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Priority to ES108675UpriorityCriticalpatent/ES108675Y/en
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Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Drawing Aids And Blackboards
(AREA)
Abstract
Sharpener device for pencils characterized by comprising a basic platform in which the fundamental parts of the same are established whose platform carries on one of its sides a recess for coupling a transparent plate that serves as an observation viewer through the housing and as trapdoor having provided in the platform itself with the corresponding holes for the passage of fastening screws of the remaining parts of the mechanism a large hole in which fits and fits a cylindrical shaped pivot as a column-support that appears crossed from its upper part almost to the base by a non-vertical groove, but inclined to determine a channel in which the terminal of a lever rod that carries the sharpening knife and ends at the opposite end in a handle with a pushbutton for the drive arranged perpendicular to the pivot channel and in point cerc an half-hole is inserted into a hole for introducing a pin that simultaneously serves to hold the lever-rod by means of a perforation that is provided and to support in the portion of its emerging part by one of the sides of the pivot itself to a spring with two arms or projections one adapted to an arc provided in the lever-rod and another supported directly on the platform being finally endowed the repeated pivot of a threaded hole to receive one of the fixing screws of the housing (Machine-translation by Google Translate, not legally binding)
ES108675U1964-10-021964-10-02
A PENCIL SHARPENING APPARATUS.
ExpiredES108675Y
(en)
Improvements introduced in the construction of oscillating supports with elastic position recovery (Machine-translation by Google Translate, not legally binding)
Device for reproduction of letters and similar characters for lettering and line drawing (Machine-translation by Google Translate, not legally binding)