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Priority to ES95991UpriorityCriticalpatent/ES95991Y/en
Publication of ES95991UpublicationCriticalpatent/ES95991U/en
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Publication of ES95991YpublicationCriticalpatent/ES95991Y/en
A toy excavator shovel device, essentially characterized in that it comprises an eccentric crosspiece between two wheels facing and arranged on the interior walls of a car, acting as a crankshaft, one of the wheels being engaged to an extreme pinion of an axle that emerges to the outside constituting the control handle, comprising on the said crosspiece a set of two lattice beams, one upper and one lower, which are articulated by their heads on a carrier box of the excavator shovel and their tails are assembled on the crankshaft crosspiece, the lower one being mounted on it in free rotation, and the upper one in a tilting arrangement on said crosspiece thanks to some slots that cover it, which in cooperation with an intermediate axis of rotation arranged at the apex of the crosspiece. Slightly angular shape of this beam, provide the moments of elevation, descent and play of the excavated shovel ra (Machine-translation by Google Translate, not legally binding)
ES95991U1962-11-071962-11-07
Toy excavator shovel device
ExpiredES95991Y
(en)
Interferences between a coherent wave sigma' emitted by a laser and a wave sigma'' diffracted by a small object in the case of a strongly astigmatic beam(Interferences between coherent light background and light diffracted by small aperture in case of strongly astigmatic beam)
Aerodynamic excitation of structures by wind- A review of recent work at the NPL(Aerodynamic excitation of tall structures by ground wind using wind tunnel models)
Improvements in the construction of voltable support wheels in additionally assembled agricultural appearances (Machine-translation by Google Translate, not legally binding)