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Individual
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Individual
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Priority to ES1973188255UpriorityCriticalpatent/ES188255Y/en
Publication of ES188255UpublicationCriticalpatent/ES188255U/en
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Publication of ES188255YpublicationCriticalpatent/ES188255Y/en
Mechanical material collector, perfected, of the type comprising a conveyor train having in the paracentral region a bridge elevated on the conveyor itself whose horizontal section of the bridge constitutes a tubular guide of a carriage provided with collecting platforms for the materials, characterized essentially, because the tubular guide that comprises, comprises in the longitudinal direction two collateral projections, guides of the vertical carriage bearings, which are combined with; other inclined bearings with direct action on the tubular guide and because the jaws of the collector platforms act by means of a linkage system and levers driven by rods, advantageously arranged in a parallel arrangement inferior to the platforms and provided with a horizontal swinging motion, causing by hydraulic or pneumatic pistons. (Machine-translation by Google Translate, not legally binding)
Improvements in frontal sliding devices for the construction of underground hollow spaces (Machine-translation by Google Translate, not legally binding)