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Individual
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Individual
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Priority to ES108434UpriorityCriticalpatent/ES108434Y/en
Publication of ES108434UpublicationCriticalpatent/ES108434U/en
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Publication of ES108434YpublicationCriticalpatent/ES108434Y/en
A mechanical elevator characterized by consisting of the assembly of a rotating stud on its axis and provided with two reverse turning threads which have their ends mounted on the corresponding ends of the hollow enclosing piece whose stud is freely actuable from the outside and it has its fillets in correspondence with two internally threaded slide pieces which are articulated to the upper end of both arms of a joint composed of two and in its case three arms in such a way that one of its arms is constituted in a lifting lever which at its lower extremity, it has a rigid and, where appropriate, a support piece suitable for insertion and support on the ground and, where appropriate, for rest and strength on the ground. (Machine-translation by Google Translate, not legally binding)
ES108434U1964-09-191964-09-19
A MECHANICAL ELEVATOR.
ExpiredES108434Y
(en)