ES78210U - Mechanical pencil with elastic suspension of the mine and external guide of the same (Machine-translation by Google Translate, not legally binding)
- Google Patents
Mechanical pencil with elastic suspension of the mine and external guide of the same (Machine-translation by Google Translate, not legally binding)
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Publication of ES78210YpublicationCriticalpatent/ES78210Y/en
"PORTAMINAS, WITH ELASTIC SUSPENSION OF THE MINE AND EXTERIOR GUIDE OF THE MINE" characterized by the fact that it is constituted by a hollow handle, inside which is lodged an endless screw, whose head fits in the handle for the screw to participate of the rotation of this and by an elongated tubular tip, which directly guides the mine, whose guide piece is mounted on the handle in a rotating relationship and presents its lower part internally threaded so that the worm advances when the handle is rotated and the tip is retained of the mine, with a helical spring being arranged between the front end of the screw and the lower end of the mine. (Machine-translation by Google Translate, not legally binding)
ES0078210U1959-12-311959-12-31
Mechanical pencil with elastic suspension of the lead and external guide of the same
ExpiredES78210Y
(en)