retractile or retractable thruster uses a trapezoidal deforming device which generates a rotational rectilinear motion inside a well.

摘要

The invention has for its object a retractable PROPELLER HIRING A DEVICE KEYSTONE GIRO Deformans RECTILINEAR GENERATING A MOVEMENT INSIDE A WELL. PROPELLER is retractable and is formed by a bell (1), fastened tightly, ON PLANS MEETING ON WELL (2) FORMING PART OF THE STRUCTURE (3) engine. INSIDE said hood (1) ROLLED BACK TWO ARMS (4) and (5) PIVOT unsymmetrical A MOTOR SUPPORT (10), a clamp (17) and a set HELICOIDAL. ONE PART TWO ARMS (4) and (5) are articulated SHAFT (6) and (7) on the hood (1) and, second, EN (8) and (9) on the bracket (17 ) SOLIDARITY WITH THE SUPPORT OF PROPULSION (10). FOR MANUAL ACTION OR MECHANICS (X) or (Y) exerted on the lever (12) SOLIDARITY WITH ARM (4) by the shaft (6), said arm (4) rotationally offset ARM TRIANGULATION (5 ), ORDERED THE KEYSTONE deformation OBTAINING A MOVEMENT RECTILINEAR along the axis (A, Z) of the support (10) at its center (11).