Abstract: A device for lubricating a step-up/down mechanical assembly with a lubricating fluid has a collection reservoir, a circuit for distributing lubricating fluid, and a device for creating relative movement. The collection reservoir collects the lubricating fluid from the step-up/down mechanical assembly and is fixed to a structure of the step-up/down mechanical assembly. The circuit for distributing lubricating fluid has a scoop with a first end that enters the collection reservoir and rotates with respect to the structure. The relative movement device provides a relative movement between the first end of the scoop and the collection reservoir such that the scoop rotates about an axis of rotation relative to the structure. As a result of this movement, the lubricating fluid in the collection reservoir flows through the distribution circuit and is conveyed to an element of the step-up/down assembly that is to be lubricated.

Abstract: The present invention relates to a device for lubricating a step-up/down mechanical assembly (2), particularly a transmission gearbox, which comprises a reservoir (5A) of lubricating fluid (H) and a distribution circuit (8) capable of supplying lubricating fluid (H) from said reservoir (5A) to at least one element (11) of said assembly (2) that is to be lubricated.

Abstract: The present invention relates to a device for lubricating a step-up/down mechanical assembly (2), particularly a transmission gearbox, which comprises a reservoir (5A) of lubricating fluid (H) and a distribution circuit (8) capable of supplying lubricating fluid (H) from said reservoir (5A) to at least one element (11) of said assembly (2) that is to be lubricated. According to the invention, the distribution circuit (8) comprises at least one scoop (9), one end (9A) of which enters the reservoir (5A), the lubricating device (1A) comprises means (10A) for creating a relative movement between said end (9A) of the scoop (9) and the reservoir (5A), and said relative movement causes a dynamic effect in the lubricating fluid (H) such that it causes lubricating fluid (H) to enter the scoop (9) and causes it to flow through the distribution circuit (8).