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Individual
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Individual
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Priority to ES1972183143UpriorityCriticalpatent/ES183143Y/en
Publication of ES183143UpublicationCriticalpatent/ES183143U/en
Application grantedgrantedCritical
Publication of ES183143YpublicationCriticalpatent/ES183143Y/en
Device for accounting operations, especially for the transfer of inscriptions between superimposed squared sheets, characterized essentially by consisting of a rigid support board, one of whose edges has two supports mounted on the ends of a bar arranged parallel to said edge and provided with a plurality of notches constituting a fixed rack, with which a ratchet mechanism is combined, determinant of the advance of a piece-box that externally has two actuating flanges, one of which is fixed and integral with the former, while the other is mobile and extends inferiorly in an area capable of sliding inside an opening made in the upper face of the piece-box, being retained between the internal appendices of the tabs a helical spring, external and coaxial bar-rack, determining the advance of the box by the ratchet action of an internal and curvilinear nail a of elastic properties, solidary of the piece itself. (Machine-translation by Google Translate, not legally binding)
ES1972183143U1972-07-291972-07-29
DEVICE FOR ACCOUNTING OPERATIONS.
ExpiredES183143Y
(en)