| 摘要 |
FIELD: machine building. ^ SUBSTANCE: device is deigned to force grease to friction surfaces of assembly units and parts in operation of various machines and mechanisms. The greaser incorporates a casing with a plunger and check valves, a cylinder with a cover and a piston, the plunger being made up of two stages, the casing being furnished with two check valves and one of the flexible hoses being designed to force air into or suck it off from the cylinder. ^ EFFECT: higher efficiency and ease of operation. ^ 2 dwg |
