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:
Mar. 30, 1993
Filed:
Jan. 17, 1992
Hoshizaki Denki Kabushiki Kaisha, Toyoake, JP;
Abstract
An auger type icemaker including an evaporator housing having a cylindrical inner freezing surface on which ice crystals may form, an auger mounted for rotary movement within the housing to be driven to scrape ice crystals off the freezing surface and to advance the scraped ice crystals toward an upper end portion of the housing, an extrusion head formed with a plurality of ice extruding passages and axially slidably coupled within an annular space between the upper end portion of the housing and an upper shaft portion of the auger, wherein a screw is threaded into the upper end portion of the housing and engaged with an axial key-groove of the extrusion head to restrict rotary movement of the extrusion head, and a cam mechanism mounted on the upper shaft portion of the auger to effect axial movement of the extrusion head in accordance with rotary movement of the auger and to restrict upward movement of the extrusion head at an upper dead point thereof.