CONSTANT-FORCE SUSPENSION Russian patent published in 2012 - IPC F16L3/205 

FIELD: transport.

SUBSTANCE: proposed suspension comprises casing to house weight supporting part to make it mover vertically. Said weight supporting part is equipped with rotary elements interacting with levers that feature curvilinear surface and are arranged in pairs on both sides of weight supporting part. The latter with rotary elements is arranged between levers. Rotary elements rest on lever curvilinear working surface. Top ends of said levers are furnished with slots accommodating tie rods to move therein. Spring is fitted one of said tie rods between levers. Said spring interacts with levers by means of tie rods and pins interconnected by fasteners. Tie rods serve to adjust spring pre-contraction and spring axis height variation.

EFFECT: reduced weight and overall dimensions, simplified adjustment.

7 dwg