| 摘要 |
The invention concerns a lever with automatic blocking for disengaging the brake motors and permitting the manual manoeuvring of the devices driven by the latter, in particular for the roller blinds, shop grilles, etc., comprising a base 2 made of sheet metal of 3 mm thickness supporting the mechanism consisting of an arm 8 of steel integral with a shaft 20 and a toothed wheel 6 itself soldered on the shaft and provided with a catch 7. A cap 1 of sheet metal covers the assembly. The disengagement of the brake motor is ensured by the sheathed cable 10 fixed on a lug 18 soldered on the arm 8 when the user pulls on the handle 9 in the direction (downwards) indicated by the arrow 11. The engagement position is obtained by pressing on the lever 5 which releases the block via the catch. <IMAGE>
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