FRICTIONAL SHOCK ABSORBER Russian patent published in 2021 - IPC B61G11/14 F16F7/08 

FIELD: transport engineering.

SUBSTANCE: frictional shock absorber comprises a body (1) formed in the direction of the longitudinal axis (O1) by the walls (2) and by the bottom (3). A pressure wedge (4) and spacer wedges (5), wherein a return and retaining apparatus (6) is located between said wedges and the bottom (3), are located in the body (1), in contact with each other along the surfaces (n1, n2) inclined to the longitudinal axis (O1). The spacer wedges (5) are located with the friction surfaces (f) thereof in contact with the guiding elements (N) of the frictional shock absorber. Near the geometric center of the spacer wedges (5), the inclined surfaces (n2) thereof are made with protrusions towards the pressure wedge (4). The inclined surfaces (n1) of the pressure wedge (4) in contact with the inclined surfaces (n2) of the spacer wedges (5) are made with concavities.

EFFECT: increased reliability of the frictional shock absorber is achieved.

9 cl, 10 dwg