FLUID-TYPE SHOCK ABSORBER, PARTICULARLY FOR DOORS OF ELECTRICAL HOUSEHOLD APPLIANCES

摘要

A fluid-type shock absorber, particularly for doors of electrical household appliances, comprising a shock absorber body, in which a substantially cylindrical chamber is defined that accommodates coaxially a piston provided with a stem that protrudes from at least one axial end of the chamber, the piston divides the chamber into two parts, the piston is accommodated so that it can slide axially within the chamber, moreover at least one duct is provided for connecting the two parts of the chamber in order to allow the transit of a fluid from one part to the other of the chamber for the axial sliding of the piston with respect to the shock absorber body, the connecting duct is defined in the piston and has a calibrated portion thereof that is defined on a first end face of the piston, elements are provided for varying the passage section of the connecting duct available for the fluid.

主权项

1. A fluid-type shock absorber, particularly for doors of electrical household appliances such as ovens, dishwashers or the like or for furniture components such as cabinet doors or drawers, comprising a shock absorber body that has internally a substantially cylindrical chamber that accommodates coaxially a piston provided with a stem that protrudes from at least one axial end of the chamber; the piston dividing the chamber into two parts arranged on mutually opposite sides with respect to the piston along the axis of the chamber and containing a fluid; the piston being accommodated so that it can slide axially within the chamber; at least one duct being provided for connecting the two parts of the chamber in order to allow the transit of the fluid from one part to the other of the chamber for the axial sliding of the piston with respect to the shock absorber body, wherein the at least one connecting duct is defined in the piston and has a calibrated portion thereof that is defined on a first end face of the piston, means being provided for varying the passage section of the connecting duct available for the fluid; the means for varying the passage section of the connecting duct, depending on the direction of axial sliding of the piston in the chamber, being engageable or disengageable with the first end face of the piston in order to channel the transit of the fluid along the calibrated portion or in order to also allow the transit of the fluid outside the calibrated portion.