SIDEWALK SNOW-PLOUGH Russian patent published in 2013 - IPC E01H5/00 

FIELD: transport.

SUBSTANCE: proposed snow-plough mounted on wheeled chassis comprises sidewalk brush with shaft coupled via spring-loaded connector with one end of horizontal spiral spring. Second end of said spring is connected to rim secured in housing. Shaft is coupled with spring wind-up handle at top section. All structural elements are arranged in rectangular housing. Machine control handle is secured on one side of said housing while sidewalk brush extends beyond said housing. Note here that said connector consist of two washers spring-loaded from above and located perpendicular to axle to stay in contact with each other. Opposite surfaces of said washers have teeth shaped to, for example, right triangles with their height extends to washer center. Vertical sides of said triangles of one washer are pressed against sides of other washer triangles.

EFFECT: snow removal at smaller sites.

1 dwg