Lubricating device for a plurality of lubricating stations

lubricating device for a plurality of lubricating stations, in particular for supplying lubricant to a plurality of lubricating stations in a knitting machine,

• having a pump device (7a) for pumping lubricant, the pump device having a piston (21) supported axially displaceably in a cylinder (8), and
• having a distributor device (7b), by which the lubricant pumped by the piston (21) is to be distributed to one or more lines (5) of a group (4) of lines (5) leading away from the distributor device (7b), characterized in that
• the distributor device (7b) is part of the pump device (7a),
• the pump device (7a) and the distributor device (7b) are connected to a drive device (33), and the drive device (33) includes a rotator device (55) and a displacement device (44), with the piston (21) connected to both the displacement device (44) and the rotator device (55),
• the displacement device (44) is actuated by the rotator device (55), and
• the displacement device (44) is formed by a gear, which converts a relative rotation between the piston (21) and the rotator device (55) into a linear motion of the piston (21).

A lubricating device for a plurality of lubricating stations in a machine, comprising:

• a combined pump and distributor unit including a piston supported to be axially displaceable and rotatable in a cylinder, said piston having a control groove adapted to eject the lubricant therethrough toward the lubricating stations due to axial displacement of the piston within the cylinder, a wall of said cylinder having a plurality of radial openings with which said control groove is sequentially alignable as said piston is rotated within the cylinder;
• pump drive means for axially displacing said piston within said cylinder to eject lubricant through said control groove;
• and
• distributor drive means for rotating said piston within said cylinder into sequential alignment with said openings in the cylinder wall;
• wherein said pump drive means and said distributor drive means are operable independently of each other to controllably produce axial displacement of said piston without rotation thereof, or rotation of the piston without axial displacement thereof, or both axial displacement and rotation of said piston with respect to one of said openings with which said control groove is brought into alignment.