DRAFT APPARATUS Russian patent published in 2022 - IPC B61G11/08 F16F1/373 

FIELD: transport engineering.

SUBSTANCE: invention relates to the field of transport engineering. The draft gear comprises a housing (1) having an open end (s) with protrusions (2), a bottom (3) and walls (4, 5). The walls (5) are made with internal friction surfaces (f). In the body (1) along its longitudinal axis O1 there is a reciprocating device (6) made of resilient-elastic elements (10) interleaved with plates (9), on the side surfaces (12) of which and on the plates (9) are made on opposite sides of the sample. The friction assembly (8) is formed from two spacer wedges (13), contacting with its side with the internal friction surfaces (f) of the walls (5), and with its lower inclined side - with the support plate (7) and with its upper inclined side - with the pressure wedge (14). Protrusions are made in the central part of the surfaces of the plates (9). The outer contour of the side surfaces (12) of the resilient-elastic elements (10) is close to the outer contour of the side surfaces of the plates (9), which ensure centering due to contact with the walls (4, 5) of the housing (1).

EFFECT: simplification of the design and increase in the energy intensity of the draft gear.

10 cl, 6 dwg