filter screens for passing extracted liquids and filtering out undesired solids from the material being pressed. The cage section is formed by at least one pair of open semicircular frames having a plurality of spaced apart ribs which support replaceable filter screens. The repair of frames is attached along its bottom edge to a set of interleaved hinge blocks which are hingedly attached to the frame of the press. The pair of frames is removably joined along the upper edges of the frame. When the press is nonoperating, the frames are separated at the upper edges and the hinged blocks permit the frames to open in a book-like manner and swing downward and outward completely clear of the feed and compression screw. The wide open position permits cleaning of the screens and screw, or replacement of the screens. A feed portion of the press barrel has an opening limited to 11/2 times the feed screw pitch and an inlet chamber enclosing 50% to 75% of the circumference of the feed and compression screw. The feed and compression screw is driven by an adjustable hydraulic drive system to permit control for optimum throughput of the press.