A lubricating device

F - Mech Eng,Light,Heat,Weapons – 16 – N

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Details

F16N 11/04 (2006.01)

Patent

CA 2403018

A self-contained automatic lubricator (1) for automatically dispensing fluent lubricant over a period of time, comprising cylinder means (2) having front wall means (15) with a discharge outlet (4), rear wall means (3) and cylindrical side walls, piston means (18) movable within the cylinder means (2) from a rear position to a forward position, the piston means (18) and the side and front wall means of the cylinder means defining a variable volume chamber (5a) for containing the lubricant to be dispensed, and spring means (6, 22) for moving the piston means(18) from its rear position towards its front position to reduce the volume of the variable volume chamber (5a) overa period of time for expelling lubricant through the discharge outlet (4). The lubricator (1) further comprises control means (5, 7, 12, 13), including gearing and an escapement mechanism (12), for controlling the transfer of energy from the spring means (6, 22) to the piston means (18) and electrical means (16) for controlling operation of the escapement mechanism (12).

Cette invention concerne un dispositif de lubrification automatique (1) complet conçu pour débiter une lubrifiant liquide pendant un certain temps. Ce dispositif de graissage comprend les éléments suivants : ensemble cylindrique (2) comportant une paroi avant (2) avec un orifice de décharge (4), une paroi arrière (3) et une paroi latérale cylindrique ; piston (18) qui se déplace dans l'ensemble cylindrique (2) entre une position arrière et une position avant, le piston (18) et les parois latérale et avant de l'ensemble cylindrique définissant une chambre à volume variable rempli de lubrifiant ; et dispositif à ressort (6, 22) qui fait passer le piston(18) de sa position arrière à sa position avant et réduit le volume de la chambre variable (5a) pendant le laps de temps nécessaire pour expulser le lubrifiant via l'orifice de décharge (4). De plus, le graisseur (1) est assorti d'un dispositif de commande (5, 7, 12, 13) avec engrenage et un mécanisme d'échappement (12) qui dose le transfert d'énergie du dispositif à ressort (6, 22) au piston (18), et d'un dispositif électrique (16) qui commande le fonctionnement du mécanisme d'échappement (12).

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