Patent ID: 9440664
Filing Date: 2016-09-13
CPC Classification: B61G

Claim Text:
1. A compact buffer having overload protection, comprising a connected to a coupling, a mount ( 1 ) connected to a vehicle body, and a rotating shaft ( 2 ) connecting the buffer to the mount ( 1 ); wherein the buffer comprises an elastic element ( 4 ), a buffer housing ( 3 ) accommodating the elastic element ( 4 ), and a protective cover ( 5 ) for bearing impact force located at the tail end of the buffer housing ( 3 ); the buffer housing and the protective cover ( 5 ) are connected by an overload protection device ( 6 ), wherein the overload protection device ( 6 ) connecting the buffer housing ( 3 ) and the protective cover ( 5 ) has a preset damage load, when a compression load is beyond the preset damage load, the overload protection device ( 6 ) will fail, and the connection between the protective cover ( 5 ) and the buffer housing ( 3 ) will be broken.